搜索结果: 1-14 共查到“知识库 信息与通信工程 wireless networks”相关记录14条 . 查询时间(0.156 秒)
Throughput-Delay Trade-off in Wireless Networks
Stochastic processes/Queueing theory Combinatorics Information theory Statistics
2015/8/17
Gupta and Kumar (ZW) intrnduced a random network model for studying the way throughput scales in a wireless network when the nudes are fixed, and showed that the throughput per source-destinatinn pair...
Energy-efficient Scheduling of Packet Transmissions over Wireless Networks
Energy-effi cient Scheduling Packet Transmissions Wireless Networks
2015/8/17
The paper develops algorithms for minimizing the energy required to transmit packets in a wireless environment. It is motivated by the following observation: In many channel coding schemes it is possi...
Optimal Throughput-Delay Scaling in Wireless Networks–Part II:Constant-Size Packets
Throughput-Delay Scaling Wireless Networks Constant-Size Packets
2015/8/12
In Part I we characterized the optimal throughput-delay trade-off in static wireless networks as D(n) = Θ(nT(n)), where D(n) and T(n) are the average packet delay and throughput in a network of n node...
Optimal Throughput-Delay Scaling in Wireless Networks–Part I:The Fluid Model
Queueing theory random walks scaling laws throughput scaling throughput-delay trade-off wireless networks
2015/8/12
Gupta and Kumar (2000) introduced a random model to study throughput scaling in a wireless network with static nodes, and showed that the throughput per source-destination pair is Θ 1/√n log n. Gross...
Seeking Foschini's genie: Optimal rates and powers in wireless networks
wireless networks power and rate control utility functions optimization adaptation admission Perron Frobenius
2015/8/11
An adaptive rate and power control approach is presented in this paper. The approach is layered, with a rate optimization algorithm selecting the optimal rates for the system and a power control algor...
Optimizing adaptive modulation in wireless networks via utility maximization
Adaptive modulation network power physical layer electric power the interest rate
2015/8/10
We investigate adaptive modulation using the network utility maximization framework. We derive new crosslayer optimal power and rate adaptation policies for several practical modulation schemes. The b...
Optimizing adaptive modulation in wireless networks via multi-period network utility maximization
Wireless network control strategy the network traffic data video function
2015/8/7
We present a crosslayer technique to find and characterize optimal control policies for wireless networks operating at different time scales at the upper layer and physical layer. The technique can al...
A Distributed Algorithm for Maximum Lifetime Routing in Ad Hoc Wireless Networks
Wireless Networks Maximum Lifetime Routing
2015/6/19
An ad hoc sensor network of nodes with wireless transceiver capabilities is considered. We propose distributed algorithms to compute an optimal routing scheme that maximizes the time at which the firs...
Resource Allocation and Pricing in Virtual Wireless Networks
Virtual Wireless Networks Resource Allocation Price Poisson Point Process
2014/12/8
The Internet architecture has proven its success by completely changing people’s lives. However, making significant architecture improvements has become extremely difficult since it requires competing...
An O(log n) Distributed Approximation Algorithm for Local Broadcasting in Unstructured Wireless Networks
Local Broadcasting Unstructured Wireless Networks
2012/6/13
The unstructured multi-hop radio network model, with asynchronous wake-up, no collision detection and little knowledge on the network topology, is proposed for capturing the particularly harsh charact...
Energy Efficient Broadcast in Multiradio Multichannel Wireless Networks
Energy Efficient Broadcast Multiradio Multichannel Wireless Networks
2012/6/10
The broadcast is a fundamental operation in computer and communication networks. We study broadcast in multiradio multichannel multi-hop wireless networks. Suppose through configuration, each node is ...
Anonymous Communication in Multi Hop Wireless Networks
Anonymity Unlinkability Wireless networks
2008/7/18
In this paper we present a protocol for unlinkable and anonymous communication in multi hop wireless networks. There exist solutions for unlinkable communication in the internet, such as Tor and Mix n...
Performance evaluation for energy efficient topologic control in ad hoc wireless networks
Performance evaluation energy efficient topologic control ad hoc wireless networks.
2004/6/17
Minimizing total energy to keep an ad hoc wireless network symmetrically connected is an NP-hard problem. Recently, several greedy approximations have been proposed, based on k-restricted decompositio...
Multiscale Load Adaptive Scheduling for Energy Efficient Transmission over Wireless Networks
Scheduling Energy Efficient Transmission Wireless Networks
2003/12/31
Multiscale Load Adaptive Scheduling for Energy Efficient Transmission over Wireless Networks.