MAC protocols for wireless networks spatial reuse and energy efficiency

... MULTIPLE ACCESS PROTOCOLS FOR MOBILE COMMUNICATIONS Multiple Access Protocols for Mobile Communications GPRS, UMTS and Beyond Alex Brand Swisscom Mobile, Switzerland Hamid Aghvami ... access protocols for mobile communications: GPRS, UMTS and beyond/ Alex Brand, Hamid Aghvami p.cm Includes bibliographical references and index ISBN 0-4 7 1-...

Ngày tải lên: 02/03/2013, 16:59

... Professional Services Radio Base Station xDSL Street-Level Coverage ILEC CLEC Digivance™ RF Transport Solutions Connectivity Solutions and Services for Wireless Networks Enabling Voice, VoIP, Messaging and ... point Contact product management or TAC for more information X X Connectivity Solutions and Services for Wireless Networks Enabling Voice, VoIP, Mess...

Ngày tải lên: 17/01/2014, 11:20

... IP-Based Next-Generation Wireless Networks IP-Based Next-Generation Wireless Networks Systems, Architectures, and Protocols Jyh-Cheng Chen National Tsing ... Data Chen, Jyh-Cheng IP-based next-generation wireless networks : systems, architectures, and protocols / Jyh-Cheng Chen and Tao Zhang p cm Includes bibliographical references and index ISBN 0-47...

Ngày tải lên: 03/06/2014, 01:45

... Communications and Networking B The PDF of the Random Variable A/ f ∗ Let f ∗ be a random variable that is equal to the maximum among K i.i.d exponential random variables with a parameter λ f If A ... source message against potential attacks The second approach uses more efficiently the available channel feedback and extracts the MUD gain by employing an adaptive PA scheme This ada...

Ngày tải lên: 21/06/2014, 05:20

... can be completely avoided and the lifetime of the BSN can be prolonged Another energy-efficient TDMA-based MAC protocol for wireless BSNs is the BodyMAC [13], which uses flexible and efficient bandwidth ... conditions, an energy-efficiency comparison between DQMAC performance and that of the standard facto 802.15.4 MAC and the BSN -MAC is portrayed BSN -MAC has been selected...

Ngày tải lên: 21/06/2014, 11:20

... A power efficient MAC protocol for wireless body area networks Moshaddique Al Ameen1, Niamat Ullah1, M Sanaullah Chowdhury1, S M Riazul Islam1 and Kyungsup Kwak*1 UWB Wireless Communications ... sana1691@yahoo.com SMRI: riazulislam@ieee.org Abstract Applications of wearable and implanted wireless sensor devices are hot research area A specialized field called the bo...

Ngày tải lên: 21/06/2014, 17:20

... propose cooperative protocols for video transmission to better utilize system resources for performance improvement Moreover, because of the broadcast nature of the phase in cooperative transmission, ... video transmission with side information, we have obtained up to dB gain over the amplify-and-forward or decode-and-forward protocols For the multiuser case, we conce...

Ngày tải lên: 21/06/2014, 20:20

... personal, and local ad hoc wireless networks,” in The Handbook of Ad Hoc Wireless Networks, chapter 1, pp 3–24, CRC Press, Boca Raton, Fla, USA, 2002 [26] S Xu and T Saadawi, “Does IEEE 802.11 MAC protocol ... Summarizing, the SNAPdMac protocol outperforms the IEEE 802.11 DCF [1] and basic power control protocol [2] in static and mobile ad hoc networks both i...

Ngày tải lên: 21/06/2014, 22:20

... pp 171–180, Los Angeles, Calif, USA, November 2003 [18] G Lu, B Krishnamachari, and C S Raghavendra, “An adaptive energy-efficient and low-latency MAC for data gathering in sensor networks, ” in Proceedings ... The channel access is managed by means of the carrier sense multiple access with collision avoidance (CSMA/CA) scheme, as specified in [19] Before transmitting a packet toward...

Ngày tải lên: 22/06/2014, 19:20

... aware multiaccess protocol with signaling for ad hoc networks,” ACM SIGCOMM Computer Communication Review, vol 28, no 3, pp 5–26, 1998 P802.11, “Ieee standard for wireless lan medium access control ... transmission time for each TRFR message comply with a uniform distribution, and carrier sensing is done before sending Since hidden problem is accessible for our system, the per...

Ngày tải lên: 22/06/2014, 22:20

... throughput The effect of MAC for information retrieval on information processing is analyzed in [7, 8] for in nite and finite sensor density networks, respectively, where the performance of the centralized ... bandwidth required for sensors reporting their locations is prohibitively Here, m − points are sought instead of m points in the linear field case MAC for Optima...

Ngày tải lên: 23/06/2014, 00:20

... ANALYSIS, DESIGN AND OPTIMIZATION OF ENERGY EFFICIENT PROTOCOLS FOR WIRELESS SENSOR NETWORKS HOANG DUC CHINH (B.Eng., Hanoi University of Technology, Vietnam) A THESIS SUBMITTED FOR THE ... 21 1.3.4 Energy Efficient Routing and Optimization Methods in Wireless Sensor Networks 24 2.1 Introduction 24 2.2 Routing Protocols for Wireless Sensor Netwo...

Ngày tải lên: 10/09/2015, 09:04

... this dissertation, we design and implement efficient large data dissemination and collection protocols for wireless sensor networks, which outperform state-of-the-art protocols by a large margin ... Efficient Data Dissemination and Collection Protocols for Wireless Sensor Networks Manjunath Doddavenkatappa A THESIS SUBMITTED FOR THE DEGREE OF PhD IN COMP...

Ngày tải lên: 10/09/2015, 09:10

... mainly focus on the design of energy efficient protocols for WSNs in the form of wakeup scheduling of the sensor nodes We propose two energy conserving protocols for different applications, one ... WSN is designed for, it is necessary to make the protocols as energy- efficient as possible The reason is simply because the source of energy for typical sensors are limit...

Ngày tải lên: 05/10/2015, 21:23

... MAC protocols for wireless ad-hoc networks and also energy- efficient MAC protocols for WSNs Chapter presents the design and evaluation of our traffic-adaptive multi-channel MAC protocol for wireless ... the problem of developing MAC protocols for wireless networks, in particularly, wireless sensor networks and wireless ad-hoc network Firstly, to pr...

Ngày tải lên: 10/11/2015, 11:29