NDLI: 802.11 mesh networks with two-radio access points

Content Provider	IEEE Xplore Digital Library
Author	Jing Zhu Roy, S.
Copyright Year	2005
Description	Author affiliation: Commun. Technol. Lab., Intel Corp., Hillsboro, OR, USA (Jing Zhu)
Abstract	We propose a mesh (multi-hop) architecture based on two-radio 802.11 access points (AP) and examine achievable aggregate throughput by exploiting spatial reuse and multiple channels. A suitable distributed clustering is used to self-organize the network for channel allocation; all communications between nodes in the same cluster (intra-cluster) use the secondary radio and a common channel whose selection is based on an algorithm that minimizes the cochannel interference (CCI). This dramatically reduces complexity compared to per-packet channel switching approaches. All intercluster communications are performed on a common channel using the default (primary) radio. Backward compatibility is guaranteed by allowing legacy single-channel APs to connect to the new two-radio devices through the common default radio. Simulation results for large-scale IEEE 802.11b networks demonstrate the significant improvement in one-hop aggregate throughput. Specifically, the new two-radio multi-channel mesh solution more than doubles the aggregate throughput compared to the traditional single-radio single-channel mesh.
Starting Page	3609
Ending Page	3615
File Size	713209
Page Count	7
File Format	PDF
ISBN	0780389387
DOI	10.1109/ICC.2005.1495090
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2005-05-16
Publisher Place	South Korea
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Mesh networks Aggregates Throughput Wireless LAN Channel allocation Large-scale systems Isolation technology Wireless application protocol Communications technology Clustering algorithms
Content Type	Text
Resource Type	Article

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