نتایج جستجو برای: wireless ad hoc network
تعداد نتایج: 812441 فیلتر نتایج به سال:
Link and node trustworthiness are important metrics in wireless ad hoc networks. Many existing wireless ad hoc network routing algorithms assume the availability of precise trustworthiness information. This, however, is an unrealistic assumption given the dynamics of wireless ad hoc networks. Therefore, a realistic method is needed to evaluate trustworthiness by mitigating uncertainty in the es...
“Anywhere” and, in particular, “anyhow”: these are the two best words that can describe an ad hoc wireless network that is due to the increasing demand for connectivity in such an information society. Ad hoc wireless networks can be described as dynamic multihop wireless networks with mobile nodes. However, the mobility condition can be relaxed, and we can consider an ad hoc wireless network as...
A Performance Comparison study of Unicast and Multicast Routing Protocols for Mobile Ad hoc Networks
The network structures have changed significantly in the recent years. In spite of the wireless network challenges namely: changes in network topology, high error rates, power restrictions, bandwidth constraints and issues with link capacity, these networks have become popular. Researchers have contributed to a great extent to solve these challenges with innovative solution to support robust an...
Mobile Ad Hoc Network (MANET) is a collection of wireless mobile nodes dynamically forming a temporary network without the use of any existing network infrastructure or centralized administration. Ad Hoc Networks have the attributes such as wireless connection, continuously changing topology, distributed operation and easy of deployment. Each node operates not only as an end system, but also as...
Dynamic Bandwidth Management for Wireless Ad hoc Networks for Two Zones under Homogeneous Conditions
Wireless communication networks, in particular ad hoc networks have revolutionized the field of Networking with increasing number of commercial and military applications. Establishing communication through portable devices without the dependence on or constraints of any central infrastructural id possible through ad hoc networks. Wireless ad hoc networks models play a predominant role in perfor...
Ad hoc networks are wireless networks composed of mobile devices with limited power and transmission range. Advance reservations are a useful method to allocate resources of various kinds in many different environments, and especially be useful for wireless ad hoc networks that require network quality of service, which need advance reservation to support handovers for streaming video. It is key...
many performance evaluations for ieee 802.11distributed coordination function (dcf) have been previouslyreported in the literature. some of them have clearly indicatedthat 802.11 mac protocol has poor performance in multi-hopwireless ad hoc networks due to exposed and hidden nodeproblems. although rts/cts transmission scheme mitigatesthese phenomena, it has not been successful in thoroughlyomit...
With the development of communication technology and the extensive use of mobile devices, streaming video content through wireless network is becoming popular application. Several works have been conducted to address its challenges as well as improve its performance. This paper will re-observe the problem of video streaming over ad hoc wireless network. It explains the background concept of ad ...
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