Simulating computer systems: techniques and tools
Simulating computer systems: techniques and tools
Ethernet: distributed packet switching for local computer networks
Communications of the ACM
Spread Spectrum Systems: With Commercial Applications
Spread Spectrum Systems: With Commercial Applications
Digital and Analog Communication Systems
Digital and Analog Communication Systems
Design of wireless portable systems
COMPCON '95 Proceedings of the 40th IEEE Computer Society International Conference
Propagation measurements and models for wireless communications channels
IEEE Communications Magazine
Trends in local wireless networks
IEEE Communications Magazine
TCP Vegas: end to end congestion avoidance on a global Internet
IEEE Journal on Selected Areas in Communications
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We develop and analyze an elegant, opportunistic medium access control (MAC) protocol based on the proposed MAC standard for wireless local area networks (WLAN)---IEEE 802.11. Our adaptation of 802.11 is called CATER (Code Adapts To Enhance Reliability) and allows communicating stations to reconfigure their transceivers to use a longer pseudo-noise (PN) code when retransmissions are unsuccessful over a degraded channel. Results show that our protocol continues to function, permitting up to 14 percent normalized aggregate throughput, at times when IEEE 802.11 fails. In addition, throughput experiences only a small decrease due to protocol overhead during periods when stations experience a good channel with few bit errors.