Pilot design using costas arrays

Details Pilot design using costas arrays Pilot design using costas arrays

H - Electricity

04

L

H04L 27/26 (2006.01) H04L 5/00 (2006.01)

Patent

CA 2721059

A multi-pilot frame handler (36) of a radio access network node (28) is arranged to prepare a block of a frame of information to include a first pilot signal of a pilot signal first type and a first pilot signal of a pilot signal second type. The pilot signal of the pilot signal first type is expressed as a first Costas array base pattern of resource elements of the block; the pilot signal of the second type is expressed as a second Costas array base pattern of resource elements of the block. The multi-pilot frame handler (36) is arranged to prepare the block so that any pilot signal of the pilot signal first type is carried by at least some subcarriers of a first set of subcarriers of the block and any pilot signal of the pilot signal second type is carried by at least some subcarriers of a second set of subcarriers of the block.

L'invention porte sur un gestionnaire de trame à multiples pilotes (36) d'un nud de réseau d'accès radio (28), qui est agencé pour préparer un bloc d'une trame d'informations pour comprendre un premier signal pilote d'un premier type de signal pilote et un premier signal pilote d'un second type de signal pilote. Le signal pilote du premier type de signal pilote est exprimé en tant que premier motif de base de matrice de Costas d'éléments de ressource du bloc; le signal pilote du second type est exprimé en tant que second motif de base de matrice de Costas d'éléments de ressource du bloc. Le gestionnaire de trame à multiples pilotes (36) est agencé pour préparer le bloc de telle sorte que tout signal pilote du premier type de signal pilote est transporté par au moins certaines sous-porteuses d'un premier ensemble de sous-porteuses du bloc et tout signal pilote du second type de signal pilote est transporté par au moins certaines sous-porteuses d'un second ensemble de sous-porteuses du bloc.

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