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Performance Evaluation of TCP over Wireless Channel Conditions

by Ritesh Taank, X. -h. Peng
"... (WLANs) is challenging the original design of TCP. The wireless channel is very different to traditional copper media; wireless channels possess significantly higher bit error rates (BERs), conditions which lead to increased numbers of random packet losses. The fundamental problem is that TCP is una ..."
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(WLANs) is challenging the original design of TCP. The wireless channel is very different to traditional copper media; wireless channels possess significantly higher bit error rates (BERs), conditions which lead to increased numbers of random packet losses. The fundamental problem is that TCP

An Efficient Digital Watermarking Scheme for Dynamic Estimation of Wireless Channel Condition

by Santi P. Maityl, Malayk. Kundu
"... This paper investigates the scope of an unconventional use of digital watermarking principle to blindly assess the quality of the multimedia signals through dynamic esti-mation of the status of the wireless channel. An algorithm of a fragile watermarking technique is proposed for digi-tal image that ..."
Abstract - Cited by 2 (0 self) - Add to MetaCart
This paper investigates the scope of an unconventional use of digital watermarking principle to blindly assess the quality of the multimedia signals through dynamic esti-mation of the status of the wireless channel. An algorithm of a fragile watermarking technique is proposed for digi-tal image

Versatile Low Power Media Access for Wireless Sensor Networks

by Joseph Polastre, Jason Hill, David Culler , 2004
"... We propose B-MAC, a carrier sense media access protocol for wireless sensor networks that provides a flexible interface to obtain ultra low power operation, effective collision avoidance, and high channel utilization. To achieve low power operation, B-MAC employs an adaptive preamble sampling scheme ..."
Abstract - Cited by 1099 (19 self) - Add to MetaCart
We propose B-MAC, a carrier sense media access protocol for wireless sensor networks that provides a flexible interface to obtain ultra low power operation, effective collision avoidance, and high channel utilization. To achieve low power operation, B-MAC employs an adaptive preamble sampling

The capacity of wireless networks

by Piyush Gupta, P. R. Kumar - IEEE TRANSACTIONS ON INFORMATION THEORY , 2000
"... When n identical randomly located nodes, each capable of transmitting at bits per second and using a fixed range, form a wireless network, the throughput @ A obtainable by each node for a randomly chosen destination is 2 bits per second under a noninterference protocol. If the nodes are optimally p ..."
Abstract - Cited by 3243 (42 self) - Add to MetaCart
When n identical randomly located nodes, each capable of transmitting at bits per second and using a fixed range, form a wireless network, the throughput @ A obtainable by each node for a randomly chosen destination is 2 bits per second under a noninterference protocol. If the nodes are optimally

A Rate-Adaptive MAC Protocol for Multi-Hop Wireless Networks

by Gavin Holland, Nitin H. Vaidya, Paramvir Bahl , 2001
"... Wireless local area networks (W-LANs) have become increasingly popular due to the recent availability of affordable devices that are capable of communicating at high data rates. These high rates are possible, in part, through new modulation schemes that are optimized for the channel conditions bring ..."
Abstract - Cited by 484 (5 self) - Add to MetaCart
Wireless local area networks (W-LANs) have become increasingly popular due to the recent availability of affordable devices that are capable of communicating at high data rates. These high rates are possible, in part, through new modulation schemes that are optimized for the channel conditions

The Resurrecting Duckling: Security Issues for Ad-hoc Wireless Networks

by Frank Stajano, Ross Anderson , 1999
"... In the near future, many personal electronic devices will be able to communicate with each other over a short range wireless channel. We investigate ..."
Abstract - Cited by 601 (13 self) - Add to MetaCart
In the near future, many personal electronic devices will be able to communicate with each other over a short range wireless channel. We investigate

Cognitive Radio: Brain-Empowered Wireless Communications

by Simon Haykin , 2005
"... Cognitive radio is viewed as a novel approach for improving the utilization of a precious natural resource: the radio electromagnetic spectrum. The cognitive radio, built on a software-defined radio, is defined as an intelligent wireless communication system that is aware of its environment and use ..."
Abstract - Cited by 1541 (4 self) - Add to MetaCart
Cognitive radio is viewed as a novel approach for improving the utilization of a precious natural resource: the radio electromagnetic spectrum. The cognitive radio, built on a software-defined radio, is defined as an intelligent wireless communication system that is aware of its environment

An Energy-Efficient MAC Protocol for Wireless Sensor Networks

by Wei Ye, John Heidemann, Deborah Estrin , 2002
"... This paper proposes S-MAC, a medium-access control (MAC) protocol designed for wireless sensor networks. Wireless sensor networks use battery-operated computing and sensing devices. A network of these devices will collaborate for a common application such as environmental monitoring. We expect senso ..."
Abstract - Cited by 1517 (36 self) - Add to MetaCart
This paper proposes S-MAC, a medium-access control (MAC) protocol designed for wireless sensor networks. Wireless sensor networks use battery-operated computing and sensing devices. A network of these devices will collaborate for a common application such as environmental monitoring. We expect

Critical Power for Asymptotic Connectivity in Wireless Networks

by Piyush Gupta, P. R. Kumar , 1998
"... : In wireless data networks each transmitter's power needs to be high enough to reach the intended receivers, while generating minimum interference on other receivers sharing the same channel. In particular, if the nodes in the network are assumed to cooperate in routing each others ' pack ..."
Abstract - Cited by 541 (19 self) - Add to MetaCart
: In wireless data networks each transmitter's power needs to be high enough to reach the intended receivers, while generating minimum interference on other receivers sharing the same channel. In particular, if the nodes in the network are assumed to cooperate in routing each others &apos

Dynamic source routing in ad hoc wireless networks

by David B. Johnson, David A. Maltz - Mobile Computing , 1996
"... An ad hoc network is a collection of wireless mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration. In such an environment, it may be necessary for one mobile host to enlist the aid of other hosts in forwarding a packet to its desti ..."
Abstract - Cited by 3108 (31 self) - Add to MetaCart
An ad hoc network is a collection of wireless mobile hosts forming a temporary network without the aid of any established infrastructure or centralized administration. In such an environment, it may be necessary for one mobile host to enlist the aid of other hosts in forwarding a packet to its
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