Research on PDMA system based on complementary sequence and low complexity detection algorithm

Abstract With the intensive deployment of mobile networks and the vigorous development of new multimedia services, video has gradually become the mainstream of cultural consumption. The contradiction between the proliferation of video data services and the scarcity of spectrum resources has brought...

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Autores principales: Shufeng Li, Baoxin Su, Libiao Jin, Yao Sun, Zhiping Xia
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Publicado: Wiley 2021
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Acceso en línea:https://doaj.org/article/c5880840a69d4f4e9f37fcd0a710557e
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spelling oai:doaj.org-article:c5880840a69d4f4e9f37fcd0a710557e2021-12-01T07:07:54ZResearch on PDMA system based on complementary sequence and low complexity detection algorithm1751-86361751-862810.1049/cmu2.12303https://doaj.org/article/c5880840a69d4f4e9f37fcd0a710557e2021-12-01T00:00:00Zhttps://doi.org/10.1049/cmu2.12303https://doaj.org/toc/1751-8628https://doaj.org/toc/1751-8636Abstract With the intensive deployment of mobile networks and the vigorous development of new multimedia services, video has gradually become the mainstream of cultural consumption. The contradiction between the proliferation of video data services and the scarcity of spectrum resources has brought great challenges to the current network resource allocation. Non‐orthogonal multiple access (NOMA) can be used to solve this problem by signal superposition and spectrum multiplexing to improve system access capability. As a new type of joint optimization design of transmitter and receiver side, PDMA has high research value. In this paper, a framework of PDMA video transmission system based on H.264 video compression coding (HVC‐PDMA) is proposed. Poly complementary sequence (PCS) spread spectrum coding is performed on the transmission codebook in order to improve the transmission accuracy. Meanwhile, a low complexity serial sphere compensated Max‐log MPA (SSCM‐MPA) algorithm is proposed to reduce the complexity of the multi‐user detection algorithm. Simulation results show that the PCS spread spectrum can improve system throughput and peak signal‐to‐noise ratio (PSNR) while reducing bit error rate (BER). SSCM‐MPA algorithm can greatly reduce the complexity and improve the transmission efficiency.Shufeng LiBaoxin SuLibiao JinYao SunZhiping XiaWileyarticleTelecommunicationTK5101-6720ENIET Communications, Vol 15, Iss 20, Pp 2586-2596 (2021)
institution DOAJ
collection DOAJ
language EN
topic Telecommunication
TK5101-6720
spellingShingle Telecommunication
TK5101-6720
Shufeng Li
Baoxin Su
Libiao Jin
Yao Sun
Zhiping Xia
Research on PDMA system based on complementary sequence and low complexity detection algorithm
description Abstract With the intensive deployment of mobile networks and the vigorous development of new multimedia services, video has gradually become the mainstream of cultural consumption. The contradiction between the proliferation of video data services and the scarcity of spectrum resources has brought great challenges to the current network resource allocation. Non‐orthogonal multiple access (NOMA) can be used to solve this problem by signal superposition and spectrum multiplexing to improve system access capability. As a new type of joint optimization design of transmitter and receiver side, PDMA has high research value. In this paper, a framework of PDMA video transmission system based on H.264 video compression coding (HVC‐PDMA) is proposed. Poly complementary sequence (PCS) spread spectrum coding is performed on the transmission codebook in order to improve the transmission accuracy. Meanwhile, a low complexity serial sphere compensated Max‐log MPA (SSCM‐MPA) algorithm is proposed to reduce the complexity of the multi‐user detection algorithm. Simulation results show that the PCS spread spectrum can improve system throughput and peak signal‐to‐noise ratio (PSNR) while reducing bit error rate (BER). SSCM‐MPA algorithm can greatly reduce the complexity and improve the transmission efficiency.
format article
author Shufeng Li
Baoxin Su
Libiao Jin
Yao Sun
Zhiping Xia
author_facet Shufeng Li
Baoxin Su
Libiao Jin
Yao Sun
Zhiping Xia
author_sort Shufeng Li
title Research on PDMA system based on complementary sequence and low complexity detection algorithm
title_short Research on PDMA system based on complementary sequence and low complexity detection algorithm
title_full Research on PDMA system based on complementary sequence and low complexity detection algorithm
title_fullStr Research on PDMA system based on complementary sequence and low complexity detection algorithm
title_full_unstemmed Research on PDMA system based on complementary sequence and low complexity detection algorithm
title_sort research on pdma system based on complementary sequence and low complexity detection algorithm
publisher Wiley
publishDate 2021
url https://doaj.org/article/c5880840a69d4f4e9f37fcd0a710557e
work_keys_str_mv AT shufengli researchonpdmasystembasedoncomplementarysequenceandlowcomplexitydetectionalgorithm
AT baoxinsu researchonpdmasystembasedoncomplementarysequenceandlowcomplexitydetectionalgorithm
AT libiaojin researchonpdmasystembasedoncomplementarysequenceandlowcomplexitydetectionalgorithm
AT yaosun researchonpdmasystembasedoncomplementarysequenceandlowcomplexitydetectionalgorithm
AT zhipingxia researchonpdmasystembasedoncomplementarysequenceandlowcomplexitydetectionalgorithm
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