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1. (WO2019029626) METHOD AND APPARATUS FOR BEAM RECOVERY



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INTERNATIONAL SEARCH REPORT (ISR)
Part 1:  1  2  3  4  5  6          Part 2:  A  B  C  D  E 
International application No. Applicant's or agent's file reference
PCT/CN2018/099641 18PC0247
International filing date (day/month/year) (Earliest) Priority Date (day/month/year)
09 August 2018 11 August 2017
Applicant
INTEL IP CORPORATION et al
FOR FURTHER ACTION: See Form PCT/ISA/220 as well as, where applicable, item 5 below.
This international search report has been prepared by this International Searching Authority and is transmitted to the applicant according to Article 18. A copy is being transmitted to the International Bureau.
It is also accompanied by a copy of each prior art document cited in this report.
1. Basis of the report
a. With regard to the language, the international search was carried out on the basis of:
the international application in the language in which it was filed.
a translation of the international application into                                          which is the language of a translation furnished for the purposes of international search (Rules 12.3(a) and 23.1(b)).
b.
This international search report has been established taking into account the rectification of an obvious mistake authorized by or notified to this Authority under Rule 91 (Rule 43.6bis(a)).
c.
With regard to any nucleotide and/or amino acid sequence disclosed in the international application, the international search was carried out on the basis of a sequence listing:
2. Certain claims were found unsearchable
3. Unity of invention is lacking
4. Title of the invention
The text is approved as submitted by the applicant.
The text has been established by this Authority to read as follows:
5. Abstract
The text is approved as submitted by the applicant.
The text has been established, according to Rule 38.2, by this Authority as it appears in Box No. IV. The applicant may, within one month from the date of mailing of this international search report, submit comments to this Authority.

Provided herein are method and apparatus for beam recovery. It provides an apparatus for a UE (101) including a radio frequency (RF) interface; and processing circuitry configured to: determine beam quality for one or more BPLs between the UE (101) and an access node (111,112); and in response to the beam quality for all of the BPLs being below a first predetermined threshold, encode Physical Random Access Channel (PRACH) data to include a beam recovery request that identifies a candidate beam of the access node (111,112); determine a transmit power for the beam recovery request; and send the PRACH data to the RF interface for transmission to the access node (111,112) with the transmit power. At least they allow for determining a transmission power to transmit a PRACH, to ensure reception of the PRACH, and allow for determining whether to us.


6. Drawings
a.
The figure of the drawings to be published with the abstract is Figure No.     3    
as suggested by the applicant.
as selected by this Authority, because the applicant failed to suggest a figure.
as selected by this Authority, because this figure better characterizes the invention.
b.
none of the figures is to be published with the abstract.

A. CLASSIFICATION OF SUBJECT MATTER

     H04W; 16/28(2009.01)i
According to International Patent Classification (IPC) or to both national classification and IPC

B. FIELDS SEARCHED

Minimum documentation searched (classification system followed by classification symbols):
     H04W; H04L; H04Q
Documentation searched other than minimum documentation to the extent that such documents are included in the fields searched:
Electronic data base consulted during the international search (name of data base and, where practicable, search terms used):
CNPAT,CNKI,WPI,EPODOC: BPLs,beam w quality,beam w pair w links,recovery,PRACH,random w access w channel,threshold,access w node,PUCCH,uplind w control w channel,synchronization

C. DOCUMENTS CONSIDERED TO BE RELEVANT

Category* Citation of document, with indication, where appropriate, of the relevant passages Relevant to claim No.
(1)
A
WO 2017123060 A1 (SAMSUNG ELECTRONICS CO., LTD.) 20 July 2017 (2017-07-20)
1-25
description paragraphs [58],[98],[214]
(2)
A
CN 103875191 A (SAMSUNG ELECTRONICS CO., LTD.) 18 June 2014 (2014-06-18)
1-25
the whole document
(3)
A
CN 102845122 A (RESEARCH IN MOTION LTD.) 26 December 2012 (2012-12-26)
1-25
the whole document
(4)
A
CN 106255209 A (BEIJING ZHIGU RUITUO TECHNOLOGY SERVICES CO., LTD.) 21 December 2016 (2016-12-21)
1-25
the whole document
(5)
A
CN 105247904 A (QUALCOMM INC.) 13 January 2016 (2016-01-13)
1-25
the whole document
(6)
A
CN 106851808 A (PANASONIC CORP.) 13 June 2017 (2017-06-13)
1-25
the whole document
*
Special categories of cited documents:
"A"
document defining the general state of the art which is not considered to be of particular relevance
"E"
earlier application or patent but published on or after the international filing date
"L"
document which may throw doubts on priority claim(s) or which is cited to establish the publication date of another citation or other special reason (as specified)
"O"
document referring to an oral disclosure, use, exhibition or other means
"P"
document published prior to the international filing date but later than the priority date claimed
"T"
later document published after the international filing date or priority date and not in conflict with the application but cited to understand the principle or theory underlying the invention
"X"
document of particular relevance; the claimed invention cannot be considered novel or cannot be considered to involve an inventive step when the document is taken alone
"Y"
document of particular relevance; the claimed invention cannot be considered to involve an inventive step when the document is combined with one or more other such documents, such combination being obvious to a person skilled in the art
"&"
document member of the same patent family

D. INFORMATION ON PATENT FAMILY MEMBERS

Patent document cited in search report Publication date
(day/month/year)
Patent family member(s) Publication date
(day/month/year)
WO 2017123060 A1
20 July 2017
US 2017207843 A1
CN 108476045 A
KR 20170085428 A
20 July 2017
31 August 2018
24 July 2017
CN 103875191 A
18 June 2014
EP 2742604 A1
US 2017155432 A1
AU 2011375057 B2
US 2014056256 A1
WO 2013024942 A1
CN 103875191 B
CA 2844372 C
JP 2017092999 A
JP 2014526217 A
US 2013039345 A1
US 9571171 B2
KR 20130017932 A
US 8594053 B2
AU 2011375057 A1
CA 2844372 A1
KR 101839386 B1
18 June 2014
01 June 2017
03 November 2016
27 February 2014
21 February 2013
08 May 2018
27 February 2018
25 May 2017
02 October 2014
14 February 2013
14 February 2017
20 February 2013
26 November 2013
20 February 2014
21 February 2013
16 March 2018
CN 102845122 A
26 December 2012
EP 2481254 A2
CA 2775313 A1
WO 2011038243 A2
US 8848641 B2
EP 2563068 A2
EP 2563069 A2
US 2013051214 A1
CN 102845122 B
01 August 2012
31 March 2011
31 March 2011
30 September 2014
27 February 2013
27 February 2013
28 February 2013
20 April 2016
CN 106255209 A
21 December 2016
US 2017230849 A1
10 August 2017
CN 105247904 A
13 January 2016
KR 20160009038 A
JP 2016519539 A
EP 2997753 A1
US 2016119762 A1
WO 2014183279 A1
25 January 2016
30 June 2016
23 March 2016
28 April 2016
20 November 2014
CN 106851808 A
13 June 2017
US 2013058315 A1
US 9008050 B2
KR 20180072869 A
US 9439217 B2
EP 2760241 B1
CN 102918896 A
JP 2013529403 A
CN 102918896 B
EP 2553986 B1
US 2015189675 A1
US 2016353393 A1
EP 3358890 A1
EP 2760241 A1
JP 5620569 B2
EP 2553986 A1
07 March 2013
14 April 2015
29 June 2018
06 September 2016
30 May 2018
06 February 2013
18 July 2013
14 September 2016
07 September 2016
02 July 2015
01 December 2016
08 August 2018
30 July 2014
05 November 2014
06 February 2013
Name and mailing address of the ISA/:
STATE INTELLECTUAL PROPERTY OFFICE OF THE P.R.CHINA
6, Xitucheng Rd., Jimen Bridge, Haidian District, Beijing 100088
China
Facsimile No. (86-10)62019451
Date of the actual completion of the international search:
08 October 2018
Date of mailing of the international search report:
07 November 2018
Authorized officer:
FAN,Wei
Telephone No. 86-(10)-53962582
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