Sciweavers

867 search results - page 80 / 174
» Advanced Wireless LAN
Sort
View
QSHINE
2005
IEEE
15 years 3 months ago
Achieving Weighted Fairness between Uplink and Downlink in IEEE 802.11 DCF-Based WLANs
In this paper, we first propose an analytical model of WLANs (Wireless LANs) with an arbitrary backoff distribution and AIFS (Arbitration Inter-Frame Space). From the analysis, we ...
Jiwoong Jeong, Sunghyun Choi, Chong-kwon Kim
IEICET
2006
131views more  IEICET 2006»
14 years 10 months ago
Quick Data-Retrieving for U-APSD in IEEE802.11e WLAN Networks
The IEEE802.11e defines a MAC protocol, which provides EDCA (enhanced distributed channel access) and HCCA (HCF controlled channel access) to support differentiation service over W...
Shojiro Takeuchi, Kaoru Sezaki, Yasuhiko Yasuda
COMCOM
2007
101views more  COMCOM 2007»
14 years 10 months ago
Power control and fairness MAC mechanisms for 802.11 WLANs
Exploiting spatial reuse opportunities will allow more parallel transmissions and improve the throughput of wireless networks. Power control is one of the major mechanisms used to...
Chih-Yung Chang, Hsu-Ruey Chang
JCM
2008
100views more  JCM 2008»
14 years 10 months ago
Four Transmit Diversity Schemes for Coded OFDM Systems with Four Transmit Antennas
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 ...
Chau Yuen, Yan Wu, Sumei Sun
IJWIN
2002
111views more  IJWIN 2002»
14 years 9 months ago
Internet Connectivity for Ad Hoc Mobile Networks
The growing deployment rate of wireless LANs indicates that wireless networking is rapidly becoming a prevalent form of communication. As users become more accustomed to the use o...
Yuan Sun, Elizabeth M. Belding-Royer, Charles E. P...