US8134998B2

5G,4G

Title

RADIO COMMUNICATION BASE STATION APPARATUS AND RADIO COMMUNICATION METHOD

Application Number:

US201113114696

Publication Date:

13-03-2012

Current Assignee:

SUN PATENT TRUST

Family ID:

38287713

Application Date:

24-05-2011

Publication Country:

US

View on Espacenet

Priority Date:

20-01-2006

Declaring Company:

PANASONIC CORP

Abstract  Abstract

Provided is a base station capable of performing cell search of all mobile stations having different communicable frequency band widths in a scalable band width communication system to which a multi-carrier communication method such as the OFDM method is applied. The base station includes: a modulation unit ( 102) for modulating SCH data after being encoded; a sub carrier setting unit (105) for setting one of the sub carriers to a sub carrier (SCH sub carrier) constituting the OFDM symbol for SCH data transmission; and an IFFT unit (106) for mapping the SCH data to the sub carrier set by the sub carrier setting unit (105) among the sub carriers and performing IFFT to generate an OFDM symbol. The sub carrier setting unit (105) sets one of the sub carriers which has a frequency of a common multiple between the sub carrier interval and the cell search interval as an SCH sub carrier.

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