A Dynamic Channel Allocation Mechanism in Cellular Mobile Networks for Ubiquitous Environments Based on Time Constraints

  • SeongHoon Lee
  • DongWoo Lee
  • Donghee Shim
  • Dongyoung Cho
  • Wankwon Lee
Part of the Lecture Notes in Computer Science book series (LNCS, volume 3983)


The new real-time applications like multimedia and real-time services in a wireless network for ubiquitous environments will be dramatically increased. However, many real-time services of mobile hosts in a cell cannot be continued because of insufficiency of useful channels. Conventional channel assignment approaches didn’t properly consider the problem to serve real-time applications in a cell. This paper proposes a new real-time channel assignment algorithm based on time constraint analysis of channel requests. The proposed algorithm dynamically borrows available channels from neighboring cells. It also supports a smooth handoff which continuously serves real-time applications of the mobile hosts.


Mobile Host Channel Assignment Channel Allocation Handoff Call Call Request 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.


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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • SeongHoon Lee
    • 1
  • DongWoo Lee
    • 2
  • Donghee Shim
    • 3
  • Dongyoung Cho
    • 3
  • Wankwon Lee
    • 3
  1. 1.Division of Information & Communication EngineeringCheonan UniversityChoongnamRepublic of Korea
  2. 2.Department of Computer EngineeringWoosong UniversityDaejeonRepublic of Korea
  3. 3.School of Information Technology & EngineeringJeonju UniversityChonbukRepublic of Korea

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