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Transmission instruction, transmission method and device for periodical detected reference signal

A transmission method and transmission method technology, which is applied in the field of equipment, periodic SRS transmission indication and transmission method, can solve the problem of not being able to support the periodic SRS transmission method of the LTE-A system, and achieve the effect of less signaling overhead

Active Publication Date: 2012-04-04
DATANG MOBILE COMM EQUIP CO LTD
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AI Technical Summary

Problems solved by technology

[0006] The configuration method of the existing LTE system cannot support the enhanced periodic SRS transmission mode in the LTE-A system

Method used

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  • Transmission instruction, transmission method and device for periodical detected reference signal
  • Transmission instruction, transmission method and device for periodical detected reference signal
  • Transmission instruction, transmission method and device for periodical detected reference signal

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Embodiment Construction

[0026] Embodiments of the present invention provide a periodic SRS transmission indication method and base station, a periodic SRS transmission method and user equipment, and indicate the periodic SRS transmission mode through downlink signaling. This solution can be used for LTE-A or its evolution Periodic SRS transmission of the system. Specific embodiments of the present invention will be described below in conjunction with the accompanying drawings.

[0027] In the process of explanation, firstly, the implementation of UE and base station will be explained respectively, and then the cooperation between the two will be explained, but this does not mean that the two must be implemented together. In fact, when UE and base station implement At the same time, they also solve the problems on the UE side and the base station side respectively, but when the two are used in combination, better technical effects will be obtained.

[0028] figure 1 It is a schematic diagram of the ...

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Abstract

The invention discloses a transmission instruction, a transmission method and a device for a periodical detected reference signal, which comprise an adopted transmission mode when a base station confirms and requires a user device to transmit the periodical detected reference signal and an adopted transmission mode when the base station indicates the user device to transmit the periodical detected reference signal. The user device confirms the used transmission mode when the periodical detected reference signal is transmitted and transmits the periodical detected reference signal according to the confirmed transmission mode. Signaling cost is less, and more transmitting antenna switching can be supported.

Description

technical field [0001] The present invention relates to wireless communication technology, in particular to a periodic SRS (Sounding Reference Signal, sounding reference signal) transmission instruction, transmission method and equipment. Background technique [0002] In an existing LTE (Long Term Evolution, long-term evolution) system, detection of an uplink channel is accomplished through a sounding (detection) signal. By sending the sounding signal at the last symbol of the SRS subframe, the base station can obtain uplink channel information, thereby performing resource scheduling for uplink transmission and measurement of various transmission parameters. The SRS in the LTE system is sent periodically, that is, the terminal will continue to send the sounding signal at a certain period until it enters a state of no data transmission. At the same time, although the terminal has two antennas in the LTE system, only one antenna can transmit the sounding signal at the same ti...

Claims

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Application Information

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IPC IPC(8): H04B7/06H04L1/00
Inventor 陈文洪拉盖施
Owner DATANG MOBILE COMM EQUIP CO LTD
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