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- articleJune 2012
Energy efficient MAC protocol for delay-sensitive data transmission over wireless sensor network
Wireless Communications & Mobile Computing (WCMC), Volume 12, Issue 9Pages 755–766https://doi.org/10.1002/wcm.1009This paper presents an energy efficient medium access control (MAC) protocol for delay-sensitive data transmission over wireless sensor network. In general, energy consumption and delay depend on channel monitoring interval (CMI) and data sensing period ...
- research-articleMarch 2010
Towards higher throughput and energy efficiency in dense wireless ad hoc and sensor networks
SAC '10: Proceedings of the 2010 ACM Symposium on Applied ComputingPages 749–755https://doi.org/10.1145/1774088.1774244Traditional single-channel MAC protocols for wireless ad hoc and sensor networks favor energy-efficiency over throughput. More recent multi-channel MAC protocols display higher throughput but less energy efficiency. In this paper we propose NAMAC, a ...
- ArticleOctober 2007
Eco-mac: an energy-efficient and low-latencyhybrid mac protocol for wireless sensor networks
PM2HW2N '07: Proceedings of the 2nd ACM workshop on Performance monitoring and measurement of heterogeneous wireless and wired networksPages 68–71https://doi.org/10.1145/1298275.1298289This paper presents a new hybrid MAC protocol for wireless sensor network (WSN). The design of our protocol benefits from the low traffic feature of the majority of WSN applications to save energy and increase network lifetime. Our MAC protocol is duty-...
- ArticleOctober 2006
Understanding the causes of packet delivery success and failure in dense wireless sensor networks
SenSys '06: Proceedings of the 4th international conference on Embedded networked sensor systemsPages 419–420https://doi.org/10.1145/1182807.1182885We present empirical measurements of the packet delivery performance of the Telos and MicaZ sensor platforms. At a high level, their behavior is similar to that of earlier platforms. They exhibit a reception "grey region," and temporal variations in ...
- ArticleOctober 2006
X-MAC: a short preamble MAC protocol for duty-cycled wireless sensor networks
SenSys '06: Proceedings of the 4th international conference on Embedded networked sensor systemsPages 307–320https://doi.org/10.1145/1182807.1182838In this paper we present X-MAC, a low power MAC protocol for wireless sensor networks (WSNs). Standard MAC protocols developed for duty-cycled WSNs such as BMAC, which is the default MAC protocol for TinyOS, employ an extended preamble and preamble ...
- ArticleNovember 2004
Versatile low power media access for wireless sensor networks
SenSys '04: Proceedings of the 2nd international conference on Embedded networked sensor systemsPages 95–107https://doi.org/10.1145/1031495.1031508We propose <i>B-MAC</i>, 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 ...
- articleMay 2002
Self-Stabilizing Symmetry Breaking in Constant Space
SIAM Journal on Computing (SICOMP), Volume 31, Issue 5Pages 1571–1595https://doi.org/10.1137/S0097539798285997We investigate the problem of self-stabilizing round-robin token management on a bidirectional ring of identical processors. Each processor is an asynchronous probabilistic finite state (i.e., constant space) machine which sends and receives constant-...
- ArticleOctober 1996
A new multihop lightwave network based on the generalized De-Bruijn graph
Lightwave networks can be built by embedding virtual topologies over physical topologies. The optical passive star enables such embeddings easily. The Shuffle-net and the De-Bruijn graph are two popular virtual topologies proposed in the past for ...
- ArticleApril 1995
Optical local area networks (LANs) using wavelength selective couplers
In wavelength-division-multiplexed ring and bus networks, stations normally connect to the fiber using fused biconical taper (FBT) attachments. In this paper, we investigate protocols for multichannel photonic bus/ring LANs which use active wavelength-...
- articleJanuary 1995
Performance comparison of media access protocols for Gbit/s networks in the local area
Computer Communications (COMS), Volume 18, Issue 1Pages 4–14https://doi.org/10.1016/0140-3664(94)00745-4The evolution towards future communication systems is strongly influenced by increasing transmission capacities, changing service requirements and the emerging ATM technology. The next generation of high-performance local and metropolitan area networks ...
- articleAugust 1993
Acm sigcomm: Acknowledgement techniques of random access based media access protocols for a WDM photonic environment
Computer Communications (COMS), Volume 16, Issue 8Pages 458–471https://doi.org/10.1016/0140-3664(93)90061-VThis paper evaluates acknowledgement schemes for random access based media access protocols for star-coupled WDM networks. Each node requires a fast wavelength tunable transmitter and a slow/fixed receiver. The multiple, multi-access channels are pre-...