Encoded control channel information interleaving

H - Electricity – 04 – L

Patent

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H04L 1/00 (2006.01) H03M 13/27 (2006.01)

Patent

CA 2721442

Systems and methodologies are described that facilitate interleaving encoded control channel information for transmission over an uplink channel. The encoded control channel information, for example, can include encoded Channel Quality Indicator (CQI) information, encoded Precoding Matrix Indicator (PMI) information, and/or Rank Indicator (RI) information. CQI information, PMI information, and/or RI information can be encoded at an access terminal, for instance, by applying a punctured Reed Muller block code to generate a sequence of encoded bits. The encoded bits can be interleaved to reorder the sequence utilizing one or more interleaving approaches. Examples of interleaving approaches that can be leveraged include prime number based interleaving, generalized bit reversal interleaving, column-row interleaving with column bit reversal, and/or M-sequence based interleaving. Further, the reordered sequence of encoded bits can be transmitted to a base station over an uplink channel.

Linvention concerne des systèmes et des méthodologies qui facilitent lentrelacement dinformations de canal de commande codées pour une transmission sur un canal de liaison montante. Les informations de canal de commande codées, par exemple, peuvent comprendre des informations dindicateur de qualité de canal (CQI) codées, des informations dindicateur de matrice de précodage (PMI) codées et/ou des informations dindicateur de rang (RI). Les informations CQI, les informations PMI et/ou les informations RI peuvent être encodées au niveau dun terminal daccès, par exemple, en appliquant un code de bloc de Reed Muller perforé pour générer une séquence de bits codés. Les bits codés peuvent être entrelacés pour réordonner la séquence en utilisant une ou plusieurs approches dentrelacement. Des exemples dapproches dentrelacement qui peuvent être mises à profit comprennent lentrelacement à base de nombres premiers, lentrelacement dinversion de bits généralisée, lentrelacement de colonnes-lignes avec inversion de bits de colonne et/ou lentrelacement à base de séquence M. En outre, la séquence réordonnée de bits codés peut être transmise à une station de base sur un canal de liaison montante.

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