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Association for Computing Machinery (ACM)

  1559-1662

  1931-1222

 

 

Cơ quản chủ quản:  N/A

Các bài báo tiêu biểu

Probabilistic routing in intermittently connected networks
Tập 7 Số 3 - Trang 19-20 - 2003
Anders Lindgren, Avri Doria, Olov Schelén
We consider the problem of routing in intermittently connected networks. In such networks there is no guarantee that a fully connected path between source and destination exist at any time, rendering traditional routing protocols unable to deliver messages between hosts. We propose a probabilistic routing protocol for such networks.
Centralized channel assignment and routing algorithms for multi-channel wireless mesh networks
Tập 8 Số 2 - Trang 50-65 - 2004
Ashish Raniwala, Kartik Gopalan, Tzi‐cker Chiueh
The IEEE 802.11 Wireless LAN standards allow multiple non-overlapping frequency channels to be used simultaneously to increase the aggregate bandwidth available to end-users. Such bandwidth aggregation capability is routinely used in infrastructure mode operation, where the traffic to and from wireless nodes is distributed among multiple interfaces of an access point or among multiple access point... hiện toàn bộ
Routing and link-layer protocols for multi-channel multi-interface ad hoc wireless networks
Tập 10 Số 1 - Trang 31-43 - 2006
Pradeep Kyasanur, Nitin H. Vaidya
Wireless technologies, such as IEEE 802.11a, that are used in ad hoc networks provide for multiple non-overlapping channels. Most ad hoc network protocols that are currently available are designed to use a single channel. However, the available network capacity can be increased by using multiple channels. This paper presents new protocols specifically designed to exploit multiple channels. Our pro... hiện toàn bộ
The holes problem in wireless sensor networks
Tập 9 Số 2 - Trang 4-18 - 2005
Nadeem Ahmed, Salil S. Kanhere, Sanjay Jha
Several anomalies can occur in wireless sensor networks that impair their desired functionalities i.e., sensing and communication. Different kinds of holes can form in such networks creating geographically correlated problem areas such as coverage holes, routing holes, jamming holes, sink/black holes and worm holes, etc. We detail in this paper different types of holes, discuss their characteristi... hiện toàn bộ
Weighted coloring based channel assignment for WLANs
Tập 9 Số 3 - Trang 19-31 - 2005
Arunesh Mishra, Suman Banerjee, William A. Arbaugh
We propose techniques to improve the usage of wireless spectrum in the context of wireless local area networks (WLANs) using new channel assignment methods among interfering Access Points (APs). We identify new ways of channel re-use that are based on realistic interference scenarios in WLAN environments. We formulate a weighted variant of the graph coloring problem that takes into account realist... hiện toàn bộ
Report on a working session on security in wireless ad hoc networks
Tập 7 Số 1 - Trang 74-94 - 2003
Levente Buttyán, Jean-Pierre Hubaux
Mobile ad hoc networking and the IETF
Tập 2 Số 2 - Trang 9-12 - 1998
Joseph P. Macker, M. Scott Corson
This article provides a snapshot of work underway within the Mobile Ad hoc NETworks (MANET) Working Group of the Internet Engineering Task Force (IETF). The article presents some issues currently under discussion on the MANET mailing list, and also summarizes the proceedings of the last MANET WG meeting.
Data acquisition in multiple-sink sensor networks
Tập 9 Số 3 - Trang 82-85 - 2005
Abhimanyu Das, Debojyoti Dutta
Scalable, energy-efficient data acquisition in large sensor network deployments such as habitat monitoring is an research important problem. In several papers [1, 2], sensor networks have been modeled as having a single sink (or base-station) that acts as the data recipient for a large number of sensors (data sources) deployed over a sensor field. The sensor network might use simple querying and d... hiện toàn bộ