Title:
ランダムアクセスチャンネル応答の取り扱い
Document Type and Number:
Japanese Patent JP5853049
Kind Code:
B2
Abstract:
A method and apparatus for supporting a random access using a random access channel (RACH) are disclosed. Each of a plurality of wireless transmit/receive units (WTRUs) sends a random access request to a base station on an uplink RACH preamble. A RACH Response (Access Indication Channel, AICH, message), sent by the base station, is received by each WTRU. The received RACH response signal comprises a control portion (Physical downlink control channel, PDCCH), and a data portion QO (Physical downlink shared channel, PDSCH). The control signal portion of the RACH Response indicates the location of the RACH Response message portion. The RACH Response control signal comprises multiple control channel elements (CCE), where each Q WTRU is allocated a respective CCE to provide its unique RACH Response control signal. The WTRU is configured to locate its intended CCE from among the multiple CCEs sent by the base station. Blind decoding.
More Like This:
Inventors:
Carpenter Earl Pasade
Shanker Soma Sandalam
One Jin
Shanker Soma Sandalam
One Jin
Application Number:
JP2014087504A
Publication Date:
February 09, 2016
Filing Date:
April 21, 2014
Export Citation:
Assignee:
Interdigital Patent Holdings Inc.
International Classes:
H04W74/08; H04W72/04
Foreign References:
| WO2009041779A1 |
Other References:
Message 2 transmission when a dedicated preamble used,3GPP TSG-RAN WG2#59 R2-073315,2007年 8月14日,pp.1-2
Attorney, Agent or Firm:
Patent Business Corporation Tani/Abe Patent Office