Title :
Medium Access Control for Multi-Antenna Networks using Multi-User Coding
Author :
Shaw, Christopher G. ; Peel, Christian B. ; Swindlehurst, A. Lee
Author_Institution :
Electr. & Comput. Eng. Dept., Brigham Young Univ., Provo, UT
fDate :
Oct. 29 2006-Nov. 1 2006
Abstract :
We present medium access controllers (MAC) for ad-hoc networks which include uplink and downlink multi-user physical layer models as well as multiple antennas. We note the advantages of these MACs over those in the literature, including a multi-antenna version of the CSMA/CA protocol used in the distributed coordination function (DCF) mode of the IEEE 802.11 MAC. Specifically, our MAC is among the first to explicitly consider multi-user techniques in an ad-hoc network, which results in superior rate performance. We include interference and network topology in the design of our protocols. We characterize MAC controllers in terms of transport capacity, and present numerical results which show the benefit of multi-user techniques in the physical layer.
Keywords :
access protocols; ad hoc networks; antenna arrays; telecommunication network topology; wireless LAN; CSMA/CA protocol; IEEE 802.11 MAC; ad-hoc networks; distributed coordination function; interference; medium access control; multiantenna networks; multiuser coding; network topology; physical layer models; Ad hoc networks; Downlink; Fading; Interference; Media Access Protocol; Multiaccess communication; Network topology; Physical layer; Throughput; Wireless networks;
Conference_Titel :
Signals, Systems and Computers, 2006. ACSSC '06. Fortieth Asilomar Conference on
Conference_Location :
Pacific Grove, CA
Print_ISBN :
1-4244-0784-2
Electronic_ISBN :
1058-6393
DOI :
10.1109/ACSSC.2006.356594