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Conference Paper: A novel push-and-pull hybrid data broadcast scheme for wireless information networks

TitleA novel push-and-pull hybrid data broadcast scheme for wireless information networks
Authors
KeywordsCommunications
Issue Date2000
PublisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000104
Citation
The 2000 IEEE International Conference on Communications (ICC 2000), New Orleans, LA., 18-22 June 2000. In Conference Proceedings, 2000, v. 3, p. 1778-1782 How to Cite?
AbstractA new push-and-pull hybrid data broadcast scheme is proposed for providing wireless information services to three types of clients, general, pull and priority clients. Only pull and priority clients have the back channel for sending requests to the broadcast server. There is no scalability problem with the hybrid scheme because the amount of pull and priority clients is very small. Based on the requests collected from pull and priority clients, the server estimates the interest pattern changes of the whole client population. Then the broadcast schedule on the push channel for the next broadcast cycle is adjusted. Besides the push channel, a small amount of broadcast bandwidth is allocated to a pull channel. The data to be broadcast on the pull channel is decided by the server in real-time and priority is given to requests from priority clients. Simulations show that with a time-varying client interest pattern, the average data access time for all three types of clients can be minimized. Because of the priority in using the pull channel, priority clients can achieve the lowest access time and pull clients can achieve a lower access time than general clients. To further improve the performance, the hybrid scheme with local client cache is also investigated.
Persistent Identifierhttp://hdl.handle.net/10722/46202
ISSN

 

DC FieldValueLanguage
dc.contributor.authorHu, JHen_HK
dc.contributor.authorYeung, LKen_HK
dc.contributor.authorFeng, Gen_HK
dc.contributor.authorLeung, KFen_HK
dc.date.accessioned2007-10-30T06:44:42Z-
dc.date.available2007-10-30T06:44:42Z-
dc.date.issued2000en_HK
dc.identifier.citationThe 2000 IEEE International Conference on Communications (ICC 2000), New Orleans, LA., 18-22 June 2000. In Conference Proceedings, 2000, v. 3, p. 1778-1782en_HK
dc.identifier.issn1044-4556en_HK
dc.identifier.urihttp://hdl.handle.net/10722/46202-
dc.description.abstractA new push-and-pull hybrid data broadcast scheme is proposed for providing wireless information services to three types of clients, general, pull and priority clients. Only pull and priority clients have the back channel for sending requests to the broadcast server. There is no scalability problem with the hybrid scheme because the amount of pull and priority clients is very small. Based on the requests collected from pull and priority clients, the server estimates the interest pattern changes of the whole client population. Then the broadcast schedule on the push channel for the next broadcast cycle is adjusted. Besides the push channel, a small amount of broadcast bandwidth is allocated to a pull channel. The data to be broadcast on the pull channel is decided by the server in real-time and priority is given to requests from priority clients. Simulations show that with a time-varying client interest pattern, the average data access time for all three types of clients can be minimized. Because of the priority in using the pull channel, priority clients can achieve the lowest access time and pull clients can achieve a lower access time than general clients. To further improve the performance, the hybrid scheme with local client cache is also investigated.en_HK
dc.languageengen_HK
dc.publisherIEEE. The Journal's web site is located at http://ieeexplore.ieee.org/xpl/conhome.jsp?punumber=1000104en_HK
dc.relation.ispartofIEEE International Conference on Communications (ICC)-
dc.rights©2000 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.en_HK
dc.rightsCreative Commons: Attribution 3.0 Hong Kong License-
dc.subjectCommunicationsen_HK
dc.titleA novel push-and-pull hybrid data broadcast scheme for wireless information networksen_HK
dc.typeConference_Paperen_HK
dc.identifier.openurlhttp://library.hku.hk:4550/resserv?sid=HKU:IR&issn=1044-4556&volume=3&spage=1778&epage=1782&date=2000&atitle=A+novel+push-and-pull+hybrid+data+broadcast+scheme+for+wireless+information+networksen_HK
dc.identifier.emailYeung, Kwan L:kyeung@eee.hku.hk-
dc.identifier.authorityYeung, Kwan L=rp00204-
dc.description.naturepublished_or_final_versionen_HK
dc.identifier.doi10.1109/ICC.2000.853810en_HK
dc.identifier.scopuseid_2-s2.0-0033683926-
dc.identifier.hkuros53745-
dc.identifier.volume3-
dc.identifier.spage1778-
dc.identifier.epage1782-
dc.identifier.scopusauthoridHu, JianHao=23008755200-
dc.identifier.scopusauthoridYeung, Kwan L=7202424908-
dc.identifier.scopusauthoridFeng, Gang=7401641884-
dc.identifier.scopusauthoridLeung, KF=7401860865-
dc.customcontrol.immutablesml 151016 - merged-

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