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Articles de revues sur le sujet « Adaptive backoff algorithm »

Auteur : Grafiati

Publié le 7 juin 2025

Mis à jour le 2 août 2025

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1

Khamayseh, Yaser, Muneer Bani Yassein, Iman I. Badran, and Wail Mardini. "An Adaptive Backoff Algorithm for Mobile Ad-Hoc Networks." International Journal of Mobile Computing and Multimedia Communications 3, no. 3 (2011): 1–19. http://dx.doi.org/10.4018/jmcmc.2011070101.

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Collision is a common problem in Mobile Ad Hoc Networks (MANETs). There are several backoff algorithms that have been proposed to avoid this problem. This paper proposes a new backoff algorithm called the Square Root Backoff (SRB). Moreover, it identifies that no algorithm can perform the best in all cases. Therefore, an adaptive strategy is proposed to choose the best backoff mechanism from a set of mechanisms based on network density and mobility parameters. The proposed adaptive algorithm is implemented in two phases, the offline phase and the online phase. Such design aims at reducing the

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Chen, Xiao Yun, Sha Liu, and Long Jie Li. "ABCR-STC: An Improved Adaptive Backoff Algorithm for MAC Protocol in Ad Hoc Networks." Applied Mechanics and Materials 40-41 (November 2010): 462–68. http://dx.doi.org/10.4028/www.scientific.net/amm.40-41.462.

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The performance of backoff algorithm plays an important role in designing efficient Medium Access Protocols for Ad hoc networks. In this paper, we propose three backoff algorithms for Ad hoc networks. The first algorithm aims at higher fairness, and the second aims at stronger adaptivity. Then, we combine the first two algorithms to propose an optimized backoff algorithm. We use NS2 to simulate Ad hoc network environment to evaluate the performance of our improved backoff algorithms. The results show that our algorithms exhibit a signiﬁcant improvement in throughput and fairness with the exist

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Zhang, Tianjiao, and Qi Zhu. "A QoS Based Adaptive Backoff Scheme for Vehicular Ad Hoc Networks." Sensors 18, no. 12 (2018): 4421. http://dx.doi.org/10.3390/s18124421.

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The media access control (MAC) protocol is a key element in the design of vehicular ad hoc networks (VANETs) that directly affects the network performance. The backoff schemes of existing MAC protocols apply the single backoff process and therefore are not suitable for multi-class data transmission. Additionally, they cannot satisfy the delay requirements of emergency data in the case of varying number of vehicles, causing an adverse effect to the intelligent transportation system (ITS). This paper presents a priority-based adaptive backoff scheme that can enhance the binary exponential backof

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Wang, Jun She, Rui Juan Qiao, and Ya Nan Zhang. "Cognitive Backoff Algorithm Research." Applied Mechanics and Materials 610 (August 2014): 627–32. http://dx.doi.org/10.4028/www.scientific.net/amm.610.627.

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Wireless communication technology has been widely applied in People's Daily life. However, limited spectrum resources and low spectrum utilization of spectrum resources shortage is proposed. In this paper, a cognitive function of backoff algorithm (CR-BOA) is raised. This algorithm depending on the degree of congestion channel adaptive adjustment the size of the backoff value .This algorithm greatly improves the performance of the network, and reduces the problems of delay caused by the spectrum resource scarcity. Finally, use the OPNET simulation software, the results show that the end-to-end

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Lekcharoen, Somchai. "An Adaptive Fuzzy Control Double Leaky Bucket Using Backoff Time and Backpressure in Policing Mechanism Schemes over VDSL Network." ECTI Transactions on Electrical Engineering, Electronics, and Communications 6, no. 2 (2007): 107–16. http://dx.doi.org/10.37936/ecti-eec.200862.171771.

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When congestion occurs in VDSL networks, it will drop incoming frames because the buffer fills up frames until it over°ows. In backpressure algorithm suitable for low traffic [1], it prevents buffer overflows. In backo® time in leaky bucket over traffic policing mechanism suitable for high traffic [2], Backoff time computations are wildly used in order to avoid the impact on the network performance. In this paper, we propose a fuzzy control double leaky bucket using backpressure and backoff time detects violations in parameter negotiation. We evaluate and compare the performance of a fuzzy con

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ALBALT, Maali, and Qassim NASIR. "Adaptive Backoff Algorithm for IEEE 802.11 MAC Protocol." International Journal of Communications, Network and System Sciences 02, no. 04 (2009): 300–317. http://dx.doi.org/10.4236/ijcns.2009.24033.

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Bedi, Harpreet Singh. "Utilization of a Wireless Network Performing CSMA/CA with Random Backoff Algorithm." Journal of Physics: Conference Series 2327, no. 1 (2022): 012060. http://dx.doi.org/10.1088/1742-6596/2327/1/012060.

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Abstract Optimizing WLAN performance in IEEE 802.11 network with extremely different working environments is a difficult task. We must use a network that can provide the most benefits to its end-users to improve network strength and data transmission. To increase performance in this congested situation, we construct an adaptive backoff algorithm for the IEEE 802.11 DCF that enhances in congested network conditions, system throughput is improved, the collision probability is reduced, and good fairness is maintained. This paper deals with the utilization of networks for different backoff strateg

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Syed, Ikram, and Byeong-hee Roh. "Adaptive Backoff Algorithm for Contention Window for Dense IEEE 802.11 WLANs." Mobile Information Systems 2016 (2016): 1–11. http://dx.doi.org/10.1155/2016/8967281.

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The performance improvement in IEEE 802.11 WLANs in widely fluctuating network loads is a challenging task. To improve the performance in this saturated state, we develop an adaptive backoff algorithm that maximizes the system throughput, reduces the collision probability, and maintains a high fairness for the IEEE 802.11 DCF under dense network conditions. In this paper, we present two main advantages of the proposed ABA-CW algorithm. First, it estimates the number of active stations and then calculates an optimal contention window based on the active station number. Each station calculates t

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Lin, Cheng-Han, Ming-Hua Cheng, Wen-Shyang Hwang, Ce-Kuen Shieh, and Yu-Hang Wei. "A Rapidly Adaptive Collision Backoff Algorithm for Improving the Throughput in WLANs." Electronics 12, no. 15 (2023): 3324. http://dx.doi.org/10.3390/electronics12153324.

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In the 802.11 protocol, the fundamental medium access mechanism is called Distributed Coordination Function (DCF). In DCF, before making any transmission attempt, the nodes count down a timer with a value randomly selected from the Contention Window (CW) size. If the transmitted packet is involved in a collision, the node increases the CW size in an attempt to reduce the collision rate. Conversely, if the packet is transmitted successfully, the node reduces the CW size in order to increase the frequency of the transmission attempts. The growth or reduction in the CW size has a critical effect

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Xiaohang, Qi, Zhang Qi, Tian Qinghua, Tao Ying, Xin Xiangjun, and Liu Naijin. "Design of adaptive backoff algorithm for satellite network using grey system." Journal of China Universities of Posts and Telecommunications 22, no. 1 (2015): 24–56. http://dx.doi.org/10.1016/s1005-8885(15)60621-5.

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Xie, Ning, Li Zhang, Jun Wu, and Hui Wang. "An Adaptive Backoff Algorithm Based on Channel Utilization for IEEE 802.11." Wireless Personal Communications 83, no. 4 (2015): 2965–73. http://dx.doi.org/10.1007/s11277-015-2576-y.

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Syed, Ikram, Seung-hun Shin, Byeong-hee Roh, and Muhammad Adnan. "Performance Improvement of QoS-Enabled WLANs Using Adaptive Contention Window Backoff Algorithm." IEEE Systems Journal 12, no. 4 (2018): 3260–70. http://dx.doi.org/10.1109/jsyst.2017.2694859.

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Li, Yantao, Gang Zhou, Nan Zheng, and Liang Hong. "An adaptive backoff algorithm for multi-channel CSMA in wireless sensor networks." Neural Computing and Applications 25, no. 7-8 (2014): 1845–51. http://dx.doi.org/10.1007/s00521-014-1674-1.

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Khanafer, Mounib, Mouhcine Guennoun, Mohammed El-Abd, and Hussein T. Mouftah. "Improved Adaptive Backoff Algorithm for Optimal Channel Utilization in Large-Scale IEEE 802.15.4-Based Wireless Body Area Networks." Future Internet 16, no. 9 (2024): 313. http://dx.doi.org/10.3390/fi16090313.

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The backoff algorithm employed by the medium access control (MAC) protocol of the IEEE 802.15.4 standard has a significant impact on the overall performance of the wireless sensor network (WSN). This algorithm helps the MAC protocol resolve the contention among multiple nodes in accessing the wireless medium. The standard binary exponent backoff (BEB) used by the IEEE 802.15.4 MAC protocol relies on an incremental method that doubles the size of the contention window after the occurrence of a collision. In a previous work, we proposed the adaptive backoff algorithm (ABA), which adapts the cont

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15

Zhu, Ying, Hai-lun Xia, and Mu-qing Wu. "A Self-adaptive Minimum Contention Window Adjusting Backoff Algorithm in IEEE 802.11 DCF." Journal of Electronics & Information Technology 30, no. 4 (2011): 961–65. http://dx.doi.org/10.3724/sp.j.1146.2007.00184.

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CAO, Y. "A Distributed Clustering Algorithm with an Adaptive Backoff Strategy for Wireless Sensor Networks." IEICE Transactions on Communications E89-B, no. 2 (2006): 609–13. http://dx.doi.org/10.1093/ietcom/e89-b.2.609.

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17

Zhang, Changsen, Pengpeng Chen, Jianji Ren, Xiaofei Wang, and Athanasios V. Vasilakos. "A backoff algorithm based on self-adaptive contention window update factor for IEEE 802.11 DCF." Wireless Networks 23, no. 3 (2016): 749–58. http://dx.doi.org/10.1007/s11276-015-1184-9.

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18

Wu, Guilu, and Pingping Xu. "Improving Performance by a Dynamic Adaptive Success-Collision Backoff Algorithm for Contention-Based Vehicular Network." IEEE Access 6 (2018): 2496–505. http://dx.doi.org/10.1109/access.2017.2783909.

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19

Xia, Feng, Jie Li, Ruonan Hao, Xiangjie Kong, and Ruixia Gao. "Service Differentiated and Adaptive CSMA/CA over IEEE 802.15.4 for Cyber-Physical Systems." Scientific World Journal 2013 (2013): 1–12. http://dx.doi.org/10.1155/2013/947808.

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Cyber-Physical Systems (CPS) that collect, exchange, manage information, and coordinate actions are an integral part of the Smart Grid. In addition, Quality of Service (QoS) provisioning in CPS, especially in the wireless sensor/actuator networks, plays an essential role in Smart Grid applications. IEEE 802.15.4, which is one of the most widely used communication protocols in this area, still needs to be improved to meet multiple QoS requirements. This is because IEEE 802.15.4 slotted Carrier Sense Multiple Access/Collision Avoidance (CSMA/CA) employs static parameter configuration without sup

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Almagrabi, Alaa Omran, Rashid Ali, Yasser Difulah Al-Otaibi, Hadi Mohsen Oqaibi, and Tahir Khurshaid. "Sliding Group Window with Rebacking off for Collision Avoidance in High-Efficiency Wireless Networks." Mathematics 9, no. 19 (2021): 2461. http://dx.doi.org/10.3390/math9192461.

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It is difficult for wireless local area networks (WLANs), IEEE 802.11ax high-efficiency WLAN (HEW), to join next-generation innovations such as 5th generation (5G) and Internet of Things (IoT) because they still have their conventional channel access mechanism as their essential medium access control (MAC) protocol. The MAC protocol uses a traditional binary exponential backoff (BEB) algorithm to access channel resources that depend on the noncognitive increment of contention parameters for collision avoidance. In BEB, the collision issue increases with the increase in connected devices in the

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21

Korzun, D. G., O. Yu Bogoiavlenskaia, and K. A. Kulakov. "Applying the Random Backoff Algorithm for Active Information Exchange Control in Smart Internet Environment Server." Programmnaya Ingeneria 14, no. 5 (2023): 207–16. http://dx.doi.org/10.17587/prin.14.207-216.

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The information exchange-as a way of interaction for participants in an Internet environment-is a fundamental function of a distributed system within the computing paradigms of Internet of Things, Cyber-Physical Systems, Ambient Intelligence etc. Participants in an Internet environment are represented by software agents running typically on low-performance edge computing devices. Interaction is implemented through exchange of information collected by the participants in a shared information store that implements the «intelligence» of this environment. The organization of agents access to the s

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22

Pawan, Sahu, and Kore Sushma. "Enhancements in CSMA/CD and CSMA/CA for Collision Handling in Ethernet and Wi-Fi Networks." Journal of Network Security and Data Mining 8, no. 2 (2025): 24–30. https://doi.org/10.5281/zenodo.15356719.

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<em>Carrier Sense Multiple Access with Collision Detection (CSMA/CD) and Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) are fundamental access control mechanisms used in Ethernet and Wi-Fi networks, respectively. However, as network traffic grows and devices become more interconnected, traditional implementations of these protocols encounter inefficiencies, leading to increased collision rates, network congestion, and higher transmission delays. This paper explores recent advancements in CSMA/CD and CSMA/CA aimed at improving collision handling, reducing packet loss, and opti

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Bellalta, Boris, Michela Meo, and Miquel Oliver. "VoIP Call Admission Control in WLANs in Presence of Elastic Traffic." Journal of Communications Software and Systems 2, no. 4 (2017): 322. http://dx.doi.org/10.24138/jcomss.v2i4.277.

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VoIP service over WLAN networks is a promising alternative to provide mobile voice communications. However, several performance problems appear due to i) heavy protocoloverheads, ii) unfairness and asymmetry between the uplink and downlink flows, and iii) the coexistence with other traffic flows. This paper addresses the performance of VoIP communications with simultaneous presence of bidirectional TCP traffic, and shows how the presence of elastic flows drastically reduces the capacity of the system. To solve this limitation a simple solution is proposed using an adaptive Admission and Rate C

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24

Fan, Zuzhi. "Delay-constrained flooding in extremely low-duty-cycle sensor networks." International Journal of Distributed Sensor Networks 15, no. 3 (2019): 155014771984022. http://dx.doi.org/10.1177/1550147719840225.

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Flooding is a fundamental function for the network-wide dissemination of command, query, and code update in wireless sensor networks. However, it is challenging to enable fast and energy-efficient flooding in sensor networks with low-duty cycles because it is rare that multiple neighboring nodes wake up at the same time, making broadcast instinct of wireless radio unavailable. The unreliability of wireless links deteriorates the situation. In this work, we study the delay-constrained flooding problem in order to disseminate data packets to all nodes within given expected delivery delay. In par

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25

Kim, Jin-Woo, Jae-Wan Kim, and Jaeho Lee. "Intelligent Resource Allocation Scheme Using Reinforcement Learning for Efficient Data Transmission in VANET." Sensors 24, no. 9 (2024): 2753. http://dx.doi.org/10.3390/s24092753.

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Vehicular ad hoc networks (VANETs) use multiple channels to communicate using wireless access in vehicular environment (WAVE) standards to provide a variety of vehicle-related applications. The current IEEE 802.11p WAVE communication channel structure is composed of one control channel (CCH) and several service channels (SCHs). SCHs are used for non-safety data transmission, while the CCH is used for broadcasting beacons, control, and safety. WAVE devices transmit data that alternate between CCHs and SCHs, and each channel is active for a duration called the CCH interval (CCHI) and SCH interva

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Cheng, Yujun, Huachun Zhou, and Dong Yang. "CA-CWA: Channel-Aware Contention Window Adaption in IEEE 802.11ah for Soft Real-Time Industrial Applications." Sensors 19, no. 13 (2019): 3002. http://dx.doi.org/10.3390/s19133002.

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In 2016, the IEEE task group ah (TGah) released a new standard called IEEE 802.11ah, and industrial Internet of Things (IoT) is one of its typical use cases. The restricted access window (RAW) is one of the core MAC mechanisms of IEEE 802.11ah, which aims to address the collision problem in the dense wireless networks. However, in each RAW period, stations still need to contend for the channel by Distributed Coordination Function and Enhanced Distributed Channel Access (DCF/EDCA), which cannot meet the real-time requirements of most industrial applications. In this paper, we propose a channel-

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27

Khomami, Prakash, Golnar Khomami, and Fernando Fontan. "The Relation between the Probability of Collision-Free Broadcast Transmission in a Wireless Network and the Stirling Number of the Second Kind." Mathematics 6, no. 7 (2018): 127. http://dx.doi.org/10.3390/math6070127.

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The broadcast performance of the 802.11 wireless protocol depends on several factors. One of the important factor is the number of nodes simultaneously contending for the shared channel. The Medium Access Control (MAC) technique of 802.11 is called the Distributed Coordination Function (DCF). DCF is a Carrier Sense Multiple Access with Collision Avoidance (CSMA/CA) scheme with binary slotted exponential backoff. A collision is the result of two or more stations transmitting simultaneously. Given the simplicity of the DCF scheme, it was adapted for Dedicated Short Range Communication (DSRC) bas

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28

Yassein, Muneer O. Bani, Saher S. Manaseer, and Ahmad A. Momani. "Adaptive Backoff Algorithm for Wireless Internet." Journal of Emerging Technologies in Web Intelligence 4, no. 2 (2012). http://dx.doi.org/10.4304/jetwi.4.2.155-163.

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29

"Optimized Adaptive Back off Algorithm for Static and Mobile Wireless Ad hoc Networks." International Journal of Recent Technology and Engineering 8, no. 5 (2020): 998–1002. http://dx.doi.org/10.35940/ijrte.e6047.018520.

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In wireless ad hoc networks with stationary and portable nodules situation, planning a backoff procedure is decisive to evade impact and to increase the act of nodules. Majority of the Medium Access Control (MAC) etiquettes intended for ad hoc networks take up stationary nodules situation. In this paper, an Optimized Adaptive Backoff Algorithm (OABA) is proposed for static and mobile wireless ad hoc networks. In this algorithm, during the back off stage, the type of node is determined as static or mobile. For mobile nodes, their residence time is determined in addition to their priority. Then

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30

Choi, Bum-Gon. "Adaptive Binary Negative-Exponential Backoff Algorithm Based on Contention Window Optimization in IEEE 802.11 WLAN." KSII Transactions on Internet and Information Systems, 2010. http://dx.doi.org/10.3837/tiis.2010.10.011.

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Hoang Chien, Nguyen, and Pham Thanh Giang. "Adaptive Sliding Contention Window Design to Minimize Safe Message Collision Rates with Different Priority Levels in VANET." Journal of Communications, June 2023, 369–76. http://dx.doi.org/10.12720/jcm.18.6.369-376.

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In Vehicular Ad Hoc Networks (VANETs), the broadcast is an important form of communication and occupies the main traffic in the network. However, since there is no recovery for broadcast frames in the VANET network, the collision rate between safe message traffic can become very high, especially in vehicle-dense network conditions. This paper proposes a new coordination mechanism that adaptively controls the Contention Window (CW) size for broadcast to reduce the safe message collision rate with different priority levels. In our mechanism, each vehicle in the VANET can automatically adjust the

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