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Base station device, terminal device, and method

A technology of a terminal device and a base station, which is applied in the directions of the separation device of the transmission path, the allocation standard, the sub-channel allocation of the transmission path, etc., can solve the problems such as the reduction of the frequency utilization efficiency of the transmission signal, and achieve the effect of reducing interference.

Active Publication Date: 2017-05-10
SHARP KK
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in such a cellular configuration, terminal devices (mobile station devices, receiving stations, receiving points, uplink transmitting devices, downlink receiving devices, mobile terminals) located in the cell end (cell edge) area or the sector end area , receiving antenna group, receiving antenna port group, UE: User Equipment) is subject to interference (inter-cell interference, inter-sector interference) due to transmission signals of base station devices constituting other cells and other sectors, so there is a problem that frequency utilization efficiency decreases

Method used

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  • Base station device, terminal device, and method
  • Base station device, terminal device, and method
  • Base station device, terminal device, and method

Examples

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Embodiment Construction

[0041] The communication system in this embodiment includes: a base station device (transmission device, cell, transmission point, transmission antenna group, transmission antenna port group, component carrier, eNodeB) and terminal device (terminal, mobile terminal, reception point, reception terminal, reception device, receive antenna group, receive antenna port group, UE).

[0042] In this embodiment, "X / Y" includes the meaning of "X or Y". In this embodiment, "X / Y" includes "X and Y". In this embodiment, "X / Y" includes the meaning of "X and / or Y".

[0043] figure 1 is a diagram showing an example of a communication system according to this embodiment. Such as figure 1 As shown, the communication system in this embodiment includes base station apparatuses 1A, 1B, and terminal apparatuses 2A, 2B, and 2C. Also, the coverage area 1-1 is a range (communication area) in which the base station apparatus 1A can connect to the terminal apparatus. Also, the coverage area 1-2 is...

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Abstract

The invention discloses a base station device, a terminal device, and a method. The terminal device is provided with a reception unit for receiving, from a base station device, NAICS assistance information. The NAICS assistance information includes: information related to physical cell IDs; information related to antenna port numbers of cell unique reference signals (CRS); information related to MBSFN subframes; and information related to transmission modes. The information related to the physical cell IDs, the information related to the antenna port numbers of the cell unique reference signals (CRS), the information related to the MBSFN subframes, and the information related to the transmission modes are used in order to eliminate or suppress interference from neighbouring cells, and are set for a primary cell and / or secondary cells. The primary cell and the secondary cells are used in carrier aggregation.

Description

technical field [0001] The present invention relates to a base station device, a terminal device and a method. Background technique [0002] LTE (Long Term Evolution, long-term evolution technology), LTE-A (LTE-Advanced), and WiMAX (Worldwide Interoperability for Microwave Access) based on 3GPP (Third Generation Partnership Project, third-generation partnership project) In such a communication system, a base station device (base station, transmission station, transmission point, downlink transmission device, uplink reception device, transmission antenna group, transmission antenna port group, component carrier, eNodeB) or base station-based A plurality of areas covered by the transmitting station of the device are arranged in a cell-shaped cellular structure, and the communication area can be expanded. In this cellular configuration, frequency utilization efficiency can be improved by utilizing the same frequency between adjacent cells or sectors. [0003] However, in such...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W8/24H04W72/04
CPCH04J11/005H04L5/005H04L5/001H04L5/0073H04L5/0094H04W72/23H04W72/04H04W24/02H04W8/24H04W72/541H04W72/542H04L5/0007H04L5/0048H04W88/08
Inventor 山田良太示泽寿之
Owner SHARP KK
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