Title :
Generalised multiuser detection in TD-CDMA
Author :
Jones, Alan E. ; Wong, Shin Horng
Author_Institution :
IPWireless, Chippenham, UK
fDate :
30 May-1 June 2005
Abstract :
We describe how intercell interference can be mitigated in the uplink of UTRA TDD (TD-CDMA). The intercell interference mitigation technique is based on reusing existing multiuser detector architectures that are derived from linear receivers. Through simulation results we determine the efficiency of the scheme when operating under different channel conditions, with different numbers of users and different levels of intercell interference. Using a simple TD-CDMA uplink capacity equation we demonstrate the potential performance improvement Finally, we present experimental results from a TD-CDMA system that has intercell interference mitigation enabled.
Keywords :
cellular radio; code division multiple access; multiuser detection; radiofrequency interference; telecommunication channels; time division multiple access; time division multiplexing; TD-CDMA; UTRA TDD; intercell interference; interference mitigation; multiuser detection; uplink capacity equation; Additive noise; Additive white noise; Covariance matrix; Detectors; Downlink; Equalizers; Frequency; Interference; Multiuser detection; Throughput;
Conference_Titel :
Vehicular Technology Conference, 2005. VTC 2005-Spring. 2005 IEEE 61st
Print_ISBN :
0-7803-8887-9
DOI :
10.1109/VETECS.2005.1543621
