`
`Commented [H1]: Document numbers are allocated by the
`Working Group Secretary.
`
`3GPP TSG-RAN2#63 meeting
`Jeju, South Korea, 18th– 22nd August 2008
`
`Agenda Item: 6.1.1.3
`
`Souce:
`
`Title:
`
`
`
`
`
`
`
`
`
`
`
` Samsung
`
` SPS resource release
`
`Document for: Discussion and decision
`
`1 Introduction
`
`This paper discusses how to release the SPS resource. One can consider the robustness to the false release as the most important
`thing to be ensured in the release mechanism. We think the false release could be detected by ENB from the fact that UE does not
`use the SPS resource anymore after flase release command occurs. Hence a simple release mechanism is enough.
`
`We propose here a mechanism using a code point of RB assignment field in DCI.
`
`2 Discussion
`
`As shown in table 1 only part of code points are used in RB assignment field of all system bandwidth if the frequency hopping is
`disabled. Since we are talking about resource release, there is no reason to enable the frequency hopping.
`
`Table 1. Number of unused code points in RB assignment field.
`
`System BW
`
`#of RBs
`
`# of required code point
`
`# of code points
`
`Unused code points
`
`1.4
`
`5
`
`10
`
`20
`
`6
`
`25
`
`50
`
`100
`
`21
`
`325
`
`1275
`
`5050
`
`32
`
`512
`
`2048
`
`8192
`
`11
`
`187
`
`773
`
`3142
`
`Any of the unused code point could indicate the SPS resource release. To make the relevant text simple, all 1s could be a good
`candidate. It is proposed to agree on the followings and send LS to RAN1 to inform RAN2 decision.
`
`Proposal: all 1s in RB assignment field in SPS resource allocation DCI releases the SPS resource currently configured.
`
`3 Conclusion & recommendation
`
`This paper proposes to use all 1s in RB assignment field in SPS resource allocation DCI to release the SPS resource. Since the
`basic text for SPS resource handling is missing in the current MAC spec, it is proposed to agree on the principle now and to
`capture the relevant text in the future.
`
`Note that the proposal is valid for DCI format 0/1A. Even though DCI format 1 is allowed for DL SPS resource signaling, we
`don’t see any reason to use DCI format 1 in releasing the resource. Hence we believe the proposal works both for the uplink and
`for the downlink.
`
`Page 1
`
`Ex. 1005 - TCT Mobile (US) Inc.
`TCT Mobile (US) Inc. v. Sisvel S.P.A., IPR2021-00678
`Page 1 of 1
`
`
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