NDLI: A Priority-Based Preemptive Channel Resource Allocation Mechanism for TETRA System

Content Provider	IEEE Xplore Digital Library
Author	Cheng Meng Li Hai Ning Xu
Copyright Year	2013
Description	Author affiliation: Sch. of Inf. & Electron., Beijing Inst. of Technol., Beijing, China (Cheng Meng; Li Hai; Ning Xu)
Abstract	As a key characteristic of Terrestrial Trunked Radio (TETRA) networks, call priority has a significant impact on the system's performance. A channel allocation model with priority queuing and resource preemptive capabilities has been proposed in this paper. Different types of voice traffic transmitting through TETRA networks possess different priorities as well as characteristics and demand different channel resources. A reasonable and effective channel assignment scheme is needed to provide better Quality of Service (QoS). In the proposed model, a pre-emptive priority call (including new call or handover call) can preempt any lower priority ongoing calls to ensure that emergency calls can be guaranteed priority service when resources are not immediately available. In addition, by introducing queuing strategies, the call blocking rate and dropping probability of lower priority calls are effectively reduced.
Sponsorship	IEEE Comput. Soc.
Starting Page	1708
Ending Page	1711
File Size	676338
Page Count	4
File Format	PDF
ISBN	9780769551227
DOI	10.1109/IMCCC.2013.377
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-21
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Protocols TETRA system; resource preemption; queuing Quality of service Computer architecture Handover Channel allocation Resource management
Content Type	Text
Resource Type	Article

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