Title :
Adaptive multielement DFE receivers for narrowband multiuser detection
Author :
Fulghum, Tracy ; Duel-Hallen, Alexandra
Abstract :
The performance of adaptive multielement decision feedback equalization (DFE) receiver structures is examined for a narrowband, two-user space division multiple access (SDMA) system with a TDMA slot structure similar to that of the Digital Advanced Mobile Phone Service (DAMPS). Various means of coupling or cross-feedback of decisions between user receiver sections at the base station are explored, as well as a slot-to-slot adaptive receiver structure. It is found that the cross-feedback of decisions between user receiver sections is an effective means of regaining diversity benefits lost due to the addition of a user to the narrowband system
Keywords :
adaptive equalisers; adaptive signal detection; cochannel interference; decision feedback equalisers; digital radio; diversity reception; interference suppression; land mobile radio; radio receivers; time division multiple access; DAMPS; Digital Advanced Mobile Phone Service; SDMA system; TDMA slot structure; adaptive multielement DFE receivers; base station; cochannel interference; decision feedback equalization; decisions coupling; decisions cross-feedback; diversity; narrowband multiuser detection; narrowband system; space division multiple access; user receiver sections; Antenna arrays; Decision feedback equalizers; Fading; Frequency; Multiaccess communication; Multiuser detection; Narrowband; Phased arrays; Receiving antennas; Time division multiple access;
Conference_Titel :
Vehicular Technology Conference, 1998. VTC 98. 48th IEEE
Conference_Location :
Ottawa, Ont.
Print_ISBN :
0-7803-4320-4
DOI :
10.1109/VETEC.1998.686469
