72 search results - page 3 / 15 » Symbol Based Rate Adaptation in Coded MIMO-OFDM Systems |
ICHIT
2009
Springer
14 years 25 days ago
2009
Springer
In this paper we provide an adaptive modulation approach that uses adaptive pilot symbols which both pilot spacing and power allocation on pilot symbols are optimized in single in...
TWC
2008
13 years 6 months ago
2008
Wireless networks, and especially wireless sensor networks, have complexity and energy constraints, within which they must confront the challenging wireless fading environment. In ...
GLOBECOM
2008
IEEE
14 years 21 days ago
2008
IEEE
—In a distributed wireless network, it is possible to employ several relays and mimic a multiple antenna transmission system. In this paper we propose a MAC layer solution that a...
ICASSP
2008
IEEE
14 years 21 days ago
2008
IEEE
Adaptive modulation scheme has been widely used in multipleinput multiple-output (MIMO) systems to enhance spectral efficiency while maintaining bit-error rate (BER) under a targ...
INFOCOM
2009
IEEE
14 years 27 days ago
2009
IEEE
—Increasingly wireless networks use multi-antenna nodes as in IEEE 802.11n and 802.16. The Physical layer (PHY) in such systems may use the antennas to provide multiple streams o...