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Journal articles on the topic 'LTE (Long Time Evolution)'

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Published: 4 June 2025

Last updated: 1 August 2025

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1

Huda, Adibah Mohd Ramli, Liza Asnawi Ani, Nadia Mohd Isa Farah, Wong Azman Amelia, and 'Ismat Hafizi Mansor Mohamad. "Investigations of Component Carrier Selection Algorithms in Long Term Evolution-Advanced." Indonesian Journal of Electrical Engineering and Computer Science 10, no. 1 (2018): 330–36. https://doi.org/10.11591/ijeecs.v10.i1.pp330-336.

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Given that the demand for real-time multimedia contents that require significantly high data rate are getting of high popularity, a new mobile cellular technology known as Long term Evolution-Advanced (LTE-A) was standardized. The LTE-A is envisaged to support high peak data rate by aggregating more than one Component Carriers (CCs) of the same or different frequency bandwidths. Since the inter-band non-contiguous carrier aggregation is likely to be used due to the current frequency allocation, this paper provides a performance study of a number of CC selection algorithms for use in the inter-

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2

Fatima, Faydhe Al-Azzawi, Abbas Abid Faeza, and Kamil Naji Maham. "Radio frequency receiver of long-term evolution system design by MATLAB Simulink." TELKOMNIKA (Telecommunication, Computing, Electronics and Control) 20, no. 2 (2022): 244–51. https://doi.org/10.12928/telkomnika.v20i2.20936.

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For wireless broadband communication long-term evolution (LTE) is a standard for also mobile devices and data terminals, by using different radio interface together with core network improvements LTE increases the capacity and speed of mobile network. In this paper radio frequency receiver of radio-frequency long-term evolution (RF-LTE) is design and simulated using MATLAB Simulink, where the design based on illustrating parameters of each stage in LTE RF receiver from generating LTE waveform to error vector magnitude (EVM) measurements, where simulation results with 8 MHz bandwidth the transm

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3

Mansor, Mohamad ‘Ismat Hafizi, Huda Adibah Mohd Ramli, Ani Liza Asnawi, and Farah Nadia Mohd Isa. "Simulation of Packet Scheduling in Cognitive Long Term Evolution-Advanced." Indonesian Journal of Electrical Engineering and Computer Science 8, no. 2 (2017): 533. http://dx.doi.org/10.11591/ijeecs.v8.i2.pp533-540.

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<p>Real Time (RT) and Non-Real Time (NRT) multimedia content demand on mobile devices are increasing at a high pace. Long Term Evolution-Advanced (LTE-A) is expected to cater these demands. However, LTE-A operates at fixed spectrum which leads to spectrum scarcity. Cognitive Radio (CR) is one the promising technologies that is used to overcome spectrum scarcity and implementation of CR into LTE-A will improve spectrum availability and efficiency of the network. Furthermore, with addition of Packet Scheduling (PS) in the cognitive LTE-A, QoS requirement of the mobile users can be guarante

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4

Adibah Mohd Ramli, Huda, Ani Liza Asnawi, Farah Nadia Mohd Isa, Amelia Wong Azman, and Mohamad ‘Ismat Hafizi Mansor. "Investigations of Component Carrier Selection Algorithms in Long Term Evolution-Advanced." Indonesian Journal of Electrical Engineering and Computer Science 10, no. 1 (2018): 330. http://dx.doi.org/10.11591/ijeecs.v10.i1.pp330-336.

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<p>Given that the demand for real-time multimedia contents that require significantly high data rate are getting of high popularity, a new mobile cellular technology known as Long term Evolution-Advanced (LTE-A) was standardized. The LTE-A is envisaged to support high peak data rate by aggregating more than one Component Carriers (CCs) of the same or different frequency bandwidths. Since the inter-band non-contiguous carrier aggregation is likely to be used due to the current frequency allocation, this paper provides a performance study of a number of CC selection algorithms for use in t

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5

Ji, Byoungsuk, and Ellen J. Hong. "Deep-Learning-Based Real-Time Road Traffic Prediction Using Long-Term Evolution Access Data." Sensors 19, no. 23 (2019): 5327. http://dx.doi.org/10.3390/s19235327.

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In this paper, we propose a method for deep-learning-based real-time road traffic predictions using long-term evolution (LTE) access data. The proposed system generates a road traffic speed learning model based on road speed data and historical LTE data collected from a plurality of base stations located within a predetermined radius from the road. Real-time LTE data were the input for the generated learning model in order to predict the real-time speed of traffic. Since the system was developed using a time-series-based road traffic speed learning model based on LTE data from the past, it is

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6

Yahaya, Mahmud Muhammad, Yusuf Surajo, and Aminu Haruna Rawayau. "AN ENHANCED RESOURCE ALLOCATION SCHEME FOR LONG TERM EVOLUTION ADVANCED NETWORK." FUDMA JOURNAL OF SCIENCES 7, no. 3 (2023): 7–12. http://dx.doi.org/10.33003/fjs-2023-0703-1766.

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The emerging Long-Term Evolution Advanced (LTE-A) is an extended version of Long-Term Evolution (LTE) fourth-generation (4G) wireless broadband technologies that supports high speed transmission of multimedia applications, like video streaming, multimedia online game, Voice over IP (VoIP), browsing over the web etc. The Third Generation Partnership Project (3GPP) does not define a standard packet scheduling strategy in LTE-A. Therefore, it is expected for researchers and network service providers to design efficient schemes. This paper proposed an Enhanced Resource Allocation Scheme (E-RAS) th

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7

Mohd Ramli, Huda Adibah, and Mohamad 'Ismat Hafizi Mansor. "AN ENHANCED PACKET SCHEDULING ALGORITHM FOR THE DOWNLINK COGNITIVE LONG TERM EVOLUTION-ADVANCED." IIUM Engineering Journal 21, no. 1 (2020): 51–60. http://dx.doi.org/10.31436/iiumej.v21i1.1178.

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A packet scheduling algorithm known as Enhanced Maximum-Largest Weighted Delay First (EM-LWDF) is proposed in this paper. It aims to maximize the number of Real Time (RT) and Non Real Time (NRT) users that meet their desired Quality of Service (QoS) in the cognitive Long Term Evolution-Advanced (LTE-A). This cognitive LTE-A allows its Component Carriers (CCs) to be combined with licensed CCs from another system. This enables the LTE-A to further expand the available bandwidth for packet transmission. The EM-LWDF algorithm decides the priority of each user on the basis of the desired QoS of eac

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8

J., I. A.Y. Yaqoob, L. Pang W., K. Wong S., and Y. Chan K. "Enhanced exponential rule scheduling algorithm for real-time traffic in LTE network." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 2 (2020): 1993–2002. https://doi.org/10.11591/ijece.v10i2.pp1993-2002.

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Nowadays, mobile communication is growing rapidly and become an everyday commodity. The vast deployment of real-time services in Long Term Evolution (LTE) network demands for the scheduling techniques that support the Quality of Service (QoS) requirements. LTE is designed and implemented to fulfill the users’ QoS. However, 3GPP does not define the specific scheduling technique for resource distribution which leads to vast research and development of the scheduling techniques. In this context, a review of the recent scheduling algorithm is reported in the literature. These schedulers in t

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9

Shin, Beomju, Jung Ho Lee, Changsu Yu, Chulki Kim, and Taikjin Lee. "Underground Parking Lot Navigation System Using Long-Term Evolution Signal." Sensors 21, no. 5 (2021): 1725. http://dx.doi.org/10.3390/s21051725.

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Some of the shopping malls, airports, hospitals, etc. have underground parking lots where hundreds of vehicles can be parked. However, first-time visitors find it difficult to determine their current location and need to keep moving the vehicle to find an empty parking space. Moreover, they need to remember the parked location, and find a nearby staircase or elevator to move toward the destination. In such a situation, if the user location can be estimated, a new navigation system can be offered, which can assist users. This study presents an underground parking lot navigation system using lon

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10

Mohamed, Njikam, S. Nanna, S. Shahrin, and Fairuz Iskandar Othman Mohd. "High speed internet development in Africa using 4G-LTE technology-a review." Bulletin of Electrical Engineering and Informatics 8, no. 2 (2019): 577–85. https://doi.org/10.11591/eei.v8i2.684.

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The African continent is ranked second most populated region and has a huge amount of natural resources to be locally transformed or outsourced overseas. The traditional telecommunications system has helped connect people and enabled them to manage their businesses and trading in Africa for a long-time; many African countries have embarked early in changing their network and technology systems during the first years of the information age. Over a few decades ago, the introduction of new telecommunication methods and techniques have influenced much of African countries" growth via different per

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11

Guo, Li Qiang, and Xiao Wen Li. "Realization of Primitive Trace in TD-LTE RF Conformance Testing Instrument." Applied Mechanics and Materials 513-517 (February 2014): 893–96. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.893.

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In order to satisfy the requirement of reliability in the TD-LTE RF Conformance Testing Instrument, a method to achieve the trace of primitive of TD-LTE based on embedded system is imposed. According to the feature of the long term evolution (LTE) system, it highlights the details of primitive tracing through DMA and UART. The primitive is strongly real-time to achieve QoS in LTE. Verified multiple times this design achieves the primitive trace in LTE as well as meets the requirement of hardware platform in TD-LTE RF Conformance Testing Instrument.

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12

Tata, Chafika, Nassima Fellag, and Michel Kadoch. "New Courteous Algorithm for Uplink Scheduling in LTE-Advanced and 5G Networks." Journal of Computer Networks and Communications 2020 (January 23, 2020): 1–15. http://dx.doi.org/10.1155/2020/4189789.

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The fast evolution of the number of wireless users and the emergence of new multimedia services have motivated third-generation partnership project (3GPP) to develop new radio access technologies. Thus, the carrier aggregation (CA) was introduced from version 10 long-term evolution (LTE), known as long-term evolution-advanced (LTE-A), to meet the increasing demands in terms of throughput and bandwidth and to ensure the Quality of Service (QoS) for different classes of bearers in LTE networks. However, such solution stills inefficient until implementing good resources management scheme. Several

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13

Nwawelu, UN, CI Ani, and MA Ahaneku. "COMPARATIVE ANALYSIS OF THE PERFORMANCE OF RESOURCE ALLOCATION ALGORITHMS IN LONG TERM EVOLUTION NETWORKS." Nigerian Journal of Technology 36, no. 1 (2016): 163–71. http://dx.doi.org/10.4314/njt.v36i1.21.

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The growth in the good number of real-time and non-real-time applications has sparked a renewed interest in exploring resource allocation schemes that can be efficient and fair to all the applications in overloaded scenarios. In this paper, the performance of six scheduling algorithms for Long Term Evolution (LTE) downlink networks were analyzed and compared. These algorithms are Proportional Fair (PF), Exponential/Proportional Fair (EXP/PF), Maximum Largest Weighted Delay First (MLWDF), Frame Level Scheduler (FLS), Exponential (EXP) rule and Logarithmic (LOG) rule. The performances of these a

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14

Aws, Majeed Al_Awadi, and Jawad Al_Dujaili Mohammed. "Simulation of LTE-TDD in the HAPS channel." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 3 (2020): 3152–57. https://doi.org/10.11591/ijece.v10i3.pp3152-3157.

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LTE stands for Long Term Evolution. This technology enhances the data rate and capacity using a new radio interface and an optimized core network. This progress was done to satisfy standards defined for the fourth generation of cellular communications in ITU. LTE has two types of transmission: Frequency Division Duplex (FDD) and Time Division Duplex (TDD). Nowadays, LTE-TDD rapidly Grows and takes place of old fixed cellular communications, like WiMAX. Another upcoming technology in the communication industry is High Amplitude Platform Stations (HAPS). Studying the capability of HAPS as a base

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15

Ahmed, Falah Y. H., Amal Abulgasim Masli, Bashar Khassawneh, Jabar H. Yousif, and Dilovan Asaad Zebari. "Optimized Downlink Scheduling over LTE Network Based on Artificial Neural Network." Computers 12, no. 9 (2023): 179. http://dx.doi.org/10.3390/computers12090179.

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Long-Term Evolution (LTE) technology is utilized efficiently for wireless broadband communication for mobile devices. It provides flexible bandwidth and frequency with high speed and peak data rates. Optimizing resource allocation is vital for improving the performance of the Long-Term Evolution (LTE) system and meeting the user’s quality of service (QoS) needs. The resource distribution in video streaming affects the LTE network performance, reducing network fairness and causing increased delay and lower data throughput. This study proposes a novel approach utilizing an artificial neural netw

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16

Rangankar, Suresh B., and Nitiket Mhala. "Performing Analysis of Quality of Service Parameters of 4G Long Term Evolution in Health Care System." Journal of Computational and Theoretical Nanoscience 16, no. 12 (2019): 5008–13. http://dx.doi.org/10.1166/jctn.2019.8556.

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Long Term Evolution (LTE) is a leading 4G wireless broadband technology developed by the Third Generation Partnership Project (3GPP) Release 8. LTE is expected to provide very fast, highly responsive and cost effective data services and appears itself to be the right technology at the right time. LTE is becoming an ultimate choice for 4G services around the world due to its higher data rates and lower latency objectives. E-Health services comprise a wide range of healthcare services delivered by utilizing information and communication technology. In order to help existing and emerging e-Health

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17

Mehdiyeva, Almaz. "IMPROVEMENT OF CALL SETUP TIME DURING CIRCUIT SWITCHED FALLBACK." Procedings of Azerbaijan High Technical Educational Institutions 124, no. 02 (2020): 81–84. http://dx.doi.org/10.36962/pahtei12402202081.

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In handover procedure, target cell would be prepared and UE will move on target cell based on the configuration sent by source eNodeB to User Equipment. Cell Reselection happens only when the user equipment (or Mobile Phone) is in Idle MODE, and the User Equipment needs to go a more appropriate cell. The main feature of CSFB Ps handover does not interrupt data transfer when switching from Long Term Evolution to UTRAN/GSM. After switching to 3G is already in connected mode it does not waste time to switch to connected mode. This feature let us improve call setup time when we make call in LTE.

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18

Zhu, Hai, Dan Wang, and Peng Sun. "A Scheme of Downlink HARQ Scheduling in TDD LTE-A." International Journal of Information and Communication Sciences 1, no. 3 (2016): 43–46. http://dx.doi.org/10.11648/j.ijics.20160103.12.

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In order to provide a higher peak data rate, carrier aggregation (CA) is implemented into Long Term Evolution Advanced (LTE-A) systems. However, more and more downlink hybrid automatic repeat request (HARQ) feedback information need to be transmitted. Especially, in time division duplexing (TDD) systems must comply with the updownconfig, the complexity and storage of HARQ scheduling increase largely under CA. In this paper, a HARQ scheduling scheme is proposed which is based on dynamic information tables to generate and schedule the downlink feedback information of acknowledgment/negative ackn

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19

Liu, Yu, and Ji Ke Gao. "Research and Test on Token Bucket Algorithm in LTE System." Applied Mechanics and Materials 543-547 (March 2014): 2063–66. http://dx.doi.org/10.4028/www.scientific.net/amm.543-547.2063.

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Token bucket algorithm is a common algorithm used for traffic shaping and rate limiting. In LTE (Long Term Evolution) system, RRC (Radio Resource Control) layer configures priority, PBR (prioritisedBitRate), and BSD (bucketSizeDuration) for every logical channel so that lower priority channel can also get resource and bursting data can be sent in a short time. This paper firstly introduces application of token bucket algorithm in LTE system. And the test procedure is designed to test the algorithm. Test result shows that the algorithm is used in LTE system successfully. The algorithm has been

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20

Li, Xiao Wen, and Fang Liu. "Study and Realization of SNOW 3G in LTE System." Advanced Materials Research 756-759 (September 2013): 841–45. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.841.

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In the wireless access technology system, reliable and efficient security algorithm is an important guarantee which realizes the high-speed data transmission of LTE (Long Time evolution). The SNOW 3G was used in LTE for its own advantages for security algorithms. This paper describes the procedure of security. Focus on the principle of confidentiality and integrity algorithms of SNOW 3G , then analyses the performance and gets the test result of this algorithms at last.

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Shindou, Hassnaa, Yassine El Hasnaoui, and Srifi Mohamed nabil. "Deep learning-based cellular traffic prediction for 4G long-term evolution networks using three models." Bulletin of Electrical Engineering and Informatics 14, no. 3 (2025): 1820–29. https://doi.org/10.11591/eei.v14i3.9221.

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Wireless networks can be seen as the essential element of contemporary communication systems, connecting, in one way or another, billions of people and technologies all over the world. As a result, there is more of requirement from the area of application for models, which should be able to help in the analysis of the time series of mobile traffic to enhance the quality of service (QoS) in the present networks as well as in the future ones. The primary objective of this article is to develop effective artificial intelligence (AI) models for traffic load prediction in cellular networks. To achi

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Zhang, De Ming, Sheng Yao, and Xiao Wen Li. "Research and Implementation of Uplink Synchronization in TD-LTE." Advanced Materials Research 756-759 (September 2013): 846–50. http://dx.doi.org/10.4028/www.scientific.net/amr.756-759.846.

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To make sure a good communication between the terminal and the base station, synchronization is needed between them. The Uplink Time Alignment has been provided in the long term evolution system (TD-LTE), by which uplink synchronization can be maintained in terminals. In this letter, the concrete implementation of the Uplink Time Alignment in MAC sub-layer of terminals and independently adjustment of uplink timing were designed with research of the Uplink Time Alignment and detailed analysis of the specific applications of Timing Advance Command in the terminal. The proposed implementation can

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23

Sun, Cui Zhen, and Zhao Hua Zeng. "Research on Uplink Channel Estimation Method in TD-LTE System." Applied Mechanics and Materials 135-136 (October 2011): 847–51. http://dx.doi.org/10.4028/www.scientific.net/amm.135-136.847.

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LTE is a long term evolution scheme of 3GPP, as a using extensively communication standards, it has higher data rate and higher quality. Channel estimation plays a quite important role in the LTE system which requires the high data rate and quality. In the article, based on the analysis of the LS and MMSE algorithms of the LTE system, a advised algorithm is adopted. The pilot signal is processed before the channel estimation by reducing noise in time domain. The simulation results demonstrate that the advised algorithm is a preferable choice in estimation performance, simultaneously; the advis

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Luo, Hongyan, Tao Qian, Xiangxian Zhu, Huiyin Wang, and Jinwen Yang. "Establishment and optimization of packet transport network core bearer network oriented to long-term evolution business." Modern Physics Letters B 32, no. 34n36 (2018): 1740106. http://dx.doi.org/10.1142/s0217984918401061.

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The modern telecommunication has come into the Long-Term Evolution (LTE) era. The whole transmission network gradually has evolved to the IP network. The overall network organization is likewise becoming more and more similar to the metropolitan data network. A mobile Packet Transport Network (PTN) transmission network construction is investigated. The specific bearing requirements of time division long-term evolution (TD-LTE) are analyzed. The topology structures of L3 and L2/L3 and the equipment applications in different network levels of the PTN network are discussed. The existing problems

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Zhu, Qin, and Xiao Wen Li. "Modified Iterative Sphere Decoding Algorithm in LTE System." Advanced Materials Research 765-767 (September 2013): 611–14. http://dx.doi.org/10.4028/www.scientific.net/amr.765-767.611.

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In the long-term evolution (LTE) system, channel equalization makes compensation to restore the original signal, the paper puts forward iteration sphere decoding algorithm which combines traditional sphere decoding and the improved QR based on the conventional QR decomposition detection algorithm. It can effectively reduce the system complexity. At the same time, in QPSK and 16QAM, the simulation results show that the improved QR iterative sphere decoding algorithm performance is better with higher SNR in AWGN channel.

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26

Chen, Fa Tang, Li Qiang Guo, and Peng Rui Wang. "Enhance of Synchronization of Communication in TD-LTE RF Conformance Testing Instrument by GPMC." Advanced Materials Research 791-793 (September 2013): 1982–86. http://dx.doi.org/10.4028/www.scientific.net/amr.791-793.1982.

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In order to satisfy the requirement of reliability in the TD-LTE RF Conformance Testing Instrument, a method to achieve the synchronization of protocol and physical layer based on embedded system is imposed. According to the feature of the long term evolution (LTE) system, it highlights the details to enhance the synchronization between various aspects in the LTE system through General-Purpose Memory Controller (GPMC) from ARM. GPMC is a memory controller that helps achieve the primitive interaction between the protocol and physical layer and the application. What is more important is that GPM

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27

Li, Qiang, and Xi Jin. "Study and Application of Data Stub in TD-LTE." Applied Mechanics and Materials 427-429 (September 2013): 2672–78. http://dx.doi.org/10.4028/www.scientific.net/amm.427-429.2672.

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LTE (long term evolution) and its advanced technology have become a research focus of worldwide mobile communication development. This paper mainly proposes a method of data stub which can be used to speed up the development of TD-LTE equipment. Through analysing and implementing the complete TD-LTE access procedure, we find it is feasible that the development, debugging and verifying protocol signaling procedures are carried out by data stub in parallel. That can accelerate the project development schedule and promote the combination of software and hardware as early as possible. In the proce

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28

A. Y. Yaqoob, J. I., W. L. Pang, S. K. Wong, and K. Y. Chan. "Enhanced exponential rule scheduling algorithm for real-time traffic in LTE network." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 2 (2020): 1993. http://dx.doi.org/10.11591/ijece.v10i2.pp1993-2002.

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Nowadays, mobile communication is growing rapidly and become an everyday commodity. The vast deployment of real-time services in Long Term Evolution (LTE) network demands for the scheduling techniques that support the Quality of Service (QoS) requirements. LTE is designed and implemented to fulfill the users’ QoS. However, 3GPP does not define the specific scheduling technique for resource distribution which leads to vast research and development of the scheduling techniques. In this context, a review of the recent scheduling algorithm is reported in the literature. These schedulers in the lit

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29

Woo Jwa, Jeong, and Joong Hie Won. "Network Quality Measurements of LTE Drones." International Journal of Engineering & Technology 7, no. 3.33 (2018): 54. http://dx.doi.org/10.14419/ijet.v7i3.33.18523.

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Cellular-connected drones can provide beyond line-of sight control (BVLOS), low latency, real time communication, robust security, and wide range coverage. Cellular-connected drones have several key potential applications in enhanced LTE and 5G networks. The objective of the study is to evaluate field measurement data collected during drone flights in the KT Long-Term Evolution (LTE) networks in Seoul and Jeju, Korea. The multicopter drones are developed with LTE modem and LTE test smart phone for field measurements. The radio network quality between drones and LTE base transceiver stations (B

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Wang, Dan, Wen Wen Xu, and Jia Luo. "An Improved Physical Downlink Control Channel De-Resource Mapping Method in Long Term Evolution Systems." Applied Mechanics and Materials 513-517 (February 2014): 3577–80. http://dx.doi.org/10.4028/www.scientific.net/amm.513-517.3577.

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In TD-LTE (Time Division-Long Term Evolution) system, Resource Element Group (REG) is the unit of de-resource mapping for Physical Downlink Control Channel (PDCCH), due to the reference signal should be considered, which lead to the large calculation. To solve this problem, a modified method is proposed in this paper to reduce the cycles of de-resource mapping. Calculation and simulation reveal that this scheme can reduce the calculation significantly. At the same time, the feasibility and effectiveness of this modified method have been verified.

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Muñoz, Pablo, Isabel de la Bandera, Fernando Ruiz, et al. "Computationally-Efficient Design of a Dynamic System-Level LTE Simulator." International Journal of Electronics and Telecommunications 57, no. 3 (2011): 347–58. http://dx.doi.org/10.2478/v10177-011-0047-2.

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Computationally-Efficient Design of a Dynamic System-Level LTE SimulatorThe Long-Term Evolution (LTE) is the next generation of current mobile telecommunication networks. LTE has a new flat radio-network architecture and a significant increase in spectrum efficiency. In this paper, a computationally-efficient tool for dynamic system-level LTE simulations is proposed. A physical layer abstraction is performed to predict link-layer performance with a low computational cost. At link layer, there are two important functions designed to increase the network capacity: Link Adaptation and Dynamic Sch

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32

Abdulrahman, Kh. Alhafid, and Younis Sedki. "OBSERVED TIME DIFFERENCE OF ARRIVAL BASED POSITION ESTIMATION FOR LTE SYSTEMS: SIMULATION FRAMEWORK AND PERFORMANCE EVALUATION." Eastern-European Journal of Enterprise Technologies 3, no. 9 (105) (2020): 20–28. https://doi.org/10.15587/1729-4061.2020.201382.

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Precise user equipment (UE) location is paramount for the reliable operation of location-based services provided by mobile network operators and other emerging applications. In this paper, the Long Term Evolution (LTE) network positioning performance based on mobile assist Observed Time Difference of Arrival (OTDoA) method is considered. The received signal time difference (RSTD) measurements are estimated by the UE using dedicated position reference signal (PRS) transmitted in the downlink frame where the reported time measurements are used by the network for location calculation. A simulatio

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Al-awadi, Aws Majeed, and Mohammed Jawad Al-dujaili. "Simulation of LTE-TDD in the HAPS channel." International Journal of Electrical and Computer Engineering (IJECE) 10, no. 3 (2020): 3152. http://dx.doi.org/10.11591/ijece.v10i3.pp3152-3157.

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LTE stands for Long Term Evolution. This technology enhances the data rate and capacity using a new radio interface and an optimized core network. This progress was done to satisfy standards defined for the fourth generation of cellular communications in ITU. LTE has two types of transmission: Frequency Division Duplex (FDD) and Time Division Duplex (TDD). Nowadays, LTE-TDD rapidly Grows and takes place of old fixed cellular communications, like WiMAX. Another upcoming technology in the communication industry is High Amplitude Platform Stations (HAPS). Studying the capability of HAPS as a base

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34

Y., J. I. A. Yaqoob, L. Pang W., K. Wong S., and Y. Chan K. "Performance evaluation of video streaming on LTE with coexistence of Wi-Fi signal." Bulletin of Electrical Engineering and Informatics 8, no. 3 (2019): 890–97. https://doi.org/10.11591/eei.v8i3.1580.

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The continuous growth in mobile data traffic and limited license wireless spectrum have led to dramatically increase the demand of the radio spectrum. It is widespread the concern about the coexistence of long term evolution (LTE) and Wi-Fi in the unlicensed band. There are several techniques have been proposed to enable the coexistence of LTE and Wi-Fi in the unlicensed band, but these works are targeted on the impact of the LTE to the Wi-Fi network performance. An experiment is carried out in this work to evaluate the impact of Wi-Fi signal on the video streaming in the LTE network. The expe

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Arfianto, Muhammad Dimas, Ridha Muldina Negara, and Indrarini Dyah Irawati. "Analisa Performansi Algoritma Penjadwalan Proportional Fairness Dan Log Rule Dengan Skenario Multicell Pada Sistem 3GPP LTE." JURNAL INFOTEL - Informatika Telekomunikasi Elektronika 8, no. 1 (2016): 24. http://dx.doi.org/10.20895/infotel.v8i1.48.

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Teknologi Long Term Evolution (LTE) dikembangkan dengan tujuan untuk mengurangi biaya yang dikeluarkan oleh pengguna maupun operator jasa telekomunikasi, memperluas daerah jangkauan, menambah kapasitas sistem, dan mengurangi delay. Dengan spesifikasi yang tinggi, LTE diharapkan mampu memberikan kemudahan pelanggan dalam mengakses layanan Voice over IP, Streaming, dan Video Conference. LTE diharapkan mampu memberikan layanan dengan besar throughput yang tinggi dan delay yang rendah. Padahal tidak semua user membutuhkan throughput yang sama besar namun yang dibutuhkan adalah kesesuaian pengendal

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Masli, Amal Abulgasim, Falah Y. H. Ahmed, and Ali Mohamed Mansoor. "QoS-Aware Scheduling Algorithm Enabling Video Services in LTE Networks." Computers 11, no. 5 (2022): 77. http://dx.doi.org/10.3390/computers11050077.

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The Long-Term Evolution (LTE) system was a result of the 3rd-Generation Partnership Project (3GPP) to assure Quality-of-Service (QoS) performance pertaining to non-real-time and real-time services. An effective design with regards to resource allocation scheduling involves core challenges to realising a satisfactory service in an LTE system, particularly with the growing demand for network applications. The continuous rise in terms of the number of network users has resulted in impacts on the performance of networks, which also creates resource allocation issues when performing downlink schedu

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Jia, Huiqiang, Kebin Jia, Xiuchen Tian, and Daoquan Xiong. "A novel Tunnel Positioning Approach via Long Term Evolution Cellular Signal." Journal of Physics: Conference Series 2504, no. 1 (2023): 012044. http://dx.doi.org/10.1088/1742-6596/2504/1/012044.

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Abstract Currently, Radio Frequency Identification System (RFIS), ZigBee and Ultra-Wide Band (UWB) methods are mainly used to positioning in enclosed space. But they require complex hardware layout and high hardware costs, resulting in the inability to meet the positioning needs of complex environments. Therefore, we designed a novel tunnel positioning approach via Long Term Evolution (LTE) cellular signal. This approach includes: signal acquisition, data preprocessing, feature database construction, model training and real-time positioning. In the data preprocessing stage, we adopt 3sigma and

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Zhang, De Min, Xiang Zhu, Zhi Hui Qiu, and Chao Bo Duan. "Design and Implementation of Cell Search Time Synchronization in LTE System Based on FPGA." Applied Mechanics and Materials 380-384 (August 2013): 4076–79. http://dx.doi.org/10.4028/www.scientific.net/amm.380-384.4076.

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LTE is accepted worldwide as the Long Term Evolution Perspective for todays 3G and 4G networks. Cell search time synchronization is an important physical layer procedure by which a user equipment (UE) acquires synchronization with a cell and detects the physical layer cell ID of that cell. Timing synchronization is consisted of the symbol timing synchronization and frame synchronization. This paper supplies the introduction of synchronization signals, presents the detection method, and analyzes the design based on FPGA platform and finally simulated on the Modelsim 6.5 and implemented in Xilin

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Szczesny, David, Sebastian Hessel, Anas Showk, Attila Bilgic, Uwe Hildebrand, and Valerio Frascolla. "Joint Uplink and Downlink Performance Profiling of LTE Protocol Processing on a Mobile Platform." International Journal of Embedded and Real-Time Communication Systems 1, no. 4 (2010): 21–39. http://dx.doi.org/10.4018/jertcs.2010100102.

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This article provides a detailed profiling of the layer 2 (L2) protocol processing for 3G successor Long Term Evolution (LTE). For this purpose, the most processing intensive part of the LTE L2 data plane is executed on top of a virtual ARM based mobile phone platform. The authors measure the execution times as well as the maximum data rates at different system setups. The profiling is done for uplink (UL) and downlink (DL) directions separately as well as in a joint UL and DL scenario. As a result, the authors identify time critical algorithms in the protocol stack and check to what extent st

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Mahfoudi, Mohammed, Moulhime El Bekkali, Abdellah Najd, M. El Ghazi, and Said Mazer. "A New Downlink Scheduling Algorithm Proposed for Real Time Traffic in LTE System." International Journal of Electronics and Telecommunications 61, no. 4 (2015): 409–14. http://dx.doi.org/10.2478/eletel-2015-0054.

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Abstract The Third Generation Partnership Project (3GPP) has developed a new cellular standard based packet switching allowing high data rate, 100 Mbps in Downlink and 50 Mbps in Uplink, and having the flexibility to be used in different bandwidths ranging from 1.4 MHz up to 20 MHz, this standard is termed LTE (Long Term Evolution). Radio Resource Management (RRM) procedure is one of the key design roles for improving LTE system performance, Packet scheduling is one of the RRM mechanisms and it is responsible for radio resources allocation, However, Scheduling algorithms are not defined in 3GP

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Ogunrinola, Olawale Oluwasegun, Isaiah Opeyemi Olaniyi, Segun A. Afolabi, Gbemiga Abraham Olaniyi, and Olushola Emmanuel Ajeigbe. "Modelling and Development of a Radio Resource Control and Scheduling Algorithm for Long-Term Evolution (LTE) Uplink." Review of Computer Engineering Studies 8, no. 2 (2021): 23–34. http://dx.doi.org/10.18280/rces.080201.

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Modern radio communication services transmit signals from an earth station to a high-altitude station, space station or a space radio system via a feeder link while in Global Systems for Mobile Communication (GSM) and computer networks, the radio uplink transmit from cell phones to base station linking the network core to the communication interphase via an upstream facility. Hitherto, the Single-Carrier Frequency Division Multiple Access (SC-FDMA) has been adopted for uplink access in the Long-Term Evolution (LTE) scheme by the 3GPP. In this journal, the LTE uplink radio resource allocation i

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Hakim, N. F. A., T. Hariyadi, A. B. Pantjawati, and B. Mulyanti. "Analysis high gain waveguide slot antenna 2.3 GHz for Long Term Evolution-Time Division Duplex (LTE-TDD)." IOP Conference Series: Materials Science and Engineering 850 (May 23, 2020): 012054. http://dx.doi.org/10.1088/1757-899x/850/1/012054.

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Wu, Di, Johan Eilert, Rizwan Asghar, et al. "System Architecture for 3GPP-LTE Modem using a Programmable Baseband Processor." International Journal of Embedded and Real-Time Communication Systems 1, no. 3 (2010): 44–64. http://dx.doi.org/10.4018/jertcs.2010070103.

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The evolution of third generation mobile communications toward high-speed packet access and long-term evolution is ongoing and will substantially increase the throughput with higher spectral efficiency. This paper presents the system architecture of an LTE modem based on a programmable baseband processor. The architecture includes a baseband processor that handles processing time and frequency synchronization, IFFT/FFT (up to 2048-p), channel estimation and subcarrier de-mapping. The throughput and latency requirements of a Category four User Equipment (CAT4 UE) is met by adding a MIMO symbol

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Anas, Abdullahi, Yusuf Umar Jimada, Muhammed Abdulaziz Usman, Aliyu Aliyu Aliyu, Adamu Bashir Ismail, and Zaharadeen Yusuf Yeldu. "DRX Mechanism for Machine Type Communication (MTC) in Long Term Evolution Network (LTE): Potentials and challenges." Dutse Journal of Pure and Applied Sciences 9, no. 4a (2024): 227–35. http://dx.doi.org/10.4314/dujopas.v9i4a.21.

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Discontinuous Reception (DRX) Mechanism is the power saving technique employed by the Long Time Evolutional (LTE) Network to reduce the power saving. The scheme has seen numerous improvements and tuning to enhance its performance. The Machine Type Communication (MTC) devices have characters that widely differ from the normal devices (Human Type Devices). Therefore, DRX schemes needs to be adjusted to fully accommodate MTC. In this work, a survey of MTC DRX scheme literatures is adapted depicting challenges and potential.

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Iancu, Daniel, John Glossner, Gary Nacer, Stuart Stanley, Vitaly Kolashnikov, and Joe Hoane. "Software defined radio platform with wideband tunable front end." International Journal of Engineering & Technology 4, no. 1 (2015): 97. http://dx.doi.org/10.14419/ijet.v4i1.4160.

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The paper presents a Software Defined Radio (SDR) development platform with wideband tunable RF (Radio Frequency) front end. The platform is based on the SB3500 Multicore Multithreaded Vector Processor and it is intended to be used for a wide variety of communication protocols as: Time Division Duplexing/Frequency Division Duplexing Long Term Evolution (TDD/FDD LTE), Global Positioning System (GPS), Global System for Mobile/General Packet Radio Service (GSM/GPRS), Wireless Local Area Network (WLAN), Legacy Worldwide Interoperability for Microwave Access (WiMAX). As an example, we describe brie

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SULAEMAN, ENCENG, ARSYAD RAMADHAN DARLIS, and HARIANTI ASRI DEWI. "Perancangan dan Implementasi Duplexer Mikrostrip untuk Frekuensi LTE pada band ke-7." ELKOMIKA: Jurnal Teknik Energi Elektrik, Teknik Telekomunikasi, & Teknik Elektronika 1, no. 2 (2013): 68. http://dx.doi.org/10.26760/elkomika.v1i2.68.

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ABSTRAKKebutuhan akan komunikasi bergerak semakin mengalami peningkatan dalam dunia teknologi yang ada saat ini, maka hadirlah teknologi terbaru yaitu Long Term Evolution (LTE). Dengan teknik duplex jenis Frequency Division Duplex (FDD), dirancanglah duplexer yang mampu melakukan proses pengiriman dan penerimaan dalam satu waktu dengan frekuensi yang berbeda antara uplink dan downlink. Pada penelitian ini dirancang dan diimplementasikan sebuah duplekser dengan menggunakan metoda Hybrid Coupler dan Bandstop Filter berbasis Split Ring Resonator untuk band frekuensi ke-7 pada teknologi LTE di sis

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Sun, Yishen, Wesley Garey, Richard Rouil, and Priam Varin. "Access Time Analysis of MCPTT Off-Network Mode over LTE." Wireless Communications and Mobile Computing 2019 (April 2, 2019): 1–19. http://dx.doi.org/10.1155/2019/2729370.

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Public safety organizations around the world started migrating toward Long-Term Evolution (LTE) networks to support the increasing needs for video and data. To address the unique voice communication requirements of first responders, the 3rd Generation Partnership Project (3GPP) introduced new capabilities that aim at providing similar functionalities as the traditional Land Mobile Radio (LMR) systems, namely, Direct Mode communication and mission critical push-to-talk (MCPTT). Direct Mode communication, also called Proximity Services (ProSe), allows public safety users to communicate directly

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Oliveira, Luiz, Joel Rodrigues, Sergei Kozlov, Ricardo Rabêlo, and Victor Albuquerque. "MAC Layer Protocols for Internet of Things: A Survey." Future Internet 11, no. 1 (2019): 16. http://dx.doi.org/10.3390/fi11010016.

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Due to the wide variety of uses and the diversity of features required to meet an application, Internet of Things (IoT) technologies are moving forward at a strong pace to meet this demand while at the same time trying to meet the time-to-market of these applications. The characteristics required by applications, such as coverage area, scalability, transmission data rate, and applicability, refer to the Physical and Medium Access Control (MAC) layer designs of protocols. This paper presents a deep study of medium access control (MAC) layer protocols that are used in IoT with a detailed descrip

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Ekpo, Edidiong-Obong, KUFRE UDOFIA, and Akaninyene Obot. "Modified Best Channel Quality Indicator Scheduler for Heterogeneous LTE-A Network." Journal of Engineering Research [TJER] 20, no. 2 (2024): 123–29. http://dx.doi.org/10.53540/tjer.vol20iss2pp123-129.

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In this paper, a Long-Term Evolution-Advanced (LTE-A) Modified Best Channel Quality Indicator (M-BCQI) Scheduler is proposed for enhanced cell edge throughput performance. The scheduling algorithm utilizes two time slots, each of 0.5 ms in length, with the First Time Slot (FTS) implemented with the Best Channel Quality Indicator (BCQI) algorithm has a CQI-focused Resource Block (RB) allocation mechanism, while the Robin (RR) algorithm is the mechanism used in the Second Time Slot (STS) for RB allocation. Vienna LTE system level simulator was used for the proposed scheduling algorithm assessmen

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Babita, Barman* Swati Soni. "A COMPARATIVE STUDY OF NOISE IN LTE-A." International Research Journal of Modernization in Engineering Technology and Science 3, no. 6 (2021): 719–23. https://doi.org/10.5281/zenodo.5001593.

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The focus of this research is in the area of analyzing the performance of the fourth generation (4G) mobile networks like the Long-term evolution systems (LTE and LTE Advanced), based on the parameters like signal to interference to noise ratio (SINR). The research method adopted in this work includes deigning of scenarios in the system level simulation tool MATLAB, developed by the MathWorks. These scenarios are simulated to study the effect of the inter site distances, operating frequencies, scheduling algorithms and antenna height and antenna spacing on the network performance parameters. T

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