MOBILE ADͳHOC NETWORKS: PROTOCOL DESIGN Edited by Xin Wang Mobile Ad-Hoc Networks: Protocol Design Edited by Xin Wang Published by InTech Janeza Trdine 9, 51000 Rijeka, Croatia Copyright © 2011 InTech All chapters are Open Access articles distributed under the Creative Commons Non Commercial Share Alike Attribution 3.0 license, which permits to copy, distribute, transmit, and adapt the work in any medium, so long as the original work is properly cited. After this work has been published by InTech, authors have the right to republish it, in whole or part, in any publication of which they are the author, and to make other personal use of the work. Any republication, referencing or personal use of the work must explicitly identify the original source. Statements and opinions expressed in the chapters are these of the individual contributors and not necessarily those of the editors or publisher. No responsibility is accepted for the accuracy of information contained in the published articles. The publisher assumes no responsibility for any damage or injury to persons or property arising out of the use of any materials, instructions, methods or ideas contained in the book. Publishing Process Manager Iva Lipovic Technical Editor Teodora Smiljanic Cover Designer Martina Sirotic Image Copyright Andreas Guskos, 2010. Used under license from Shutterstock.com First published January, 2011 Printed in India A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Mobile Ad-Hoc Networks: Protocol Design, Edited by Xin Wang p. cm. ISBN 978-953-307-402-3 free online editions of InTech Books and Journals can be found at www.intechopen.com [...]... 15 35 15 41 Xu, K., Gerla, M & Bae, S (2002) How effective is the IEEE 802 .11 RTS/CTS handshake in ad hoc networks? , Conf Rec IEEE GLOBECOM 2002, pp 72–76 Zhang, B & Mouftah, H T (2005) QoS routing for wireless ad hoc networks: problems, algorithms, and protocols, IEEE Commun Mag 43 (10 ): 11 0 11 7 Zhao, Z., Long, S & Shu, Y (2006) Cross-layer adaptive rate control for video transport over wireless ad hoc. .. networks We need to modify the mechanism more efficiently 18 Mobile Ad- Hoc Networks: Protocol Design 10 000 Number of routing packets 9000 8000 7000 6000 Average load = 10 0 kb/s LQHR OLSR-SS AODV-SS 5000 4000 3000 2000 10 00 0 20.0 95 % confidence interval 25.0 30.0 Inter-node distance [m] 35.0 Fig 11 Number of control packets for routing Figure 11 shows the number of routing packets during a simulation... audio 2.5 Average load = 10 0 kb/s 2.0 1. 5 LQHR OLSR-SS AODV-SS OLSR AODV 1. 0 0.5 95 % confidence interval 0.0 20.0 25.0 30.0 Inter-node distance [m] Fig 4 Coefficient of variation of output interval for audio 35.0 14 Mobile Ad- Hoc Networks: Protocol Design Coefficient of variation of output interval for video 4.0 Average load = 10 0 kb/s 3.5 LQHR OLSR-SS AODV-SS OLSR AODV 3.0 2.5 2.0 1. 5 1. 0 0.5 95 % confidence... practical topology networks like those with many mobile nodes Fig 3 Network configuration We formulate a detailed simulation model which is based on the distributed coordination function (DCF) of the IEEE 802 .11 b The transmission speed is automatically changed from 2 Mb/s to 11 Mb/s by means of the rate adaptation mechanism In this chapter, we employ 10 Mobile Ad- Hoc Networks: Protocol Design ARF (Automatic... 2005, pp 640–643 Gharavi, H & Ban, K (2004) Dynamic adjustment packet control for video communications over ad- hoc networks, Conf Rec IEEE ICC 2004 22 Mobile Ad- Hoc Networks: Protocol Design Guilford, J P (19 54) Psychometric methods, McGraw-Hill Itaya, S., Hasegawa, J., Hasegawa, A & Davis, P (2005) Achieving stable operation of ad hoc wireless networks with neighbor pre-selection and synchronous... in Cross-Layer Designed Ad Hoc Networks Average MU delay of video [ms] 10 00 15 Average load = 10 0 kb/s 900 600 LQHR OLSR-SS AODV-SS OLSR AODV 500 95 % confidence interval 800 700 400 300 200 10 0 0 20.0 25.0 30.0 Inter-node distance [m] 35.0 Fig 7 Average MU delay of video Average load = 10 0 kb/s 95 % confidence interval synchronization [ms2] Mean square error of inter-stream 10 000 10 00 10 0 LQHR OLSR-SS... over IP networks, Proc IASTED Intl Conf COMMUNICATIONS AND COMPUTER NETWORKS, pp 230–237 Kamerman, A & Monteban, L (19 97) WaveLAN-II: A high-performance wireless LAN for the unlicensed band, Bell Labs Technical Journal, pp 11 8 13 3 Lin, X H., Kwok, Y K & Lau, V K N (2003) On channel-adaptive routing in an IEEE 802 .11 b based ad hoc wireless network, Conf Rec IEEE GLOBECOM 2003 Mosteller, F (19 51) Remarks... Motani, M (2005) Cross-layer design: A survey and the road ahead, IEEE Commun Mag 43 (12 ): 11 2 11 9 Steinmetz, R (19 96) Human perception of jitter and media synchronization, IEEE J Sel Areas in Commun 14 (1) : 61 72 Tasaka, S & Ito, Y (2003) Psychometric analysis of the mutually compensatory property of multimedia QoS, Conf Rec IEEE ICC 2003, pp 18 80 18 86 Tasaka, S., Nunome, T & Ishibashi, Y (2000) Live... mechanisms in mobile ad hoc networks, Proc IEEE/IFIP WONS 2006 Clausen, T & Jacquet, P (2003) RFC 3626, Optimized link state routing protocol (OLSR) Fan, Z (2004) High throughput reactive routing in multi-rate ad hoc networks, Electronics Letters 40(25) Frias, V C., Delgado, G D., Igartua, M A., Delgado, J A & Diaz, J M (2005) QoS provision for video-streaming applications over ad hoc networks, Proc... the main reasons to use ad- hoc network Fig 1 A Mobile Ad- hoc Network (MANET) In the past researches, mobile ad- hoc networks are seen as a part of the Internet, with IPcentric layered architecture This architecture has two main advantages: it simplifies the interconnection to the Internet, and guarantees the independence from heterogeneous wireless technologies The layered paradigm, which has significantly . Service Purposes in Ad Hoc Networks 85 Khalil Amine Towards Reliable Mobile Ad Hoc Networks 99 Ricardo Lent and Javier Barria ADHOCTCP: Improving TCP Performance in Ad Hoc Networks 12 1 Seyed Mohsen. MOBILE AD HOC NETWORKS: PROTOCOL DESIGN Edited by Xin Wang Mobile Ad- Hoc Networks: Protocol Design Edited by Xin Wang Published by InTech Janeza Trdine 9, 510 00 Rijeka, Croatia Copyright. and Fatemeh Torgheh Cross Layer Design in Ad Hoc Networks 13 9 Cross–Layer Design in Wireless Ad Hoc Networks with Multiple Antennas 14 1 Ehsan Soleimani-Nasab, Mehrdad Ardebilipour and Mahdi Kashiha Contents Contents VI Performance