Orthogonal variable spreading factor (ovsf) code assignment

Details Orthogonal variable spreading factor (ovsf) code assignment Orthogonal variable spreading factor (ovsf) code assignment

H - Electricity

04

L

H04L 27/30 (2006.01) H04B 7/26 (2006.01) H04J 11/00 (2006.01) H04Q 7/36 (2006.01) H04Q 7/38 (2006.01)

Patent

CA 2492503

The invention includes a system and methods for orthogonal variable spreading factor (OVSF) code assignment, de-allocation and code tree pruning. The invention also includes OVSF code identification and storage schemes. Embodiments are provided for code tree pruning, code assignment and de- allocation. These embodiments apply to both slotted and non-slotted code division multiple access systems.

La présente invention concerne un système et des procédé d'attribution de code de facteur d'étalement variable orthogonal (OVSF), de désattribution et d'élagage d'arbre de codage. Cette invention concerne aussi une identification et des configurations de stockage de code OVSF. Des modes de réalisation de l'invention permettent d'élaguer un arbre de codage, d'attribuer et de désattribuer un code. Ces modes de réalisation de l'invention s'appliquent aux deux systèmes d'accès multiple par code de répartition synchronisés par tops d'horloge et non synchronisés.

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