`
`Receipt of Electronic Submission
`(cid:4)(cid:5)(cid:6)(cid:5)(cid:7)(cid:8)(cid:9) (cid:10)(cid:11) (cid:12)(cid:13)(cid:5)(cid:6)(cid:9)(cid:14)(cid:10)(cid:15)(cid:7)(cid:6) (cid:16)(cid:17)(cid:18)(cid:19)(cid:7)(cid:20)(cid:20)(cid:7)(cid:10)(cid:15)
`
`It is hereby acknowledged that a PCT International Application has been received
`(cid:21)(cid:9) (cid:7)(cid:20) (cid:22)(cid:5)(cid:14)(cid:5)(cid:18)(cid:23) (cid:24)(cid:6)(cid:25)(cid:15)(cid:10)(cid:26)(cid:13)(cid:5)(cid:27)(cid:28)(cid:5)(cid:27) (cid:9)(cid:22)(cid:24)(cid:9) (cid:24) (cid:29)(cid:30)(cid:31) (cid:21)(cid:15)(cid:9)(cid:5)(cid:14)(cid:15)(cid:24)(cid:9)(cid:7)(cid:10)(cid:15)(cid:24)(cid:13) (cid:32)(cid:8)(cid:8)(cid:13)(cid:7)(cid:6)(cid:24)(cid:9)(cid:7)(cid:10)(cid:15) (cid:22)(cid:24)(cid:20) (cid:18)(cid:5)(cid:5)(cid:15) (cid:14)(cid:5)(cid:6)(cid:5)(cid:7)(cid:33)(cid:5)(cid:27)
`via the CEPCT Electronic Application System of the SIPO. Upon receipt, Application
`(cid:33)(cid:7)(cid:24) (cid:9)(cid:22)(cid:5) (cid:30)(cid:12)(cid:29)(cid:30)(cid:31) (cid:12)(cid:13)(cid:5)(cid:6)(cid:9)(cid:14)(cid:10)(cid:15)(cid:7)(cid:6) (cid:32)(cid:8)(cid:8)(cid:13)(cid:7)(cid:6)(cid:24)(cid:9)(cid:7)(cid:10)(cid:15) (cid:16)(cid:23)(cid:20)(cid:9)(cid:5)(cid:19) (cid:10)(cid:11) (cid:9)(cid:22)(cid:5) (cid:16)(cid:21)(cid:29)(cid:35)(cid:36) (cid:37)(cid:8)(cid:10)(cid:15) (cid:14)(cid:5)(cid:6)(cid:5)(cid:7)(cid:8)(cid:9)(cid:38) (cid:32)(cid:8)(cid:8)(cid:13)(cid:7)(cid:6)(cid:24)(cid:9)(cid:7)(cid:10)(cid:15)
`Number and a Date of Receipt
`(Administrative Instructions, Part 7) has been
`(cid:39)(cid:17)(cid:19)(cid:18)(cid:5)(cid:14) (cid:24)(cid:15)(cid:27) (cid:24) (cid:40)(cid:24)(cid:9)(cid:5) (cid:10)(cid:11) (cid:4)(cid:5)(cid:6)(cid:5)(cid:7)(cid:8)(cid:9) (cid:41)(cid:32)(cid:27)(cid:19)(cid:7)(cid:15)(cid:7)(cid:20)(cid:9)(cid:14)(cid:24)(cid:9)(cid:7)(cid:33)(cid:5) (cid:21)(cid:15)(cid:20)(cid:9)(cid:14)(cid:17)(cid:6)(cid:9)(cid:7)(cid:10)(cid:15)(cid:20)(cid:38) (cid:29)(cid:24)(cid:14)(cid:9) (cid:42)(cid:43) (cid:22)(cid:24)(cid:20) (cid:18)(cid:5)(cid:5)(cid:15)
`automatically assigned.
`(cid:24)(cid:17)(cid:9)(cid:10)(cid:19)(cid:24)(cid:9)(cid:7)(cid:6)(cid:24)(cid:13)(cid:13)(cid:23) (cid:24)(cid:20)(cid:20)(cid:7)(cid:28)(cid:15)(cid:5)(cid:27)(cid:36)
`
`
`Submission Number:
`(cid:16)(cid:17)(cid:18)(cid:19)(cid:7)(cid:20)(cid:20)(cid:7)(cid:10)(cid:15) (cid:39)(cid:17)(cid:19)(cid:18)(cid:5)(cid:14)(cid:44)
`
`101950
`(cid:45)(cid:46)(cid:45)(cid:47)(cid:48)(cid:46)
`
`Application Number:
`(cid:32)(cid:8)(cid:8)(cid:13)(cid:7)(cid:6)(cid:24)(cid:9)(cid:7)(cid:10)(cid:15) (cid:39)(cid:17)(cid:19)(cid:18)(cid:5)(cid:14)(cid:44)
`
`PCT/CN2017/070130
`(cid:29)(cid:30)(cid:31)(cid:49)(cid:30)(cid:39)(cid:50)(cid:46)(cid:45)(cid:42)(cid:49)(cid:46)(cid:42)(cid:46)(cid:45)(cid:51)(cid:46)
`
`Date of Receipt:
`(cid:40)(cid:24)(cid:9)(cid:5) (cid:10)(cid:11) (cid:4)(cid:5)(cid:6)(cid:5)(cid:7)(cid:8)(cid:9)(cid:44)
`
`04 January 2017
`(cid:46)(cid:52) (cid:53)(cid:24)(cid:15)(cid:17)(cid:24)(cid:14)(cid:23) (cid:50)(cid:46)(cid:45)(cid:42)
`
`China Intellectual Property Office
`Receiving Office:
`(cid:30)(cid:22)(cid:7)(cid:15)(cid:24) (cid:21)(cid:15)(cid:9)(cid:5)(cid:13)(cid:13)(cid:5)(cid:6)(cid:9)(cid:17)(cid:24)(cid:13) (cid:29)(cid:14)(cid:10)(cid:8)(cid:5)(cid:14)(cid:9)(cid:23) (cid:35)(cid:11)(cid:11)(cid:7)(cid:6)(cid:5)
`(cid:4)(cid:5)(cid:6)(cid:5)(cid:7)(cid:33)(cid:7)(cid:15)(cid:28) (cid:35)(cid:11)(cid:11)(cid:7)(cid:6)(cid:5)(cid:44)
`
`Your Reference:
`(cid:54)(cid:10)(cid:17)(cid:14) (cid:4)(cid:5)(cid:11)(cid:5)(cid:14)(cid:5)(cid:15)(cid:6)(cid:5)(cid:44)
`
`PF160799PCT
`(cid:29)(cid:55)(cid:45)(cid:56)(cid:46)(cid:42)(cid:47)(cid:47)(cid:29)(cid:30)(cid:31)
`
`TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
`Applicant:
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`
`2 O
`
`(cid:50)
`
`N-DEMAND REQUEST FOR SYSTEM INFORMATION
`(cid:35)(cid:39)(cid:34)(cid:40)(cid:12)(cid:61)(cid:32)(cid:39)(cid:40) (cid:4)(cid:12)(cid:62)(cid:37)(cid:12)(cid:16)(cid:31) (cid:55)(cid:35)(cid:4) (cid:16)(cid:54)(cid:16)(cid:31)(cid:12)(cid:61) (cid:21)(cid:39)(cid:55)(cid:35)(cid:4)(cid:61)(cid:32)(cid:31)(cid:21)(cid:35)(cid:39)
`
`|04 January 2017 14:05:42
`PF160799PCT-appb-PO00001. pdf [51897
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`04 January 2017 14:05:42
`PF160799PCT-appb. xml
`758
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`(cid:42)(cid:48)(cid:63)
`|04 January 2017 14:05:42
`PF160799PCT-cgpa-1000001. pdf |90718
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`(cid:29)(cid:55)(cid:45)(cid:56)(cid:46)(cid:42)(cid:47)(cid:47)(cid:29)(cid:30)(cid:31)(cid:34)(cid:6)(cid:28)(cid:8)(cid:24)(cid:34)(cid:21)(cid:46)(cid:46)(cid:46)(cid:46)(cid:46)(cid:45)(cid:36)(cid:8)(cid:27)(cid:11) (cid:47)(cid:46)(cid:42)(cid:45)(cid:63)
`04 January 2017 14:05:42
`PF160799PCT-fees. xml
`3303
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`(cid:29)(cid:55)(cid:45)(cid:56)(cid:46)(cid:42)(cid:47)(cid:47)(cid:29)(cid:30)(cid:31)(cid:34)(cid:11)(cid:5)(cid:5)(cid:20)(cid:36)(cid:64)(cid:19)(cid:13)
`(cid:51)(cid:51)(cid:46)(cid:51)
`|04 January 2017 14:05:42
`PF160799PCT-othd-000001. pdf
`[59946
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`(cid:29)(cid:55)(cid:45)(cid:56)(cid:46)(cid:42)(cid:47)(cid:47)(cid:29)(cid:30)(cid:31)(cid:34)(cid:10)(cid:9)(cid:22)(cid:27)(cid:34)(cid:46)(cid:46)(cid:46)(cid:46)(cid:46)(cid:45)(cid:36)(cid:8)(cid:27)(cid:11)
`(cid:48)(cid:47)(cid:47)(cid:52)(cid:56)
`04 January 2017 14:05:42
`PF160799PCT-requ. xml
`6220
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`(cid:29)(cid:55)(cid:45)(cid:56)(cid:46)(cid:42)(cid:47)(cid:47)(cid:29)(cid:30)(cid:31)(cid:34)(cid:14)(cid:5)(cid:65)(cid:17)(cid:36)(cid:64)(cid:19)(cid:13)
`(cid:56)(cid:50)(cid:50)(cid:46)
`04 January 2017 14:05:42
`PF160799PCT-v log. xml
`2228
`(cid:46)(cid:52) (cid:53)(cid:24)(cid:15)(cid:17)(cid:24)(cid:14)(cid:23) (cid:50)(cid:46)(cid:45)(cid:42) (cid:45)(cid:52)(cid:44)(cid:46)(cid:48)(cid:44)(cid:52)(cid:50)
`(cid:29)(cid:55)(cid:45)(cid:56)(cid:46)(cid:42)(cid:47)(cid:47)(cid:29)(cid:30)(cid:31)(cid:34)(cid:33)(cid:13)(cid:10)(cid:28)(cid:36)(cid:64)(cid:19)(cid:13)
`(cid:50)(cid:50)(cid:50)(cid:63)
`C=CN, ST=Bei Jing, L=Bei Jing, O= [EAAPAU, OU= FARA
`(cid:30)(cid:66)(cid:30)(cid:39)(cid:38)(cid:16)(cid:31)(cid:66)(cid:59)(cid:5)(cid:7)(cid:53)(cid:7)(cid:15)(cid:28)(cid:38)(cid:57)(cid:66)(cid:59)(cid:5)(cid:7)(cid:53)(cid:7)(cid:15)(cid:28)(cid:38)(cid:35)(cid:66)(cid:67)(cid:68)(cid:69)(cid:70)(cid:71)(cid:72)(cid:73)(cid:38)(cid:35)(cid:37)(cid:66)(cid:67)(cid:68)(cid:69)(cid:70)
`ree, OU=AG ACT ASEV MT, CN=11247_001
`(cid:71)(cid:72)(cid:73)(cid:38)(cid:35)(cid:37)(cid:66)(cid:74)(cid:75)(cid:76)(cid:77)(cid:78)(cid:79)(cid:80)(cid:81)(cid:82)(cid:83)(cid:38)(cid:30)(cid:39)(cid:66)(cid:45)(cid:45)(cid:50)(cid:52)(cid:42)(cid:84)(cid:46)(cid:46)(cid:45)
`
`Number of Applicants:
`(cid:39)(cid:17)(cid:19)(cid:18)(cid:5)(cid:14) (cid:10)(cid:11) (cid:32)(cid:8)(cid:8)(cid:13)(cid:7)(cid:6)(cid:24)(cid:15)(cid:9)(cid:20)(cid:44)
`
`Title:
`(cid:31)(cid:7)(cid:9)(cid:13)(cid:5)(cid:44)
`
`Documents Submitted:
`(cid:40)(cid:10)(cid:6)(cid:17)(cid:19)(cid:5)(cid:15)(cid:9)(cid:20) (cid:16)(cid:17)(cid:18)(cid:19)(cid:7)(cid:9)(cid:9)(cid:5)(cid:27)(cid:44)
`
`Signed by:
`(cid:16)(cid:7)(cid:28)(cid:15)(cid:5)(cid:27) (cid:18)(cid:23)(cid:44)
`
`
`
`
`Timestamp of Receipt:
`(cid:31)(cid:7)(cid:19)(cid:5)(cid:20)(cid:9)(cid:24)(cid:19)(cid:8) (cid:10)(cid:11) (cid:4)(cid:5)(cid:6)(cid:5)(cid:7)(cid:8)(cid:9)(cid:44)
`
`04 January 2017 15:31
`(cid:46)(cid:52) (cid:53)(cid:24)(cid:15)(cid:17)(cid:24)(cid:14)(cid:23) (cid:50)(cid:46)(cid:45)(cid:42) (cid:45)(cid:48)(cid:44)(cid:51)(cid:45)
`
`9E779D8D738EC032573101617083372B
`Official Digest of
`(cid:4)(cid:5)(cid:6)(cid:6)(cid:4)(cid:7)(cid:8)(cid:7)(cid:6)(cid:9)(cid:8)(cid:5)(cid:10)(cid:11)(cid:9)(cid:12)(cid:13)(cid:6)(cid:9)(cid:14)(cid:11)(cid:14)(cid:15)(cid:14)(cid:6)(cid:10)(cid:8)(cid:9)(cid:9)(cid:6)(cid:12)(cid:16)
`(cid:35)(cid:11)(cid:11)(cid:7)(cid:6)(cid:7)(cid:24)(cid:13) (cid:40)(cid:7)(cid:28)(cid:5)(cid:20)(cid:9) (cid:10)(cid:11)
`Submission:
`
`(cid:16)(cid:17)(cid:18)(cid:19)(cid:7)(cid:20)(cid:20)(cid:7)(cid:10)(cid:15)(cid:44)
`
`/Beijing, RO/CN/
`(cid:49)(cid:59)(cid:5)(cid:7)(cid:85)(cid:7)(cid:15)(cid:28)(cid:38) (cid:4)(cid:35)(cid:49)(cid:30)(cid:39)(cid:49)
`
`

`

`PF160799PCT
`PCT REQUEST
`
`1/5
`Print Out (Original in Electronic Form)
`
`0
`0-1
`0-2
`
`0-3
`
`For receiving Office use only
`International Application No.
`International Filing Date
`
`Name of receiving Office and "PCT Interna-
`tional Application"
`
`0-4
`0-4-1
`
`Form PCT/RO/101 PCT Request
`Prepared Using
`
`0-5
`
`0-6
`
`0-7
`I
`
`II
`II-1
`II-2
`II-4
`II-5
`
`II-6
`II-7
`II-8
`II-9
`II-11
`
`Petition
`The undersigned requests that the present
`international application be processed
`according to the Patent Cooperation Treaty
`Receiving Office (specified by the
`applicant)
`
`Applicant's or agent's file reference
`Title of Invention
`
`Applicant
`This person is
`Applicant for
`Name
`Address
`
`State of nationality
`State of residence
`Telephone No.
`Facsimile No.
`Applicant's registration No. with the Office
`
`CEPCT
`Version 1.01.00 MT/FOP 20140331/0.20.5.21
`
`State Intellectual Property Office of the People’s
`Republic of China (RO/CN)
`PF160799PCT
`ON-DEMAND REQUEST FOR SYSTEM
`INFORMATION
`Applicant only
`All designated States
`TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
`SE-164 83 Stockholm
`Sweden
`SE
`SE
`
`

`

`PF160799PCT
`PCT REQUEST
`
`III-1
`III-1-1
`III-1-2
`III-1-4
`III-1-5
`
`Applicant and/or inventor
`This person is
`Applicant for
`Name (LAST, First)
`Address
`
`State of nationality
`III-1-6
`State of residence
`III-1-7
`III-1-11 Applicant's registration No. with the Office
`III-2
`Applicant and/or inventor
`III-2-1
`This person is
`III-2-3
`Inventor for
`III-2-4
`Name (LAST, First)
`III-2-5
`Address
`
`III-3
`III-3-1
`III-3-3
`III-3-4
`III-3-5
`
`Applicant and/or inventor
`This person is
`Inventor for
`Name (LAST, First)
`Address
`
`2/5
`Print Out (Original in Electronic Form)
`
`Applicant and inventor
`SC
`FAN, Rui
`No.5 Lize East Street, Chaoyang District
`Beijing 100102
`China
`CN
`CN
`
`Inventor only
`LIU, Jinhua
`No.5 Lize East Street, Chaoyang District
`Beijing 100102
`China
`Inventor only
`FRENGER, Pal
`Enskiftesgatan 8, SE-583 34 LINKOEPING
`Sweden
`
`

`

`PF160799PCT
`PCT REQUEST
`
`3/5
`Print Out (Original in Electronic Form)
`
`IV-1
`
`IV-1-1
`IV-1-2
`
`Agent or common representative; or
`address for correspondence
`The person identified below is hereby/has
`been appointed to act on behalf of the
`applicant(s) before the competent Interna-
`tional Authorities as:
`Name
`Address
`
`Agent
`
`ZHONGZI LAW OFFICE
`7F, New Era Building, 26 Pinganli Xidajie, Xicheng
`District
`Beijing 100034
`China
`86-10-66091188
`86-10-66091199
`mail@zhongziip.com
`as advance copies followed by paper notifications
`
`11247
`
`Telephone No.
`IV-1-3
`Facsimile No.
`IV-1-4
`e-mail
`IV-1-5
`IV-1-5(a) E-mail authorization
`The receiving Office, the International
`Searching Authority, the International
`Bureau and the International Preliminary
`Examining Authority are authorized to use
`this e-mail address, if the Office or
`Authority so wishes, to send notifications
`issued in respect of this international
`application:
`Agent's registration No.
`DESIGNATIONS
`The filing of this request constitutes under
`Rule 4.9(a), the designation of all
`Contracting States bound by the PCT on
`the international filing date, for the grant
`of every kind of protection available and,
`where applicable, for the grant of both
`regional and national patents.
`Item V-2 may only be used to exclude
`(irrevocably) the designations concerned
`if, at the time of filing or subsequently
`under Rule 26bis.1, the international
`application contains in Box No. VI a
`priority claim to an earlier national
`application filed in the particular State
`concerned, in order to avoid the ceasing of
`the effect, under the national law, of this
`earlier national application.
`NONE
`Priority Claim
`International Searching Authority Chosen State Intellectual Property Office of the People’s
`Republic of China (ISA/CN)
`
`IV-1-6
`V
`V-1
`
`V-2
`
`VI-1
`VII-1
`
`

`

`PF160799PCT
`PCT REQUEST
`
`4/5
`Print Out (Original in Electronic Form)
`
`Number of declarations
`
`Declarations
`Declaration as to the identity of the inventor -
`-
`Declaration as to the applicant's entitlement,
`as at the international filing date, to apply for
`and be granted a patent
`-
`Declaration as to the applicant's entitlement,
`as at the international filing date, to claim the
`priority of the earlier application
`-
`Declaration of inventorship (only for the
`purposes of the designation of the United
`States of America)
`-
`Declaration as to non-prejudicial disclosures
`or exceptions to lack of novelty
`Check list
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`45 EQF
`1375 EQF
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`➪
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`0
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`Other :
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`

`

` PF160799PCT
`
`
`ON-DEMAND REQUEST FOR SYSTEM INFORMATION
`
`
`FIELD OF THE INVENTION
`
`[0001]
`The present disclosure generally relates to communications, and more
`specifically, relates to wireless communications.
`
`
`BACKGROUND
`
`[0002]
`In a communication network such as Long Term Evolution (LTE) system,
`system information (SI) is important as it can provide necessary information to a user
`terminal, such as a user equipment (UE) or a wireless device, for linking with the
`communication network. In new radio (NR), SI may be classified into minimum SI
`and other SI. Minimum SI is the SI that a user terminal must read before it can know
`how to access the network. Other SI is the SI not within minimum SI. SI may be
`transmitted to the user terminal in a master information block (MIB) and/or a system
`information block (SIB). For example, minimum SI may correspond to MIB, SIB1
`and SIB2 in LTE. Other SI may correspond to those remaining SIBs. Since other SI is
`not necessary for a user terminal to access network, in order to achieve energy
`efficiency, it may be desirable that the SI may be requested on demand.
`
`SUMMARY
`
`[0003]
`This summary is provided to introduce a selection of concepts in a
`simplified form that are further described below in detailed description. This
`summary is not intended to identify key features or essential features of the claimed
`subject matter, nor is it intended to be used to limit the scope of the claimed subject
`matter.
`
`[0004]
`The present disclosure proposes a solution of on-demand request for SI,
`which may enable a communication network to transmit or broadcast SI, such as
`
`1
`
`

`

`
`
`other SI as mentioned previously, according to a request for the SI from a user
`terminal.
`
`[0005]
`According to a first aspect of the present disclosure, there is provided a
`method for requesting SI, which may be performed at an apparatus such as a user
`terminal. The method may comprise transmitting a request for at least one group of SI
`from a user terminal to a network node. The SI may be grouped according to a feature
`of the SI. The method may further comprise receiving one or more groups of SI from
`the network node. The one or more groups of SI may comprise the at least one group
`of SI.
`
`[0006]
`In an exemplary embodiment, the method according to the first aspect of
`the present disclosure may further comprise receiving an indicator from the network
`node. The indicator may indicate at least one of: which group of SI is being
`transmitted from the network node, and which group of SI is scheduled to be
`transmitted from the network node.
`
`[0007]
`According to a second aspect of the present disclosure, there is provided
`an apparatus for requesting SI. The apparatus may comprise at least one processor
`and at least one memory comprising computer program code. The at least one
`memory and the computer program code may be configured to, with the at least one
`processor, cause the apparatus at least to perform any step of the method according to
`the first aspect of the present disclosure.
`
`[0008]
`According to a third aspect of the present disclosure, there is provided a
`computer program product comprising a computer-readable medium bearing
`computer program codes embodied therein for use with a computer. The computer
`program codes may comprise code for performing any step of the method according
`to the first aspect of the present disclosure.
`
`
`
`2
`
`

`

`
`
`[0009]
`According to a fourth aspect of the present disclosure, there is provided an
`apparatus for requesting SI. The apparatus may comprise a transmitting module and a
`receiving module. In accordance with some exemplary embodiments, the transmitting
`module may be operable to carry out at least the transmitting step of the method
`according to the first aspect of the present disclosure. The receiving module may be
`operable to carry out at least the receiving step of the method according to the first
`aspect of the present disclosure.
`
`[0010]
`According to a fifth aspect of the present disclosure, there is provided a
`method for transmission of SI, which may be performed at an apparatus such as a
`network node. The method may comprise receiving a request for at least one group of
`SI from a user terminal to a network node. The SI may be grouped according to a
`feature of the SI. The method may further comprise transmitting one or more groups
`of SI from the network node. The one or more groups of SI may comprise the at least
`one group of SI.
`
`[0011]
`In an exemplary embodiment, the method according to the fifth aspect of
`the present disclosure may further comprise transmitting an indicator from the
`network node. The indicator may indicate at least one of: which group of SI is being
`transmitted from the network node, and which group of SI is scheduled to be
`transmitted from the network node.
`
`[0012]
`According to a sixth aspect of the present disclosure, there is provided an
`apparatus for transmission of SI. The apparatus may comprise at least one processor
`and at least one memory comprising computer program code. The at least one
`memory and the computer program code may be configured to, with the at least one
`processor, cause the apparatus at least to perform any step of the method according to
`the fifth aspect of the present disclosure.
`
`[0013]
`
`According to a seventh aspect of the present disclosure, there is provided
`
`
`
`3
`
`

`

`
`
`a computer program product comprising a computer-readable medium bearing
`computer program codes embodied therein for use with a computer. The computer
`program codes may comprise code for performing any step of the method according
`to the fifth aspect of the present disclosure.
`
`[0014]
`According to an eighth aspect of the present disclosure, there is provided
`an apparatus for transmission of SI. The apparatus may comprise a receiving module
`and a transmitting module. In accordance with some exemplary embodiments, the
`receiving module may be operable to carry out at least the receiving step of the
`method according to the fifth aspect of the present disclosure. The transmitting
`module may be operable to carry out at least the transmitting step of the method
`according to the fifth aspect of the present disclosure.
`
`[0015]
`In accordance with some exemplary embodiments, the feature of the SI
`may comprise at least one of functionality and periodicity of the SI.
`
`[0016]
`In accordance with some exemplary embodiments, the request for the at
`least one group of SI may comprise a preamble for indicating the at least one group
`of SI. The at least one group of SI may be indicated by a sequence of the preamble or
`the transmission timing of the preamble. For example, the indication of the at least
`one group of SI by the preamble may be predefined or derived based at least partly on
`notification information from the network node.
`
`[0017]
`In accordance with some exemplary embodiments, the one or more groups
`of SI from the network node may further comprise at least another group of SI which
`is not requested by the user terminal.
`
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`[0018]
`
`The disclosure itself, the preferable mode of use and further objectives are
`
`
`
`4
`
`

`

`
`
`the
`the following detailed description of
`to
`best understood by reference
`embodiments when read in conjunction with the accompanying drawings, in which:
`
`[0019]
`Fig.1 is a flowchart illustrating a method for requesting SI according to an
`embodiment of the present disclosure;
`
`[0020]
`Fig.2 is a flowchart illustrating a method for transmission of SI according
`to another embodiment of the present disclosure;
`
`[0021]
`Fig.3 is a block diagram illustrating an apparatus according to an
`embodiment of the present disclosure; and
`
`[0022]
`Fig.4 is a block diagram illustrating another apparatus according to an
`embodiment of the present disclosure.
`
`
`DETAILED DESCRIPTION
`
`[0023]
`The embodiments of the present disclosure are described in detail with
`reference to the accompanying drawings. Reference throughout this specification to
`features, advantages, or similar language does not imply that all of the features and
`advantages that may be realized with the present disclosure should be or are in any
`single embodiment of the disclosure. Rather, language referring to the features and
`advantages is understood to mean that a specific feature, advantage, or characteristic
`described in connection with an embodiment is included in at least one embodiment
`of the present disclosure. Furthermore, the described features, advantages, and
`characteristics of the disclosure may be combined in any suitable manner in one or
`more embodiments. One skilled in the relevant art will recognize that the disclosure
`may be practiced without one or more of the specific features or advantages of a
`particular embodiment. In other instances, additional features and advantages may be
`recognized in certain embodiments that may not be present in all embodiments of the
`
`
`
`5
`
`

`

`
`
`disclosure.
`
`[0024]
`In a wireless network such as new radio (NR), SI may be broadcasted by a
`network node, such as a base station or a next generation Node B (gNB), in a cell to
`all user terminals monitoring the specific cell. It is important for a user terminal to
`maintain the required SI because otherwise it cannot interact with the network in an
`interoperable manner. As mentioned previously, minimum SI in NR corresponds to
`MIB, SIB1 and SIB2 in LTE. There are some assumptions about how to request other
`SI from the network. For example, some messages like MSG1 and/or MSG3 may be
`used to carry a request for other SI.
`
`[0025]
`If using one preamble of MSG1 to carry a request for all other SI, then it
`may result in unnecessary transmission of some undesired other SI. This is because
`there is quite a lot of other SI in the system and the network may have to broadcast all
`other SI when it receives such preamble to request other SI. However, a user terminal
`may not need all the other SI.
`
`[0026]
`If using MSG3 to request other SI, since there could be contention during
`a random access procedure, the network may not be able to detect MSG3 reliably in
`time. In addition, there are additional overhead and delay because more messages are
`transmitted for requesting other SI.
`
`[0027]
`The present disclosure proposes a solution of on-demand request for SI. In
`the proposed solution, SI may be classified into several relevant or correlated groups.
`When a user terminal wants to request some specific SI, it can request from a
`network node a group of SI in which the specific SI is comprised. Then, the network
`node can know which group of SI the user terminal actually needs, and broadcast the
`requested group of SI accordingly. In this way, the network node can transmit or
`broadcast the SI to the user terminal with more energy efficiency. On the other hand,
`transmission resources and energy also can be saved from the view point of the user
`
`
`
`6
`
`

`

`
`
`terminal, since it does not need to send additional SI request if another user terminal
`has already sent a request for the same SI as required by the user terminal.
`
`[0028]
`Fig.1 is a flowchart illustrating a method for requesting SI according to an
`embodiment of the present disclosure. The method illustrated in Fig.1 may be
`performed by an apparatus implemented at a user terminal or communicatively
`coupled to a user terminal. In accordance with the exemplary embodiment, the user
`terminal may comprise a UE, a mobile station, a wireless device, a personal digital
`assistant (PDA), a laptop computer, a tablet computer, a smart phone, a portable
`device, or any other user device being capable of participating in communication of a
`wireless network.
`
`[0029]
`According to the exemplary method illustrated in Fig.1, a request for at
`least one group of SI may be transmitted from a user terminal to a network node at
`step 102. In the exemplary embodiment, the SI may be grouped or classified
`according to a feature of the SI. It will be realized that the SI mentioned here may
`comprise other SI than minimum SI in the context of NR. It is noted that the term of
`“SI” used herein and the exemplary illustration of grouping of SI are not limited to
`NR and LTE. The proposed methods, apparatus and related products herein may also
`be applicable to other suitable network environments, although some exemplary
`embodiments are described with respect to NR and LTE. As described previously,
`minimum SI corresponds to MIB, SIB1 and SIB2 in LTE, and accordingly other SI
`corresponds to SIB3 until SIB21. The feature of the SI may be learned from the SIB
`definition in LTE. For example, the feature of the SI may comprise at least one of
`functionality and periodicity of the SI. However, other suitable rules may also be
`expected to be applicable for learning more features of SI.
`
`[0030]
`Table 1 exemplarily shows the functional description of some SIBs in
`LTE. It can be seen from Table 1 that the SIBs carrying SI are not fully independent
`
`
`
`7
`
`

`

`
`
`to each other. For example, SIB3 to SIB8 are all related to how to do cell reselection,
`although each SIB has different responsibility. Therefore, the SI in these SIBs can be
`grouped together. For SIB10 to SIB12, these SIBs are all related to warning and alert.
`Therefore, the SI in these SIBs can be group together. For SIB18 to SIB19, the SIBs
`are both related to device-to-device (D2D) sidelink communication. Accordingly, the
`SI in these two SIBs can be grouped together. The remaining SI can be grouped
`together. Thus, the SI carried by the SIBs listed in Table 1 may be classified into four
`groups.
`
`SIB
`
`Table 1
`
`Description
`
`SIB3
`
`SIB4
`SIB5
`SIB6
`SIB7
`SIB8
`…
`
`SIB10
`
`SIB11
`
`Parameters required for intra-frequency, inter-frequency and I-RAT cell
`re-selections
`Information regarding INTRA-frequency neighboring cells (E-UTRA)
`Information regarding INTER-frequency neighboring cells (E-UTRA)
`Information for re-selection to INTER-RAT (UTRAN cells)
`Information for re-selection to INTER-RAT (GERAN cells)
`Information for re-selection to INTER-RAT (CDMA2000)
`…
`ETWS (Earthquake and Tsunami Warning System) information (Primary
`notification)
`ETWS (Earthquake and Tsunami Warning System) information (Secondary
`notification)
`SIB12 Commercial Mobile Alert Service (CMAS) information.
`…
`…
`Sidelink UE information procedure, sidelink communication related resource
`configuration information
`Sidelink UE information procedure, sidelink discovery related resource
`configuration information
`
`SIB18
`
`SIB19
`
`…
`
`
`
`…
`
`[0031]
`It can be seen that different SIBs and the SI thereof may be grouped
`according to their functionalities. Optionally, the SI may be classified into more or
`less groups than four groups. For example, since the transmission of SI related to
`
`
`
`8
`
`

`

`
`
`warning and alert is triggered by the network instead of by a user terminal, the SI
`associated with SIB10 to SIB12 does not need to be requested by the user terminal at
`all. Then in total there are three groups of SI to be requested. Other ways to group SI
`are also possible. For example, SI related to cell reselection may be classified into
`one group, while all others may be classified into another group.
`
`[0032]
`Another feature of SI which may be used to classify the SI is periodicity.
`For example, SI with the same or similar transmission periodicity may be grouped
`together. Use LTE SI transmission periodicity as an example, where the SI each with
`periodicity of 80ms, 160ms, 320ms, 640ms, 1280ms, 2560ms and 5120ms may be
`classified into seven groups of SI. Alternatively, the SI may be classified into three
`groups