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Performance analysis of channel assignment methods for multiple carrier CDMA cellular systems

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3 Author(s)
Bongyong Song ; New Technol. Dev. Div., SK Telecom, Seoul, South Korea ; Jeong Cheol Kim ; Sehyun Oh

We analyze performance of two channel assignment methods applicable to multiple carrier CDMA cellular systems. They are ICCA (independent carrier channel assignment) method and CCCA (combined carrier channel assignment) method. In ICCA, traffic channels of each carrier are handled independently so that each MS (mobile station) is allocated a traffic channel of the same carrier as is used in its idle state. In contrast, CCCA scheme combines all traffic channels in a system. When a BS (base station) receives a new call request, a BS searches least occupied carrier and allocates a traffic channel in that carrier. For the smooth handoff (soft handoff), carrier transition is not allowed for a handoff call. Performance measures considered are Erlang capacity, H/W resource utilization and cell coverage stability. It is shown that CCCA outperforms ICCA in each performance measure

Published in:

Vehicular Technology Conference, 1999 IEEE 49th  (Volume:1 )

Date of Conference:

Jul 1999