TERMINAL DEVICE, BASE STATION DEVICE, COMMUNICATION METHOD, AND INTEGRATED CIRCUIT

WIPO Patent Application WO/2017/188012

A1

Provided is a method for implementing a PUCCH in a TTI not exceeding 1 ms. This terminal device is provided with a transmission unit for transmitting an uplink signal in a PUCCH corresponding to one SC-FDMA symbol, and a control unit for determining a cyclic shift for transmitting in the PUCCH. The uplink signal is generated on the basis of a first sequence and a second sequence. The first sequence is obtained by applying a first cyclic shift to a third sequence, and the second sequence is obtained by applying a second cyclic shift to the third sequence. The value of the first cyclic shift and the value of the second cyclic shift are obtained on the basis of which of the following is transmitted in the PUCCH: only a SR; only a HARQ-ACK; or a SR and a HARQ-ACK.

YOSHIMURA TOMOKI
HAYASHI TAKASHI
SUZUKI SHOICHI
AIBA TATSUSHI
OUCHI WATARU
LIU LIQING
IMAMURA KIMIHIKO

PCT/JP2017/015152

November 02, 2017

April 13, 2017

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SHARP KK (JP)

H04L27/26; H04L1/16; H04W72/04; H04W72/12

JP2011523248A

2011-08-04

LENOVO: "Considerations on TTI shortening for UL", 3GPP TSG-RAN WG1#84 RL-161018, 19 February 2016 (2016-02-19), XP051054322
"PUCCH design in eLAA", 3GPP TSG- RAN WG1#84B RL-162939, 15 April 2016 (2016-04-15), XP051080423
3GPP TS 36.211, March 2016 (2016-03-01), pages 29 - 46,61-62, XP055438437

NISHIZAWA Kazuyoshi et al. (JP)

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