Carrier-Sense Multiple Access with Collision Avoidance and Detection

被引：14
作者：
Garcia-Luna-Aceves, J. J. [1 ,2 ]
机构：
[1] Univ Calif Santa Cruz, Comp Engn Dept, Santa Cruz, CA 95064 USA
[2] PARC, Palo Alto, CA 94304 USA
来源：
PROCEEDINGS OF THE 20TH ACM INTERNATIONAL CONFERENCE ON MODELLING, ANALYSIS AND SIMULATION OF WIRELESS AND MOBILE SYSTEMS (MSWIM'17) | 2017年
关键词：
channel access; collision avoidance; carrier-sense multiple access;
D O I：
10.1145/3127540.3127551
中图分类号：
TP301 [理论、方法];
学科分类号：
081202 ;
摘要：
Carrier-Sense Multiple Access with Collision Avoidance and Detection (CSMA/CAD) is introduced and analyzed. The new protocol operates in a single channel and consists of taking advantage of self-interference cancellation to enable collision detection (CD) in the context of collision-avoidance (CA) handshakes in multi-hop wireless networks. It is shown that CSMA/CAD eliminates the collisions of data packets in the presence of hidden terminals. The throughput of CSMA/CAD is analyzed and compared with the throughput of CSMA, CSMA/CA, and dual busy-tone multiple access (DBTMA). The analysis results show that CSMA/CAD provides better performance than the other channel-access schemes aimed at combating hidden terminals, and that the throughput degradation due to hidden terminals in CSMA/CAD is limited compared to CSMA.
引用
收藏
页码：53 / 61
页数：9
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