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Signal receiving method and device

A signal receiving and signaling technology, which is applied in the field of communication, can solve the problems of high implementation complexity, achieve the effects of reducing complexity, simplifying structure, and being easy to implement

Active Publication Date: 2012-10-24
NANTONG HANGDA ELECTRONICS TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In order to solve the problem existing in the prior art that an equalized receiver is used in high-speed data transmission to achieve high complexity, an embodiment of the present invention provides a signal receiving method and device

Method used

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  • Signal receiving method and device

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Embodiment 1

[0022] Such as figure 1 As shown, the embodiment of the present invention provides a signal receiving method, the method comprising:

[0023] Step 101: Receive an antenna signal and perform a multipath search on the received antenna signal to obtain the number of paths of the antenna signal.

[0024] Step 102: When the obtained path number is equal to one, use a Rake receiver to process the antenna signal.

[0025] Systems applicable to the embodiments of the present invention include but are not limited to WCDMA systems and TD-SCDMA (Time Division-Synchronous Code Division Multiple Access, Time Division-Synchronous Code Division Multiple Access) systems.

[0026] In the embodiment of the present invention, the number of paths of the antenna signal is obtained by performing multipath search on the received signal. When the number of paths of the received antenna signal is equal to one, the Rake receiver is used to process the antenna signal, which can simplify the structure o...

Embodiment 2

[0028] An embodiment of the present invention provides a signal receiving method, such as figure 2 As shown, the method includes:

[0029] Step 201: Receive an antenna signal.

[0030] Step 202: Perform multipath search on the received antenna signal to obtain the number of paths of the antenna signal. If the number of paths is equal to one, execute step 203; if the number of paths is greater than one, execute step 204.

[0031] Specifically, this step can obtain the number of paths of the antenna signal in the following manner:

[0032] Correlating the pilot sequence with the received antenna signal, and determining several maximum values ​​in the obtained correlation values;

[0033] Among the obtained maximum values, the number of maximum values ​​greater than the threshold is taken as the number of paths of the antenna signal.

[0034] Step 203: Use the Rake receiver to process the antenna signal.

[0035] Specifically, this step includes:

[0036] When the received...

Embodiment 3

[0071] Such as image 3 As shown, this embodiment provides a signal receiving device, which includes:

[0072] a receiving module 301, configured to receive antenna signals;

[0073] The multipath search module 302 is used to perform multipath search on the antenna signal received by the receiving module 301 to obtain the number of paths of the antenna signal;

[0074] The execution module 303 is configured to use the Rake receiver to process the antenna signal when the number of paths obtained by the multipath search module 301 is equal to one.

[0075] In the embodiment of the present invention, the number of paths of the antenna signal is obtained by performing multipath search on the received signal. When the number of paths of the received antenna signal is equal to one, the Rake receiver is used to process the antenna signal, which can simplify the structure of the receiver. Easy to implement. Especially in the scenario of multi-cell single-path full correlation, the ...

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PUM

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Abstract

The embodiment of the invention discloses a signal receiving method and a signal receiving device, belonging to the technical field of communication. The method comprises the following steps of: receiving an antenna signal and carrying out multi-path search to the antenna signal to obtain the number of paths of the antenna signal; and treating the antenna signal via a Rake receiver when the obtained number of paths of the antenna signal is one. The signal receiving device comprises a receiving module, a multi-path searching module and an execution module. Through the embodiment of the invention, the structure of the receiver can be simplified, and the implementation complexity is obviously reduced.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a signal receiving method and device. Background technique [0002] In a wireless communication system, after the signal is transmitted from the sending end, it propagates along different propagation paths, and finally is received by the receiver, and the signal to be decoded is obtained after processing. In a WCDMA (Wide-band Code Division Multiple Access, wideband code division multiple access) system, the main types of receivers mainly include equalization receivers and Rake receivers (ie, rake receivers). [0003] Among them, the Rake receiver is usually used in the scenario of low-speed data transmission, while in the scenario of high-speed data transmission, such as HSDPA (High Speed ​​Downlink Packet Access, high-speed downlink packet access), the performance requirements of the receiver are higher, so Equalization receivers are usually used to improve sign...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04B1/7113H04B1/7115
Inventor 吴更石陈志群张春玲
Owner NANTONG HANGDA ELECTRONICS TECH