FlashLinQ: A Synchronous Distributed Scheduler for Peer-to-Peer Ad Hoc Networks

被引：196
|
作者：
Wu, Xinzhou [1 ]
Tavildar, Saurabha [1 ]
Shakkottai, Sanjay [2 ]
Richardson, Tom [1 ]
Li, Junyi [1 ]
Laroia, Rajiv [1 ]
Jovicic, Aleksandar [1 ]
机构：
[1] Qualcomm New Jersey Res Ctr, Bridgewater, NJ 08807 USA
[2] Univ Texas Austin, Elect & Comp Engn Dept, Austin, TX 78759 USA
来源：
IEEE-ACM TRANSACTIONS ON NETWORKING | 2013年 / 21卷 / 04期
关键词：
Ad hoc networks; distributed scheduling; wireless communications; CONGESTION CONTROL; WIRELESS;
D O I：
10.1109/TNET.2013.2264633
中图分类号：
TP3 [计算技术、计算机技术];
学科分类号：
0812 ;
摘要：
This paper proposes FlashLinQ-a synchronous peer-to-peer wireless PHY/MAC network architecture. FlashLinQ leverages the fine-grained parallel channel access offered by OFDM and incorporates an analog energy-level-based signaling scheme that enables signal-to-interference ratio (SIR)-based distributed scheduling. This new signaling mechanism, and the concomitant scheduling algorithm, enables efficient channel-aware spatial resource allocation, leading to significant gains over a CSMA/CA system using RTS/CTS. FlashLinQ is a complete system architecture including: 1) timing and frequency synchronization derived from cellular spectrum; 2) peer discovery; 3) link management; and 4) channel-aware distributed power, data rate, and link scheduling. FlashLinQ has been implemented for operation over licensed spectrum on a digital signal processor/field-programmable gate array (DSP/FPGA) platform. In this paper, we present FlashLinQ performance results derived from both measurements and simulations.
引用
收藏
页码：1215 / 1228
页数：14
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