TWC
2010
12 years 11 months ago
2010
In this paper, we evaluate the performance of a Medium Access Control (MAC) protocol for MIMO ad hoc networks under imperfect channel estimation. To this end, we also present an an...
TWC
2008
13 years 4 months ago
2008
Abstract--Assuming imperfect channel estimation, we propose an improved detector for orthogonal frequency-division multiplexing (OFDM) systems over a frequency-selective fading cha...
CORR
2007
Springer
13 years 4 months ago
2007
Springer
— The optimal decoder achieving the outage capacity under imperfect channel estimation is investigated. First, by searching into the family of nearest neighbor decoders, which ca...
GLOBECOM
2006
IEEE
13 years 10 months ago
2006
IEEE
Abstract— In this paper, multiple access channels are considered in which user data rates increase with the signal-to-noise ratio (SNR). To account for channel estimation errors,...
ICC
2008
IEEE
13 years 10 months ago
2008
IEEE
—In this work, we study the effect of imperfect channel-state information (CSI) on the stability and delay of a two-user channel-aware slotted ALOHA system. We assume that the ch...
ICC
2008
IEEE
13 years 10 months ago
2008
IEEE
—In this paper we present an analytical approach to evaluate the M-QAM bit error rate (BER) as well as channel capacity of Alamouti space time coded OFDM systems in case of direc...
ICC
2008
IEEE
13 years 10 months ago
2008
IEEE
— Recently a number of transmission schemes have been introduced to achieve sum capacity for multiuser multiinput multi-output (MIMO) broadcast channels (BC). A block diagonaliza...
ICASSP
2008
IEEE
13 years 10 months ago
2008
IEEE
The performance of multiuser detection (MUD) algorithms for codedivision multiple-access (CDMA) systems depends on the accuracy of channel estimates. Such estimates are typically ...
GLOBECOM
2008
IEEE
13 years 10 months ago
2008
IEEE
—In this paper, we propose an analytical technique to evaluate the statistics of the channel estimation error in a simple multi-user ad hoc networking scenario. This problem is v...