Transceiver module based on time division duplex and processing method thereof

A transceiver and time-division duplex technology, which is applied in the field of communication, can solve the problems that the transmission channel and the receiving channel cannot cooperate to obtain test data, there is no feedback signal test signal circuit structure, and the test efficiency is low.

Active Publication Date: 2010-10-13
HUAWEI TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The embodiment of the present invention provides a time-division duplex-based transceiver module and its processing method, which can solve the problem that the circuit structure of the existing transceiver module does not have a feedback signal as a test signal, and cannot use its own transmission channel and reception channel. To cooperate with the acquisition of test data, it is necessary to use external test instruments during the test, resulting in high test cost and low test efficiency.

Method used

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  • Transceiver module based on time division duplex and processing method thereof
  • Transceiver module based on time division duplex and processing method thereof
  • Transceiver module based on time division duplex and processing method thereof

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Experimental program
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Embodiment 1

[0029] This embodiment one provides a transceiver module based on Time Division Duplex (TDD, Time Division Duplex), which is used in a TDD-based transceiver, and can be a single-receive, single-transmit transceiver module, or a multiple Receive multi-transmitter transceiver module, the following is as follows image 3 The shown transceiver module of single-receipt and single-transmit is described as an example. The transceiver module of single-receive and single-transmit specifically includes:

[0030] Transmitting channel circuit, receiving channel circuit and RF built-in self-loop circuit;

[0031] Wherein, the transmitting channel circuit is used for transmitting radio frequency signals;

[0032] The receiving channel circuit is used to receive radio frequency signals;

[0033] The radio frequency built-in self-loop circuit is connected between the transmitting channel circuit and the receiving channel circuit, as a closed-loop circuit for the transmitting channel circuit...

Embodiment 2

[0054] The transceiver module based on Time Division Duplex (TDD, Time Division Duplex) provided by this embodiment two is basically the same structure as the transceiver module in embodiment one, the difference is that in the radio frequency built-in self-loop circuit, through Set the resistance power dividing circuit U431, reduce a coupler, and form a Figure 4 In the circuit structure shown, the radio frequency built-in self-loop circuit specifically includes: three couplers S421, S422, S423 and a resistance power dividing circuit U431;

[0055] Wherein, the first coupler S423 is arranged at the signal output end after the circulator U405 of the transmitting channel circuit, and is connected with the second coupler S422 arranged on any input node of the receiving channel circuit through the resistance power dividing circuit U431 in turn, which can Coupling the signal output by the circulator U405 of the transmitting channel circuit into the receiving channel circuit;

[00...

Embodiment 3

[0062] The transceiver module based on time division duplexing provided by the third embodiment, such as Figure 5 As shown, it is a double-receiving and double-transmitting transceiver module. The radio frequency built-in self-loop circuit in the transceiver module of this structure can adopt the structure in embodiment one or embodiment two, as long as the transmission channel circuit The output port of the receiving channel circuit is connected with any input node of the receiving channel circuit and any output node before the output port of the transmitting channel circuit, and a closed loop circuit can be formed between the transmitting channel circuit and the receiving channel circuit, but in order to ensure The circuit is simple and easy to control and match, often using Figure 5 In the circuit structure given in , wherein, the structure of the radio frequency built-in self-loop circuit is based on the radio frequency built-in self-loop circuit of Embodiment 2, adding ...

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Abstract

The embodiment of the invention provides a transceiver module based on time division duplex and a processing method thereof, belonging to the field of communication. The transceiver module comprises at least one transmitter channel circuit, at least one receiver channel circuit and a radio-frequency built-in self-loop circuit, wherein the radio-frequency built-in self-loop circuit is connected between the transmitter channel circuit and the receiver channel circuit to form a closed-loop circuit, signals introduced into the transmitter channel output through coupling of the closed-loop circuit are transmitted to the receiver channel circuit as testing signals, the receiver channel circuit collect data from the testing signals, and the collected data are used as data for analysis to obtain the radio-frequency performance indicator of the transmitter channel or the performance indicator of the receiver channel. Due to the radio-frequency built-in self-loop circuit, the transceiver module has a circuit structure capable of transmitting back the signals of the transmitter channel output as the testing signals, thereby avoiding the use of the external testing apparatus during the test, reducing the testing cost, and improving the testing efficiency.

Description

technical field [0001] The invention relates to the field of communication, in particular to a time-division duplex-based transceiver module and a processing method thereof. Background technique [0002] At present, the transceiver modules in the existing transceivers need to test their transceiver channels in the production or application process, and the existing transceiver modules are tested mainly through external testing instruments (such as spectrum instrument, signal source, etc.) completed. figure 1 Shown is the structure of the transceiver module based on Time Division Duplex (TDD, Time Division Duplex). Output the radio frequency signal, the receiving channel is used to receive the radio frequency signal sent by other machines. The indicator test of the transmit channel based on the Time Division Duplex (TDD, Time Division Duplex) transceiver module is carried out through a spectrum analyzer, and the indicator test of the receive channel is tested with the signa...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/00H04B17/00H04B17/14
Inventor 温文栋
Owner HUAWEI TECH CO LTD
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