Secondary synchronization codebook for e-utran

H - Electricity – 04 – J

Patent

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H04J 11/00 (2006.01) H04B 1/7073 (2011.01) H04W 88/02 (2009.01) G06F 15/02 (2006.01)

Patent

CA 2699973

Providing for sec-ondary synchronization encoding utilizing a primary synchronization channel (P-SCH)-related scrambling code is described herein. Scrambled secondary synchronization codes (SSCs) can be assigned to multiple base stations of a radio access net-work (RAN). By way of example, PSC-based scrambling codes can be created from a plurality of M-se-quences generated from a common polynomial expression. Further, an SSC codebook is provided that se-lects sequence pairs of a sequence matrix for generating SSCs. Selec-tion can be based on transmission characteristics of resulting SSCs, providing reduced interference in planned, semi-planned and/or un-planned mobile deployments.

La présente invention concerne un codage de synchronisation secondaire utilisant un code de brouillage lié à canal de synchronisation primaire (P-SCH). Des codes de synchronisation secondaire brouillés (SSC) peuvent être alloués à de multiples stations de base d'un réseau d'accès radio (RAN). Par exemple, des codes de brouillage basés sur un code de synchronisation primaire (PSC) peuvent être créés à partir d'une pluralité de séquences M générées à partir d'une expression polynomiale commune. En outre, un livre de codage SSC est proposé, lequel sélectionne des paires de séquences d'une matrice de séquences pour générer des SSC. La sélection peut être basée sur des caractéristiques de transmission de SSC résultant, fournissant une interférence réduite dans des déploiements mobiles panifiés, semi-planifiés et/ou non planifiés.

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