A new TDMA-based Cooperative MAC Scheme

被引：0

作者：

Liu, Xinyu ^{[1
]}

Chen, Cheng ^{[1
]}

Huang, An ^{[1
]}

Zhou, Qing F. ^{[1
]}

机构：

[1] Hefei Univ Technol, Sch Comp & Informat, Dept Commun Engn, Hefei, Peoples R China

来源：

2015 22ND INTERNATIONAL CONFERENCE ON TELECOMMUNICATIONS (ICT) | 2015年

关键词：

Cooperative MAC; TDMA; Throughput; WIRELESS NETWORKS; DIVERSITY; PROTOCOL;

D O I：

暂无

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a new TDMA-based cooperative MAC scheme for a two-hop relay network in which there are several helpers besides a default relay node. Here, a helper has lower obligation than the default relay to help packet forwarding. The proposed method is developed from the existing CR-TDMA scheme, and named as opportunistic CR-TDMA or OCR-TDMA. We derive the throughput performance of CR-TDMA and OCR-TDMA. Both the theoretical analysis and simulation results demonstrate that OCR-TDMA provides superior throughput performance compared with CR-TDMA, even though OCR-TDMA is a limited modification of CR-TDMA. Amazingly, the OCR-TDMA gains remarkable cooperation benefit even when the helpers have low resource and capability to cooperate.

引用

页码：48 / 53

页数：6

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