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Many analytical models have been proposed for evaluating the performance of event-driven 802.15.4 Wireless Sensor Networks (WSNs), in Non-Beacon Enabled (NBE) mode. However, existing models do not provide accurate analysis of large-scale…

网络与互联网体系结构 · 计算机科学 2022-05-31 Domenico De Guglielmo , Francesco Restuccia , Giuseppe Anastasi , Marco Conti , Sajal K. Das

In wireless ad hoc networks, distributed nodes can collaboratively form an antenna array for long-distance communications to achieve high energy efficiency. In recent work, Ochiai, et al., have shown that such collaborative beamforming can…

信息论 · 计算机科学 2007-07-13 Athina P. Petropulu , Lun Dong , H. Vincent Poor

This paper is focused on the problem of optimizing the aggregate throughput of the Distributed Coordination Function (DCF) employing the basic access mechanism at the data link layer of IEEE 802.11 protocols. In order to broaden the…

网络与互联网体系结构 · 计算机科学 2008-12-18 Massimiliano Laddomada , Fabio Mesiti

In multi-user wireless packet networks interference, typically modeled as packet collision, is the throughput bottleneck. Users become aware of the interference pattern via feedback and use this information for contention resolution and for…

信息论 · 计算机科学 2018-07-24 Alireza Vahid , Robert Calderbank

Relay-enabled backscatter communication (BC) is an intriguing paradigm to alleviate energy shortage and improve throughput of Internet-of-Things (IoT) devices. Most of the existing works focus on the resource allocation that considered the…

信息论 · 计算机科学 2023-07-27 Rui Xu , Liqin Shi , Yinghui Ye , Haijian Sun , Gan Zheng

Throughput improvement of the Wireless LANs has been a constant area of research. Most of the work in this area, focuses on designing throughput optimal schemes for fully connected networks (no hidden nodes). But, we demonstrate that the…

网络与互联网体系结构 · 计算机科学 2010-06-11 Sundaresan Krishnan , Prasanna Chaporkar

While Bayesian inference provides a principled framework for reasoning under uncertainty, its widespread adoption is limited by the intractability of exact posterior computation, necessitating the use of approximate inference. However,…

机器学习 · 统计学 2026-05-19 George Whittle , Juliusz Ziomek , Jacob Rawling , Maike A. Osborne

IEEE 802.11 has evolved from 802.11a/b/g/n to 802.11ac to meet rapidly increasing data rate requirements in WLANs. One important technique adopted in 802.11ac is the channel bonding (CB) scheme that combines multiple 20MHz channels for a…

网络与互联网体系结构 · 计算机科学 2017-03-30 Caihong Kai , Yuting Liang , Tianyu Huang , Xu Chen

We propose Chain-of-Experts (CoE), a new Mixture-of-Experts (MoE) architecture that introduces sequential expert communication within each layer. Unlike traditional MoE models, where experts operate independently in parallel, CoE processes…

机器学习 · 计算机科学 2025-06-25 Zihan Wang , Rui Pan , Jiarui Yao , Robert Csordas , Linjie Li , Lu Yin , Jiajun Wu , Tong Zhang , Manling Li , Shiwei Liu

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

We consider single-hop topologies with saturated transmitting nodes, using IEEE~802.11 DCF for medium access. However, unlike the conventional WiFi, we study systems where one or more of the protocol parameters are different from the…

网络与互联网体系结构 · 计算机科学 2016-07-26 Abhijit Bhattacharya , Anurag Kumar

In TSCH, which is a MAC mechanism set of the IEEE 802.15.4e amendment, calculation, construction, and maintenance of the packet transmission schedules are not defined. Moreover, to ensure optimal throughput, most of the existing scheduling…

网络与互联网体系结构 · 计算机科学 2019-09-17 Nastooh Taheri Javan , Masoud Sabaei , Vesal Hakami

Throughput-optimal transmission scheduling in wireless networks has been a well considered problem in the literature, and the method for achieving optimality, MaxWeight scheduling, has been known for several decades. This algorithm achieves…

网络与互联网体系结构 · 计算机科学 2020-08-05 Thomas Stahlbuhk , Brooke Shrader , Eytan Modiano

The broadcast throughput in a network is defined as the average number of messages that can be transmitted per unit time from a given source to all other nodes when time goes to infinity. Classical broadcast algorithms treat messages as…

数据结构与算法 · 计算机科学 2014-08-29 Noga Alon , Mohsen Ghaffari , Bernhard Haeupler , Majid Khabbazian

We consider one-hop communication in wireless networks with random connections. In the random connection model, the channel powers between different nodes are drawn from a common distribution in an i.i.d. manner. An scheme achieving the…

Much of the current theory of networked control systems uses simple point-to-point communication models as an abstraction of the underlying network. As a result, the controller has very limited information on the network conditions and…

系统与控制 · 计算机科学 2011-03-29 Phoebus Chen , Chithrupa Ramesh , Karl H. Johansson

The compute-and-forward (CMF) method has shown a great promise as an innovative approach to exploit interference toward achieving higher network throughput. The CMF was primarily introduced by means of information theory tools. While there…

信息论 · 计算机科学 2013-04-25 Mohsen Hejazi , Masoumeh Nasiri-Kenari

Exact queueing analysis of erasure networks with network coding in a finite buffer regime is an extremely hard problem due to the large number of states in the network. In such networks, packets are lost due to either link erasures or due…

信息论 · 计算机科学 2010-12-14 Nima Torabkhani , Badri N. Vellambi , Faramarz Fekri

A simple feedback control algorithm is presented for distributed beamforming in a wireless network. A network of wireless sensors that seek to cooperatively transmit a common message signal to a Base Station (BS) is considered. In this…

信息论 · 计算机科学 2007-07-16 R. Mudumbai , J. Hespanha , U. Madhow , G. Barriac

This work studies the throughput scaling laws of ad hoc wireless networks in the limit of a large number of nodes. A random connections model is assumed in which the channel connections between the nodes are drawn independently from a…

信息论 · 计算机科学 2016-11-18 Shengshan Cui , Alexander M. Haimovich , Oren Somekh , H. Vincent Poor , Shlomo Shamai