Additional modulation information signaling for high speed...

H - Electricity – 04 – L

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H04L 1/00 (2006.01)

Patent

CA 2667968

The modulation indication bit is interpreted as a QPSK/xQAM modulation indication if both the user equipment and the serving cell support 64QAM modulation, such that if QPSK is indicated, the 7 code-set information bits in the HS- SCCH part 1 structure is interpreted as is presently interpreted today as defined in the 3GPP release 5 specification, and if xQAM is indicated, the 7 code-set information bits in the HS-SCCH part 1 structure is interpreted such that only 6 bits are used for code information and one bit is stolen for use for the 16QAM/64QAM selection.

L'invention concerne le bit d'indication de modulation interprété en tant qu'indication de modulation QPSK/xQAM si à la fois l'équipement utilisateur et la cellule de service supportent une modulation 64 QAM, de telle sorte que si QPSK est indiqué, les 7 bits d'information de l'ensemble de code dans la structure de partie 1 HS - SCCH sont interprétés comme ils sont interprétés aujourd'hui, tel que défini dans la spécification 3 GPP version 5, et si xQAM est indiqué, les 7 bits d'information d'ensemble de code dans la structure de partie 1 HS - SCCH sont interprétés de telle sorte que seuls six bits sont utilisés pour des informations de code et un bit est volé pour une utilisation dans la sélection de 16 QAM/64 QAM.

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