Doc Code: TR.PROV
`Document Description: Provisional Cover Sheet (SB16)
`
`PTOiSB/16 (11-08)
`Approved forusethrough 05i31i2015. 0MB 0651-0032
`U.S. Patent and Trad,amark Olfice: U.S. DEPARTMENT OF COMMERCE
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`Provisional Application for Patent Cover Sheet
`This is a request for filing a PROVISIONAL APPLICATION FOR PATENT under 37 CFR 1.53(c)
`
`lnventor(s)
`
`Inventor 1
`
`Given Name
`
`Middle Name
`
`Family Name
`
`City
`
`State
`
`I ~~~ii:& ti
`Country i
`
`AGIWAL
`
`Suwon-si
`
`KR
`
`Anil
`
`Inventor 2
`
`Given Name
`
`Middle Name
`
`Family Name
`
`City
`
`State
`
`Youngbin
`
`CHANG
`
`Anyang-si
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`All Inventors Must Be Listed -Additional Inventor information blocks may be
`generated within this form by selecting the Add button.
`
`i rRt®W&.trl
`Country i
`
`KR
`
`L:,:::;;Jtd~---.J
`
`Title of Invention
`
`SYSTEM AND METHOD OF SIGNALING SYSTEM INFORMATION
`
`Attorney Docket Number (if applicable)
`
`0203-1831
`
`Correspondence Address
`
`Direct all correspondence to (select one):
`
`@ The address corresponding to Customer Number
`
`0 Firm or Individual Name
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`Customer Number
`
`68103
`
`The invention was made by an agency of the United St.ates Government or under a contract. with an agency oft.he United
`States Government.
`
`@ No.
`0 Yes, the invention was made by an agency of the United States Government. The U.S. Government agency name is:
`0 Yes, the invention was under a contract with an agency of the United States Government. The name of the U.S.
`Government agency and Government contract number are:
`
`EFS ., V\ieb t .0. '1
`
`IPR2022-00468
`Apple EX1011 Page 1
`
`

`

`Doc Code: TR.PROV
`Document Description: Provisional Cover Sheet (SB16)
`
`PTOiSB/16 (11-08)
`Approved forusethrough 05i31i2015. 0MB 0651-0032
`U.S. Patent and Trad,amark Olfice: U.S. DEPARTMENT OF COMMERCE
`Under the Papervtork Reduction Act of 1995, no persons are required to r-espond to a collection of information unless it displays a valid 0MB control number
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`Entity Status
`Applicant asserts small entity status under 37 CFR 1.27 or applicant certifies micro entity status under 37 CFR 1.29
`
`0 Applicant asserts small entity status under 37 CFR 1.27
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`@ No
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`
`Signature
`
`Please see 37 CFR 1.4(d) for the form of the signature.
`
`Signature
`
`/Maeng-Ho SHIN/
`
`Date (YYYY-MM-DD)
`
`2016-02-29
`
`First Name
`
`Maeng-Ho
`
`Last Name
`
`Shin
`
`Registration Number
`(If appropriate)
`
`53859
`
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`
`EFS ., V\ieb t .0. '1
`
`IPR2022-00468
`Apple EX1011 Page 2
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`

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`
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`
`IPR2022-00468
`Apple EX1011 Page 3
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`

`

`SYSTEl\tl AND METHOD OF SIGNAI.,ING SYSTEM
`INFORl'11_._t\ TION
`
`IPR2022-00468
`Apple EX1011 Page 4
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`

`

`Provisional Application
`0203-1831 ('r'PF201602-0034/US-pro _DMC)
`
`INVENTION TITLE: System & Method of Signaling System Information
`
`DESCRIPTION OF' THE INVENTION
`
`1. Describe the disad,,antagcs of the prior art without mentioning your invention {Including any related publicly available
`documentation, such as journal articles or 11atents).
`
`In the recent years several broadband wireless technologies }.ave been developed to meet the growing number of broadband
`
`subscribers and to provide more and better applications and services. The second generation wireless communication system has
`
`been developed to provide voice services while ensuring the mobility of users. Third generation wireless communication system
`
`suppmts not only the voice service but also data service. In recent years, the fourth wireless communication system has been
`
`developed to provide l:ri.gl,-speed data service. However. currently, the fourth generaticm wireless communication system suffers fmm
`
`lack of resources to meet the growing demand for high speed data services. So fifth generation wireless communication system is
`
`being developed to meet the growing demand for h.igh speed data services, support ulira-relrabiiity and low latency applications and
`
`support massive machine type communication.
`
`In the fourth generation wireless communication system, enhanced node B (eJ\i"B) or base station in cell bmadcast system
`
`infonnation. System informaiion is s:trnctured into master information block (MIB) and a set of system infomtation blocks (SIBs).
`
`MIB coIBists of System Frnme Number (SFN), Downlink Sy&tem bandwidth and Physical Hybrid ARQ Feedback Indicator Channel
`(PHICH) configuration. JvflB is transmi1ted every 40ms. It is repeated every lOms wherein the first transmission occms in subframe
`#0 when SFM mod 4 equals zero. MIB is transmitted on physical broadcast channel. System Infonnation Block Type 1 carries cell
`indemnity, tracking area code, cell barring information, value tag (common for aH scheduling units), and scheduling inforn1ati.on of
`
`other SIBs. SIB 1 is transmitted every 80ms in subframe #5 when SFN mod 8 equals zero. SIB 1 is repeated in subfram.e#5 when
`
`SFN mod 2 equals zero. SIB l is transmitted on Physical downlink shared channel. Other SIBs (SIB 2 to SIB 19) are transmitted in
`
`System Information (Sl) message wherein scheduling info of these Sills are indicated in SIB 1. Sills having same periodicity can be
`
`transmitted in one SI message, SJ message is broadcasted on Physical downlink shared channel. Various SIBs, their usage and
`
`typical size is indicated in Table 1 below.
`
`Table l System Information in 4G System
`
`SIB Type
`Cell ID, value tag & Scheduling info
`SIB 1
`,__S_IB_2 _ _ _ _,_._A._C_-B_am_·1~1g.RAC!I_Inf_o _________________________ --<_2_2_1_6_b_i_ts_·_(!v_i_a::_x·~) _ _ --1
`
`SIB Size
`-·500bits
`
`Content
`
`('<:1mmon Cell reseleujon info & i1~trn frequencs ceJI reselection;x1rameter_s_· ______ _,__--_J_O_O_b_il_s _____ - - 1
`
`Imm frequency neighbor celi info
`
`STB 5
`
`Tnter frerruenc;, cen reselection irrfon-;1~tion
`
`S!B 7
`
`SIB X
`
`SIB 9
`
`1JTR/\ cell n:-~..:,lection ini'ennanon
`CrER,11, N cc:il rc:sclccnon inforrnalHnt
`
`Home cNB tnfo
`
`- l OOObits
`
`- 1000bi1s
`
`221 (, bits {\1iax)
`
`IPR2022-00468
`Apple EX1011 Page 5
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`

`

`Provisional Application
`0203-1831 ('r'PF201602-0034/US-pro _DMC)
`
`SIB 10
`
`SIB 11
`
`SIB 12
`
`SIB 13
`
`SIB 14
`
`SIB 15
`
`SIB 16
`
`SIB 17
`
`SIB 18
`
`SIB 19
`
`ETWS Primarv Notificatioll
`
`ETWS Seconda1v Notification
`
`CMAS Notification
`
`MBMS Information to acquire MEMS Control infonnation
`
`Extended Access Class Barring Information
`
`MB?\-1S Service Area Ideniifiers of the current and nehrhboring freouencies
`
`UTCTime
`
`Information for traffic steering between E-UTRAN and WLAN
`
`Intra Frequency D2D Communication Information
`
`Intra/inter frequency D2D Discoverv Information
`
`2216 bits (Niax)
`
`2216 bits (Max)
`
`2216 bits (Max)
`
`-300bits
`
`-lOObits
`
`2216 hits (Jviax)
`
`-60bi!s
`
`2216 bits (l\1ax)
`
`2216 bits (Iviax)
`
`2216 bits (Max)
`
`UE acquires the system information at cell selection, cell reselection, after handover completion, after entering E-UTRA from
`
`another RAT, upon re-entering service area, upon receiving a notification (paging), and upon exceeding the maximum validity
`
`duration (3 hr). In RRC idle state, UE needs lo a<:quire MIB, SIB 1, SIB 2 to SIB 5, SIB 6 to SIB 8 (depending on RAT suppo1ted),
`
`SIB 17 (if LTE-WLAN IWK is supported), and SIB 18 to SIB 19 (if D2D is supported). In RRC connected state, UE needs to
`
`acquire MIB, SIB !., SIB 2, SIB 8 (depending on RAT supported), SIB 17 (ifLTE-\\<1~AN !WK is supported}, and SIB 18 to SIB 19
`
`(if D2D is supported). System information acquired and stored is considered invalid of value tag in received SIB 1 is different from
`
`the one in stored SI.
`
`System information can be changed and is notified as follows: Change is notified through paging message (in RRC __ IDLE or
`
`RRC_CONNF:CTED) with cause &-ysternlnfoModification to let UE know that some SI is changing in tlie next modification period.
`
`Modification period boundaries are in terms of SFN such that SFN mod modificationPeriod = 0. Change of SI only occurs at specific
`
`rndio frames, Notificatioll of changes in modification period N will be reflected in N+L SIBl also carries value tag to indicate
`change in SI. UE finds the change in SI by looking at value tag in SlBl at the end modificationPeriod (if missed checking page) or
`
`receiving paging with systeminfoModification.
`
`One of the issues in current method of transmitting system information using the MlB/SIBs is that MlB/SIBs are periodically
`
`bmadcasted irrespective ofwheiher a UE is 1here in cell or not; whether any UE in cell needs that information. In case of small ceil
`
`deployment, broadcasting all these Sills periodically is unnecessary and leads to significant wastage of resources. So an enhanced
`
`method of signaling system infomiation is needed.
`
`2
`
`IPR2022-00468
`Apple EX1011 Page 6
`
`

`

`Provisionai Application
`
`
`0203-1.831 (YPF201602-0034/US-pro_DMC)
`
`
`
`lind how your invention environment its operation, purpose, (Including L Descrit1tion of the invention in detail
`
`
`
`
`
`
`
`overcomes the sborf<:omings of 1:bc. prior art). Begin with a system level d.iagrinn and associ.al'cd bigll level
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`
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`
`
`
`
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`description of your inYention in the context of a possible product rleploymcnt of yonr invention, for example a
`
`
`
`
`
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`hand.set, a base station, and/or a wireless network comprising one or more base stations and one or more handsets.
`
`Method 1:
`
`iof) : ·Ci•
`· :,:,: fotorr;-J�t
`
`i◄ ············•• ... ........
`
`
`
`•• ················-·········· • . ..................... ._
`
`
`
`
`
`
`
`. :.:::;: ... "'"'•·+� .,.,.(.Gr,i;i/lt.k • .,,r-'',
`.. ; .. ,:,;:,.
`
`RAR
`
`H•o ••••••• .. •+ •••••HHHOH•••• ....... _HHHO•-••--••••••••• .. u-•+-HOH•>HOO•+OOH
`
`�
`
`SI-Request
`
`
`
`(irifo about or more Sl(s) •
`
`........................................................................ · .... � :
`
`l;r.ansrnit SI rnqprstJn grant W<;elved in RA.R
`
`8E'.may}rtdicat;Sl(�)·6r.set df §1(s) or
`• • • ••
`·.:.tj·:•:•·v:_.•.iJ.. ·.':•.e_ •• <c • A Li . :i , : ii
`:�::: :i: i::::::/r:
`t·:;
`: .·. ·.:/�tr�:::;:-�;
`
`BS transmits S!-response.
`
`
`Schi�dulii1g'<:@t.ro1 for SI-Respor\se can. -be.masked
`
`, 'with i.)E's ID qf. a pre defined 1b •
`X
`Sl s.'Eit or... . i
`
`Not�(ID CM b� diff,r,:rent for. d}fferent
`
`):/?.: .. ;�}} :; ;::)J\.:;:::.'.:
`if).
`
`>:'.:.'.:.-·,
`
`,·••;
`
`F'igu.rc l
`
`In one embodimeut of the proposed Invention the UE can acquire the syslem information as s.hown in Figo:re 1. System
`
`
`
`
`
`
`
`
`y comprises of one or more System information which is
`
`
`
`iJ.1formation is catego1izcd into two c11tegories: First categor
`
`
`
`
`
`
`
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`broa<icasted p,'.rlodicaHy by the cell. Seco11d category comprises of oue or more &)'Stem i.11fot1.I1<1tlon v,hich is provided to UE 011.
`
`
`
`
`
`
`
`
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`demand. First category com1,rises of essential system info1matlon. Essential system information is periodically broadcasted by
`
`
`
`
`
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`the cell. UE acquires essential S)•stem information fmm broadca$'ted i.nfo.rmatio11. 1n order to receive the other sy�·tem
`
`
`
`
`
`
`
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`information, UE sends random access preamble (PRACH). On receiving the random access preamble, BS transmits a random
`
`
`
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`
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`access response and i.ndudes OL grant for transmitti.ng the system infomiat.ion (Sl) request message RAR may also include
`
`
`
`
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`
`
`
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`lim.ing advance and/or back off iudicator and or pre,uubk identifier (identifies the PRACH preamble). UE validates that R.AR
`
`
`
`
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`com..--spouds to PRACH transmjtted by it. ff the validation is succe;;sful, UE tmnsm.its Sl request message
`
`
`in the U1. grant. SJ
`
`request messi:lgc indicates
`
`
`one or more system informati.on which UE needs or indicates one or more set of system information
`
`
`
`which UE needs or i.nd.icates service (e.g. elVfBB. MTC. UR.LL, etc) for which lJE needs system information
`or UE type. UE
`
`
`
`
`
`
`
`
`
`may transmit its UE ID (i.e. S•-TMSI. f...:.-Rl"ITL RA-RN·n, etc) along with SI request message. In res1xmse to SI request. ENB
`
`
`
`
`
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`transmits ST-response wherein the SJ-response includes the requested system i,nfo.nnation.
`
`
`Scheduling c-0n.trol information
`
`
`
`
`
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`indica1ing t11e Si-l'esponse can be masked with lJE's ID (e.g. C-M'Tl, RA-RNTl) or a pre-defined ID (e.g. Sl--Ri"lTI). Pre-
`
`3
`
`IPR2022-00468
`Apple EX1011 Page 7
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`

`

`Provisional Application
`0203-1831 (YI)F201602--0034/US-pro _DMC)
`
`defined ID can be different for different system infornmtion or system iufornmtion set or service or UE type.
`
`i_n one embodiment eNB may provide the requested system information for one or more ceIJs. ENB may indicate the cells for
`
`'Which system information provided in SI responSe is applicable. As a result the UE does not need to request for system
`
`informa1ion vvhcn the UE changes cell. After the cell change, if the UE docs not have system information for the new cell then
`
`UE request for system infonnation.
`
`In one embodiment of proposed invention system infornmtion (other than essential system infornmtion) can also be broadcasted
`
`by the BS. BS may indicate in broadcasted essential system infonnation whether other system information is broadcasicd or noL
`
`If not broadcasted then DE can request using the method (Figure 1) explained earlier. If broad casted then UE read broadcasted
`
`sysicm infonnati.on to acquire the required system infom1atimL In case of heterogeneous network comprises of macro cell and
`
`smaH ccHs, macro ceU may indicate that system information is broadcasted vvbe1eas small cells may indkate that system
`
`ir,fonnation is not broadcasted.
`
`In another embodiment of proposed invention BS can indicate supported Sl(s) in essential system infonnation.
`
`In one embodiment a default configuration for system infonnation can be defined which the UE uses until it obtains them from
`
`the cell.
`
`UE can indicate the needed system information in SI .:Request using one of the following options:
`
`Ovtion J:
`
`In this method as illustrated in Figure 2, system infonnation parameters are categorized into system information blocks. ln SI
`
`request a bitmap of size N bits is included ,vherein each bit corTesponds to a system information block< Bit conesponding to a
`
`system infommtion block can be set to one to indicate that lJE needs that system information block or Bit corresponding to a
`
`system informalion block can be set to zero to indicate that UE needs ihat sysiem infonnation block. Alternately. instead of
`
`bitmap. DE can include a list of Sills in SI-request
`
`4
`
`IPR2022-00468
`Apple EX1011 Page 8
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`

`

`Provisionai Application
`
`
`0203-1.831 (YPF201602-0034/US-pro_DMC)
`
`···· �
`\.-t··· ····· ····· Bitmap of size N bits·······
`:
`:·
`
`Figure 2
`
`(nth.is method. as illustrated in Figure 3, system information parameters are c.ategorize<l into sys-ieru intorma-ti.ou blocks. System
`
`
`
`
`
`
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`
`
`
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`
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`information blocks arc then grouped i11to system infom1ation block set wherein each set comprises of one or more system
`
`
`
`
`
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`
`
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`information blocks. A S)-Stem in.formation block can be present in more, tlian on.<� system information b.iock sc�t. Grnuping of
`
`
`
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`system information blocks into system information block set can be done based on service (e.g. MBB, URLL. MTC, D2D.
`
`
`
`D2D-<iiscovery, D2D-Conunun.ication, V?.X. V2V etc) or UE type (MTC UE, MBH UE, D?.D UE, etc) In Sf request a bitmap
`
`
`
`
`
`of size P bits is i11cluded wherein each bit corresponds to a system iufom-i:;,tion block set. Bit corresponding to a system
`
`
`
`
`
`
`information block set can be set to one 10 indicate that UE needs that system information block. Alternately. instead of bitmap,
`
`DE can include a list of SIB set in SI-request.
`
`5
`
`IPR2022-00468
`Apple EX1011 Page 9
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`

`

`Provisionai Application
`
`
`0203-1.831 (YPF201602-0034/US-pro_DMC)
`
`
`
`•◄····-·······Bitmap of size P bits-···· -----.j
`
`Option 3:
`
`
`
`Figu1·c 3
`
`
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`1n this method as illustrated i.n Figure 4, system mfom1ation pant.meters are categorized into sy:,iem iufommtiou set. Groupiug
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`of system information parameters into system information set can be done based on service (e.g. MBB, lJRLL, MTC, D2D.
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`D2D-<liscover
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`y. D2.D-Comm.un.ication. V2X, V2V etc) or UE type (MTC UE. lvIB.13 UE, D2D UE. etc) .. lri SI request a bitmap
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`of size P bi.ts is included wherein cnch bit oorrcsponds to a system infonnatio11 set, Bit correspo:ndi11g to system information set
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`car1 be set to one lo indicate that UE m:eds that system information set. Alternately, instead of bitmap, UE can iociude a list of
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`!-«-·-------·Bitmap or sizer bits---------�
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`SI. sets in SI-request.
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`_Ooti'-2!J_4:
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`Figure 4
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`Iu this melhod as Hlustrate<! in Figure 5. there is pre-defined mupping between one or more system information parameters aJtd
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`6
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`IPR2022-00468
`Apple EX1011 Page 10
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`

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`service. Iu SI request a bitmap of size N bits is included wberein each bit corresponds lo a service. Bit corresponding to servi.ce
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`Provisionai Application
`
`(YPF201602-0034/US-pro_DMC)
`0203-1.831
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`can be set to one to i.ndicatc that UE 11ecds system information for this service. Alternately, instead of bitmap, UE can include a
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`U.st of one or more services iI1 S.l-request wherein each service can be identi1ied
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`[◄·····-·····Sitmap of size N bits-············►
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`Option 5:
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`Figures
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`by the UE. There is pre-define<l the servic.e supported lJE type indicates In this method, UE can indicate UE type in SI request.
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`mapping betwixn 011e 01 more system i:nforrnation pammeters and se;vice. So on receiving the SI request with UE iype. BS can
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`know the system information parameters needed by UE.
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`ln ano1J1e.r embodiment of the proposed invention the lJE can acquire the system infomi.ation as shown in Figure 6. System
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`i.nformatim, is categorized into two categories: Firsi category comprises of on� or moi:..: System information which is
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`broadcasted periodically by the cell. Second category comprises of one or more system information which is provided to UE on
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`dem�rnd. First category cornpriscs <if essential system informaiion. Essential system iElformation is periodically broadcasted by
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`the cell. VE acquires essential system information from broadcasted infonnation. In order to receive the other system
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`information, UE sel!{!s random a<:cess preamble (PRACH). On receiving the rtwdorn access preamble, BS tmnsntits a r'd.Udom
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`access response and includes UL gmnt for tmnsmi1ting lbe system information (SI) request message. RAR may also i..'1clude
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`timing advance an.dior back off indicator and or preamble identifier (identifies the PRACH: prcan:ibk). LJE validates that RAR
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`correspouds to FR.1-\CH tra11Sm.i.tted by i.l. If the validation is successful, UE transmits Sl request message in the "UL grnnt. UE
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`may noi indicate which sys1cm infonnation is needed by UF.. The can-icr on •.vhkl1 UE sends Sl rcqucsi su1Jports only �me
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`seIVice. UE only indicates
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`tl.1::tl it needs system information. BS provides system information for t.be service supported on
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`carder. There ca11 be pre-defined mapping hetv;t,cn canicr and service. Alternately, service snpported can b�; indicated in
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`essemial &ystem information.
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`7
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`IPR2022-00468
`Apple EX1011 Page 11
`
`

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`Provisionai Application
`
`
`0203-1.831 (YPF201602-0034/US-pro_DMC)
`
`BS
`�;:?t•l
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`!: ,.
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`. ••···••. Br.oadcas,t, Ess�oti·al System ·•• ·• •• i
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`i C ..... ,c;. UAto1mMk1rr;, ... kt ... ,:;J. :
`� .... ··,u-v -� ·c .. ·· ·• < • ·••;;.�·s· •··· •• ··:..; ••;j �- -·v•. • --•·•• •• ·••·· •·•·,:;. .... \
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`Transmit SI 1:e.ql.!est. in grant received in .RAR
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`l<'igure 6
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`Tn another embodiment of proposed invention essential system informaHon rnay not be broadcasted. Essential system
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`information is also requested by UE like the other system in:fornuttion.
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`by the BS. BS car, also be broadcasted In another embodiment of proposed invention the second category of system in.fomiation
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`may indicate in broadcasted essenlial systeu1. informaiion whetJ1(:r other $ystem information is bcoadcasted or 110t. lf not
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`broadcasted then UE can request using the methods explained earlier. If broadcastcd then lJE read broadcasted system
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`infonnation to acquire the Tequired sys.1em information. lu case of h::lerogeneous ne!wot'k comprises of macro cell and srna]I
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`cells. macro cell may indicate that system hlfonuation is broactcasted whereas small cells P . .1ay indicate that ;,')'Stem infortl4'\Lion
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`is not broadcasted.
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`In another embodiment of proposed iuvention BS can indicate supr.,..01.ted SI(s) in essential �ystem information.
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`Method 2:
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`8
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`IPR2022-00468
`Apple EX1011 Page 12
`
`

`

`Provisional Application
`
`
`0203-1831 (YPF201602-0034/US-pro_DMC)
`
`8roactcast: E-ssenti<1l System ·•
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`----.. _. _-. .. _. .. ------" .. _ .. . � . --
`◄· ·----" --.. _---_.... ._ .. --·--·-
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`RAR
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`m:mqr $¥� fa�}i,fpfryJ�!-\9!}.J,ir�tr\ ). :, __ : Transmit SI reqt,1est in
`grant received in RAR
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`\/ ::: .:: _::_ ;/:: > :s=. .:: :: :·. \.:
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`: ::: ::
`indkJt� Si(s) or set of Sits) oi' service or UE
`µe may.
`. ?1-Requ_est . _
`[Into aboi.ri: one orfoore Sf(si'
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`• .• -i,, _/:: :.f.aque;!:e:'l L
`BS transmits SI-response.
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`Schetju[ing Control fo.r SI-Respon&e-c:an be masked
`/ wjth UE's ID or a pre defined ID
`SI-Response __ _.
`◄, --. . --:J_��9.�rfY,.qjl��P.:(. --,// ,.Notti!:,'? car:ibl\ �iJ'.f_��e�tfor d itferent
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`S! set or ' .
`< J.::..a
`}lefVJcJt◊rJJ�tHJiitj\g'. > ••tr
`_.. '' > !i
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`Figua•e 7
`ln this method of the proposed i.uvention the tlE cnn acquire the system in:fonnation as showu in Figme 7. System information
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`is categorized into three categories: First category- comprises of one or more S
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`ystem info1roatio11 which is br0cidca�1:ed
`gory comprises of one o more commou
`provided to UE on
`system infomlliticn which i
`periodkHUy by the cell. Second cat
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`mo:re system infommtion which is pn;1vided io UE Qil
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`dcman.d in random :;:.;:cess rcspon,c. Thi:rd .;ategcry comprije<,oS of one or
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`y;;tem i11fornratio11 is periodically
`y comprises of essemiaJ
`system i.nfonill!Lion. Essential s
`demmid ill SJ-response. First categm
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`system infommtion from broadcasted infomuifion_ 111 order to receive the other
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`y the ceU_ UE acquires essential
`broadcasted b
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`pre-.amble (PRACH)_ PRACH pre,mib!c fer obtaining sys1em information
`common system i11forrnation
`, u-E sends :nmdom access
`g system information can be
`Jnnposes. PRACH preamble for obtainin
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`in RAR can be difterenf from the PRACH for other
`g tile random access
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`predeGned or signaled by network in e se.otial
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`pn::amble, BS tran. rnlts a
`system. information.
`On receiviu
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`system information request message_ R_.<\R inciudes the
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`random access reFponse nnd includes UL grant for 1rdllsmitti.ng the
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`timing advance and/or back off i.ndicator and or preamble idernifier
`. RAR may a!so incl!!de
`common s_ stem infomralion
`,identifies the PRACH
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`preamble). UE ,--alidates that RAR corresponds to PRACH transmitted by it lf the Yalidation is
`iI1 the UL grant to rc,quesi one or more
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`system iafornmtion according to .iis need. Sl
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`succcssf1-tl, UE lransmits Sf request message
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`request message indicates system information or set of system infornmtion or service or UE tJpe. UE Illily transmit its UE ID
`(i.e_ S-TMST C-RNTr, RA-RN71, etc) along with SI request
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`message_ In response io SI rcquesl, E1'.'B transmits ST-response
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`wherein the Sl-re:sponse includes the requested system information. Scheduling contr'Ol infom:mtion inciicating the SI-response
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`c-an be masked with UE"s ID (e.g. C-R1'.7l:, RA-RNTT) or a pic-ddined ID (e.g. SI-RNT[). Pre-defined ID can be different for
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`different system iufoIIllil tiou er system inforrnation -et or service or UE type. UE can indicate the needed i>)'Stern information in
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`IPR2022-00468
`Apple EX1011 Page 13
`
`

`

`Provisional Application
`
`(YPF201602-0034/US-pro_DMC)
`0203-1831
`SJ-Request usi.J1g U;e options ex'J)lained in description of method 1.
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`In one embodiment el\i""B ma_,. provide the requested system illformation for one or more celJs. ENE may indicate the cells for
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`need to request for system which �yslem infonnation provided in SI response is applicable. As a result the UE does not
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`gc, if the UE docs no: have system information for the new cell then information when the UE changes cell. 1�ftcr the celi clmn
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`E request for system information_
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`In another embodiment of proposed invention system information (other ·U1an essential system information
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`ystem information whcthcT oiher system infommtion is brm1dcastcd by !he RS. BS may indicate in broaclcasted esscmial s
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`broadcasted or not. if not broadcasted then UE cm1 request 11si.ng the method (Figure 7) e'.'..'Piai.:ned earlier_ if broadca�ted then
`:system. information. Tn case of heterogeneous network
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`system infonnation to acquire the r<.,quhed
`UE read broadcasted
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`he.reas small cells is broadcastcd winfo.nn:1tion , macro cell may indicate tlmt sys!em
`comprises of rnacro cell and snwll cells
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`may indicate that system information is not bro,idcasted.
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`In another embodiment of
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`proposed invention BS can indicate supported Sl(s) in essential �ystem infonillltion.
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`JVlethod 3:
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`!. :: ·.· .. : -� :-: :-.
`, . -•-••OE
`lii-.i�I-!�il1i:�iitt)�llLJ.
`Broadcast: Essential System
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`ormation.. ,., -i
`_ ., Jnf
`.�: .:
`,· :_:::;:_:_::. �:. ::. •: ·:: :.{· .: ·-·. .
`·: ,: ::;:�:;�::
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`l,m;�:��:H
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`l'igure 8
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`Iu this method of the proposed invention the UE can acqtJire the �•stem infommtion as shown iii Figure 8. Sy�tem infonnation
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`is categorized into h o categories: Fir•;t categOI'/ comprises of one or more System irJormation which is broadc::isted
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`pericdicully b:r the cell. Second category comprises of one or more common system iuformation which is provided •o UE ou
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`demand in random :iccess response. First caicgory comprises of essential system .information. Essential system infommtio.n is
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`periodk�.1Uy broadc,Lted by the cell. UE acquires essemia! system irJ'ormnti.011 from broadcasted infonnmion. 1n order to receive
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