103 search results - page 8 / 21 » Multiuser capacity in block fading with no channel state inf... |
TWC
2008
13 years 7 months ago
2008
Conventional hybrid automatic retransmission request (HARQ) is usually used to maximize throughput. However, high throughput is achieved at the expense of high latency. We study a...
ICC
2008
IEEE
14 years 1 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...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—Resource allocation is investigated for fading relay channels under separate power constraints at the source and relay nodes. As a basic information-theoretic model for fading r...
ICC
2008
IEEE
14 years 1 months ago
2008
IEEE
— Feedback of channel state information (CSI) enables a multi-carrier transmitter to optimize the power allocation across sub-channels. We consider a single user feedback scheme ...
CORR
2007
Springer
13 years 7 months ago
2007
Springer
—This paper addresses three issues in the field of ad hoc network capacity: the impact of i) channel fading, ii) channel inversion power control, and iii) threshold–based sche...