NeTS-WN: Cross-Layer Optimizations and Adaptive Protocols for Opportunistic and Collaborative Cognitive Radio Networks
NeTS-WN:机会性和协作性认知无线电网络的跨层优化和自适应协议
基本信息
- 批准号:0721935
- 负责人:
- 金额:--
- 依托单位:
- 依托单位国家:美国
- 项目类别:Continuing Grant
- 财政年份:2007
- 资助国家:美国
- 起止时间:2007-09-01 至 2011-08-31
- 项目状态:已结题
- 来源:
- 关键词:
项目摘要
The focus of this project is on optimal resource allocation and control in collaborative cognitive radio networks (CRNs). Through opportunistic access to the available spectrum, CRNs aim at improving the utilization of network resources by achieving higher spatial reuse, programmable connectivity, and increased network availability. The research agenda includes centralized analytical formulations that aim at optimizing the operation of the bottom three layers as well as distributed routing and medium access protocols that implement the outcomes of such optimization. Joint optimization of spectrum, transmission powers, and rates for CR communications will be considered in the presence of several primary (spectrum-licensed) radio networks (PRNs). No feedback from the PRNs will be assumed. Several formulations will be studied, which differ in the assumptions made on the channel dynamics (indirectly, user mobility), optimization window (packet vs. flow time scale), and availability or otherwise of power masks. Besides one-hop optimizations, the project will also consider multi-channel, multi-path optimizations at the packet and the flow time scales. The optimization results will then be integrated into the design of distributed channel access and path discovery/maintenance protocols for opportunistic CRNs. Depending on the frequency bands of interest, fixed power masks on CR transmissions may or may not be available. Protocols will be developed for both cases. In the absence of a fixed power mask, statistical modeling of PR interference will be conducted and used in the design of a MAC protocol that supports a probabilistic guarantee on the outage rate of PR receptions. The treatment will extend to both connectionless and connection-oriented applications. The cross-disciplinary nature of this project is expected to have a profound impact on many wireless technologies used in both civilian and military applications, including sensor networks, mesh networks, military radios, and wireless LANs. The optimization framework provides a general methodology that can significantly improve the performance, connectivity, and inter-operability of resource-constrained wireless networks in general.
本项目的重点是在协作认知无线电网络(CRN)的最佳资源分配和控制。CRN的目标是通过对可用频谱的机会性接入,实现更高的空间重用、可编程连接和更高的网络可用性,从而提高网络资源的利用率。研究议程包括集中的分析配方,旨在优化操作的底部三层,以及分布式路由和介质访问协议,实现这种优化的结果。联合优化的频谱,传输功率和CR通信速率将被认为是在几个主要的(频谱许可)无线电网络(PRN)的存在。将假定没有来自PRN的反馈。将研究几个配方,不同的信道动态(间接,用户移动性),优化窗口(数据包与流时间尺度),和可用性或其他功率屏蔽的假设。除了单跳优化,该项目还将考虑在数据包和流时间尺度上的多通道、多路径优化。优化结果将被集成到分布式信道接入和路径发现/维护协议的机会CRN的设计。取决于感兴趣的频带,CR传输上的固定功率掩码可能可用或不可用。将为这两种情况制定协议。在没有固定功率屏蔽的情况下,将进行PR干扰的统计建模,并将其用于MAC协议的设计中,该MAC协议支持对PR接收的中断率的概率保证。治疗将扩展到无连接和面向连接的应用程序。该项目的跨学科性质预计将对民用和军用应用中使用的许多无线技术产生深远的影响,包括传感器网络,网状网络,军用无线电和无线局域网。该优化框架提供了一种通用方法,该方法可以显著提高资源受限的无线网络的性能、连接性和互操作性。
项目成果
期刊论文数量(0)
专著数量(0)
科研奖励数量(0)
会议论文数量(0)
专利数量(0)
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Marwan Krunz其他文献
Marwan Krunz的其他文献
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{{ truncateString('Marwan Krunz', 18)}}的其他基金
Collaborative Research: SWIFT: Coexistence and Interference Mitigation in the Mid-Band Spectrum: Analysis, Protocol Design, and Experimentation
合作研究:SWIFT:中频段频谱的共存和干扰缓解:分析、协议设计和实验
- 批准号:
2229386 - 财政年份:2022
- 资助金额:
-- - 项目类别:
Standard Grant
CNS Core: Small: Collaborative Research: A Stochastic Resource Allocation and Task Assignment Framework for Mobile Edge Computing
CNS 核心:小型:协作研究:移动边缘计算的随机资源分配和任务分配框架
- 批准号:
1909562 - 财政年份:2019
- 资助金额:
-- - 项目类别:
Continuing Grant
Phase II IUCRC University of Arizona: Broadband Wireless Access and Applications Center (BWAC)
第二阶段 IUCRC 亚利桑那大学:宽带无线接入和应用中心 (BWAC)
- 批准号:
1822071 - 财政年份:2018
- 资助金额:
-- - 项目类别:
Continuing Grant
NeTS: Medium: Collaborative Research: Coexistence of Heterogeneous Wireless Access Technologies in the 5 GHz Bands
NeTS:媒介:协作研究:5 GHz 频段异构无线接入技术的共存
- 批准号:
1563655 - 财政年份:2016
- 资助金额:
-- - 项目类别:
Continuing Grant
NeTS: Medium: Reconfigurable Antennas and Optimized Multi-channel MIMO Designs for DSA Systems with a Broad Frequency Coverage
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- 批准号:
1513649 - 财政年份:2015
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-- - 项目类别:
Continuing Grant
I/UCRC FRP: Exploiting Self-interference Suppression and Full-duplex Capabilities in Opportunistic Wireless Systems
I/UCRC FRP:在机会无线系统中利用自干扰抑制和全双工功能
- 批准号:
1535573 - 财政年份:2015
- 资助金额:
-- - 项目类别:
Standard Grant
I/UCRC FRP: Collaborative Research: Coexistence of Heterogeneous Secondary Networks for Shared Spectrum Access
I/UCRC FRP:协作研究:共享频谱访问的异构二级网络共存
- 批准号:
1432880 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Standard Grant
TWC: Medium: Leakage of Communications Signatures: Analysis of Eavesdropping Attacks and Proactive Countermeasures
TWC:媒介:通信签名泄露:窃听攻击分析及主动对策
- 批准号:
1409172 - 财政年份:2014
- 资助金额:
-- - 项目类别:
Standard Grant
I/UCRC: Collaborative Research: Cognitive MIMO Communications for Dynamic-spectrum Wireless Networks
I/UCRC:协作研究:动态频谱无线网络的认知 MIMO 通信
- 批准号:
1231043 - 财政年份:2012
- 资助金额:
-- - 项目类别:
Standard Grant
NeTS:Medium:Collaborative Research: Exploiting Battery-Supply Nonlinearities in Optimal Resource Management and Protocol Design for Wireless Sensor Networks
NeTS:Medium:协作研究:在无线传感器网络的最佳资源管理和协议设计中利用电池电源非线性
- 批准号:
0904681 - 财政年份:2009
- 资助金额:
-- - 项目类别:
Standard Grant
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