5657 search results - page 943 / 1132 » Micropayments for Wireless Communications |
182
click to vote
VTC
2006
IEEE
16 years 17 days ago
2006
IEEE
— In wireless communications, the channel consists of many resolvable paths with different time delays, resulting in a severely frequency-selective fading channel. The frequencyd...
175
click to vote
CONEXT
2006
ACM
16 years 16 days ago
2006
ACM
Due to the lack of built-in quality of service support, IEEE 802.11 ad-hoc networks presents serious defies in meeting the demands of multimedia applications. To overcome such ch...
184
click to vote
IWCMC
2006
ACM
16 years 15 days ago
2006
ACM
Orthogonal frequency division multiplexing (OFDM) is very sensitive to frequency offsets which result in considerable interference. Performance of the system will be exacerbated ...
162
click to vote
IWCMC
2006
ACM
16 years 15 days ago
2006
ACM
The paper proposes a neural fuzzy call admission and rate controller (NFARC) scheme for WCDMA cellular systems providing multirate services. The NFARC scheme can guarantee the qua...
201
click to vote
IWCMC
2006
ACM
16 years 15 days ago
2006
ACM
The concept of multi-hop CDMA cellular networks has been around for sometime now. It is a widely accepted assumption that using multi-hopping in cellular networks will increase th...