Downlink SDMA for IEEE 802.11A/G: A Means for Improving Legacy Mobile Throughput Using a Multi-Antenna Access Point

Author

Kuzminskiy, Alexandr M. ; Karimi, Hamid Reza ; Morgan, Dennis R. ; Papadias, Constantinos B. ; Avidor, Dan ; Ling, Jonathan

Author_Institution

Quadrant, Swindon

Volume

1

fYear

2005

fDate

11-14 Sept. 2005

Firstpage

397

Lastpage

401

Abstract

We address the problem of downlink throughput improvement for IEEE 802.11a/g systems by using a modified access point (AP) equipped with multiple antennas. The main restriction is that the standard terminals should not be modified in any way. An alternating time-offset space division multiple access (SDMA) solution is considered for a conference room scenario. A simulation is based on channel models approved by the IEEE 802.11 Standard Group and takes into account the main features of the IEEE 802.11a/g standard. It is demonstrated that a near doubling of downlink capacity can be achieved in a conference room environment

Keywords

IEEE standards; antenna arrays; channel capacity; mobile radio; radio links; space division multiple access; wireless LAN; wireless channels; IEEE 802.11; channel models; conference room scenario; downlink SDMA; downlink capacity; legacy mobile throughput; multiantenna access point; time-offset space division multiple access; Channel estimation; Downlink; Multiaccess communication; OFDM; Protocols; Signal processing algorithms; Throughput; Transmitting antennas; USA Councils; Wireless LAN;

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2005. PIMRC 2005. IEEE 16th International Symposium on

Conference_Location

Berlin

Print_ISBN

9.7838007291e+012

Type

conf

DOI

10.1109/PIMRC.2005.1651466

Filename

1651466