USER DEVICE, BASE STATION, AND COMMUNICATION METHOD

Title:

USER DEVICE, BASE STATION, AND COMMUNICATION METHOD

Document Type and Number:

WIPO Patent Application WO/2017/141574

Kind Code:

A1

Abstract:

Provided is a user device in a wireless communication system having a base station and a user device. The user device has: a reporting unit that reports, to the base station, a band combination supported by the user device, the number of MIMO layers, a modulation scheme, and a UE category supported by the user device; and a reception unit that, if the maximum bitrate achievable with carrier aggregation carried out using the band combination supported by the user device, the number of MIMO layers, and the modulation scheme is greater than the maximum bitrate that should be supported in the UE category supported by the user device, receives data from the base station at at most the maximum bitrate that should be supported by the user device in the UE category.

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Inventors:

TAKAHASHI HIDEAKI (JP)
UCHINO TOORU (JP)
KIYOSHIMA KOHEI (JP)

Application Number:

PCT/JP2017/000561

Publication Date:

August 24, 2017

Filing Date:

January 11, 2017

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Assignee:

NTT DOCOMO INC (JP)

International Classes:

H04W72/12; H04W8/22; H04W72/04

Other References:

"3rd Generation Partnership Project;Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA);User Equipment (UE) radio access capabilities (Release 13", 3GPP TS 36.306, 8 January 2016 (2016-01-08), pages 11 - 17, XP055410935, Retrieved from the Internet [retrieved on 20170303]
"3rd Generation Partnership Project;Technical Specification Group Radio Access Network; Evolved Universal Terrestrial Radio Access (E-UTRA);Radio Resource Control (RRC); Protocol specification (Release 13", 3GPP TS 36.331, 7 January 2016 (2016-01-07), pages 128 - 132, XP055401369, Retrieved from the Internet [retrieved on 20170303]
See also references of EP 3419368A4

Attorney, Agent or Firm:

ITOH, Tadashige et al. (JP)

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