REX: A Randomized EXclusive Region Based Scheduling Scheme for mmWave WPANs with Directional Antenna

被引：171

作者：

Cai, Lin X. ^{[1
]}

Cai, Lin ^{[2
]}

Shen, Xuemin ^{[1
]}

Mark, Jon W. ^{[1
]}

机构：

[1] Univ Waterloo, Dept Elect & Comp Engn, Ctr Wireless Commun, Waterloo, ON N2L 3G1, Canada

[2] Univ Victoria, Dept Elect & Comp Engn, Victoria, BC V8W 2Y2, Canada

来源：

IEEE TRANSACTIONS ON WIRELESS COMMUNICATIONS | 2010年 / 9卷 / 01期

基金：

加拿大自然科学与工程研究理事会;

关键词：

Resource management; exclusive region; service scheduling; spatial multiplexing gain; mmWave WPAN;

D O I：

10.1109/TWC.2010.01.070503

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：

Millimeter-wave (mmWave) transmissions are promising technologies for high data rate (multi-Gbps) Wireless Personal Area Networks (WPANs). In this paper, we first introduce the concept of exclusive region (ER) to allow concurrent transmissions to explore the spatial multiplexing gain of wireless networks. Considering the unique characteristics of mmWave communications and the use of omni-directional or directional antennae, we derive the ER conditions which ensure that concurrent transmissions can always outperform serial TDMA transmissions in a mmWave WPAN. We then propose REX, a randomized ER based scheduling scheme, to decide a set of senders that can transmit simultaneously. In addition, the expected number of flows that can be scheduled for concurrent transmissions is obtained analytically. Extensive simulations are conducted to validate the analysis and demonstrate the effectiveness and efficiency of the proposed REX scheduling scheme. The results should provide important guidelines for future deployment of mmWave based WPANs.

引用

页码：113 / 121

页数：9

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