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Fast rate adaptation has been established as an effective way to improve the PHY-layer raw date rate of wireless networks. However, within the current IEEE 802.11 legacy, MAC-layer throughput is dominated by users with the lowest data…

网络与互联网体系结构 · 计算机科学 2007-12-17 Da Rui Chen , Ying Jun , Zhang

Multi-beam antenna technologies have provided lots of promising solutions to many current challenges faced in wireless mesh networks. The antenna can establish several beamformings simultaneously and initiate concurrent transmissions or…

网络与互联网体系结构 · 计算机科学 2019-10-03 Gang Wang , Yanyuan Qin

Multicasting is an efficient technique for simultaneously transmitting common messages from the base station (BS) to multiple mobile users (MUs). Multicast scheduling over multiple channels, which aims to jointly minimize the energy…

信息论 · 计算机科学 2023-08-22 Ran Li , Chuan Huang , Xiaoqi Qin , Shengpei Jiang

One of the major challenges in the medium access control (MAC) protocol design over cognitive Ad Hoc networks (CAHNs) is how to efficiently utilize multiple opportunistic channels, which vary dynamically and are subject to limited power…

信息论 · 计算机科学 2011-05-03 Yichen Wang , Pinyi Ren , Qinghe Du , Chao Zhang

Electronic collaboration among devices in a geographically localized environment is made possible with the implementation of IEEE 802.11 based wireless ad hoc networks. Dynamic nature of mobile ad hoc networks(MANETs) may lead to…

网络与互联网体系结构 · 计算机科学 2010-12-09 Binod Kumar Pattanayak , Alok Kumar Jagadev , Manoj Kumar Mishra , Manoj Ranjan Nayak

To accomplish relatively complex tasks, in Internet of Bio-Nano Things (IoBNT), information collected by different nano-machines (NMs) is usually sent via multiple-access channels to fusion centers (FCs) for further processing. Relying on…

信息论 · 计算机科学 2024-02-27 Weidong Gao , Lu Shi , Lie-Liang Yang

Multi-Cell (MC) systems are present in mobile network operations from the first generation to the fifth generation of wireless networks, and considers the signals of all users to a base station (BS) centered in a cell. Cell-Free (CF)…

信息论 · 计算机科学 2022-10-04 E. F. de Almeida , R. C. de Lamare

In wireless ad-hoc networks, forwarding data through intermediate relays extends the coverage area and enhances the network throughput. We consider a general wireless multiuser multihop transmission, where each data flow is subject to a…

网络与互联网体系结构 · 计算机科学 2014-07-23 K. Rahimi Malekshan , F. Lahouti

Physical-layer network coding (PNC) is a promising approach for wireless networks. It allows nodes to transmit simultaneously. Due to the difficulties of scheduling simultaneous transmissions, existing works on PNC are based on simplified…

网络与互联网体系结构 · 计算机科学 2013-05-15 Shiqiang Wang , Qingyang Song , Xingwei Wang , Abbas Jamalipour

In this paper, a novel cluster-based approach for maximizing the energy efficiency of wireless small cell networks is proposed. A dynamic mechanism is proposed to group locally-coupled small cell base stations (SBSs) into clusters based on…

网络与互联网体系结构 · 计算机科学 2015-11-30 Sumudu Samarakoon , Mehdi Bennis , Walid Saad , Matti Latva-aho

In this paper, a dynamic channel assigning along with dynamic cell sectoring model has been proposed that focuses on the Fractional Frequency Reuse (FFR) not only for interference mitigation but also for enhancement of overall system…

网络与互联网体系结构 · 计算机科学 2018-10-08 Shakil Ahmed , Mohammad Arif Hossain , Mostafa Zaman Chowdhury

The strength of carrier-sense multiple access with collision avoidance (CSMA/CA) can be combined with that of time-division multiple access (TDMA) to enhance the channel access performance in wireless networks such as the IEEE…

网络与互联网体系结构 · 计算机科学 2016-11-18 Bharat Shrestha , Ekram Hossain , Kae Won Choi

We investigate optimal channel assignment algorithms that maximize per node throughput in dense multichannel multi-radio (MC-MR) wireless networks. Specifically, we consider an MC-MR network where all nodes are within the transmission range…

网络与互联网体系结构 · 计算机科学 2012-09-05 Rahul Urgaonkar , Ram Ramanathan , Jason Redi , William N. Tetteh

In Multi-Radio Multi-Channel (MRMC) Wireless Mesh Networks (WMN), Partially Overlapped Channels (POC) has been used to increase the parallel transmission. But adjacent channel interference is very severe in MRMC environment; it decreases…

网络与互联网体系结构 · 计算机科学 2015-11-17 Sarasvathi V , Snehanshu Saha , N. Ch. S. N. Iyengar , Mahalaxmi Koti

The throughput efficiency of a wireless mesh network with potentially malicious external or internal interference can be significantly improved by equipping routers with multi-radio access over multiple channels. For reliably mitigating the…

网络与互联网体系结构 · 计算机科学 2023-01-24 Yung-Fu Chen , Anish Arora

This paper investigates a futuristic spectrum sharing paradigm for heterogeneous wireless networks with imperfect channels. In the heterogeneous networks, multiple wireless networks adopt different medium access control (MAC) protocols to…

网络与互联网体系结构 · 计算机科学 2020-03-26 Yiding Yu , Soung Chang Liew , Taotao Wang

Cooperative multicast is an effective solution to address the bottleneck problem of single-hop broadcast in wireless networks. By incorporating with the random linear network coding technique, the existing schemes can reduce the…

网络与互联网体系结构 · 计算机科学 2012-09-19 Fei Wu , Cunqing Hua , Hangguan Shan , Aiping Huang

Wireless networking is becoming an increasingly important and popular way of providing global information access to users on the move. One of the main challenges for seamless mobility is the availability of simple and robust handoff…

网络与互联网体系结构 · 计算机科学 2012-06-18 Siva Alagu , T. Meyyappan

This article addresses the design of multigroup multicast communications in the pinching-antenna system (PASS). A PASS-enabled multigroup transmission framework is proposed to maximize multicast rates under a couple of transmission…

信号处理 · 电气工程与系统科学 2025-06-23 Shan Shan , Chongjun Ouyang , Yong Li , Yuanwei Liu

Wireless Mesh Network (WMN) is a multi hop low cost, with easy maintenance robust network providing reliable service coverage. WMNs consist of mesh routers and mesh clients. In this architecture, while static mesh routers form the wireless…

网络与互联网体系结构 · 计算机科学 2012-05-15 Soumen Kanrar