Results 1 - 10 of 1,434

MACAW: A Media Access Protocol for Wireless LAN's

by Vaduvur Bharghavan, et al.
"... In recent years, a wide variety of mobile computing devices has emerged, including portables, palmtops, and personal digital assistants. Providing adequate network connectivity for these devices will require a new generation of wireless LAN technology. In this paper we study media access protocols f ..."
Abstract - Cited by 839 (11 self) - Add to MetaCart
for a single channel wireless LAN being developed at Xerox Corporation's Palo Alto Research Center. We start with the MACA media access protocol rst proposed by Karn [9] and later refined by Biba [3] which uses an RTS-CTS-DATA packet exchange and binary exponential backo. Using packet

Coverage Problems in Wireless Ad-hoc Sensor Networks

by Seapahn Meguerdichian, Farinaz Koushanfar, Miodrag Potkonjak, Mani B. Srivastava - in IEEE INFOCOM , 2001
"... Wireless ad-hoc sensor networks have recently emerged as a premier research topic. They have great longterm economic potential, ability to transform our lives, and pose many new system-building challenges. Sensor networks also pose a number of new conceptual and optimization problems. Some, such as ..."
Abstract - Cited by 441 (9 self) - Add to MetaCart
Wireless ad-hoc sensor networks have recently emerged as a premier research topic. They have great longterm economic potential, ability to transform our lives, and pose many new system-building challenges. Sensor networks also pose a number of new conceptual and optimization problems. Some

Security In Wireless Sensor Networks

by Adrian Perrig, John Stankovic, David Wagner - COMMUNICATIONS OF THE ACM , 2004
"... Wireless sensor network applications include ocean and wildlife monitoring, manufacturing machinery performance monitoring, building safety and earthquake monitoring, and many military applications. An even wider spectrum of future applications is likely to follow, including the monitoring of highw ..."
Abstract - Cited by 360 (5 self) - Add to MetaCart
Wireless sensor network applications include ocean and wildlife monitoring, manufacturing machinery performance monitoring, building safety and earthquake monitoring, and many military applications. An even wider spectrum of future applications is likely to follow, including the monitoring

Cross-Layer Design for Wireless Networks

by Sanjay Shakkottai, Peter C. Karlsson - IEEE Communications Magazine , 2003
"... As the cellular and PCS world collides with Wireless LANs and Internet-based packet data, new networking approaches will support the integration of voice and data on the composite infrastructure of cellular base stations and Ethernet-based wireless access points. This paper highlights some of the pa ..."
Abstract - Cited by 254 (2 self) - Add to MetaCart
of the past accomplishments and promising research avenues for an important topic in the creation of future wireless networks. In this paper, we address the issue of cross-layer networking, where the physical and MAC layer knowledge of the wireless medium is shared with higher layers, in order to provide

Mobile ad hoc networking: imperatives and challenges

by Imrich Chlamtac , Marco Conti , Jennifer J.-N. Liu , 2003
"... Mobile ad hoc networks (MANETs) represent complex distributed systems that comprise wireless mobile nodes that can freely and dynamically self-organize into arbitrary and temporary, "ad-hoc" network topologies, allowing people and devices to seamlessly internetwork in areas with no pre-exi ..."
Abstract - Cited by 317 (8 self) - Add to MetaCart
to provide a comprehensive overview of this dynamic field. It first explains the important role that mobile ad hoc networks play in the evolution of future wireless technologies. Then, it reviews the latest research activities in these areas, including a summary of MANET's characteristics, capabilities

Center for Research in Wireless Mobility and

by Samik Ghosh, Sajal K. Das
"... Next-generation wireless mobile communications will be driven by converged networks that integrate disparate technologies and services. The wireless mesh network is envisaged to be one of the key components in the converged networks of the future, providing flexible highbandwidth wireless backhaul o ..."
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Next-generation wireless mobile communications will be driven by converged networks that integrate disparate technologies and services. The wireless mesh network is envisaged to be one of the key components in the converged networks of the future, providing flexible highbandwidth wireless backhaul

Mobile Wireless Computing: Challenges in Data Management

by Tomasz Imielinski, B. R. Badrinath - Communications of the ACM , 1994
"... Mobile computing is a new emerging computing paradigm posing many challenging data management problems. We identify these new challenges and investigate their technical significance. New research problems include management of location dependent data, information services to mobile users, frequent d ..."
Abstract - Cited by 182 (4 self) - Add to MetaCart
disconnections, wireless data broadcasting, and energy efficient data access. 1 Introduction The rapidly expanding technology of cellular communications, wireless LAN, and satellite services will make it possible for mobile users to access information anywhere and at anytime. In the near future, tens

Measurement and Analysis of the Error Characteristics of an In-Building Wireless Network

by David Eckhardt, Peter Steenkiste , 1996
"... There is general belief that networks based on wireless technologies have much higher error rates than those based on more traditional technologies such as optical fiber, coaxial cable, or twisted pair wiring. This difference has motivated research on new protocol suites specifically for wireless ne ..."
Abstract - Cited by 155 (4 self) - Add to MetaCart
There is general belief that networks based on wireless technologies have much higher error rates than those based on more traditional technologies such as optical fiber, coaxial cable, or twisted pair wiring. This difference has motivated research on new protocol suites specifically for wireless

System-level design: Orthogonalization of concerns and platform-based design

by Kurt Keutzer, Sharad Malik, A. Richard Newton, Jan M. Rabaey, A. Sangiovanni-Vincentelli - IEEE TRANSACTIONS ON COMPUTER-AIDED DESIGN OF INTEGRATED CIRCUITS AND SYSTEMS , 2000
"... System-level design issues become critical as implementation technology evolves toward increasingly complex integrated circuits and the time-to-market pressure continues relentlessly. To cope with these issues, new methodologies that emphasize re-use at all levels of abstraction are a “must”, and th ..."
Abstract - Cited by 272 (10 self) - Add to MetaCart
”, and this is a major focus of our work in the Gigascale Silicon Research Center. We present some important concepts for system design that are likely to provide at least some of the gains in productivity postulated above. In particular, we focus on a method that separates parts of the design process and makes

The challenges of building scalable mobile underwater wireless sensor networks for aquatic applications

by Jun-hong Cui, Jiejun Kong, Mario Gerla - Special issue of IEEE Network on Wireless Sensor Networking , 2006
"... The large-scale mobile Underwater Wireless Sensor Network (UWSN) is a novel networking paradigm to explore aqueous environments. However, the characteristics of mobile UWSNs, such as low communication bandwidth, large propagation delay, floating node mobility, and high error probability, are signifi ..."
Abstract - Cited by 116 (31 self) - Add to MetaCart
, are significantly different from ground-based wireless sensor networks. The novel networking paradigm poses interdisciplinary challenges that will require new technological solutions. In particular, in this article we adopt a top-down approach to explore the research challenges in mobile UWSN design. Along
Results 1 - 10 of 1,434