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Being most popular and IETF standard metric, minimum hop count is appropriately used by Ad hoc Networks, as new paths must rapidly be found in the situations where quality paths could not be found in due time due to high node mobility.…

网络与互联网体系结构 · 计算机科学 2016-11-18 Nadeem Javaid , Akmal Javaid , Imran Ali Khan , Karim Djouani

In this paper, we identify and analyze the requirements to design a new routing link metric for wireless multihop networks. Considering these requirements, when a link metric is proposed, then both the design and implementation of the link…

网络与互联网体系结构 · 计算机科学 2016-11-17 Nadeem Javaid , Muti Ullah , Karim Djouani

The end-to-end throughput of multi-hop communication in wireless ad hoc networks is affected by the conflict between forwarding nodes. It has been shown that sending more packets than maximum achievable end-to-end throughput not only fails…

网络与互联网体系结构 · 计算机科学 2019-05-15 Shahbaz Rezaei , Mohammed Gharib , Ali Movaghar

In this paper, we propose a new Quality Link Metric (QLM), ``Inverse Expected Transmission Count (InvETX)'' in Optimized Link State Routing (OLSR) protocol. Then we compare performance of three existing QLMs which are based on loss…

网络与互联网体系结构 · 计算机科学 2013-11-18 N. Javaid , A. BiBi , A. Javaid , Z. A. Khan , K. Latif , M. Ishfaq

In this paper, we compare and analyze performance of five quality link metrics forWireless Multi-hop Networks (WMhNs). The metrics are based on loss probability measurements; ETX, ETT, InvETX, ML and MD, in a distance vector routing…

网络与互联网体系结构 · 计算机科学 2016-11-18 N. Javaid , A. Bibi , Z. A. Khan , K. Djouani

Interference management has the potential to improve spectrum efficiency in current and next generation wireless systems (e.g. 3GPP LTE and IEEE 802.11). Recently, new paradigms for interference management have emerged to tackle…

信息论 · 计算机科学 2015-09-14 Namyoon Lee , Robert W. Heath

In Heterogeneous mobile ad hoc networks (MANETs) congestion occurs with limited resources. Due to the shared wireless channel and dynamic topology, packet transmissions suffer from interference and fading. In heterogeneous ad hoc networks,…

网络与互联网体系结构 · 计算机科学 2009-08-03 B. Narasimhan , S. Santhosh baboo

Existing models of Multi-Hop Wireless Networks (MHWNs) assume that interference estimators of link quality such as observed busy time predict the capacity of the links. We show that these estimators do not capture the intricate interactions…

网络与互联网体系结构 · 计算机科学 2007-05-23 Vinay Kolar , Nael Abu-Ghazaleh

In this research, we study the optimization challenges of MANET and cross-layer technique to improve its performance. We propose an adaptive retransmission limits algorithm for IEEE 802.11 MAC to reduce the false link failures and predict…

网络与互联网体系结构 · 计算机科学 2010-11-30 Gaurav Bhatia , Vivek Kumar

In this paper, we propose a cross-layer scheduling algorithm that achieves a throughput "epsilon-close" to the optimal throughput in multi-hop wireless networks with a tradeoff of O(1/epsilon) in delay guarantees. The algorithm aims to…

信息论 · 计算机科学 2011-01-26 Dongyue Xue , Eylem Ekici

We develop a new metric for quantifying end-to-end throughput in multihop wireless networks, which we term random access transport capacity, since the interference model presumes uncoordinated transmissions. The metric quantifies the…

信息论 · 计算机科学 2016-11-18 Jeffrey G. Andrews , Steven Weber , Marios Kountouris , Martin Haenggi

The multihop relay wireless networks have gained traction due to the emergence of Reconfigurable Intelligent Surfaces (RISs) which can be used as relays in high frequency range wireless network, including THz or mmWave. To select paths in…

网络与互联网体系结构 · 计算机科学 2025-11-21 Cao Vien Phung , Andre Drummond , Admela Jukan

A general open problem in networking is: what are the fundamental limits to the performance that is achievable with some given amount of resources? More specifically, if each node in the network has information about only its $1$-hop…

信息论 · 计算机科学 2020-07-17 Ashwin Ganesan

Estimating link capacity in a wireless network is a complex task because the available capacity at a link is a function of not only the current arrival rate at that link, but also of the arrival rate at links which interfere with that link…

网络与互联网体系结构 · 计算机科学 2010-07-28 Apoorva Jindal , Konstantinos Psounis , Mingyan Liu

Mixed-precision networks allow for a variable bit-width quantization for every layer in the network. A major limitation of existing work is that the bit-width for each layer must be predefined during training time. This allows little…

机器学习 · 计算机科学 2021-04-01 Adrian Bulat , Georgios Tzimiropoulos

In this work, we propose a content caching and delivery strategy to maximize throughput capacity in cache-enabled wireless networks. To this end, efficient betweenness (EB), which indicates the ratio of content delivery paths passing…

信息论 · 计算机科学 2020-05-11 Chenxi Zhao , Junyu Liu , Min Sheng , Yanpeng Dai

Heterogeneous Networks (HetNets) are known to enhance the bandwidth efficiency and throughput of wireless networks by more effectively utilizing the network resources. However, the higher density of users and access points in HetNets…

网络与互联网体系结构 · 计算机科学 2016-11-15 Hani Mehrpouyan , Michail Matthaiou , Rui Wang , George K. Karagiannidis , Yingbo Hua

Inspired by the Statistical Physics of complex networks, wireless multihop ad hoc communication networks are considered in abstracted form. Since such engineered networks are able to modify their structure via topology control, we search…

网络与互联网体系结构 · 计算机科学 2009-11-11 Wolfram Krause , Jan Scholz , Martin Greiner

In this article, we investigate the real-world capability of the multi-link operation (MLO) framework -- one of the key MAC-layer features included in the IEEE 802.11be amendment -- by using a large dataset containing 5 GHz spectrum…

网络与互联网体系结构 · 计算机科学 2023-05-04 Marc Carrascosa , Giovanni Geraci , Edward Knightly , Boris Bellalta

The growing demand for broadband communications anytime, anywhere has paved the way to the usage of Unmanned Aerial Vehicles (UAVs) for providing Internet access in areas without network infrastructure and enhancing the performance of…

网络与互联网体系结构 · 计算机科学 2019-12-18 André Coelho , Eduardo Nuno Almeida , José Ruela , Rui Campos , Manuel Ricardo
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