Signal transmission method and signal transmission apparatus

A signal transmission and signal technology, applied in the field of communication, to achieve the effect of improving utilization, saving measurement overhead, and reserving more guard intervals

Active Publication Date: 2018-07-13
HUAWEI TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] However, under D-TDD, there is co-frequency cross-interference between adjacent cells, including the interference from the downlink transmission of the same-frequency base station in the neighboring cell to the uplink reception of the base station in this cell, and the interference of the user equipment (User Equipment, referred to as "UE" for short) in the neighboring cell. ) interference from uplink transmission to UE downlink reception in this cell

Method used

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  • Signal transmission method and signal transmission apparatus
  • Signal transmission method and signal transmission apparatus

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Embodiment Construction

[0065] The technical solutions in the embodiments of the present application will be described below with reference to the drawings in the embodiments of the present application.

[0066]It should be understood that the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: Global System of Mobile communication (Global System of Mobile communication, GSM) system, Code Division Multiple Access (Code Division Multiple Access, CDMA) system, wideband code division Multiple Access (Wideband Code Division Multiple Access, WCDMA) system, General Packet Radio Service (General Packet Radio Service, GPRS), Long Term Evolution (Long Term Evolution, LTE) system, LTE Frequency Division Duplex (Frequency Division Duplex, FDD) system, LTE Time Division Duplex (TDD), Universal Mobile Telecommunications System (UMTS), Worldwide Interoperability for Microwave Access (WiMAX) communication system, and future 5G communication syst...

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Abstract

The embodiment of the invention provides a signal transmission method and a signal transmission apparatus, and the method comprises the following steps that: a terminal device receives configuration information sent by a network device, wherein the configuration information is used for indicating the terminal device to send a reference signal, and a resource used for transmission of the referencesignal is determined according to a cell public identity of a cell where the terminal device belongs; and the terminal device uses the resource to send the reference signal according to the configuration information. By the signal transmission method and the signal transmission apparatus provided by the embodiment of the invention, interference/channel measurement between the terminal devices canbe executed through the existing reference signal, thus, the terminal device of a receiving side is enabled to distinguish interference cells while the utilization rate of the reference signal is improved.

Description

technical field [0001] The embodiments of the present application relate to the communication field, and more specifically, to a signal transmission method and device. Background technique [0002] With the development of wireless network technology, the demand for wireless resources is increasing day by day due to the emerging services. In order to adapt to the rapid changes in uplink and downlink service characteristics of small coverage networks, Dynamic Time Division Duplex (Dynamic Time Division Duplex, "D-TDD") technology has become one of the key technologies for next-generation mobile communications. The so-called D-TDD refers to flexible and fast switching of time division duplex (Time Division Duplex, referred to as "TDD") subframes or time slots uplink and downlink according to the uplink and downlink business load in the network, so as to match the specific service requirements in the network. Improve the throughput of network uplink and downlink services. The ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04L5/00
CPCH04L5/0037H04L5/0039H04L5/0044H04L5/0094H04L5/0051H04W76/11H04L5/0007H04L25/0226H04L27/2607H04W80/08
Inventor 李俊超张弛龚政委
Owner HUAWEI TECH CO LTD
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