نتایج جستجو برای: multipath

تعداد نتایج: 8465  

Journal: :Computer Communications 2007
Swades De Chunming Qiao

Flexibility and robustness are the two key features of multipath routing in multihop wireless networks. While robustness to node failures and link errors is important to achieve high end-to-end throughput, it is also important to judiciously use the routing flexibility to achieve a better traffic load distribution among the network nodes, so that the network lifetime can be extended. In this pa...

Journal: :IEICE Transactions 2012
Tuan Anh Le Choong Seon Hong Sungwon Lee

Nowadays portable devices with multiple wireless interfaces and using multimedia services are becoming more popular on the Internet. This paper describes a family of multipath binomial congestion control algorithms for audio/video streaming, where a low variant of transmission rate is important. We extend the fluid model of binomial algorithms for single-path transmission to support the concurr...

2011
Masaru Ozeki Kosuke Heki

Multipath in Global Positioning System (GPS) is the interference of the microwave signals directly from satellites and those reflected before reaching the antenna, typically by the ground. Because reflected signals cause positioning errors, GPS antennas are designed to reduce such interference. Recent studies show that multipath could be utilized to infer the properties of the ground around the...

Journal: :The Journal of the Acoustical Society of America 1961

Journal: :DEStech Transactions on Computer Science and Engineering 2018

2002
Ridha CHAGGARA Ridha Chaggara

The performance of GPS may be degraded by many perturbations such as jamming, the effects of the ionosphere, and multipath. Many studies have been done to reduce the effect of multipath on the GPS measurements. Some of these are based on the radiation pattern of the receiving antenna, while most of them concentrate on the characteristics of the receiver tracking loops. A well-known implementati...

Journal: :International journal of scientific research in computer science, engineering and information technology 2023

In the past many years different types of routing protocols, single-path and Multipath, have been designed for wireless sensor networks. We also found various multipath protocols available that send similar data to base station via multiple paths increase reliability. a new simulation environment Castalia is developed based on OMNET++. They provided implementation Multipath rings protocol. it t...

Journal: :Energies 2021

In WSNs, multipath is well-known as a method to improve the reliability of packet delivery by making multiple routes from source node destination node. To and load-balancing, it important ensure that disjoint characteristics do not use same nodes during path generation. However, when studies encounter hole area which hard transmit data packets, they have problem with breaking features multipath...

2006
John A. Gubner Kei Hao

The IEEE 802.15.3a standards body has developed a modification of the Saleh–Valenzuela (SV) multipath channel model as the accepted channel model for ultra-wideband (UWB) investigations. The SV model is a well-defined simulation model that is straightforward to implement. However, since the model as specified is not directly amenable to theoretical analysis, it is constructed here as a two-dime...

Journal: :IJSNet 2010
Alberto López Toledo Xiaodong Wang

In wireless networks, the trade-off between reliability and efficiency is often obtained through multipath routing schemes. In multipath environments, such as those found in sensor networks, traditional internet routing solutions cannot be employed. Moreover, because multipath construction and maintenance is costly, a common alternative is using braided meshes, where it is difficult to calculat...

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