Browse

Effective SNR Based MIMO Switching in Mobile WiMAX Systems

Cited 0 time in Web of Science Cited 0 time in Scopus
Authors
Kim, Myoung-Seob; Lee, Yong-Hwan
Issue Date
2007-10
Citation
Proc. Wireless Broadband World Forum (WBWF), Oct. 2007
Keywords
Effective SNRSwitchingMIMOMobile WiMAX System
Abstract
The mobile WiMAX system considers the use of (2×2)
multiple-input multiple-output (MIMO) schemes for
performance improvement. It is required for mobile
stations to appropriately switch the MIMO mode; space–
time block code (STBC) or vertical spatial multiplexing
(VSM). In this paper we consider a novel switching
scheme for the MIMO mode based on effective signal-tonoise
ratio. Assuming the use of a minimum mean square
error (MMSE) receiver for the VSM and a maximum ratio
combining receiver for the STBC, the threshold for the
mode switching is analytically derived in a closed form.
Simulation results show that the proposed switching
scheme outperforms conventional switching schemes in
terms of the capacity and outage probability.
Language
English
URI
http://hdl.handle.net/10371/7125
Files in This Item:
Appears in Collections:
College of Engineering/Engineering Practice School (공과대학/대학원)Dept. of Electrical and Computer Engineering (전기·정보공학부)Others_전기·정보공학부
  • mendeley

Items in S-Space are protected by copyright, with all rights reserved, unless otherwise indicated.

Browse