`8/30/22, 9:47 AM
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`RAN1 - Radio layer 1
`RAN1 - Radio layer 1
`
`<<NEW 2017-06-13>>Elections for a Chairman and 1 Vice Chairman will be held during RAN WG1#90 meeting in Prague (21
`to 25 August 2017).
`
`RAN WG1 (Radio layer 1) is responsible for the specification of the physical layer of the radio Interface for UE, UTRAN, Evolved
`UTRAN, and beyond; covering both FDD and TDD modes of the radio interface.
`
`Terms of reference
`
`The latest terms of reference were approved at RAN#53
`in document RP-110963.zip.
`
`
`
`Within the scope of TSG RAN, RAN WG1 is responsible for the development of specifications dealing with UTRA, Evolved
`UTRA, and beyond.
`RAN WG1 is responsible for:
`
`
`
`Specification of the physical layer of the Uu radio Interface for UE, UTRAN, Evolved UTRAN, and beyond, covering both FDD
`and TDD modes, as well as the physical layer of the Un Interface for Relay Nodes. The work in RAN WG1 includes especially:
`
`
`
`Specification of physical channel structures
`Specification of the mapping of the transport channels onto physical channels
`Specification of the physical layer multiplexing, and channel coding and error detection
`Specification of the spreading and modulation
`Specification of the physical layer procedures
`Specification of definition of measurements and their provision by the physical layer to the upper layers RAN WG1 also carries out
`work related to handling of the physical layer related UE capabilities and to physical layer related parameters used in UE tests
`developed in TSG RAN.
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`Iub Iur and Iu specification - UTRAN O&M requirements
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`https://web.archive.org/web/20170615124145/http://www.3gpp.org/specifications-groups/ran-plenary/ran1-radio-layer-1
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`1/2
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`UMTS
`
` Ex. 1108
`APPLE INC. / Page 1 of 2
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`
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`8/30/22, 9:47 AM
`
`RAN Working groups and Ad Hoc
`RAN Working groups and Ad Hoc
`groups
`groups
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`RAN1 - Radio layer 1
`
`TSG RAN WG4
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`TSG RAN WG5
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`TSG RAN WG6
`
`Radio performance and protocol aspects (system) - RF parameters and BS
`conformance
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`Mobile terminal conformance testing
`
`Legacy RAN radio and protocol
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`TSG RAN AHG-ITU
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`Ad-hoc group on ITU (internal) co-ordination
`
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`©3GPP 2017
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`LTE-Advanced
`LTE
`Carrier Aggregation Explained
`HetNet/Small Cells
`NAS
`The Evolved Packet Core
`HSPA
`UMTS
`W-CDMA
`GPRS & EDGE
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`2/2
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` Ex. 1108
`APPLE INC. / Page 2 of 2
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