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Title:
FIRST UNIT, SECOND UNIT, COMMUNICATION DEVICE, TERMINAL DEVICE, METHOD, PROGRAM, AND RECORDING MEDIUM
Document Type and Number:
WIPO Patent Application WO/2019/159700
Kind Code:
A1
Abstract:
[Problem] To enable the reporting of the amount of data from a secondary node (SN) to a master node (MN) in dual connectivity. [Solution] A first unit according to one aspect of the present invention is a first unit of a central unit of a first base station. The central unit hosts at least a PDCP layer in the first base station, and is connected via a first interface to a distribution unit that hosts RLC, MAC, and PHY layers in the first base station. The first unit hosts a user plane of at least the PDCP layer hosted by the central unit, and is connected via a second interface to a second unit that hosts a control plane of at least the PDCP layer hosted by the central unit. Information indicating the volume of data processed in the first unit is transmitted to the second unit.

Inventors:
YOKOYAMA, Toshihiro (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
HAYASHI, Sadafuku (7-1 Shiba 5-chome, Minato-k, Tokyo 01, 〒1088001, JP)
Application Number:
JP2019/003344
Publication Date:
August 22, 2019
Filing Date:
January 31, 2019
Export Citation:
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Assignee:
NEC CORPORATION (7-1 Shiba 5-chome, Minato-ku Tokyo, 01, 〒1088001, JP)
International Classes:
H04W24/08; H04W16/32; H04W72/04
Domestic Patent References:
WO2015008552A12015-01-22
Foreign References:
US20150312904A12015-10-29
Other References:
HUAWEI ET AL.: "Stage 3 for secondary RAT data volume reporting over X2", 3GPP TSG RAN WG3 MEETING #98 R3-174931, 3 December 2017 (2017-12-03), pages 1 - 6, XP051373640
NTT DOCOMO, INC.: "Clarification on desired buffer size", 3GPP TSG-RAN WG3 #98 R3-174903, 3 December 2017 (2017-12-03), XP051364085
Attorney, Agent or Firm:
KAJITA, Kuniyuki et al. (Musashikosugi Fukoku Seimei Building 4th Floor, 915 Shinmaruko-machi, Nakahara-ku, Kawasaki-sh, Kanagawa 05, 〒2110005, JP)
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