TRANSMITTER, TRANSMISSION METHOD, AND RECEIVER

Title:

TRANSMITTER, TRANSMISSION METHOD, AND RECEIVER

Document Type and Number:

WIPO Patent Application WO/2017/119050

Kind Code:

A1

Abstract:

A transmitter in which: channel aggregation is adopted for bundling and transferring usable channels present in a variety of frequency bands; and OFDM, OFDMA, or a similar method is adopted as a modulation scheme, wherein one or more transmission units are provided in parallel to the latter stage of a subcarrier mapping circuit, the transmission units being provided in corresponding fashion to one or more frequency bands, and one or more transmission processing units are provided in parallel to each of the transmission units, the transmission processing units being provided in corresponding fashion to one or a plurality of channels. The transmission processing units each have a high-speed inverse Fourier transform circuit or a discrete inverse Fourier transform circuit, a GI and overlap margin (OM) adding circuit, and a time-axis windowing processing unit. The time-axis windowing processing unit multiplies a desired time-axis window function according to the spectrum mask or transmission power required by each channel, and suppresses the out-of-band radiant power for each channel. The type or window transition length of the time-axis window function being can be set as desired for each channel.

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Inventors:

MIZUTANI KEIICHI (JP)
HARADA HIROSHI (JP)

Application Number:

PCT/JP2016/005257

Publication Date:

July 13, 2017

Filing Date:

December 28, 2016

Export Citation:

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Assignee:

UNIV KYOTO (JP)

International Classes:

H04J1/00; H04L27/26

Domestic Patent References:

WO2012090327A1	2012-07-05
WO2014108947A1	2014-07-17

Foreign References:

JP2015207834A

2015-11-19

Other References:

KEIICHI MIZUTANI ET AL.: "Universal- Windowed Orthogonal Frequency Division Multiplexing", IEICE TECHNICAL REPORT, vol. 115, no. 386, 14 December 2015 (2015-12-14), pages 1 - 6

Attorney, Agent or Firm:

SUGIURA, Masatomo et al. (JP)

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