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MOBICOM
2004
ACM
15 years 3 months ago
SSCH: slotted seeded channel hopping for capacity improvement in IEEE 802.11 ad-hoc wireless networks
Capacity improvement is one of the principal challenges in wireless networking. We present a link-layer protocol called Slotted Seeded Channel Hopping, or SSCH, that increases the...
Paramvir Bahl, Ranveer Chandra, John Dunagan
JCM
2008
100views more  JCM 2008»
14 years 9 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
GLOBECOM
2010
IEEE
14 years 7 months ago
Space-Time Network Codes Utilizing Transform-Based Coding
Abstract-- Cooperative communications can be used to improve communication reliability. However, the transmissions from different relaying nodes result in a great challenge in prac...
Hung-Quoc Lai, Zhenzhen Gao, K. J. Ray Liu
WIOPT
2005
IEEE
15 years 3 months ago
Analysis of a Distributed Algorithm to Determine Multiple Routes with Path Diversity in Ad Hoc Networks
With multipath routing in mobile ad hoc networks (MANETs), a source can establish multiple routes to a destination for routing data. In MANETs, mulitpath routing can be used to pr...
Stephen Mueller, Dipak Ghosal
WWW
2004
ACM
15 years 10 months ago
Session level techniques for improving web browsing performance on wireless links
Recent observations through experiments that we have performed in current third generation wireless networks have revealed that the achieved throughput over wireless links varies ...
Pablo Rodriguez, Sarit Mukherjee, Sampath Rangaraj...