USOO8971279B2
`
`(12) United States Patent
`(10) Patent N0.:
`US 8,971,279 B2
`
`Seo et a1.
`(45) Date of Patent:
`Mar. 3, 2015
`
`(54) METHOD AND APPARATUS FOR
`INDICATING DEACTIVATION OF
`SEMI-PERSISTENT SCHEDULING
`
`(71) Applicant: LG Electronics Inc., Seoul (KR)
`
`(58) Field of Classification Search
`CPC ........... H04W 72/042; H04W 72/0446; H04L
`1/0072; 1104L1/0079; 1104L 5/0053; [104L
`1/004; H041. 1/0061; H03M 13/09
`USPC ~~~~~~~~~~~~ 370/319, 329, 321. 349; 455/17, 560,
`455/561
`
`See application fi 6 for complete search history.
`_
`References Clted
`7:
`7
`7,
`7:
`U.S. PATENT DOCUMENTS
`
`2008/0090583 A1
`4/2008 Wang eta
`5/2008 DamnlaIIOViC et a1
`2008/01 17891 A1
`(Continued)
`I
`
`
`
`
`FOREIGN PATENT DOCUMENTS
`101111009 A
`1/2008
`101132596 A
`2/2008
`2207394
`4/2009
`
`*
`
`2007-166295 A
`
`6/2007
`
`(56)
`
`CN
`CN
`EP
`
`JP
`
`(72)
`
`Inventors; Dong Youn Seo, Anyang-Si (KR); Ki
`Jun Kim, Anyang-Si (KR); Dae Won
`Lee, Anyang-Si (KR); Young W00 Yuri,
`Anyang-Si (KR); Joon Kui Ahn,
`Anyang-Si (KR)
`_
`_
`.
`_
`SubJect to any disclaimer, the term of this
`patent is extended or adjusted under 35
`U.S.C. 154(1)) by 166 days.
`
`.
`( * ) Notice:
`
`(21) Appl. No.: 13/791,421
`.
`Filed:
`
`Mar. 8, 2013
`
`(22)
`
`(65)
`
`Prior Publication Data
`
`US 2013/0182679A1
`
`Jul. 18, 2013
`
`Related U.S. Application Data
`'
`.
`‘
`.
`.
`.
`(63) COHllnuallUn 01 appllcallon NO- 13/050680: liled 011
`Mar: 17: ‘2011: HOW, Pal; N0~ 8,4115633: WhiCh 15 a
`continuation of application N0~ 12/581,584, filed 011
`Oct. 19, 2009, now Pat. No. 8,009,606.
`
`(C‘m‘im‘e‘l)
`OTHER PUBLICATIONS
`_
`,
`_
`_
`_
`_
`_
`“3rd Generation Partnership Pr03ect; Technical Specilication Group
`Radio Access Network; Evolved Lniversal Terrestrial Radio Access
`(li-U‘l'RA); Radio Resource Control (RCC); Protocol Specification
`(Release 8)". 3GPP Organizational Partners, 3GPP TS 36.331V’8.4.
`0, Dec. 2008.
`
`(60)
`
`ProViSional application No. 61/114,440, filed on Nov.
`13, 2008, prov1sional application No. 61/119,375,
`filed on Dec. 3, 2008.
`
`Primarv Examiner i Raj Jain
`'
`.
`(74) Attorney, Agent, or Firm
`Opalach
`
`I
`. I
`Robert T). Sliedd, . oseph ..
`
`_
`(51)
`
`Foreign Application Priority Data
`(30)
`JUL 24, 2009
`(KR) ------------------------ 10-2009-0067796
`‘
`Int- CL
`H04W 4/00
`H04W 72/04
`(52) U-S- Cl-
`CPC ........ H04 W 72/0446 (2013 .01); H04 W 72/042
`(2013.01)
`USPC .......................................................... 370/329
`
`(200901)
`(200901)
`
`ABSTRACT
`(57)
`A method and apparatus for performing semi—persistent
`scheduling (SPS) deactivation in a Wireless mobile commu—
`nication system are disclosed. A base station (BS) transmits a
`
`downlink control channel to a user equipment (U3), and
`deactivates the SPS when a binary field indicating resource
`allocation information contained in the downlink control
`chaimel is entirely filled with ‘ l ’,
`
`20 Claims, 20 Drawing Sheets
`
`Dewnlinli 5m Tm
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 1 of 36
`Page 1 of 36
`
`

`

`US 8,971,279 B2
`
`Page 2
`
`(56)
`
`References Cited
`U.S. PATENT DOCUMENTS
`
`6/2008 Kim et a1.
`2008/0130590 A1
`9/2008 Dalsgaard et a1.
`2008/0232284 A1
`2009/0257408 A1 * 10/2009 [hang at 3.1.
`,,,,,,,,,,,,,,,, 370/336
`2010/0085881 A1
`4/2010 'l'anigawa et a1.
`2010/0111026 A1
`5/2010 Hsu
`2010/0177716 A1
`7/2010 Harada el al.
`2013/0322350 A1 *
`12/2013 Gaur et a1.
`,,,,,,,,,,,,,,,,,,,, 370/329
`
`
`FOREIGN PATENT DOCUMENTS
`2010-503342 A
`1/2010
`2010-522467 A
`7/2010
`10-2008-0032825 A
`4/2008
`\VO 2005/072073 A2
`8/2005
`WO 2008/023649 A1
`2/2008
`WO 2008/030936 A2
`3/2008
`WO 2008/038530 A1
`4/2008
`
`JP
`JP
`KR
`W'O
`“/0
`“/0
`W0
`
`* cited by examiner
`
`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 2 of 36
`Page 2 of 36
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 1 0120
`
`US 8,971,279 B2
`
`___1_______
`
`FIG.1
`
`307200T;=10ms
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 3 of 36
`Page 3 of 36
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 2 of 20
`
`US 8,971,279 B2
`
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 4 of 36
`Page 4 of 36
`
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 3 0f20
`
`US 8,971,279 B2
`
`FIG. 3
`
`Uplink slot TM
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 5 of 36
`Page 5 of 36
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 4 0f20
`
`US 8,971,279 B2
`
`FIG. 4
`
`Downlink slot T5101
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 6 of 36
`Page 6 of 36
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 5 0f20
`
`US 8,971,279 B2
`
`FIG. 5
`
`502
`
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`/
`
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`
`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 7 of 36
`Page 7 of 36
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 6 0f20
`
`US 8,971,279 B2
`
`FIG. 6
`
`
`
`RRC
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 8 of 36
`Page 8 of 36
`
`

`

`US. Patent
`
`Diar.3,2015
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 9 of 36
`Page 9 of 36
`
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 10 of 36
`Page 10 of 36
`
`

`

`US. Patent
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`Diar.3,2015
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 11 of 36
`Page 11 of 36
`
`
`

`

`US. Patent
`
`Mar. 3, 2015
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 12 of 36
`Page 12 of 36
`
`
`
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 11 of 20
`
`US 8,971,279 B2
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`1
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 13 of 36
`Page 13 of 36
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`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 12 0f 20
`
`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 14 of 36
`Page 14 of 36
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`

`

`US. Patent
`
`Diar.3,2015
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 15 of 36
`Page 15 of36
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`
`
`
`
`

`

`US. Patent
`
`Mar. 3, 2015
`
`Sheet 14 of 20
`
`US 8,971,279 B2
`
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 16 of 36
`Page 16 of 36
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`

`

`US. Patent
`
`Diar.3,2015
`
`Sheet150f20
`
`US 8,971,279 B2
`
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 17 of 36
`Page 17 of 36
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`

`

`US. Patent
`
`Diar.3,2015
`
`Sheet160f20
`
`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 18 of 36
`Page 18 of36
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`US. Patent
`
`Mar. 3, 2015
`
`Sheet170f20
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 19 of 36
`Page 19 of 36
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`

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`US. Patent
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`Diar.3,2015
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`Sheet180f20
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`US 8,971,279 B2
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`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 20 of 36
`Page 20 of 36
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`US. Patent
`
`Mar. 3, 2015
`
`Sheet 19 of 20
`
`US 8,971,279 B2
`
`FIG. 20
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`
`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 21 of 36
`Page 21 of 36
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`US. Patent
`
`Mar. 3, 2015
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`Sheet 20 of 20
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`US 8,971,279 B2
`
`FIG. 21
`
`BS
`
`CE
`
`‘F
`
`
`Perform SP8 deactivation
`when binary field indicating
`resource allocation information
`contained in donnliak control
`
`
`
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`82101
`
`the cnli‘cly of binary
`Fill
`licld indicating rcsonrcc
`allocation i
`formation
`contained ii donnlink
`control cnaa cl with
`
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`
`channel
`
`is enjirely filled with ‘T
`
`
`
`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. V. Sisvel S.P.A., IPR2021-00678
`Page 22 of 36
`Page 22 of 36
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`

`

`US 8,971,279 B2
`
`1
`METHOD AND APPARATUS FOR
`INDICATING DEACTIVATION OF
`SEMI-PERSIS'I‘ENI‘ SCHEDULING
`
`
`
`CROSS-R i F i RENCE 10 R i LAl
`
`
`iD
`APPLICATIONS
`
`
`
`This application is a Continuation of US. patent applica-
`tion Ser. No. 13/050,680 filed on Mar. 17, 20 1, which is a
`Continuation of US. patent application Ser. No. 12/581,584
`(now US. Pat. No. 8,009,606, issued onAug. 30, 2011) filed
`on Oct 19, 2009, which claims the benefit of Korean Patent
`Application NO’ 1020090067796” 11.169 on JUL 24’ 20.09’ and
`also claims the benefit of US. PrOViSional Application Ser.
`Nos.61/114,440,filedonNov.13,2008and6l/119,375,filed 15
`on Dec. 3, 2008. The entire contents of all of the above
`applications are hereby incorporated by reference.
`BACKGROUND OF THE INVENTION
`
`2
`tion system, and NRBMH'U’“ is the largest uplink bandwidth
`supported by the wireless communication system. Although
`NRB‘WN’UL may be set to 6 (NR3””'"’UL:6) and NRB”“”’m may
`be set to l 10 (Nmmx’m’l 10), the scopes ofNRRm'"’m and
`NRBWSC’UL are not limited thereto. The number of SC—FDMA
`symbols contained in one slot may be differently defined
`according to the length ofa Cyclic Prefix (CP) and the spacing
`between subcarriers.
`
`Each element contained in the resource grid is called a
`resource element (RE), and can be identi [led by an index pair
`(k,l) contained in a slot, where k is an index in a frequency
`domain and is set to any one 01-0, _
`_
`_
`3 NRBl/ZNSCRB_15 and]
`is an index in a time domain and is set to any one of0, .
`.
`.
`,
`N
`UZ,_1
`UL
`N
`.
`Symb
`A Physical Resource Block (PRB) is defined by Wm
`consecutive SC-FDMA symbols in a time domain and NSCRB
`consecutive subcarriers in a frequency domain. NsmbUL and
`NSC“ may be predetermined values, respectively. Therefore,
`one PRB in an uplink may be composed of N5},mbUL><NSCRB
`resource elements. In addition, one PRB may correspond to
`one slot in a time domain and 180 kHz in a frequency domain.
`A PRB number 11mm and a resource element index (l<,1) in a
`slot can satisfy a predetermined relationship denoted by
`
` k
`
`”PRB — N5” -
`
`m
`
`10
`
`20
`
`I\)v.
`
`1. Field of the Invention
`The present invention relates to a wireless communication
`system, and more particularly, to a method for scheduling
`radio resources for semi-persistent uplink/downlink packet
`data transmission in a cellular wireless communication sys-
`tem, a structure of scheduling information, a scheme for
`transmitting the scheduling information, and an apparatus
`using the above—mentioned method and scheme as well as the
`scheduling information structure.
`2. Discussion of the RelatedArt
`
`FIG. 4 shows a downlink (DL) time—frequency resource
`grid structure for use in the LTE systern.
`A 3 "“1 Generation Partnership Project Long Term Evolution
`Referring to FIG. 4, a downlink signal transmitted from
`(3GPP LTE) communication system (hereinafter referred to
`each slot can be described by a resource grid including
`as an “LTE system” for convenience of description) will
`hereinafter be described as an example of a mobile commu-
`NED/“NSC“; subcarriers and Nsmbw“ OFDM symbols. Here,
`nication system applicable to the present invention.
`NRBDL represents the number of resource blocks (RBs) in a
`A frame structure for use in the LTE system will hereinafter
`downlink, NSCRB represents the number of subcarriers c011-
`be described. The 3GPP LTE system supports a type 1 radio
`stituting one RB, and Nymbll represents the number of
`frame structure applicable to frequency division duplex
`OFDM symbols in one downlink slot. DRRDL varies with an
`uplink transmission bandwidth constructed in a cell, andmust
`(FDD), and a type 2 radio frame structure applicable to time
`division duplex (TDD).
`satisfy N R,3””'”’DL5N RRDLSNRB”"”’DL. Here, Nmmml’L is the
`smallest uplink bandwidth supportedby the wireless comrnu—
`FIG. 1 shows a structure ofa type 1 radio frame used in the
`LTE system. The type 1 radio frame includes 10 subframes,
`nication system, and NRB"W’DL is the largest uplink band-
`width supported by the wireless communication system.
`each of which consists of two slots. A time length of each
`constituent tuiit is shown in FIG. 1.
`Although NRBm’7’DL may be set to 6 (NRB"1i’7’DL:6) and
`FIG. 2 shows a structure ofa type 2 radio frame used in the
`NRBm‘x‘D" may be set to 110 (NRBM‘I‘ULfl 10), the scopes of
`LTE system. The type 2 radio frame includes two half-frames,
`NRBW’NDL and NRBMW’DL are not limited thereto. The number
`of OFDM symbols contained in one slot may be differently
`each of which is composed of five subframes, a downlink
`defined according to the length ofa Cyclic Prefix (CP) and the
`piloting time slot (DwPTS), a guard period (GP), and an
`subcarrier spacing. When transmitting data or information via
`uplink piloting time slot (UpP’TS), in which one subframe
`multiple antennas, one resource grid for each antenna port
`consists of two slots. That is, one subframe is composed of
`may be defined.
`two slots irrespective ofthe radio frame type. A time length of
`each constituent unit is shown in FIG. 2.
`Each element contained in the resource grid is called a
`
`resource element (RE), and can be identified by an index pair
`A resource grid structure for use in the LTE system will
`hereinafter be described in detail.
`(k,l) contained in a slot, where k is an index in a frequency
`FIG. 3 shows an uplink (UL) time-frequency resource grid 55 domain and is set to any one of 0, .
`.
`.
`, NRBDLNSCRB—l, and 1
`
`structure for use in the 3GPP LTE system.
`is an index in a time domain and is set to any one of 0, .
`.
`.
`,
`Referring to FIG. 3, an uplink signal transmitted from each
`NsmeL— 1.
`Resource blocks (RBs) shown in FIGS. 3 and 4 are used to
`slot can be described by a resource grid including NRBUL
`describe a mapping relationship between certain physical
`NSCRB subcarriers and anbvr Single CarricriFrcqucncy
`Division Multiple Access
`(SC-FDMA)
`symbols. Here,
`channels and resource elements (RES). The RBs can be clas—
`silied into physical resource blocks (PRBs) and virtual
`NmUL represents the number ofresource blocks (RBs) in an
`resource blocks (VRBs). Although the above mapping rela—
`uplink, NSCRR represents the number of subcarriers constitut—
`tionship between the VRBs and the PRBs has been disclosed
`ing one RB, and Nmnbm‘ represents the number of SC-FDMA
`on a downlink basis, the same mapping relationship may also
`symbols in one uplink slot. NRBUL varies with an uplink
`transmission bandwidth constructed in a cell, and must satisfy
`be applied to an uplink.
`NR3mi’1'ULsNRBULSNRBMM'U’“. Here, NRBW’7’UL is the small-
`One PRB is defined by Nsmbw' consecutive OFDM sym-
`est uplink bandwidth supported by the wireless communica-
`bols in a time domain and NSCRB consecutive subcarriers in a
`
`40
`
`50
`
`60
`
`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`Page 23 of 36
`Page 23 of 36
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`

`

`US 8,971,279 B2
`
`3
`
`M“
`frequency domain. N
`and NSCRB may be predetermined
`”ml,
`values, respectively, Therefore, one PRB may be composed
`of Nwmbm/><N56m resource elements. One PRB may corre—
`spond to one slot in a time domain and may also correspond
`to 180 kHz in a frequency domain, but it should be noted that
`the scope of the present invention is not limited thereto.
`The PRBs are assigned numbers from 0 to NRBDL—l in the
`frequency domain. A PRB number nPRB and a resource ele-
`ment index (k,l) in a slot can satisfy a predetermined relation—
`ship denoted by
`
`up“; :
`
`
`1k 1
`N355
`
`.
`
`
`
`The VRB may have the same size as that of the PRB. Two
`types ofVRBs are defined, the first one being a localized VRB
`(LVRB) and the second one being a distributed type (DVRB).
`For each VRB type, a pair of VRBs in two slots of one
`subframe may assigned a single VRB number away.
`The VR13 may have the same size as that of the PRB. Two
`types ofVRBs are defined, the first one being a localized VRB
`(LVRB) and the second one being a distributed VRB
`(DVRB). For each VRB type. a pair of PRBs may have a
`single VRB index (which may hereinafter be referred to as a
`‘VRB number’) and are allocated over two slots of one sub-
`frame. In other words, NRBDL VRBs belonging to a first one of
`two slots constituting one subframe are each assigned any one
`index of 0 to NMDL— 1, and NMDL VRBs belonging to a
`second one o the two slots are likewise each assigned any one
`index of 0 to NRBDL—l.
`In the LTE system based on an Orthogonal Frequency
`Division MultipleAccess (OFDMA) scheme. a resource area
`in which each UP. is able to transmit or receive data to and
`from a base s ation (BS) is allocated from the RS to the UE. In
`this case, not only a time resource but also a frequency
`
`resource must be simultaneously allocated to the U3 so as to
`complete resource allocation.
`The so -called non-persistent scheduling method can
`simultaneously indicate time-frequency resource domains
`allocated to the UE. Therefore, ifthere is a need for the UE to
`use resources for a long period of time, it must repeatedly
`perform signaling for resource allocation, so that signaling
`overhead may be considerably generated.
`In contra st,
`the so—called semi—persistent scheduling
`method lirst allocates a time resource to a UE. In this case, the
`semi —persistent scheduling method may allow the time
`resource allocated to a specific UE to have periodicity. Then,
`the semi-persistent scheduling method allocates a frequency
`
`resource to the U3 When necessary to complete time-fre-
`quency resource allocation. The above-mentioned frequency
`resource allocation may be referred to as ‘activation’. When
`using the semi-persistent scheduling method. resource allo-
`cation can be maintained for a predetermined period by only
`one signaling process, so that resources need not be repeat—
`edly allocated, resulting in reduction in signaling overhead.
`Thereafter, ifthe necessity ofperforming resource allocation
`for a Ulz' disappears, a base station can transmit a signaling
`message for releasing the frequency resource allocation to the
`
`U3. In this way, the above-mentioned release ofthe frequency
`resource domain may be referred to as ‘deactivation’. In this
`case, it is preferable that the signa ing overhead needed for the
`deactivation be reduced.
`
`SUMMARY OF THE INVENTION
`
`
`
`An object of the present invention devised to solve the
`problem lies in a method and apparatus for informing a U13 of
`
`m
`
`10
`
`20
`
`I\)v.
`
`40
`
`if]
`
`m v.
`
`6U
`
`4
`SPS deactivation without adding a new bit field or a new
`control channel format in a communication system for allo-
`cating resources using a compact scheme.
`The object of the present invention can be achieved by
`providing a method for releasing resource allocation in a
`wireless mobile communication system, the method includ—
`ing receiving, by a user equipment (UF.), a downlink control
`channel
`including resource allocation information, and
`releasing resource allocation for the UE when a binary field
`indicating the resource allocation information is entirely
`filled with ‘1’.
`In another aspect ofthe present invention, there is provided
`a method for transmitting a signal for releasing resource
`allocation in a wireless mobile communication system, the
`method including fills, by a base station (BS), a binary field
`indicating resource allocation information contained in a
`downlink control channel with ‘1 ’, and transmitting the
`downlink control channel to a user equipment (UF.), wherein
`the binary field entirely filled with the value of ‘ l ’ indicates a
`release of resources allocated to the UE.
`In another aspect ofthe present invention, there is provided
`a method for deactivating semi -persistent scheduling (SPS) in
`a wireless mobile communication system including receiv-
`ing, by a user equipment (U13), a downlink control channel,
`and deactivating the semi-persistent scheduling (SPS) when a
`binary field indicating resource allocation information c011-
`tained in the downlink control channel is entirely filled with
`‘1 ’.
`In another aspect ofthe present invention, there is provided
`a method for transmitting a signal for semi—persistent sched—
`uling (SPS) deactivation in a Wireless mobile communication
`system, the method including filling, by a base station (BS), a
`binary field indicating resource allocation infonnation c011-
`tained in a downlink control channel with ‘1’, and transmit-
`ting the downlink control cham1el, wherein the binary field
`entirely filled with the value of ‘1’ indicates the SPS deacti-
`vation.
`In another aspect ofthe present invention, there is provided
`an apparatus capable of using a semi—persistent scheduling
`(SPS). The apparatus includes a radio frequency (RF) unit,
`and a processor electrically connec ted to the RF unit, wherein
`the processor is configured to receive a downlink control
`channel through the RF unit, and to perform the SPS deacti-
`vation when a binary field indicating resource allocation
`information contained in the downlink control channel is
`entirely filled with ‘1’.
`In another aspect ofthe present invention, there is provided
`an apparatus capable of using a semi-persistent scheduling
`(SPS). The apparatus includes a radio frequency (RF) unit,
`and a processor electrically connected to the RF unit. The
`processor is configured to fill the entirety of a binary field
`indicating resource allocation information contained in a
`dowrrlink control channel with ‘1’ during the SPS deactiva-
`tion, and to transmit the downlink control channel with the RF
`unit. The binary field entirely filled with ‘ l ’ indicates the SPS
`deactivation.
`In another aspect ofthe present invention, there is provided
`
`a user equipment (U3) for a wireless mobile communication
`system, the user equipment (UE) including a radio frequency
`(RF) unit, and a processor electrically connected to the RF
`unit, wherein the processor is configured to receive a down—
`link control channel including resource allocation informa—
`tion through the RF unit, and to release resource allocation for
`
`the U3 When a biliary field indicating the resource allocation
`information is entirely filled with ‘1’.
`In another aspect ofthe present invention, there is provided
`a wireless communication apparatus including a radio fre-
`
`Ex. 1001 - TCT Mobile (US) Inc.
`Ex. 1001 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`Page 24 of 36
`Page 24 of 36
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`

`

`US 8,971,279 B2
`
`
`
`5
`quency (RF) unit, and a processor electrically connected to
`the RF unit, wherein the processor is configured to fill the
`entirety ofa binary field indicating resource allocation infor—
`ma ion contained in a downlink control channel with ‘1 ‘, and
`to transmit the downlink control channel to a user equipment
`(UE), the binary field being entirely filled with the value of ‘ 1 ’
`indicates a release of resources allocated to the UE.
`"he downlink control channel may be a physical downlink
`control charmel (PDCCH).
`A downlink control in formation (DCI) format ol'the down—
`link control channel may be a ‘format 0‘ or a ‘format 1A’.
`The wireless mobile communication system may use a
`scheduling based on a compact scheme, and the binary field
`may be composed of a field indicating a resource indication
`value (RIV).
`' he wireless mobile cormnunication system may use a
`scheduling based on a compact scheme, and the binary field
`may be composed of a field indicating a resource indication
`value (RIV) and a field indicating ‘Gap’ information used for
`distributed allocation of resources.
`The wireless mobile communication system may use a
`scheduling based on a compact scheme, and the binary field
`may be composed of a field indicating a resource indication
`value (RIV) and a field indicating hopping information.
`The resource allocation information may be composed of
`resource block allocation information, or may be composed
`of resource block allocation information and hopping
`resource allocation information.
`The resource block allocation information may be repre—
`sented by the RIV. The RIV may indicate a pair of a start
`index (S) and a length Go) of consecutive VRBs capable of
`being combined with each other.
`It
`is to be understood that both the foregoing general
`description and the following detailed description of the
`present invention are exemplary and explanatory and are
`intended to provide further explanation of the invention as
`claimed.
`
`
`
`
`
`BRIEF DESCRIPTION OF THE DRAWINGS
`
`
`
`The accompanying drawings, which are included to pro—
`vide a further understanding of the invention,
`illustrate
`embodiments of the invention and together with the descrip-
`tion serve to explain the principle of the invention.
`In the drawings:
`FIG, 1 shows a structure of a frequency division duplex
`(FDD) type radio frame used in an ITE system.
`FIG. 2 shows a structure ofa time division duplex (TDD)
`type radio frame used in an ITE system.
`FIG. 3 shows an uplink (UL) resource grid structure foruse
`in an LTE system.
`FIG. 4 shows a downlink (DL) resource grid structure for
`use in an LTE system.
`FIG. 5 is a block diagram illustrating an Evolved Universal
`
`Mobile Telecommunications System (E-UMTS) network
`structure as an example of a mobile commtmication system.
`FIGS. 6 and 7 illustrate radio interface protocol structures
`
`between a UE and a UMTS Terrestrial RadioAccess Network
`(UTRAN) that are based on a 3GPP LTE radio access network
`standard.
`FIG. 8 shows physical channels used for an LTE system
`and a general signal transmission method capable ofusing the
`physical chalmels.
`FIG. 9 is a conceptual diagram illustrating signal process-
`ing for enabling a UE to transmit an uplink signal.
`
`m
`
`10
`
`20
`
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`
`40
`
`if]
`
`m v.
`
`6U
`
`6
`:IG. 10 is a conceptual diagram illustrating signal process-
`ing for enabling a base station (BS) to transmit a downlink
`signal.
`41G. 11 is a conceptual diagram illustrating an SC—FDNA
`
`scheme for transmitting an uplink signal and an OFDNA
`scheme for transmitting a downlink signal in a mobile com-
`munication system.
`SIG. 12 is a view illustrating an example of a method for
`mapping distributed virtual resource blocks (DVRBs) and
`localized Virtual
`resource blocks (LVRBs)
`to physical
`resource blocks (PRBs).
`EIG. 13 is a view illustrating an example ofa method for
`allocating resource blocks (RBs) by a compact scheme.
`:IG. 14 is a view illustrating an example of a method for
`mapping two DVRBs having consecutive indexes to a plural-
`ity of contiguous PRBs.
`:IG. 15 is a view illustrating an example of a method for
`mapping two DVRBs having consecutive indexes to a plural-
`ity of spaced PRBs.
`:IG. 16 is a view illustrating an example of Rle when the
`number of available RBs is 20 according to one embodiment
`of he present invention.
`EIG. 17 shows an exemplary structure of a PDCCH field
`for signaling SPS deactivation according to the present inven—
`tion.
`:IG. 18 shows individual fields acquired when DVRB
`allocation is carried out in a PDCCH having a ‘DCI format
`lA’ according to the present invention.
`SIG. 19 shows individual fields ofa PDCCII having a ‘DCI
`rmat 0’ according to the present invention.
`:IG. 20 is a block diagram illustrating constituent elements
`of a device applicable to the