Channel carrying: a novel handoff scheme for mobile cellular networks

We present a new scheme that addresses the call handoff problem in mobile cellular networks. Efficiently solving the handoff problem is important for guaranteeing quality of service to already admitted calls in the network. Our scheme is based on a new approach called channel carrying: when a mobile...

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Bibliographic Details
Published in:IEEE/ACM transactions on networking Vol. 7; no. 1; pp. 38 - 50
Main Authors: Junyi Li, Shroff, N.B., Chong, E.K.P.
Format: Journal Article
Language:English
Published: IEEE 01.02.1999
Subjects:
Cellular
Cellular communication
Cellular networks
Channel allocation
Channels
Frequency
Interchannel interference
Interference
Interference constraints
Land mobile radio cellular systems
Locking
Movement
Networks
Quality of service
Time division multiple access
Wireless communication
ISSN:1063-6692
Online Access:Get full text
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Summary:We present a new scheme that addresses the call handoff problem in mobile cellular networks. Efficiently solving the handoff problem is important for guaranteeing quality of service to already admitted calls in the network. Our scheme is based on a new approach called channel carrying: when a mobile user moves from one cell to another, render certain mobility conditions, the user is allowed to carry its current channel into the new cell. We propose a new channel assignment scheme to ensure that this movement of channels will not lead to any extra co-channel interference or channel locking. In our scheme, the mobility of channels relies entirely on localized information, and no global coordination is required. Therefore, the scheme is simple and easy to implement. We further develop a hybrid channel carrying scheme that allows us to maximize performance under various constraints.
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ISSN:1063-6692
DOI:10.1109/90.759316