Cooperative Spectrum Sharing in OFDM Two-Way Relay Systems With Bidirectional Transmissions

被引：13

作者：

Lu, Weidang ^{[1
]}

Zhang, Yingjun ^{[2
]}

Wang, Mengyun ^{[1
]}

Liu, Xin ^{[3
]}

Hua, Jingyu ^{[1
]}

机构：

[1] Zhejiang Univ Technol, Sch Informat Engn, Hangzhou 311122, Zhejiang, Peoples R China

[2] Chinese Univ Hong Kong, Dept Informat Engn, Hong Kong, Hong Kong, Peoples R China

[3] Dalian Univ Technol, Sch Informat & Commun Engn, Dalian 116023, Peoples R China

来源：

IEEE COMMUNICATIONS LETTERS | 2017年 / 21卷 / 06期

基金：

中国国家自然科学基金;

关键词：

Bidirectional transmission; cooperative spectrum sharing; OFDM; subcarrier and power allocation; two-way relaying;

D O I：

10.1109/LCOMM.2017.2669960

中图分类号：

TN [电子技术、通信技术];

学科分类号：

0809 ;

摘要：

In this letter, we propose a cooperative spectrum sharing protocol, where both primary users (PUs) and secondary users (SUs) achieve bidirectional transmission. In particular, the SUs help PUs to achieve their bidirectional target rates through orthogonal frequency division multiplexing two-way relaying. In return, the PUs allow SUs to communicate bidirectionally on a subset of subcarriers. Subcarrier and power allocation are jointly optimized for both directions to maximize the SU data rate, given that the PUs' target rate is satisfied. Simulation results demonstrate a significant enhancement in spectrum efficiency compared with several benchmark schemes.

引用

页码：1349 / 1352

页数：4

共 50 条

[41] Research on users joint precoding and detection in two-way relay systems [J].

Wang, Lin ;

Rui, Guo-Sheng ;

Zhang, Hai-Bo .

Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, 2015, 37 (07) :1550-1555

[42] A Cooperative Multihop Transmission Scheme for Two-Way Amplify-and-Forward Relay Networks [J].

Wang, Chin-Liang ;

Cho, Ting-Nan ;

Tsai, Tsung-Hsien ;

Jan, Min-Chau .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2017, 66 (09) :8569-8574

[43] Opportunistic relaying and power allocation for bidirectional regenerative relaying in asymmetric two-way relay channels [J].

Ji, Xiao-Dong ;

Zheng, Bao-Yu ;

Cui, Jing-Wu .

Dianzi Yu Xinxi Xuebao/Journal of Electronics and Information Technology, 2013, 35 (07) :1707-1712

[44] Joint Source and Relay Precoding Design for MIMO Two-Way Relay Systems With Transceiver Impairments [J].

You, Jiayi ;

Liu, Erwu ;

Wang, Rui ;

Su, Weideng .

IEEE COMMUNICATIONS LETTERS, 2017, 21 (03) :572-575

[45] Joint CFO and Channel Estimation for ZP-OFDM Modulated Two-Way Relay Networks [J].

Wang, Gongpu ;

Gao, Feifei ;

Wu, Yik-Chung ;

Tellambura, Chintha .

2010 IEEE WIRELESS COMMUNICATIONS AND NETWORKING CONFERENCE (WCNC 2010), 2010,

[46] Low Complexity Power Allocation for Two-Way Decode-and-Forward OFDM Relay Networks [J].

He, Fei ;

Chen, Xiang ;

Xiao, Limin ;

Zhou, Shidong .

2016 IEEE/CIC INTERNATIONAL CONFERENCE ON COMMUNICATIONS IN CHINA (ICCC), 2016,

[47] Achievable SNR and Rate Regions for OFDM-based Asynchronous Two-way Relay Networks [J].

Mirzaei, Javad ;

ShahbazPanahi, Shahram .

2014 IEEE 15th International Workshop on Signal Processing Advances in Wireless Communications (SPAWC), 2014, :105-109

[48] Low-Complexity Relay Precoder Designs for Two-Way AF MIMO Relay Systems [J].

Wang, Chin-Liang ;

Chen, Jyun-Yu ;

Peng, Yi-Hsuan .

2016 IEEE INTERNATIONAL CONFERENCE ON COMMUNICATIONS (ICC), 2016,

[49] Network-Coded Two-Way Relaying in Spectrum-Sharing Systems With Quality-of-Service Requirements [J].

Hatamnia, Sajad ;

Vahidian, Saeed ;

Aissa, Sonia ;

Champagne, Benoit ;

Ahmadian-Attari, Mahmoud .

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY, 2017, 66 (02) :1299-1312

[50] Cooperative Non-Orthogonal Multiple Access Scheme for Cellular Two-Way Relay Networks [J].

Yingzhi Zhaoxi Fang ;

En Lu ;

Keli Fan ;

Haiping Hu .

Journal of Communications Technology and Electronics, 2021, 66 :S159-S164

← 1 2 3 4 5 →