Throughput behavior in multihop multiantenna wireless networks

Bechir Hamdaoui; Kang G. Shin

doi:10.1109/TMC.2009.58

Throughput behavior in multihop multiantenna wireless networks

Bechir Hamdaoui^*, Kang G. Shin

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

6 Citations (Scopus)

Abstract

Multiantenna or MIMO systems offer great potential for increasing the throughput of multihop wireless networks via spatial reuse and/or spatial multiplexing. This paper characterizes and analyzes the maximum achievable throughput in multihop, MIMO-equipped, wireless networks under three MIMO protocols, spatial reuse only (SRP), spatial multiplexing only (SMP), and spatial reuse and multiplexing (SRMP), each of which enhances the throughput, but via a different way of exploiting MIMO's capabilities. We show via extensive simulation that as the number of antennas increases, the maximum achievable throughput first rises and then flattens out asymptotically under SRP, while it increases almost linearly under SMP or SRMP. We also evaluate the effects of several network parameters on this achievable throughput, and show how throughput behaves under these effects.

Original language	English
Article number	4803841
Pages (from-to)	1480-1494
Number of pages	15
Journal	IEEE Transactions on Mobile Computing
Volume	8
Issue number	11
DOIs	https://doi.org/10.1109/TMC.2009.58
Publication status	Published - Nov 2009
Externally published	Yes

Keywords

End-to-end network throughput
MIMO systems
Multihop wireless networks.

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10.1109/TMC.2009.58

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AB - Multiantenna or MIMO systems offer great potential for increasing the throughput of multihop wireless networks via spatial reuse and/or spatial multiplexing. This paper characterizes and analyzes the maximum achievable throughput in multihop, MIMO-equipped, wireless networks under three MIMO protocols, spatial reuse only (SRP), spatial multiplexing only (SMP), and spatial reuse and multiplexing (SRMP), each of which enhances the throughput, but via a different way of exploiting MIMO's capabilities. We show via extensive simulation that as the number of antennas increases, the maximum achievable throughput first rises and then flattens out asymptotically under SRP, while it increases almost linearly under SMP or SRMP. We also evaluate the effects of several network parameters on this achievable throughput, and show how throughput behaves under these effects.

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Throughput behavior in multihop multiantenna wireless networks

Abstract

Keywords

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