Trace Aloha for Random Multiple Access in Wireless MIMO Networks

In this paper, we propose and evaluate the Trace Aloha protocol for distributed medium access control in wireless MIMO networks. We study the case in which a node only knows the MIMO channel matrix from the node to the access point and the total number of nodes in the network. Given a MIMO channel m...

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Bibliographic Details
Published in:IEEE communications letters 2012-06, Vol.16 (6), p.882-885
Main Author: GAU, Rung-Hung
Format: Article
Language:English
Subjects:
Access control
Access methods and protocols, osi model
Applied sciences
Channels
Exact sciences and technology
Indexes
Mathematical analysis
Medium access control
MIMO
Multiple access
Networks
Protocols
random multiple access
Random variables
Simulation
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Thresholds
Throughput
Transmission and modulation (techniques and equipments)
Wireless communication
wireless networks
Wireless sensor networks
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Description
Summary:In this paper, we propose and evaluate the Trace Aloha protocol for distributed medium access control in wireless MIMO networks. We study the case in which a node only knows the MIMO channel matrix from the node to the access point and the total number of nodes in the network. Given a MIMO channel matrix, a node could calculate the corresponding singular values. According to the Trace Aloha protocol, a node transmits data if and only if the sum of the squared singular values exceeds a predetermined threshold. We use both analytical results and simulation results to justify the usage of the proposed protocol.
ISSN:1089-7798
1558-2558
DOI:10.1109/LCOMM.2012.042312.120755