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Transmission method and device of channel detection signal

A technology of channel detection signal and transmission method, which is applied in the field of transmission method and device of channel detection signal, which can solve the problems of small transmission range and achieve the effect of improving power spectral density and transmission range

Active Publication Date: 2017-05-31
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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  • Claims
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Problems solved by technology

[0003] In large bandwidth scenarios, the transmission range of existing channel sounding signal transmission methods is small

Method used

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  • Transmission method and device of channel detection signal
  • Transmission method and device of channel detection signal
  • Transmission method and device of channel detection signal

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Embodiment Construction

[0038] As mentioned above, in a large bandwidth scenario, the transmission range of the existing channel sounding signal transmission method is relatively small.

[0039] Existing LTE generally uses the following methods for SRS transmission, one of which is to occupy one symbol and use a continuous long sequence in the frequency domain for transmission; the other is to occupy multiple symbols and use a continuous short sequence in the frequency domain for transmission. The above two transmission methods usually implement frequency domain mapping in the form of comb teeth. For details, please refer to Figure 1a and Figure 1b , where legends 11, 12, 13, and 14 represent different comb teeth.

[0040] Figure 1a Indicates the case where the comb teeth are 2, that is, frequency mapping is performed at intervals of 1 subcarrier; Figure 1b The case where the number of comb teeth is 4 is indicated, that is, the frequency domain mapping is performed at intervals of 3 subcarriers....

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Abstract

The invention provides a transmission method and device of a channel detection signal. The method comprises the following steps: receiving configuration information issued by a network side, wherein the configuration information comprises a first frequency pattern in a resource block level, and the first frequency domain pattern indicates a resource block for transmitting the channel detection signal in the system bandwidth; and sending the channel detection signal by use of the resource block indicated by the first frequency domain pattern. The method and device provided by the invention can improve the transmission range of the channel detection signal.

Description

technical field [0001] The present invention relates to the field of communications, in particular to a method and device for transmitting a channel detection signal. Background technique [0002] The channel sounding signal (SRS, Sounding Reference Signal) is an uplink reference signal. The network side can use the channel sounding signal to detect the quality of the uplink channel. It can usually be used to provide reference for eNodeB scheduling and uplink and downlink channel reciprocity. [0003] In a large bandwidth scenario, the transmission range of the existing channel sounding signal transmission method is relatively small. Contents of the invention [0004] The technical problem solved by the invention is to improve the transmission range of the channel detection signal transmission method. [0005] In order to solve the above technical problems, an embodiment of the present invention provides a channel sounding signal transmission method, including: receiving ...

Claims

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Application Information

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IPC IPC(8): H04W24/08H04W72/04H04W72/08H04W72/12
CPCH04W24/08H04W72/0453H04W72/542H04W72/20
Inventor 王化磊
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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