RADIO COMMUNICATION TERMINAL, RADIO BASE STATION AND RADIO COMMUNICATION METHOD

WIPO Patent Application WO/2015/045959

A1

In order to perform PRACH transmission taking into account a coverage expansion, this radio communication terminal to which a coverage expansion is applied has a transmission unit which transmits a random access preamble using radio resources defined for radio communication terminals to which the coverage expansion is applied, and in time band, frequency band, series, or a combination of these, the radio resources determined for radio communication terminals to which the coverage expansion is applied are different from the radio resources defined for radio communication terminals to which coverage expansion is not applied.

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YASUKAWA SHIMPEI (JP)
TAKEDA KAZUKI (JP)
NAGATA SATOSHI (JP)

PCT/JP2014/074414

April 02, 2015

September 16, 2014

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NTT DOCOMO INC (JP)

H04W74/08; H04W4/70; H04W72/04

INTEL CORPORATION: "Discussion on PRACH Coverage Enhancement for Low Cost MTC", 3GPP TSG- RAN WG1#74 RL-132930, 23 August 2013 (2013-08-23), XP050716170, Retrieved from the Internet
ZTE: "Physical Random Access Channel Coverage Enhancement", 3GPP TSG-RAN WG1#74 R1- 133063, 23 August 2013 (2013-08-23), XP050716290, Retrieved from the Internet
ERICSSON, ST-ERICSSON: "Random access for enhanced coverage MTC UE", 3GPP TSG-RAN WG1#74 RL-133423, 23 August 2013 (2013-08-23), XP050716532, Retrieved from the Internet
See also references of EP 3051915A4

AOKI, Hiroyoshi et al. (JP)
Hiroyoshi Aoki (JP)

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