125 search results - page 3 / 25 » On the Study of Network Coded AF Transmission Protocol for W... |
TWC
2008
13 years 8 months ago
2008
In this paper, we provide a complete study on the training based channel estimation issues for relay networks that employ the amplify-and-forward (AF) transmission scheme. We first...
ICNP
2002
IEEE
14 years 1 months ago
2002
IEEE
We present the hybrid activation multiple access (HAMA) protocol for ad hoc networks. Unlike previous channel access scheduling protocols that activate either nodes or links only,...
IJAHUC
2007
13 years 8 months ago
2007
: Medium Access Control (MAC) and resource allocation are two challenging issues in mobile network. Packet reservation multiple access (PRMA) is considered as a promising MAC proto...
TSP
2011
13 years 3 months ago
2011
In this paper, we study the application of physical layer network coding to the joint design of uplink and downlink transmissions, where the base station and the relay have multip...
ICASSP
2011
IEEE
13 years 9 days ago
2011
IEEE
Abstract—Temporal Dynamic Spectrum Access (DSA) in Cognitive Radio Networks exploits time gaps between the primary users transmissions. In this work, the fundamental performance ...