INVESTIGATION OF HANDOVER IN WCDMA
Journal Title: International Journal of Physical and Social Sciences (IJPSS) - Year 2012, Vol 2, Issue 9
Abstract
Third generation wireless system is based on the WCDMA access technique. In this technique, all users share the same bandwidth simultaneously but with different codes. So in Soft Handoff (WCDMA) new user will demand new OVSF codes. This behavior effectively reduces the total number of available OVSF codes in each cell. The effective available OVSF codes in each cell decreases as the percentage of calls in soft handover increases. Due to their blocking property these codes cannot be used efficiently. So this paper presents a new non- orthogonal variable spreading factor (NOVSF) codes to support a quite large number code candidates for more user used in multi-rate next-generation wireless system.
Authors and Affiliations
Kuldeep Sharma, Gagandeep, Virender Mehla
Keywords
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