A Node-Based Time Slot Assignment Algorithm for STDMA Wireless Mesh Networks

被引：8

作者：

Chen, Weiwei ^{[1
]}

Lea, Chin-Tau ^{[2
]}

机构：

[1] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Internet Switching Technol Lab, Kowloon, Hong Kong, Peoples R China

[2] Hong Kong Univ Sci & Technol, Dept Elect & Comp Engn, Kowloon, Hong Kong, Peoples R China

来源：

IEEE TRANSACTIONS ON VEHICULAR TECHNOLOGY | 2013年 / 62卷 / 01期

关键词：

Multihop routing; multiuser diversity; spatial time-division multiple-access (STDMA) wireless networks; time slot assignment; POWER-CONTROL; SPATIAL TDMA; OPTIMIZATION;

D O I：

10.1109/TVT.2012.2214492

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：

Most slot assignment algorithms that are proposed for spatial time-division multiple-access (STDMA) mesh networks use a simplified transmission model that does not consider the time-varying fading characteristic of a wireless channel. In addition, these algorithms are usually link based, and scheduling in each slot is fixed and done for links. When the scheduled link is in deep fade or has no traffic, the slot that is given to that link will be wasted. In this paper, we present a node-based slot assignment scheme in which scheduling in each slot is done for nodes and not links. Because a node has multiple links, it can exploit multiuser diversity, i.e., different links have different traffic and fading conditions, to achieve much better performance.

引用

页码：272 / 283

页数：12

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