Downlink throughput enhancement of IEEE 802.11a/g using SDMA with a multi-antenna access point

作者：Kuminskiy AM^*; Karimi HR; Morgan DR; Papadias CB; Avidor D; Ling J

来源：Signal Processing, 2006, 86(8): 1896-1910.

DOI：10.1016/j.sigpro.2005.09.032

• IEEE 802.11a/g
• space division multiple access (SDMA)
• multi-antenna access point
• legacy terminal

We address the problem of downlink throughput improvement for IEEE 802.11a/g systems by using a modified access point 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 proposed for a conference room scenario. A simulation is based on channel models approved by the IEEE 802.11 Standards 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.

• 出版日期2006-8