386 search results - page 52 / 78 » Achievable Rates for the Gaussian Interference Relay Channel |
TWC
2008
13 years 7 months ago
2008
Differential, transmitted reference (TR) and energy detection (ED) based ultra-wideband impulse radios (UWBIR) can collect the rich multipath energy offered by UWB channels with a ...
ICASSP
2010
IEEE
13 years 7 months ago
2010
IEEE
In many half-duplex cooperative systems, the direct formulation of the problem of finding the jointly optimal power and channel resource allocation that maximizes a weighted sum ...
CORR
2008
Springer
13 years 7 months ago
2008
Springer
This paper presents a cross-layer approach to jointly design adaptive modulation and coding (AMC) at the physical layer and cooperative truncated automatic repeat request (ARQ) pro...
TCOM
2011
13 years 2 months ago
2011
This paper proposes an adaptive multi-mode transmission strategy to improve the spectral efficiency achieved in the multiple-input multiple-output (MIMO) broadcast channel with d...
CISS
2008
IEEE
14 years 2 months ago
2008
IEEE
—We investigate the effects of user cooperation on the secrecy of multiple access channels with generalized feedback (MAC-GF). We show that cooperation can increase the achievabl...