7272 search results - page 79 / 1455 » On the Performance of Selection Relaying |
SECON
2007
IEEE
14 years 2 months ago
2007
IEEE
— Multiuser diversity is a phenomenon caused by channel variations among different users in a wireless network. Cooperative relaying provides another form of diversity due to the...
GLOBECOM
2008
IEEE
13 years 9 months ago
2008
IEEE
— In this work, we consider differential modulation in two-way relay channels (TWRC). In single antenna systems, we propose non-coherent schemes for both amplify-and forward (AF)...
CORR
2008
Springer
13 years 8 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...
HIPC
2009
Springer
13 years 6 months ago
2009
Springer
We investigate the problem of scheduling in OFDMbased multihop relay networks with special emphasis on IEEE 802.16j based WiMAX networks. In such networks, scheduling is the probl...
ICASSP
2011
IEEE
12 years 12 months ago
2011
IEEE
We consider the problem of minimizing the cost of the power required to achieve a specified level of quality-of-service (QoS) on a point-to-point link that may be assisted by an ...