Title:
BASE STATION DEVICE, TERMINAL DEVICE, AND COMMUNICATION METHOD
Document Type and Number:
WIPO Patent Application WO/2017/077771
Kind Code:
A1
Abstract:
Provided are a base station device, a terminal device, and a communication method that enable cell searching with a degree of accuracy that satisfies the required conditions of wireless parameter sets. Provided are the following: a wireless reception unit that receives downlink signals, in a frequency bandwidth constituted from a first wireless parameter-set region and a second wireless parameter-set region having a subcarrier interval different from that of the first wireless parameter set; and a synchronization detection unit that establishes synchronization with the base station device, in the aforementioned frequency bandwidth. A synchronization signal sequence of the first wireless parameter set is mapped to the region of the first wireless parameter set, and a synchronization signal sequence of the second wireless parameter set is mapped to the region of the second wireless parameter set. In the aforementioned frequency bandwidth, the synchronization detection unit performs synchronization detection with the base station device, using the synchronization signal sequence of the first wireless parameter set and the synchronization signal sequence of the second wireless parameter set.
Inventors:
YOSHIMOTO TAKASHI
YAMADA RYOTA
HAMAGUCHI YASUHIRO
YAMADA RYOTA
HAMAGUCHI YASUHIRO
Application Number:
PCT/JP2016/077212
Publication Date:
May 11, 2017
Filing Date:
September 15, 2016
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H04J11/00; H04W56/00
Domestic Patent References:
| WO2014098522A1 | 2014-06-26 |
Foreign References:
| US20130007039A1 | 2013-01-03 |
Other References:
NAOKI NOGUCHI ET AL.: "Fast Cell Search Method Based on Estimated Frequency Offset Using PSS and SSS for LTE Heterogeneous Networks Using Separate Frequency Spectrum", IEICE TECHNICAL REPORT, vol. 114, no. 372, 11 December 2014 (2014-12-11), pages 73 - 78
Attorney, Agent or Firm:
FUKUCHI Takeo (JP)
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