Title:
TERMINAL DEVICE, METHOD, AND INTEGRATED CIRCUIT
Document Type and Number:
WIPO Patent Application WO/2020/218411
Kind Code:
A1
Abstract:
Provided is a terminal device which, when communicating with a source cell and a target cell using a single PDCP entity, associates a radio bearer of the source cell and a radio bearer of the target cell that are associated with the same EPS bearer identifier with the PDCP, wherein the PDCP manages two keys.
Inventors:
TSUBOI HIDEKAZU
YAMADA SHOHEI
HORI TAKAKO
YAMADA SHOHEI
HORI TAKAKO
Application Number:
PCT/JP2020/017472
Publication Date:
October 29, 2020
Filing Date:
April 23, 2020
Export Citation:
Assignee:
SHARP KK (JP)
International Classes:
H04W36/08; H04W36/18; H04W76/15
Foreign References:
| JP2007503155A | 2007-02-15 |
Other References:
"LTE mobility enhancements for eMBB HO using dual active protocol stack", 3GPP TSG RAN WG2 #105BIS R2-1904646, 29 March 2019 (2019-03-29), XP051693848
VIVO: "UP architecture and impacts of DC handover", 3GPP TSG RAN WG2 #104 R2-1816332, 2 November 2018 (2018-11-02), XP051480301
NOKIA, NOKIA SHANGHAI BELL: "Report from [104#61][LTE/feMOB] Solution directions for minimizing user data interruption for UL/DL (Nokia", 3GPP TSG RAN WG2 #105 R2-1900619, 13 February 2019 (2019-02-13), XP051597319
ERICSSON: "Single vs dual active protocol stack for reduced handover interruption", 3GPP TSG RAN WG2 #105BIS R2-1903894, 28 March 2019 (2019-03-28), XP051693130
VIVO: "UP architecture and impacts of DC handover", 3GPP TSG RAN WG2 #104 R2-1816332, 2 November 2018 (2018-11-02), XP051480301
NOKIA, NOKIA SHANGHAI BELL: "Report from [104#61][LTE/feMOB] Solution directions for minimizing user data interruption for UL/DL (Nokia", 3GPP TSG RAN WG2 #105 R2-1900619, 13 February 2019 (2019-02-13), XP051597319
ERICSSON: "Single vs dual active protocol stack for reduced handover interruption", 3GPP TSG RAN WG2 #105BIS R2-1903894, 28 March 2019 (2019-03-28), XP051693130
Attorney, Agent or Firm:
NISHIZAWA Kazuyoshi et al. (JP)
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