CN-121986543-A - Communication device and communication method

Abstract

The communication device performs communication with the 1st communication network and the 2nd communication network and wireless communication with the terminal, and performs a specific action as a wireless base station accommodating the terminal belonging to the mobile communication network including the 1st communication network and the terminals belonging to other mobile communication networks other than the mobile communication network. The communication device transmits a connection signal corresponding to each mobile communication network to the terminal.

Inventors

• YOSHIOKA SHOHEI
• Genyoko Okano
• KUMAGAI SHINYA
• TANIZAKI Yuta
• NAGATA AKIRA
• MIN TIANYANG
• INOUE SHOICHI

Assignees

• 株式会社NTT都科摩

Dates

Publication Date

20260505

Application Date

20231214

Claims (5)

1. 1. A communication device, comprising: A communication unit that performs communication with the 1 st communication network and the 2 nd communication network and wireless communication with the terminal, and A control unit that performs a specific operation as a radio base station that accommodates the terminal belonging to a mobile communication network including the 1 st communication network and the terminal belonging to a mobile communication network other than the mobile communication network, The communication unit transmits a connection signal corresponding to each of the mobile communication networks to the terminal.
2. 2. The communication device of claim 1, wherein, The communication unit transmits or receives the connection signal independent for each mobile communication network.
3. 3. The communication device of claim 1, wherein, The communication unit transmits or receives the connection signal common to a plurality of mobile communication networks.
4. 4. The communication device of claim 1, wherein, The control unit performs the specific operation based on information transmission and reception with the mobile communication network or the other mobile communication network, The control section applies settings related to communications in a resource or frequency band common to each of the mobile communication networks or the plurality of mobile communication networks.
5. 5. A method of communication comprising the steps of: Performing communication with the 1 st communication network and the 2 nd communication network, and wireless communication with the terminal; Performing a specific action as a radio base station accommodating the terminal belonging to a mobile communication network including the 1 st communication network and the terminal belonging to a mobile communication network other than the mobile communication network, and And transmitting a connection signal corresponding to each of the mobile communication networks to the terminal.

Description

Communication device and communication method Technical Field The present disclosure relates to a communication apparatus and a communication method capable of performing wireless communication with a terminal (UE). Background The third Generation partnership project (3rd Generation Partnership Project:3GPP (registered trademark)) normalizes the fifth Generation mobile communication system (5 th Generation mobile communication system) (also referred to as 5G, new Radio: NR, or Next Generation (NG)), and also normalizes the Next Generation referred to as Beyond 5G, 5G event, or 6G. For example, in a white paper (non-patent document 1) related to 6G, a more flexible network function configuration and the like are being studied with respect to a network architecture. For example, in 6G, as one mode of the architecture of a mobile communication network (PLMN: public Land Mobile Network: public land mobile network), an access point (communication device) which is subordinate to the mobile communication network and can be actively controlled by a network operator can be provided, and an NCAP (temporary refer Network Controlled Access Point: network control access point) is scheduled to be introduced. In order to further improve the utilization efficiency of the existing frequency band (which may include a newly allocated high frequency band), network sharing (resource sharing) has been studied in which a plurality of communication carriers (network operators) share a Radio Access Network (RAN) and the investment cost for the network is shared, thereby realizing a plurality of radio base station settings (non-patent document 2). Prior art literature Non-patent literature Non-patent document 1, NTT Docom, "Docom 6G white paper version 5.0", [ online ], month 2023, 01, internet <URL:https://www.docomo.ne.jp/binary/pdf/corporate/technology/whitepaper_6g/DOCOMO_6G_White_PaperJP_20221116.pdf> Non-patent literature 2：3GPP TR 22.951 V17.0.0, 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Service aspects and requirements for network sharing （Release 17）, 3GPP, 2022, 3 month Disclosure of Invention When the network sharing described above is applied to a mobile communication network including an NCAP (may also be referred to as an NCAP network), the UE can perform connection (access) widely without being limited to a specific mobile communication network (PLMN). On the other hand, in such a case, resources such as a frequency band to be used must be clarified. For example, there are cases where available frequency bands are different between PLMNs, and there are cases where the same frequency band is shared between PLMNs. Accordingly, the following disclosure has been made in view of such a situation, and an object thereof is to provide a communication apparatus and a communication method that can widely connect terminals via an NCAP network without limiting a mobile communication network (PLMN) even in the case of application network sharing. One embodiment of the present disclosure is a communication device (NCAP 100) having a communication unit (1 st communication unit 110, 2 nd communication unit 120, 3 rd communication unit 130) that performs communication with the 1 st communication network and the 2 nd communication network and wireless communication with a terminal (UE 200), and a control unit (control unit 140) that performs a specific operation as a radio base station (gNB 50) that accommodates the terminal belonging to a mobile communication network including the 1 st communication network and the terminals belonging to other mobile communication networks other than the mobile communication network, and that transmits connection signals corresponding to the respective mobile communication networks to the terminals. Drawings Fig. 1 is a schematic overall configuration diagram of a wireless communication system 10. Fig. 2 is a functional block configuration diagram of the NCAP 100. Fig. 3 is a functional block configuration diagram of the UE 200. Fig. 4 is a functional block diagram of the gNB 50. Fig. 5 is a diagram showing an example (one) of the configuration of the C-plane function and the U-plane function of the CN in the mobile communication network using the NCAP 100. Fig. 6 is a diagram showing a configuration example (second) of the C-plane function and the U-plane function of the CN in the mobile communication network configured by using the NCAP 100. Fig. 7 is a diagram showing an example (one) of control operations between the NCAP100 and the PLMNs. Fig. 8 is a diagram showing an example of control operations between the NCAP100 and the PLMNs (second). Fig. 9 is a diagram showing an example of communication timing related to the construction of an NCAP network. Fig. 10 is a diagram showing an example of the hardware configuration of the NCAP100, the UE200, and the gNB 50. Fig. 11 is a diagram showing a structural example of the vehicle 2001. Detailed Desc