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A system and method for gain adjustment of a transceiver
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A transceiver and gain adjustment technology, applied in the field of communication, can solve the problems of low compensation accuracy, complex circuit structure, inconvenient control, etc., and achieve the effect of high adjustment accuracy
Inactive Publication Date: 2019-07-23
POTEVIO INFORMATION TECH CO LTD
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Description
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Problems solved by technology
[0004] In the prior art, the temperature compensation of the transceiver is not compensated for all components, resulting in low compensation accuracy and obvious deviation
At the same time, due to the complex circuit structure used for compensation, the compensation mechanism is complicated and not easy to control
Method used
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Embodiment 1
[0042] figure 1 It is a system block diagram of the gain adjustment of the transceiver provided by this embodiment, see figure 1 , the system A of transceiver gain adjustment consists of:
[0043] A gain adjustment module A3 set in the preset link of the transceiver for adjusting the gain of the entire preset link;
[0044] The first acquisition module A1: used to acquire the current working temperature of the transceiver;
[0045] The second acquiring module A2: used to acquire the preset link of the preset transceiver at the current working temperature from the pre-acquired correspondence information between the operating temperature of the transceiver and the gain of the preset link corresponding gain;
[0046] The gain adjustment module A3 is configured to adjust the gain adjustment module according to the gain and the preset gain, so that the gain of the preset link is the preset gain.
[0047] It should be noted that the gain is the ratio of the signal output to the ...
Embodiment 2
[0053] On the basis of Embodiment 1, the first obtaining module in this embodiment is further configured to periodically obtain the working temperature of the transceiver.
[0054] Since the temperature of the external environment changes at any time when the transceiver is working, periodically obtaining the operating temperature of the transceiver can ensure that the gain of the link is adjusted according to the temperature change of the gain at any time.
Embodiment 3
[0056] On the basis of embodiment 1,
[0057] The second acquisition module is also used to:
[0058] Obtain the gain of the preset link of each transceiver selected at random when the preset number is working at the preset temperature point, and remove the gain of the preset link whose change trend with the temperature point is different from the preset change trend Gain, calculating the average gain at each remaining temperature point, and generating a list of associated storage of the temperature point and the average gain, so as to obtain corresponding information between the operating temperature of the transceiver and the gain of the preset link.
[0059] Or, the second acquisition module is also used for:
[0060] Obtain the gain of a preset number of randomly selected preset links of each transceiver working within the preset temperature range, and remove the gain variation trend with temperature and the preset variation trend within the preset temperature range Gain...
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Abstract
The invention discloses a system and method for adjusting the gain of a transceiver. The system comprises a gain adjustment module disposed in the preset link of the transceiver and used for adjusting the gain of the entire preset link; a first acquisition module for acquiring the current operating temperature of the transceiver; and a second acquisition module for acquiring the gain corresponding to the preset link of the preset transceiver at the current operating temperature from the pre-acquired corresponding information of the operating temperature of the transceiver and the gain of the preset link. The gain adjustment module is adjusted according to the gain and the preset gain so that the gain of the preset link is the preset gain. The system and method adjust the gain of the entire preset link by using the gain adjustment module arranged in the preset link of the transceiver and used for adjusting the gain of the entire preset link, control the gain of the entire link, and are simple and easy to control in adjustment mechanism, and high in adjustment precision.
Description
technical field [0001] The invention belongs to the technical field of communication, and in particular relates to a system and method for adjusting the gain of a transceiver. Background technique [0002] The transceiver link includes digital devices and analog devices, and the gain of the analog devices is sensitive to temperature, causing the transmit gain and receive gain of the entire transceiver to fluctuate significantly with temperature. Large fluctuations in gain can cause problems for the normal operation of the transceiver. When the transmit gain changes too much, the output power will fluctuate greatly, affecting the downlink signal performance. When the receiving gain fluctuates too much, it will affect the sensitivity and anti-interference ability of the receiver. [0003] When the transceiver is designed, a normal operating temperature range is usually drawn up, for example, -40 to 70 degrees Celsius, and the temperature variation range is 110 degrees. The ...
Claims
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