By Hafez Hadinejad-Mahram, Xiaolong Jiang (auth.), Cambyse Guy Omidyar (eds.)
Mobile and instant Communications provides the newest advancements in cellular and instant examine and the undefined, with a large diversity of issues together with:
-UMTS and instant LANs;
-Handoffs, safeguard and mobility;
-CDMA and actual layer together with modulation and coding;
-Methods of verbal exchange features together with a number of entry, blunders keep watch over, move regulate and routing.
Read Online or Download Mobile and Wireless Communications: IFIP TC6 / WG6.8 Working Conference on Personal Wireless Communications (PWC’2002) October 23–25, 2002, Singapore PDF
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Extra info for Mobile and Wireless Communications: IFIP TC6 / WG6.8 Working Conference on Personal Wireless Communications (PWC’2002) October 23–25, 2002, Singapore
3 A Mobile Multicast Framework for CDMA-based Ad Hoc Networks Hsu-Yang Kung and Su-Man Chen Department of Management Information Systems National Pingtung University of Science and Technology, Pingtung, Taiwan 91207 Abstract: 'The objective of this paper is (i) to construct a robust ad hoc mobile network using the Direct Sequence CDMA technology, (ii) to self-create the transmission schedules for downlink and uplink communications, and then (iii) to multicast data packets with the collision-free transmission and the hidden-terminal avoidance.
Operation of the protocol is as follows. Each terminal periodically senses neighbor terminals in wireless LAN by exchanging hello packets, and it generates a link state packet and it sends the packet to the reflector node. When a terminal becomes a file sender terminal, a file advertisement packet and a link state packet are sent to the reflector node. When the reHector node receives a file advertisement packet or a link state packet from a terminal, it immediately sends to all terminals using cellular system.
In our earlier work, we have developed the MAC and routing protocol using ESPAR antenna . The objective of this paper is to illustrate the advantages of multipath routing with directional antenna in the context of WACNet. The routing schemes for ad hoc networks usually employ single-path routing which might not ensure desired end-to-end delay. However, once a set of paths between source s and destination d is discovered, in some cases, it is possible to improve end-to-end delay by splitting the total volume of data into separate blocks and sending them via selected multiple paths from s to d, which would eventually reduce congestion and end-to-end delay .
Mobile and Wireless Communications: IFIP TC6 / WG6.8 Working Conference on Personal Wireless Communications (PWC’2002) October 23–25, 2002, Singapore by Hafez Hadinejad-Mahram, Xiaolong Jiang (auth.), Cambyse Guy Omidyar (eds.)