Mobile station apparatus, reception method and integrated circuit
A base station apparatus is provided, which includes a generator configured to generate a synchronization signal and a transmitter configured to transmit the generated synchronization signal. The generator is configured to generate a synchronization signal to be mapped on a subcarrier included in one of a plurality of frequency resource candidates that are separated by an interval, which is a common multiple of a determined frequency spacing and a subcarrier spacing between contiguous subcarriers, wherein the subcarrier spacing does not have a value that is a divisor of the determined frequency spacing.
1. A mobile station apparatus comprising:
a detection section configured to detect a synchronization signal mapped on a subcarrier included in one of a plurality of frequency resource candidates that are separated by an interval, which is a common multiple of a determined frequency spacing and a subcarrier spacing between contiguous subcarriers, wherein the subcarrier spacing does not have a value that is a divisor of the determined frequency spacing; and
a cell search section configured to perform a cell search using the detected synchronization signal.
2. The mobile station apparatus according to claim 1 , wherein the determined frequency spacing is a spacing between frequencies at which carriers can be set.
3. The mobile station apparatus according to claim 1 , wherein the determined frequency spacing is a frequency spacing for performing a cell search.
4. The mobile station apparatus according to claim 1 , wherein the subcarrier on which the synchronization signal is mapped is around a center frequency of said one of the plurality of frequency resource candidates that include said subcarrier.
5. The mobile station apparatus according to claim 1 , wherein the subcarrier on which the synchronization signal is mapped is a subcarrier that is closest to a center frequency of a communication frequency bandwidth.
6. The mobile station apparatus according to the claim 1 , wherein the determined frequency interval is a channel raster of a base station apparatus.
7. A reception method performed by a mobile station apparatus, comprising:
detecting a synchronization signal mapped on a subcarrier included in one of a plurality of frequency resource candidates that are separated by an interval, which is a common multiple of a determined frequency spacing and a subcarrier spacing between contiguous subcarriers, wherein the subcarrier spacing does not have a value that is a divisor of the determined frequency spacing; and
performing a cell search using the detected synchronization signal.
8. The reception method according to claim 7 , wherein the determined frequency spacing is a spacing between frequencies at which carriers can be set.
9. The reception method according to claim 7 , wherein the determined frequency spacing is a frequency spacing for performing a cell search.
10. The reception method according to claim 7 , wherein the subcarrier on which the synchronization signal is mapped is around a center frequency of said one of the plurality of frequency resource candidates that include said subcarrier.
11. The reception method according to claim 7 , wherein the subcarrier on which the synchronization signal is mapped is a subcarrier that is closest to a center frequency of a communication frequency bandwidth.
12. The reception method according to claim 7 , wherein the determined frequency interval is a channel raster of a base station apparatus.
13. An integrated circuit for controlling a process comprising:
detecting a synchronization signal mapped on a subcarrier included in one of a plurality of frequency resource candidates that are separated by an interval, which is a common multiple of a determined frequency spacing and a subcarrier spacing between contiguous subcarriers, wherein the subcarrier spacing does not have a value that is a divisor of the determined frequency spacing; and
performing a cell search using the detected synchronization signal.
14. The integrated circuit according to claim 13 , wherein the determined frequency spacing is a spacing between frequencies at which carriers can be set.
15. The integrated circuit according to claim 13 , wherein the determined frequency spacing is a frequency spacing for performing a cell search.
16. The integrated circuit according to claim 13 , wherein the subcarrier on which the synchronization signal is mapped is around a center frequency of said one of the plurality of frequency resource candidates that include said subcarrier.
17. The integrated circuit according to claim 13 , wherein the subcarrier on which the synchronization signal is mapped is a subcarrier that is closest to a center frequency of a communication frequency bandwidth.
18. The integrated circuit according to claim 13 , wherein the determined frequency interval is a channel raster of a base station apparatus.