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Subframe determination method and equipment for transmitting crs

A determination method and subframe technology, applied in transmission path sub-channel allocation, transmission system, digital transmission system, etc., can solve problems affecting receiving performance, etc.

Active Publication Date: 2017-03-29
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, in the prior art, for NCT carriers, the receiving end does not know which subframes to receive the CRS, thus affecting the receiving performance

Method used

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  • Subframe determination method and equipment for transmitting crs
  • Subframe determination method and equipment for transmitting crs
  • Subframe determination method and equipment for transmitting crs

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Embodiment Construction

[0033] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is a part of embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0034] The technical solution of the present invention can be applied to various wireless communication systems, such as: Global System for Mobile Communications (Global System for Mobile Communications, referred to as GSM), General Packet Radio Service (General Packet Radio Service, referred to as GPRS) system, Code Division Multiple Access (Code...

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Abstract

Provided are a method and device for determining a subframe which transmits a CRS. A method, by acquiring a cell identification of a cell serving UE, and according to the transmission cycle of a CRS and the cell identification, determines a subframe which transmits the CRS in the cell, so that the UE and a base station can determine a subframe which transmits a CRS over an NCT carrier.

Description

technical field [0001] The present invention relates to communication technology, in particular to a subframe determination method and equipment for transmitting a cell-specific reference signal (Cell-specific Reference Signal, CRS). Background technique [0002] In a wireless communication system such as a Long Term Evolution (LTE) system, a new carrier type (New Carrier Type, NCT), or may also be called an additional carrier type (Additional Carrier Type, ACT), is introduced, This embodiment does not limit it. The NCT carrier cannot carry a Physical Downlink Control Channel (PDCCH), but can carry a Cell-specific Reference Signal (CRS), and the CRS cannot be transmitted in consecutive subframes. [0003] However, in the prior art, for the NCT carrier, the receiving end does not know which subframes to receive the CRS, thus affecting the receiving performance. Contents of the invention [0004] The invention provides a subframe determination method and equipment for CRS ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W72/00
CPCH04L5/0048H04L5/0053H04L5/0092H04L5/1469
Inventor 栗忠峰
Owner HUAWEI TECH CO LTD