A kind of isolation method of wireless repeater antenna and wireless repeater
A wireless repeater and antenna technology, which is applied to the isolation field of wireless repeater and wireless repeater antenna, can solve the problems of unsatisfactory isolation effect of wireless repeater antenna.
Active Publication Date: 2019-01-08
CHINA MOBILE COMM GRP CO LTD
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Problems solved by technology
[0014] The embodiment of the present invention provides a wireless repeater antenna isolation method and a wireless repeater to solve the problem of unsatisfactory isolation effect of the wireless repeater antenna in the prior art
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Embodiment 1
[0039] In Embodiment 1 of the present invention, a method for isolating a wireless repeater antenna is provided, such as Figure 4 As shown, it specifically includes the following steps:
[0040] S401. Determine whether the isolation between the return antenna and the access antenna of the wireless repeater meets the preset isolation requirement; if so, proceed to step S402; otherwise, proceed to step S403.
[0041] Further, in this step, if the wireless repeater has the isolation measurement function, the isolation between the backhaul antenna and the access antenna can be measured in actual deployment, and if the wireless repeater does not have the isolation measurement function This step may not be executed, and the execution starts from step S403 directly.
[0042] Further, for a wireless repeater with isolation measurement function, the following method can be used to measure the isolation between the backhaul antenna and the access antenna: the backhaul antenna transmit...
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The invention provides an isolation method for a wireless repeater antenna and a wireless repeater. The method comprises steps that when a downlink signal sent by a base station is received by a return antenna, a center frequency point of the downlink signal is switched from a first frequency point to a second frequency point, and the downlink signal accomplishing gain adjustment and having the second frequency point to be the center frequency point is sent to the terminal through an access antenna; when an uplink signal sent by the terminal is received by the access antenna, the center frequency point of the uplink signal is switched from the second frequency point to the first frequency point, and the uplink signal accomplishing gain adjustment and having the first frequency point to be the center frequency point is sent to the base station through the return antenna; the first frequency point and the second frequency point are frequency points contained in one same work frequency band of the base station, and the frequency interval between the first frequency point and the second frequency point is smaller than the operation band width of the base station. A problem of a non-ideal isolation effect existing in a wireless repeater antenna in the prior art can be solved. The isolation method belongs to the mobile communication technology field.
Description
technical field [0001] The invention relates to the technical field of mobile communication, in particular to a method for isolating antennas of a wireless repeater and a wireless repeater. Background technique [0002] Since the wireless signal attenuates with the increase of the propagation distance, the users at the edge of the cell and the users in the blind area have poor performance due to their weaker signals. In order to solve the problem of weak coverage and deep coverage, repeaters are widely used in the current 2G live network to improve coverage. The wireless repeater is a same-frequency relay station that directly amplifies mobile communication signals. It does not change the frequency of the original signal, nor does it perform any processing on the information carried by the signal. figure 1 It is a schematic diagram of the signal processing of the wireless repeater, which is different from the Layer 3 relay station that was widely discussed and decided to b...
Claims
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IPC IPC(8): H04B7/15H04B1/525
Inventor 王大鹏闫渊许灵军付吉祥王军
Owner CHINA MOBILE COMM GRP CO LTD