Terminal apparatus and sequence assigning method

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United States of America Patent

PATENT NO 9912432
SERIAL NO

15182523

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Abstract

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Provided is a sequence allocation method capable of reducing inter-cell interference of a reference signal when a ZC sequence is used as the reference signal in a mobile communication system. In the sequence allocation method, R×M sequences specified by a ZC sequence number r (r=1 to R) and a cyclic shift sequence number m (m=1 to M) are divided into a plurality of sequence groups X (X=1 to R) in accordance with the transmission band width of the reference signal, so that the ZC sequence is allocated to each cell in each sequence group unit. When it is assumed that R=9 and M=6, the number of sequences is 54. Each of the sequence groups is formed by two sequences. Accordingly, the number of sequence groups is 27. The 27 types of sequence groups are allocated to each cell.

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Patent Owner(s)

  • PANASONIC CORPORATION

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Futagi, Sadaki Ishikawa, JP 199 1673
Imamura, Daichi Beijing, CN 748 6116
Ogawa, Yoshihiko Kanagawa, JP 282 1757
Takata, Tomofumi Ishikawa, JP 131 891

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