搜索结果: 1-15 共查到“无线通信技术 networks”相关记录17条 . 查询时间(0.141 秒)
EIM: Efficient online Interference Measurement in Wireless Sensor Networks
Efficient online Interference Measurement in Wireless Sensor Networks
2016/1/23
In wireless sensor networks, knowing real signal interferences (received signal strength or RSS) from other sensors to cared sensor is critically important for protocol design and for many application...
Nearly Optimal Asynchronous Blind Rendezvous Algorithm for Cognitive Radio Networks
Rendezvous Time to Rendezvous Disjoint Re- laxed Difference Set Cognitive Radio Networks
2016/1/23
Rendezvous is a fundamental process in Cognitive Radio Networks, through which a user establishes a link to communicate with a neighbor on a common channel. Most previous solutions use either a centra...
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...
Simultaneous routing and resource allocation in CDMA wireless data networks
Routing wireless networks data network transmission and network performance
2015/8/11
The optimal routing of data in a wireless network depends on the link capacities, which, in turn, are determined by the allocation of transmit powers across the network. Thus, the optimal network perf...
QoS and fairness constrained convex optimization of resource allocation for wireless cellular and ad hoc networks
Wireless cellular network distribution network resources optimization
2015/8/11
For wireless cellular and ad hoc networks with QoS constraints, we propose a suite of problem formulations that allocate network resources to optimize SIR, maximize throughput, and minimize delay. The...
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...
Fast algorithms for resource allocation in wireless cellular networks
Wireless cellular networks spectrum nonlinear convex programming the allocation of resources
2015/8/7
We consider a scheduled orthogonal frequency division multiplexed (OFDM) wireless cellular network where the channels from the base-station to the n mobile users undergo flat fading. Spectral resource...
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...
Average Consensus in Wireless Sensor Networks with Probabilistic Network Links
Networks Sensor Wireless Consensus Average
2015/1/20
This study proposes and evaluates an average consensus scheme for wireless sensor networks. For this purpose, two communication error models, the fading signal error model and approximated fading sign...
EFFICIENT AND SECURE IMAGE AND VIDEO PROCESSING AND TRANSMISSION IN WIRELESS SENSOR NETWORKS
EFFICIENT SECURE IMAGE VIDEO PROCESSING TRANSMISSION WIRELESS SENSOR NETWORKS
2015/1/20
Sensor nodes forming a network and using wireless communications are highly useful in a variety of applications including battle field (military) surveillance, building security, medical and health se...
Leveraging Multi-radio Communication for Mobile Wireless Sensor Networks
Wireless Low-power mobile
2014/12/8
An important challenge in mobile sensor networks is to enable energy-efficient communication over a diversity of distances while being robust to wireless effects caused by node mobility. In this thesi...
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...
Anonymous Communication in Multi Hop Wireless Networks
Anonymity Unlinkability Wireless networks
2014/3/11
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...