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NeTS: Small: Collaborative: PHY-Informed Networking (PHY-IN): Rethinking Wireless Protocol Design with the Knowledge of PHY

NeTS: Small: Collaborative: PHY-Informed Networking (PHY-IN): Rethinking Wireless Protocol Design with the Knowledge of PHY
NetS:小型:协作:PHY 通知网络 (PHY-IN):利用 PHY 知识重新思考无线协议设计
批准号:
1018369
负责人:
Romit Roy Choudhury
金额:
$24.0万
依托单位:
依托单位国家:
美国
项目类别:
Standard Grant
财政年份:
2010
资助国家:
美国
项目状态:
已结题
起止时间:
2010-09-01 至 2014-04-30

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中文摘要
翻译
传统上,在带宽受限的无线网络中,物理层(PHY)和更高层的网络堆栈的责任一直是相互隔离的,导致效率严重低下。要弥补这些效率低下的问题,需要重新思考和重新设计无线协议,使高层和物理层不能协同工作。本项目探索了PHY-信息网(PHY-IN)框架下的三个方案。1)具有冲突通知的载波侦听多路访问(CSMA/CN)机制检测并中止冲突,脱离了现有的基于冲突避免(CSMA/CA)的方案,例如802.11。2)基于星座的速率(CBAR)自适应方案跳跃到适合于变化的信道的最佳可行速率。3)重映射方案通过置换比特到副载波的分配来提高重传的成功率,PHY-IN框架具有潜在的影响未来无线网络协议的前景。除了指导本科生和研究生成为独立的研究人员外,这个项目,包括一所EPSCoR大学和一个研究实验室,也将有助于扩大参与和行业合作。
英文摘要
Traditionally, there has been an isolation of responsibilities ofphysical layer (PHY) and higher layers of the network stack leading tosevere inefficiencies in bandwidth-limited wirelessnetworks. Remedying these inefficiencies requires rethinking andredesigning wireless protocols such that higher layers and PHY work insynergy. This project explores three schemes under the PHY-InformedNetworking (PHY-IN) framework. 1) Carrier Sense Multiple Access withCollision Notification (CSMA/CN) mechanism detects and abortscollisions, breaking away from the existing collision avoidance(CSMA/CA) based schemes such as 802.11. 2) Constellation BAsed Rate(CBAR) adaptation scheme jumps to the best feasible rate suitable fora varying channel. 3) Remap scheme permutes bit-to-subcarrierassignment for a retransmission to improve the chances of its success.The PHY-IN framework has the potential to impact the landscape offuture wireless networking protocols. Apart from mentoring bothundergraduate and graduate students into independent researchers, thisproject, involving an EPSCoR university and a research lab, will alsohelp broaden the participation and industry collaboration.
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