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Terminal device, communication control device, and communication control method

A terminal device and communication control technology, applied in wireless communication, machine-to-machine/machine-type communication services, access restrictions, etc., can solve the problem of increasing data traffic in cellular systems, and achieve the effect of suppressing the increase in load

Inactive Publication Date: 2020-02-18
SONY CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] Currently, there are concerns that data traffic in cellular systems will increase due to the proliferation of smartphones

Method used

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  • Terminal device, communication control device, and communication control method
  • Terminal device, communication control device, and communication control method
  • Terminal device, communication control device, and communication control method

Examples

Experimental program
Comparison scheme
Effect test

no. 1 example

[0056] 3.1 Overview

[0057] 3.2 Structure of UE

[0058] 3.3 Structure of Pico eNB

[0059] 3.4 Processing flow

[0060] 4. The second embodiment

[0061] 4.1 Overview

[0062] 4.2 Structure of UE

[0063] 4.3 Structure of macro NB

[0064] 4.4 Processing flow

[0065] 5. The third embodiment

[0066] 5.1 Overview

[0067] 5.2 Structure of UE

[0068] 5.3 Structure of macro eNB

[0069] 5.4 Processing flow

no. 4 example

[0071] 6.1 Overview

[0072] 6.2 Structure of macro NB

[0073] 6.3 Structure of UE

[0074] 6.4 Processing flow

[0075] 7. Application examples

[0076] 7.1. Applications related to eNB

[0077] 7.2. Applications related to UE

[0078] 9. Conclusion

[0079] >

[0080] First, refer to figure 1 and 2 Describes carrier aggregation, measurements and small cells.

[0081] (Release 10 Carrier Aggregation)

[0082] - component carrier

[0083] In Release 10 carrier aggregation, up to five component carriers (CCs) are bundled and used by a user equipment (UE). Each CC is up to 20MHz bandwidth. In carrier aggregation, consecutive CCs in the frequency direction are used in some cases, and CCs separated in the frequency direction are used in some cases. When CCs that are far apart on the frequency axis are used, the propagation state will be significantly different between the used CCs. In carrier aggregation, a CC to be used can be set for each UE.

[0084] - Main CC a...

no. 2 example

[0247] refer to Figures 9 to 13 , Next, a second embodiment of the present disclosure will be described.

[0248]

[0249] (question)

[0250] The problems associated with the second embodiment are the same as those associated with the first embodiment. In other words, for example, the second embodiment can also suppress an increase in the load on the base station of the macro cell.

[0251] (solution)

[0252] According to the second embodiment, when UE 100 is not connected to any eNB during an access procedure for an eNB (in particular, macro eNB 200 ), UE 100 provides a message including information according to a state of UE 100 to the eNB. Meanwhile, macro eNB 200 determines whether to allow connection of UE 100 based on the above information according to the state of UE 100 .

[0253]With the above operations, the network side can determine the UE 100 to be connected to the macro eNB 200 in consideration of the state of the UE 100 . Therefore, it is possible to s...

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Abstract

In order to suppress the increase of the load of the macro cell base station. There is provided a terminal device having: an acquisition unit that acquires information on a small cell and a macro cell that completely or partially overlap a macro cell; and a communication control unit that executes when the terminal device is not connected to any base station Access procedure for connecting to a small cell base station.

Description

technical field [0001] The present disclosure relates to a terminal device, a communication control device, and a communication control method. Background technique [0002] Currently, there is a concern that data traffic in cellular systems will increase due to the spread of smart phones. For this reason, it is becoming increasingly important for cellular service providers to increase the communication capacity of cellular systems. [0003] In order to increase communication capacity, for example, service providers arrange small cells such as pico cells or femto cells in macro cells. Therefore, service providers can obtain new communication capacity. In order to use such small cells, various investigations have been conducted. [0004] For example, Non-Patent Document 1 discloses various deployment scenarios of small cells and usage of different frequency bands in macro cells and small cells. [0005] reference list [0006] patent documents [0007] Non-Patent Docume...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W48/16H04W16/32H04W4/70
CPCH04W16/32H04W48/16H04W4/70H04W84/045H04W48/20
Inventor 高野裕昭
Owner SONY CORP