17932 search results - page 135 / 3587 » Wireless communications systems |
142
Voted
ICC
2007
IEEE
15 years 10 months ago
2007
IEEE
– Future wireless cellular networks such as High Speed Downlink Packet Access (HSDPA) and 1x EVolution Data Optimized (1xEV-DO) promise to revolutionize the mobile user’s wirel...
140
Voted
JSAC
2006
15 years 3 months ago
2006
One of the reasons for the limitation of bandwidth in current generation wireless networks is the spectrum policy of the Federal Communications Commission (FCC). But, with the spec...
VTC
2007
IEEE
15 years 10 months ago
2007
IEEE
— Placing relays around the base station (BS) to assist wireless communication is an effective way of extending coverage in cellular systems. This paper provides a quantitative a...
134
Voted
JCM
2008
15 years 3 months ago
2008
We compare four open-loop transmit diversity schemes in a coded Orthogonal Frequency Division Multiplexing (OFDM) system with four transmit antennas, namely cyclic shift diversity ...
125
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ADC
2008
Springer
15 years 10 months ago
2008
Springer
The next-generation of wireless sensor platforms allows for more advanced in-network data processing. The central challenge remains energy and communication efficiency. This paper...