70 search results - page 14 / 14 » On the capacity region of multiple-access relay channels |
TWC
2008
13 years 5 months ago
2008
Power efficiency is a capital issue in the study of mobile wireless nodes owing to constraints on their battery size and weight. In practice, especially for low-power nodes, it is ...
ICASSP
2010
IEEE
13 years 5 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
2010
Springer
13 years 5 months ago
2010
Springer
Abstract-Recently, the duality between Multiple Input Multiple Output (MIMO) Multiple Access Channels (MAC) and MIMO Broadcast Channels (BC) has been established under a total powe...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— We address a lifetime maximization problem for a single-hop wireless sensor network where multiple sensors encode and communicate their measurements of a Gaussian random source...
JSAC
2011
12 years 8 months ago
2011
—We consider a communication channel with two transmitters and one receiver, with an underlying rate region which is approximated as a general pentagon. Different from the Gaussi...