169 search results - page 25 / 34 » Adaptive Coded Modulation for Fading Channels |
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
— We propose a joint power- and rate-control scheme to broadcast a multiplicity of video sequences over a broadcast channel. The formulation is intended to be general in scope, w...
ICC
2007
IEEE
14 years 1 months ago
2007
IEEE
Abstract— This paper presents precoding design for errorrate improvement in closed-loop multiuser orthogonal space-time block-coded (OSTBC) multiple-input multiple-output (MIMO) ...
IMA
1999
Springer
13 years 12 months ago
1999
Springer
Abstract. In this paper we introduce three soft-decision decoding algorithms for Reed-Solomon (RS) codes. We compare them in terms of performance over both the AWGN and Rayleigh Fa...
CORR
2010
Springer
13 years 6 months ago
2010
Springer
The previous link adaptation algorithms on ofdm based systems use equal modulation order for all sub carrier index within a block. For multimedia transmission using ofdm as the mo...
TCOM
2010
13 years 2 months ago
2010
In this paper, we construct nonbinary quasi-cyclic low-density parity-check (QC-LDPC) codes whose parity check matrices consist of an array of square sub-matrices which are either ...