SPACE-DIVISION MULTIPLE ACCESS (SDMA) FOR WIDEBAND CODE DIVISION MULTIPLE ACCESS (WCDMA)

摘要

FIELD: information technology.;SUBSTANCE: larger code space can be defined by introducing multiple code clusters within a sector, wherein each cluster has a unique scrambling code. Codes within a cluster can have orthogonal Walsh sequences that can be assigned to user devices to facilitate communicating over a wireless network and can overlap with codes in another cluster. The unique scrambling code assigned to each cluster can ensure that duplicate Walsh sequences in another cluster in the same sector appear as pseudo-noise codes.;EFFECT: high carrying capacity in WCDMA wireless network with limited codes.;35 cl, 9 dwg