CN111225437A - Gain control method for receiving signal of ground base station - Google Patents
Gain control method for receiving signal of ground base station Download PDFInfo
- Publication number
- CN111225437A CN111225437A CN201911201025.7A CN201911201025A CN111225437A CN 111225437 A CN111225437 A CN 111225437A CN 201911201025 A CN201911201025 A CN 201911201025A CN 111225437 A CN111225437 A CN 111225437A
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- workstation
- slave
- signal
- master
- receiving
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010033799 Paralysis Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/04—TPC
- H04W52/38—TPC being performed in particular situations
- H04W52/42—TPC being performed in particular situations in systems with time, space, frequency or polarisation diversity
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0289—Congestion control
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
Abstract
The invention discloses a gain control method for receiving signals by a ground base station, which is used for receiving signals of a main workstation and sending signals of a slave workstation in a staggered way, and specifically comprises the following steps: s1, keeping silent after a slave workstation is started; s2, adjusting a receiving branch of the slave workstation to be maximum gain, and searching and receiving a master workstation signal sent by the master workstation; s3, after receiving the signal of the main workstation from the workstation, acquiring the time slot information of the signal of the main workstation; s4, the slave workstation sends out a slave workstation signal according to self time slot configuration after the master workstation signal is finished, and simultaneously adjusts a receiving branch of the slave workstation to be the lowest gain; s5, the slave workstation judges whether the signal of the master workstation arrives again, if so, the step S2 is executed. The invention avoids the problems of channel blockage and/or gain loss and the like caused by gain mismatch of the receiving branch of the slave workstation.
Description
Technical Field
The present invention relates to a control method for a signal received by a ground base station, and more particularly, to a gain control method for a signal received by a ground base station.
Background
Compared with an on-orbit satellite system, the existing foundation base station system has the characteristics of flexible layout, settable parameters, strong maneuverability and the like, and is gradually applied to occasions where on-orbit satellites cannot cover and need accurate positioning, such as large warehouses, unmanned factories and the like. Compared with the in-orbit satellite system, the ground base station system cannot adopt an atomic clock used by the in-orbit satellite as a system clock due to low cost, so that the inter-station synchronization precision becomes very important for the ground base station. In order to overcome the synchronization problem, the ground base station needs to receive the self signal and the far-end base station signal at the same time, which causes the received signal to have a very high power dynamic range, the receiving branch is easy to be blocked to paralysis due to too high gain, and the far-end signal cannot be received due to too low gain; as shown in fig. 1, a mode of starting up to send a slave workstation signal is adopted, and a master workstation signal time slot and a slave workstation signal time slot are completely overlapped with a certain probability, so that a receiving branch is blocked and the signal cannot be analyzed. Therefore, a good power control method is crucial for a highly dynamic received signal system such as a ground-based base station.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a gain control method for receiving signals by a ground base station, which avoids channel blockage caused by mismatching of the gains of receiving branches of a work station.
The purpose of the invention is realized by the following technical scheme: a gain control method for receiving signals of a ground base station comprises the steps of receiving signals of a main workstation and sending signals of a slave workstation in a time-staggered mode from the slave workstation.
Preferably, the receiving branch of the slave workstation is adjusted to maximum gain when the master workstation signal is received from the slave workstation.
Preferably, when the slave station signal is transmitted from the station, the receiving branch of the slave station is adjusted to the lowest gain.
Preferably, the slave workstation is silent after being powered on, and the receiving branch of the slave workstation is adjusted to the maximum gain and receives the master workstation signal.
Preferably, the slave workstation receiving the master workstation signal and transmitting the slave workstation signal in time shift comprises:
s1, keeping silent after a slave workstation is started;
s2, adjusting a receiving branch of the slave workstation to be maximum gain, and searching and receiving a master workstation signal sent by the master workstation;
s3, after receiving the signal of the main workstation from the workstation, acquiring the time slot information of the signal of the main workstation;
s4, the slave workstation sends out a slave workstation signal according to self time slot configuration after the master workstation signal is finished, and simultaneously adjusts a receiving branch of the slave workstation to be the lowest gain;
s5, the slave workstation judges whether the signal of the master workstation arrives again, if so, the step S2 is executed.
The invention has the beneficial effects that: the invention receives the signal of the main workstation and sends the signal of the slave workstation by time error, adjusts the receiving branch of the slave workstation to the maximum gain when receiving the signal of the main workstation, and adjusts the receiving branch of the slave workstation to the minimum gain when sending the signal of the slave workstation, thereby avoiding the problems of channel blockage and/or gain loss and the like caused by gain mismatch of the receiving branch of the slave workstation.
Drawings
FIG. 1 is a schematic illustration of the coincidence of a master workstation signal and a slave workstation signal;
FIG. 2 is a schematic illustration of the staggering of master and slave workstation signals;
FIG. 3 is a flow chart illustrating an embodiment of the present invention.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the following embodiments, and it should be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without inventive effort based on the embodiments of the present invention, are within the scope of the present invention.
Referring to fig. 2-3, the present invention provides a method for controlling gain of a signal received by a base station:
a gain control method for receiving signals by a ground base station comprises the steps that a slave workstation receives a master workstation signal and sends a slave workstation signal in a staggered mode, the time slot of the master workstation signal is completely staggered with the time slot of the slave workstation signal, superposition does not exist, and the problem of receiving branch blockage of the slave workstation is solved.
In some embodiments, when the slave workstation receives the master workstation signal, the receiving branch of the slave workstation is adjusted to be the maximum gain so as to search and receive weak master workstation signals in the space and ensure that the slave workstation can receive the master workstation signal every time the master workstation signal arrives; when the slave workstation sends the slave workstation signal, the receiving branch of the slave workstation is adjusted to the lowest gain, and the situation that the receiving branch is blocked due to the fact that the slave workstation signal is too large is avoided.
In some embodiments, the slave workstation is silent after power-on, and the receiving branch of the slave workstation is adjusted to maximum gain and receives the master workstation signal. As shown in fig. 2, the slave workstation is powered on and silent, and the master workstation signal is received first, and the time slot of the master workstation signal is completely staggered from the time slot of the slave workstation, so that no coincidence exists, and the problem of receiving branch blockage of the slave workstation is avoided.
In some embodiments, as shown in FIG. 3, the slave workstation receiving the master workstation signal and transmitting the slave workstation signal in time error includes:
s1, keeping silent after the slave workstation is started.
S2, adjusting a receiving branch of the slave workstation to be maximum gain, and searching and receiving a main workstation signal sent by the main workstation.
And S3, after receiving the signal of the main workstation from the workstation, acquiring the time slot information of the signal of the main workstation.
And S4, the slave workstation sends out a slave workstation signal according to self time slot configuration after the master workstation signal is finished, and simultaneously adjusts a receiving branch of the slave workstation to be the lowest gain.
S5, the slave workstation judges whether the signal of the master workstation arrives again according to the time slot information of the signal of the master workstation, if so, the step S2 is executed; if not, step S5 is executed.
In this embodiment, the slave workstation is silent when being powered on, and receives the master workstation signal and sends the slave workstation signal in a staggered manner, the receiving branch of the slave workstation is adjusted to the maximum gain when receiving the master workstation signal, and the receiving branch of the slave workstation is adjusted to the minimum gain when sending the slave workstation signal, so that the situation that the receiving branch of the slave workstation is blocked due to too large gain is avoided, and the problem that the master workstation signal cannot be received due to too small gain is also avoided.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the invention is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (5)
1. A gain control method for receiving signals by a ground base station is characterized in that a slave workstation receives a master workstation signal and transmits a slave workstation signal in a time-staggered manner.
2. A method as claimed in claim 1, wherein the receiving branch of the slave station is adjusted to maximum gain when the master station signal is received from the slave station.
3. A method as claimed in claim 1, wherein the receiving branch of the slave station is adjusted to the lowest gain when the slave station signal is transmitted from the slave station.
4. The method of claim 1, wherein the slave station is silent after power-on, and the receiving branch of the slave station is adjusted to maximum gain and receives the master station signal.
5. The method of claim 1, wherein the receiving the master station signal and the transmitting the slave station signal from the slave station in time staggered manner comprises:
s1, keeping silent after a slave workstation is started;
s2, adjusting a receiving branch of the slave workstation to be maximum gain, and searching and receiving a master workstation signal sent by the master workstation;
s3, after receiving the signal of the main workstation from the workstation, acquiring the time slot information of the signal of the main workstation;
s4, the slave workstation sends out a slave workstation signal according to self time slot configuration after the master workstation signal is finished, and simultaneously adjusts a receiving branch of the slave workstation to be the lowest gain;
s5, the slave workstation judges whether the signal of the master workstation arrives again, if so, the step S2 is executed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911201025.7A CN111225437A (en) | 2019-11-29 | 2019-11-29 | Gain control method for receiving signal of ground base station |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911201025.7A CN111225437A (en) | 2019-11-29 | 2019-11-29 | Gain control method for receiving signal of ground base station |
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| CN111225437A true CN111225437A (en) | 2020-06-02 |
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| CN201911201025.7A Pending CN111225437A (en) | 2019-11-29 | 2019-11-29 | Gain control method for receiving signal of ground base station |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265512A (en) * | 2009-01-26 | 2011-11-30 | 高通股份有限公司 | Automatic gain control in wireless communication network |
| US20130089011A1 (en) * | 2011-10-11 | 2013-04-11 | Xg Technology, Inc. | Cognitive mobile time division duplex ad-hoc network |
| CN103825568A (en) * | 2010-08-16 | 2014-05-28 | 成都芯源系统有限公司 | Automatic gain control system and method thereof |
| EP2819466A1 (en) * | 2012-02-20 | 2014-12-31 | Panasonic Corporation | Multi-layered wireless communication system |
| CN106330224A (en) * | 2016-08-31 | 2017-01-11 | 华为技术有限公司 | Receiver and wireless communication apparatus |
| CN107645283A (en) * | 2016-07-19 | 2018-01-30 | 炬芯（珠海）科技有限公司 | A kind of auto gain control method and device |
| CN108323241A (en) * | 2018-01-25 | 2018-07-24 | 深圳市为通博科技有限责任公司 | Principal and subordinate's role transforming method, chip and data transmission system |
| CN110099413A (en) * | 2019-05-05 | 2019-08-06 | 深圳市鼎晟开元科技有限公司 | Data transmission method, sending device, reception device and storage medium |
-
2019
- 2019-11-29 CN CN201911201025.7A patent/CN111225437A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102265512A (en) * | 2009-01-26 | 2011-11-30 | 高通股份有限公司 | Automatic gain control in wireless communication network |
| CN103825568A (en) * | 2010-08-16 | 2014-05-28 | 成都芯源系统有限公司 | Automatic gain control system and method thereof |
| US20130089011A1 (en) * | 2011-10-11 | 2013-04-11 | Xg Technology, Inc. | Cognitive mobile time division duplex ad-hoc network |
| EP2819466A1 (en) * | 2012-02-20 | 2014-12-31 | Panasonic Corporation | Multi-layered wireless communication system |
| CN107645283A (en) * | 2016-07-19 | 2018-01-30 | 炬芯（珠海）科技有限公司 | A kind of auto gain control method and device |
| CN106330224A (en) * | 2016-08-31 | 2017-01-11 | 华为技术有限公司 | Receiver and wireless communication apparatus |
| CN108323241A (en) * | 2018-01-25 | 2018-07-24 | 深圳市为通博科技有限责任公司 | Principal and subordinate's role transforming method, chip and data transmission system |
| CN110099413A (en) * | 2019-05-05 | 2019-08-06 | 深圳市鼎晟开元科技有限公司 | Data transmission method, sending device, reception device and storage medium |
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Application publication date: 20200602 |