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
收藏
页码：48 / 53
页数：6
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