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Dissertations / Theses on the topic 'Trellis code'

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Published: 4 June 2021

Last updated: 25 July 2025

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1

Kostrhoun, Jan. "Protichybové zabezpečení v digitálních komunikačních systémech." Master's thesis, Vysoké učení technické v Brně. Fakulta elektrotechniky a komunikačních technologií, 2013. http://www.nusl.cz/ntk/nusl-220327.

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This work deals with forward error correction. In the work, basic methods and algorithms of error correction are described. For the presentation of encoding and decoding process of Hamming code, Reed-Müller code, Fire code, Reed-Solomon code and Trellis coded modulation programs in Matlab were created.

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2

Wang, Dong. "Space-time trellis code design with simple decoding for MIMO communication systems." Access to citation, abstract and download form provided by ProQuest Information and Learning Company; downloadable PDF file 0.87 Mb., 156 p, 2006. http://gateway.proquest.com/openurl?url_ver=Z39.88-2004&res_dat=xri:pqdiss&rft_val_fmt=info:ofi/fmt:kev:mtx:dissertation&rft_dat=xri:pqdiss:3200526.

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3

SILVA, MARCUS VINICIUS FONSECA DE ARAUJO. "IMAGE COMPRESSION USING WAVELET TRANSFORM AND TRELLIS CODE VECTOR QUANTIZATION WITH ENTROPY CONSTRAINT." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1998. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8684@1.

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COORDENAÇÃO DE APERFEIÇOAMENTO DO PESSOAL DE ENSINO SUPERIOR<br>MINISTÉRIO DA EDUCAÇÃO<br>Essa dissertação apresenta um codificador de imagens para baixas taxas de bits utilizando a decomposição da imagem em 10 sub-bandas através da aplicação da transformada wavelet. Uma técnica de redução de irrelevância visual é usada para descartar blocos de coeficientes das sub-bandas de alta freqüência (2 a 10). Os blocos remanescentes são classificados em bordas e não bordas e codificados através da técnica ECTCVQ ( Entropy-Constrained Trellis Coded Vector Quantization). Já a primeira sub-banda é

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4

Billah, Md Munibun. "Generalization of Signal Point Target Code." DigitalCommons@USU, 2019. https://digitalcommons.usu.edu/etd/7586.

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Detecting and correcting errors occurring in the transmitted data through a channel is a task of great importance in digital communication. In Error Correction Coding (ECC), some redundant data is added with the original data while transmitting. By exploiting the properties of the redundant data, the errors occurring in the data from the transmission can be detected and corrected. In this thesis, a new coding algorithm named Signal Point Target Code has been studied and various properties of the proposed code have been extended. Signal Point Target Code (SPTC) uses a predefined shape within a

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5

Acharya, Om Nath, and Sabin Upadhyaya. "Space Time Coding For Wireless Communication." Thesis, Linnéuniversitetet, Institutionen för datavetenskap, fysik och matematik, DFM, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:lnu:diva-19424.

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As the demand of high data rate is increasing, a lot of research is being conducted in the field of wireless communication. A well-known channel coding technique called Space-Time Coding has been implemented in the wireless Communication systems using multiple antennas to ensure the high speed communication as well as reliability by exploiting limited spectrum and maintaining the power. In this thesis, Space-Time Coding is discussed along with other related topics with special focus on Alamouti Space-Time Block Code. The Alamouti Codes show good performance in terms of bit error rate over Rayl

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6

Inceoglu, Zafer. "Trellis coded CPFSK." Thesis, Monterey, California. Naval Postgraduate School, 1992. http://hdl.handle.net/10945/24079.

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7

Arani, Faramarz Shayan. "Trellis coded modulation techniques." Thesis, University of Warwick, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.387324.

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8

Sarvis, James P. (James Patrick). "Symmetries of trellis codes." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/11460.

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Thesis (M. Eng.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1995.<br>Includes bibliographical references (leaves 69-71).<br>by James Patrick Sarvis.<br>M.Eng.

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9

Khan, Mohammad Asmat Ullah. "Trellis-coded residual vector quantization." Diss., Georgia Institute of Technology, 1999. http://hdl.handle.net/1853/13734.

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10

Weng, Wen-Yen. "Universal serially concatenated trellis coded modulations and rate-compatible high-rate LDPC codes." Diss., Restricted to subscribing institutions, 2007. http://proquest.umi.com/pqdweb?did=1324381161&sid=1&Fmt=2&clientId=1564&RQT=309&VName=PQD.

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11

Chen, Yiqi. "Computation of Initial State for Tail-Biting Trellis." Ohio University / OhioLINK, 2005. http://www.ohiolink.edu/etd/view.cgi?ohiou1125026574.

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12

Shin, Sooyoung Kim. "Trellis decoding of Reed Solomon codes." Thesis, University of Surrey, 1994. http://epubs.surrey.ac.uk/843410/.

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Reed Solomon codes, a subset of multi-level cyclic block codes with, powerful error-correcting capabilities, are computationally very efficient when algebraic decoding is applied. They may, however, give weaker performance compared to convolutional codes, at least at moderate bit error rates (around 10-5 to 10-6) on the AWGN channel. This disadvantage mainly results from the lack of a generally applicable method for soft decision decoding. Because of easy acceptance of soft decision information, trellis decoders incorporating soft decisions can produce quite useful improvements in coding gain

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13

Kaya, Lami. "Trellis decoding techniques for array codes." Thesis, Lancaster University, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358145.

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14

Wang, Mingjing. "Turbo implementation of high dimensional trellis-coded modulation." Ohio : Ohio University, 2001. http://www.ohiolink.edu/etd/view.cgi?ohiou1177521208.

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15

Silva, Filho João Coelho. "Contribuições aos metodos de procura dos codigos de treliça otimos sobre novas partições de reticulados." [s.n.], 2008. http://repositorio.unicamp.br/jspui/handle/REPOSIP/261211.

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Orientadores: Walter da Cunha Borelli, Emilia de Mendonça Rosa Marques<br>Tese (doutorado) - Universidade Estadual de Campinas, Faculdade de Engenharia Eletrica e de Computação<br>Made available in DSpace on 2018-08-13T08:38:40Z (GMT). No. of bitstreams: 1 SilvaFilho_JoaoCoelho_D.pdf: 842540 bytes, checksum: 07a4f12e39ce13ce6c183f2983fbe70f (MD5) Previous issue date: 2008<br>Resumo: Esta tese apresenta contribuições aos esquemas de modulação codificada para os códigos de treliça sobre partições de reticulados. Uma das principais contribuições é a construção dos códigos de treliça sobre novas

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16

Zhou, Biyun. "Non-binary cyclic codes and its applications in decoding of high dimensional trellis-coded modulation." Ohio : Ohio University, 2000. http://www.ohiolink.edu/etd/view.cgi?ohiou1173380815.

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17

Pyloudis, Konstantinos. "Low spectral efficiency trellis coded modulation systems." Thesis, Monterey, Calif. : Springfield, Va. : Naval Postgraduate School ; Available from National Technical Information Service, 2006. http://library.nps.navy.mil/uhtbin/hyperion/06Sep%5FPyloudis.pdf.

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Thesis (M.S. in Electrical Engineering and M.S. in Electrical Engineering)--Naval Postgraduate School, September 2006.<br>Thesis Advisor(s): Clark Robertson and Tri Ha. "September 2006." Includes bibliographical references (p. 79). Also available in print.

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18

Harada, Masaaki, Takaya Yamazato, Masaaki Katayama, and AKira Ogawa. "OFDM Systems with Multiple Trellis Coded Modulation." IEEE, 2000. http://hdl.handle.net/2237/7807.

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19

Ip, Shu-Fun (Alexis). "Trellis-coded modulation for voiceband data modems." Thesis, Loughborough University, 1988. https://dspace.lboro.ac.uk/2134/27238.

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The thesis is concerned with a combined convolutional coding and modulation technique, known as Trellis-Coded Modulation (TCM), with AM and QAM signals. TCM provides a useful error correction capability, without bandwidth expansion, by increasing appropriately the number of possible levels in a transmitted signal element. The development of the Correlative-Level Modulo Arithmetic (CLMA) coding technique has opened up a new approach to the understanding and implementation of TCM.

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20

Tan, Geok Leng. "Design issues in Trellis Coded Data Modulation." Thesis, University of Cambridge, 1990. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.358810.

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21

Gu, Yu. "Noncoherent communications using space-time trellis codes." Thesis, University of Canterbury. Electrical and Computer Engineering, 2008. http://hdl.handle.net/10092/1252.

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In the last decade much interest has been shown in space-time trellis codes (STTCs) since they can offer coding gain along with the ability to exploit the space and time diversity of MIMO channels. STTCs can be flexibly designed by trading off performance versus complexity. The work of Dayal [1] stated that if training symbols are used together with data symbols, then a space-time code can be viewed as a noncoherent code. The authors of [1] described the migration from coherent space-time codes to training assisted noncoherent space-time codes. This work focuses on the development of training

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22

Carlisle, Chris J. "Trellis-coded modulation on time-dispersive channels." Thesis, University of Canterbury. Electrical and Electronic Engineering, 1990. http://hdl.handle.net/10092/5747.

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In this thesis we examine the performance of trellis-coded modulation (TCM) on time-dispersive channels. More specifically, we are interested in the performance improvements that TCM can offer in the presence of the residual intersymbol interference (ISI) that remains after non-ideal equalization on digital microwave radio (DMR) channels. The results are, however, applicable to other time-dispersive channels. The performance of TCM on additive white Gaussian noise (AWGN) channels is well understood, and tight analytical bounds exist on the probability of the Viterbi decoder making a decision

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23

Stevens, Janet Emerson, and Tri T. Ha. "Trellis coded modulation applied to orthogonal signals." Thesis, Monterey, California. Naval Postgraduate School, 1993. http://hdl.handle.net/10945/24242.

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24

Sriram, Parthasarathy 1967. "Noisy channel performance of trellis coded quantization." Thesis, The University of Arizona, 1990. http://hdl.handle.net/10150/291562.

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Low delay speech coding at 16 kbits/sec has received a tremendous amount of attention. One recently proposed scheme that offers excellent performance with buffering delays less than 5 msec is Trellis Coded Quantization (TCQ). The primary objective of this thesis is to evaluate the performance of TCQ in the presence of channel errors. When feedback-free encoding circuits are employed, error propagation is not a serious problem. For encoding sampled speech, segmental signal-to-noise ratios in excess of 20 dB are obtained. Performance comparisons are made using a fixed predictor and four differen

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25

Tong, Jun. "Superposition coded modulation /." access full-text access abstract and table of contents, 2009. http://libweb.cityu.edu.hk/cgi-bin/ezdb/thesis.pl?phd-ee-b23750455f.pdf.

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Thesis (Ph.D.)--City University of Hong Kong, 2009.<br>"Submitted to Department of Electronic Engineering in partial fulfillment of the requirements for the degree of Doctor of Philosophy." Includes bibliographical references (leaves [142]-152)

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26

Thayananthan, V. "Design of run-length limited partial unit memory codes for digital magnetic recording and trellis coded quantisation based on PUM codes." Thesis, Lancaster University, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287264.

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27

Spenler, Stephen John. "Differentially coherent trellis coded modulation with subset dilation." Thesis, University of Ottawa (Canada), 1989. http://hdl.handle.net/10393/5963.

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28

Lo, Yung-Cheng. "Circular trellis-coded modulation in spread spectrum communications." Ohio : Ohio University, 1997. http://www.ohiolink.edu/etd/view.cgi?ohiou1175020785.

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29

Zaidan, Mahdi Yahya. "Trellis coded modulation with σ-tree signal constellations". Diss., Georgia Institute of Technology, 1996. http://hdl.handle.net/1853/14984.

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30

Wang, Chin Kong. "Investigaitons of dirty paper trellis codes for watermaking." Thesis, University College London (University of London), 2009. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.498209.

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31

Yu, Kevin C. (Kevin Cherng-Kai). "Unequal error protection codes based on trellis shaping." Thesis, Massachusetts Institute of Technology, 1995. http://hdl.handle.net/1721.1/36034.

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32

Maurer, Patrick M. (Patrick Michael). "Sequential decoding of trellis codes through ISI channels." Thesis, Massachusetts Institute of Technology, 1996. http://hdl.handle.net/1721.1/38820.

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Thesis (M.S.)--Massachusetts Institute of Technology, Dept. of Electrical Engineering and Computer Science, 1996.<br>Includes bibliographical references (leaves 56-57).<br>by Patrick M. Maurer.<br>M.S.

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33

Sun, Hua. "Layered turbo trellis-coded modulation for cooperative communications." Thesis, University of Southampton, 2016. https://eprints.soton.ac.uk/392568/.

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In this thesis, we propose a suite of Turbo Trellis Coded Modulation (TTCM) aided transmission schemes designed for cooperative communications. Our objective is to combine Coded Modulation (CM) schemes with layered modulation arrangements in the context of cooperative communications for the sake of improving both the flexibility and power-efficiency of the entire system, while maintaining a moderate system complexity. Our investigations are focussed on the physical layer and on the network layer. Specifically, we firstly introduce and study the family of Trellis-Coded Modulation (TCM) and TTCM

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34

Anitei, Irina. "Circular Trellis based Low Density Parity Check Codes." Ohio University / OhioLINK, 2008. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1226513009.

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35

Lindebaum, Theo. "Design of a simulation for trellis coded modulation." Master's thesis, University of Cape Town, 1992. http://hdl.handle.net/11427/8354.

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Bibliography: leaves 116-7.<br>The last decade has shown a very rapid increase in the application of digital computers to virtually all walks of life. This has resulted in a demand for better and faster digital communication links, at reasonable prices. Trellis coded modulation is a fairly recent development in the technology of digital communications that has helped to meet an aspect of this demand. The Department of Electrical Engineering at the University of Cape Town had not undertaken any research in the field of trellis coded modulation at the time this thesis was started. From what was

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36

Hof, Axel. "On concatenated coding schemes employing trellis coded modulation." Düsseldorf VDI-Verl, 2009. http://d-nb.info/994364539/04.

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37

Lin, Wei McEliece Robert J. McEliece Robert J. "The trellis complexity of block and convolutional codes /." Diss., Pasadena, Calif. : California Institute of Technology, 1997. http://resolver.caltech.edu/CaltechETD:etd-01142008-075936Thetrelliscomplexityofblockandconvolutionalcodes[electronicthesis].

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38

VonColln, Eric 1967. "Subband coding of images using trellis coded quantization." Thesis, The University of Arizona, 1991. http://hdl.handle.net/10150/278018.

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An image coding scheme combining subband coding and the established energy compaction technique of the discrete cosine transform (DCT) with trellis coded quantization (TCQ) is introduced. Image spectrums are split into 16 subband images using a quadrature mirror filter bank, and the DCT is performed on the lowest subband. The data is quantized using TCQ, transmitted and recombined at the receiver. It is shown that quantizing the subband data with TCQ decreases the mean-squared error (MSE) incurred in the quantization step, versus that of a Lloyd-Max scalar quantizer.

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39

Wang, C. K. "Investigations on dirty paper trellis codes for watermarking." Thesis, University College London (University of London), 2007. http://discovery.ucl.ac.uk/1446269/.

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Recently, watermarking has been modelled as communications with side information at the transmitter. The advantage of this is that in theory the interference due to the cover Work or host signal can be eliminated, thereby improving the capacity of the watermarking system. Hence a number of different practical methods have been proposed, one of which is based on dirty paper trellis coding. These codes are a form of spherical code, and as such, have the advantage of being robust to amplitude scaling. Dirty paper trellises have a number of design parameters. There is a lack of understanding on th

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40

McEwen, Peter A. "Trellis coding for partial response channels /." Diss., Connect to a 24 p. preview or request complete full text in PDF format. Access restricted to UC campuses, 1999. http://wwwlib.umi.com/cr/ucsd/fullcit?p9968170.

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41

Papadopoulos, Constantinos. "Codes and trellises." Thesis, Queen Mary, University of London, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.325031.

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42

Chen, Huijun. "Iterative decoding for trellis based codes in wireless communications /." Full text available from ProQuest UM Digital Dissertations, 2008. http://0-proquest.umi.com.umiss.lib.olemiss.edu/pqdweb?index=0&did=1866278121&SrchMode=1&sid=1&Fmt=2&VInst=PROD&VType=PQD&RQT=309&VName=PQD&TS=1278091826&clientId=22256.

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Thesis (Ph.D.)--University of Mississippi, 2008.<br>Typescript. Vita. "November 2008." Dissertation director: Lei Cao Includes bibliographical references (leaves 113-119). Also available online via ProQuest to authorized users.

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43

Trichard, Marc Henri. "Study of Trellis Coded Modulation and error control coding." Thesis, University of Ottawa (Canada), 1995. http://hdl.handle.net/10393/9658.

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In this thesis, we examine some general theoretical features of Trellis Coded Modulation. The codes in use are the recursive Ungerboeck convolutional codes and they are combined with Quadrature Amplitude Modulation over an Additive White Gaussian Noise channel. The search of optimum mappings is first treated and the question of having some smaller punctured constellations from a larger one is considered. Performance evaluation of TCM codes is provided according to geometric conditions that the mappings must stand in order to reduce the complexity of the calculation. Computation of transfer fun

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44

Bertrand, Eric 1980. "Simplified trellis decoding of block codes by selective pruning." Thesis, McGill University, 2004. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=82468.

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Error correcting codes are of paramount importance for reliable communications. By adding redundancy to the transmitted data they allow the decoder to detect and correct errors. However in favorable channel conditions, a part of this redundancy can be removed in order to increase throughput. Unfortunately most coding schemes are poorly adapted to these higher coding rates. For example, the decoding of block codes grows exponentially with code length. In this thesis we propose a novel solution to this problem: selective trellis pruning.<br>Selective trellis pruning reduces decoding comple

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45

Baghaie, Abchuyeh Marjan. "Multilevel Space-Time Trellis Codes for Rayleigh Fading Channels." Thesis, University of Canterbury. Electrical and Computer Engineering, 2008. http://hdl.handle.net/10092/2101.

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Demand for capacity in wireless communication systems has been rapidly growing world- wide. This has been driven by increasing data rate requirements of cellular mobile systems, and demand for wireless Internet and multimedia services. As the available radio spec- trum is limited, higher data rates can only be achieved by designing more efficient signaling techniques. In this thesis, we propose a new transmission scheme, which benefits from the advantages of conventional space-time trellis codes (CSTTCs) but does not have the disadvantages, especially for larger signal constellations. We achie

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46

Pham, Tri. "Soft Detection of Trellis Coded CPM in Frequency-SelectiveChannels." Thesis, University of Canterbury. Electrical and Electronic Engineering, 2012. http://hdl.handle.net/10092/7178.

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Non-linear continuous phase modulation has constant envelope and spectral efficiency, which are desirable for public safety communication systems where both bandwidth and power are limited. A practical design of an innovation based receiver for partial response CPM was recently developed for public safety applications. It is in the form of a linear predictive demodulator with a coefficient look up table. The demodulator shows great performance over multipath fading channels without channel equalization and promises a significant contribution to public safety communication. The work in this t

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47

Rattray, George G. K. "Joint diversity trellis-coded modulation for frequency selective environments." Thesis, University of Sussex, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366060.

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48

ESTEVES, EDUARDO ANTONIO DA SILVA. "CARRIER DISCOVERY FOR DETECTION OF TRELLIS-CODED MODULATED SIGNAL." PONTIFÍCIA UNIVERSIDADE CATÓLICA DO RIO DE JANEIRO, 1993. http://www.maxwell.vrac.puc-rio.br/Busca_etds.php?strSecao=resultado&nrSeq=8637@1.

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Este trabalho analisa algumas estratégias para decodificação de sinais TCM. Além disto, propõe-se uma nova estratégia que faz uso de um processamento por percurso sobrevivente na treliça de decodificação para gerar e atualizar, de acordo com um algoritmo do tipo PLL, um conjunto de estimativas de fase, cada uma associada a um estado da treliça, que são utilizadas simultaneamente no processo de decodificação. Expressões úteis para o direcionamento de parâmetros usados no algoritmo de estimação são apresentadas. Estas expressões foram baseadas em uma análise linear simplificada que con

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49

Li, Ying. "Performance study and improvement of Ungerboeck-type trellis codes." Thesis, Massachusetts Institute of Technology, 1988. http://hdl.handle.net/1721.1/14415.

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50

Cui, Xiaoxiao. "MODIFIED VITERBI DECODING ALGORITHM FOR CIRCULAR TRELLIS-CODED MODULATION." Ohio University / OhioLINK, 2000. http://rave.ohiolink.edu/etdc/view?acc_num=ohiou1171649965.

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