CN108667503B - Method, device and equipment for improving equipment blocking index - Google Patents
Method, device and equipment for improving equipment blocking index Download PDFInfo
- Publication number
- CN108667503B CN108667503B CN201810355890.6A CN201810355890A CN108667503B CN 108667503 B CN108667503 B CN 108667503B CN 201810355890 A CN201810355890 A CN 201810355890A CN 108667503 B CN108667503 B CN 108667503B
- Authority
- CN
- China
- Prior art keywords
- signal
- band
- bandwidth
- attenuation
- equipment
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/14—Relay systems
- H04B7/15—Active relay systems
- H04B7/155—Ground-based stations
- H04B7/15528—Control of operation parameters of a relay station to exploit the physical medium
- H04B7/15535—Control of relay amplifier gain
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B17/00—Monitoring; Testing
- H04B17/30—Monitoring; Testing of propagation channels
- H04B17/309—Measuring or estimating channel quality parameters
- H04B17/318—Received signal strength
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Quality & Reliability (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Circuits Of Receivers In General (AREA)
Abstract
The invention relates to a method, a device and equipment for improving equipment blocking indexes. The method for improving the equipment blocking index detects the signal intensity of an in-band signal and an out-of-band signal based on the receiving signal bandwidth and the instantaneous working bandwidth of equipment, and performs automatic gain control to obtain an in-band attenuation signal and an attenuation value; the received signal bandwidth and the instantaneous working bandwidth are configured according to the network system; the signal intensity of the out-of-band signal and the signal intensity of the in-band signal are detected under the conditions that the BOM cost is not increased and the normal work of a link is not influenced, so that the working independence of equipment and the flexibility of a system are ensured; amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal; the method can effectively ensure the in-band signal coverage quality, improve the blocking performance of the system and the autonomous management capability of the equipment, and reduce manual intervention.
Description
Technical Field
The present invention relates to the field of wireless communication technologies, and in particular, to a method, an apparatus, and a device for improving a device congestion indicator.
Background
The wireless repeater is a same-frequency amplifying device, which is a device for increasing signals by coupling signals through a donor antenna and then performing frequency selection amplification in the wireless communication transmission process. The digital wireless repeater is used for receiving signals from the space, and the signals in the space are required to be as pure as possible; in a region with dense base stations or signals, the difficulty of separating signals of different base stations or sectors is high, which easily causes interference to a repeater, and a typical situation is that out-of-band signals coupled by an antenna are strong, which causes serious attenuation of the front end of equipment, blocks the power of useful signals, and affects the coverage area. In the traditional sense, the wireless repeater can only improve the direction selectivity of the donor antenna to a certain extent by adjusting the direction selectivity of the donor antenna or add a redundancy design on the hardware link design, and adopt an analog circuit method to perform detection and filtering operations.
In the implementation process, the inventor finds that at least the following problems exist in the conventional technology: the traditional blocking optimization technology adds a redundancy design on a hardware link design, and increases the cost of equipment.
Disclosure of Invention
Therefore, it is necessary to provide a method, an apparatus, and a device for improving a device blocking index, aiming at the problem that the conventional blocking optimization technology adds a redundancy design to a hardware link design and increases the cost of the device.
In order to achieve the above object, in one aspect, an embodiment of the present invention provides a method for improving an equipment congestion indicator, including:
detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of the device and outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal;
performing automatic gain control on the in-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an in-band attenuation signal and an attenuation value;
and amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain the in-band amplification signal.
In one embodiment, the step of amplifying the in-band attenuated signal according to the attenuation value and the pre-stored gain distribution table to obtain the in-band amplified signal comprises:
inquiring a pre-stored gain distribution table according to the attenuation value to obtain a pre-attenuation and post-attenuation value;
and amplifying the in-band attenuation signal based on the pre-attenuation and post-attenuation amplification values to obtain an in-band amplification signal.
In one embodiment, after the step of detecting the signal strength of the out-of-band signal that falls within the received signal bandwidth of the device, outside the instantaneous operating bandwidth, and the signal strength of the in-band signal that falls within the instantaneous operating bandwidth, the method further comprises:
performing automatic gain control on the out-of-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an out-of-band attenuation signal;
filtering out the out-of-band attenuated signal.
In one embodiment, the step of detecting the signal strength of an out-of-band signal that falls within the received signal bandwidth of the device and outside the instantaneous operating bandwidth, and the signal strength of an in-band signal that falls within the instantaneous operating bandwidth comprises:
acquiring out-of-band signals falling within the bandwidth of a received signal and outside the instantaneous working bandwidth and in-band signals falling within the instantaneous working bandwidth in real time;
the signal strength of the out-of-band signal and the signal strength of the in-band signal are detected online.
In one embodiment, the pre-stored gain distribution table is a distribution table with the noise index being optimal and/or the demodulation index being optimal as a standard.
In one embodiment, the step of detecting the signal strength of the out-of-band signal that falls within the received signal bandwidth of the device, outside the instantaneous operating bandwidth, and the signal strength of the in-band signal that falls within the instantaneous operating bandwidth is preceded by the step of:
detecting a network system in real time;
and dynamically configuring the receiving signal bandwidth and the instantaneous working bandwidth of the equipment according to the network system.
In one embodiment, the method further comprises the following steps: and sending the in-band amplified signal to an external receiving device.
On the other hand, an embodiment of the present invention further provides an apparatus for improving an equipment blocking index, including:
a signal detection module for detecting signal strengths of out-of-band signals that fall within a received signal bandwidth of the device and outside of an instantaneous operating bandwidth, and signal strengths of in-band signals that fall within the instantaneous operating bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal;
the signal gain module is used for carrying out automatic gain control on the in-band signal based on the signal intensity of the in-band signal and the signal intensity of the out-of-band signal to obtain an in-band attenuation signal and an attenuation value;
and the signal amplification module is used for amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain the in-band amplification signal.
In one embodiment, an apparatus for improving an apparatus blockage indicator is further provided, including: the device comprises signal detection equipment, signal processing equipment and signal amplification equipment;
the signal detection device is used for detecting the signal strength of an out-of-band signal which falls within the receiving signal bandwidth of the device and outside the instantaneous working bandwidth, and the signal strength of an in-band signal which falls within the instantaneous working bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal;
the signal processing equipment is used for carrying out automatic gain control on the in-band signal based on the signal intensity of the in-band signal and the signal intensity of the out-of-band signal to obtain an in-band attenuation signal and an attenuation value;
the signal amplification equipment is used for amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain the in-band amplification signal.
In one embodiment, a computer storage medium is provided, on which a computer program is stored, which when executed by a processor implements a method of improving a device blockage indicator as described above.
One of the above technical solutions has the following advantages and beneficial effects:
detecting the signal intensity of an in-band signal and an out-of-band signal based on the receiving signal bandwidth and the instantaneous working bandwidth of the equipment, and performing automatic gain control to obtain an in-band attenuation signal and an attenuation value, wherein the receiving signal bandwidth and the instantaneous working bandwidth are configured according to a network system; the method has the advantages that the signal intensity of out-of-band signals and the signal intensity of in-band signals are detected under the conditions that the cost of BOM (Bill of Material) is not increased and the normal work of a link is not influenced, so that the working independence of equipment and the flexibility of a system are ensured; amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal; the optimal attenuation and amplification operation can be carried out on the in-band signal by combining the attenuation value and the pre-stored gain distribution table, the in-band signal coverage quality can be effectively ensured, the blocking performance of the system and the autonomous management capability of the equipment are improved, and the manual intervention is reduced.
Drawings
The foregoing and other objects, features and advantages of the invention will be apparent from the following more particular description of preferred embodiments of the invention, as illustrated in the accompanying drawings. Like reference numerals refer to like parts throughout the drawings, and the drawings are not intended to be drawn to scale in actual dimensions, emphasis instead being placed upon illustrating the principles of the invention.
FIG. 1 is a diagram of an exemplary implementation of a method for increasing a device blockage indicator;
FIG. 2 is a first schematic flow chart diagram illustrating a method for increasing equipment blockage indicators in one embodiment;
FIG. 3 is a second schematic flow chart diagram illustrating a method for increasing equipment blockage indicators in one embodiment;
FIG. 4 is a third schematic flow chart diagram illustrating a method for increasing a device blockage indicator in accordance with one embodiment;
FIG. 5 is a fourth schematic flow chart diagram illustrating a method for increasing a device blockage indicator in accordance with one embodiment;
FIG. 6 is a fifth schematic flow chart diagram illustrating a method for increasing a device blockage indicator in accordance with one embodiment;
FIG. 7 is a sixth schematic flow chart diagram illustrating a method for increasing a device blockage indicator in accordance with one embodiment;
FIG. 8 is a seventh schematic flow chart diagram illustrating a method for increasing a device blockage indicator in accordance with one embodiment;
FIG. 9 is a software defined radio block diagram of a method for increasing a device blockage indicator in one embodiment;
FIG. 10 is a functional block diagram of a frequency selective transformation of a method for increasing a device blockage indicator in an embodiment;
FIG. 11 is a functional block diagram illustrating a pre-fade post-drain method for increasing a device blockage indicator, according to an exemplary embodiment;
FIG. 12 is a flow diagram of digital device pre-attenuation post-release of a method to increase equipment blockage indicators in one embodiment;
FIG. 13 is a block diagram of an apparatus for increasing a device blockage indicator in one embodiment;
FIG. 14 is a diagram showing an internal structure of a computer device in one embodiment;
FIG. 15 is a block diagram of an apparatus for increasing an indication of equipment outage in one embodiment.
Detailed Description
To facilitate an understanding of the invention, the invention will now be described more fully with reference to the accompanying drawings. Preferred embodiments of the present invention are shown in the drawings. This invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used herein, the term "and/or" includes any and all combinations of one or more of the associated listed items.
Referring to fig. 1, fig. 1 is an application environment diagram of a method for improving a device blocking index in an embodiment, a basic principle of a wireless repeater 110 is that a donor antenna receives a downlink signal of a base station 120, an out-of-band signal is isolated by a highly selective duplexer, and then filtered again by a band selector or a channel selector, and then the signal is amplified by a power amplifier and transmitted by a retransmission antenna, and meanwhile, in an uplink path, a signal of a mobile station handset 130 in a coverage area is processed by an uplink amplification link in the same working mode and then transmitted to a corresponding base station 120, so that a communication link between the base station 120 and the mobile station 130 can be realized, and a purpose of extending a coverage area is achieved; the out-of-band large signal possibly existing in the repeater 110 causes the blockage of the repeater front end, so that the situation of front end gain compression is caused, and the situation of signal coverage quality is influenced by the in-band small signal due to the problem of gain compression; the blocking index can mean that after a signal which is beyond the working bandwidth and has higher strength is input, the front-end protection circuit performs signal attenuation, so that the gain of equipment is reduced, the gain of a useful signal is insufficient, the output power of the equipment is influenced, and the coverage quality is further influenced; aiming at the problem, the traditional blocking optimizing technology adopts an analog circuit method to carry out detection and filtering operation by adding a redundancy design on a hardware link design, so that the design greatly increases the cost of equipment, and meanwhile, the detection in the band and the out-of-band is fixed, the configurability is poor, and the problems to be solved still exist in the aspects of cost optimization and flexible design; to this end, embodiments of the present invention provide a method, an apparatus, and a device for improving a device blockage indicator, which can be implemented in an operating environment as shown in fig. 1.
In an embodiment, a method for improving a device blockage indicator is provided, as shown in fig. 2, where fig. 2 is a first schematic flowchart of the method for improving the device blockage indicator in an embodiment, and includes:
step S210, detecting the signal intensity of out-of-band signals falling within the receiving signal bandwidth and outside the instantaneous working bandwidth of the equipment and the signal intensity of in-band signals falling within the instantaneous working bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal.
Specifically, based on a specific application or a network system, detecting a signal in a received signal bandwidth configured by the device; in particular, out-of-band signals that fall within the received signal bandwidth, outside the instantaneous operating bandwidth, and in-band signals that fall within the instantaneous operating bandwidth may be included; and detecting the in-band signal and the out-of-band signal to obtain the signal intensity of the in-band signal and the signal intensity of the out-of-band signal.
It should be noted that the device mentioned in the embodiment of the present invention may refer to a repeater; specifically, the system can include a digital wireless repeater, a Remote Radio Unit (RRU), and the like;
the received signal bandwidth can refer to the sampling work bandwidth of the equipment and can be used for receiving signals by the front end of the equipment; the device front end may refer to a portion from a device antenna port to a device ADC (Analog-to-Digital Converter); the frequency band of the received signal bandwidth can be configured in real time by specific application or network system;
the instantaneous working bandwidth can refer to the corresponding working bandwidth when the equipment is working; the frequency band of the instantaneous working bandwidth can be configured in real time by specific application or network system; in a particular network system, the instantaneous operating bandwidth may include several different frequency bands;
an out-of-band signal may refer to a signal that is within the received signal bandwidth of the device, but outside the instantaneous operating bandwidth of the device; when the signal intensity of the out-of-band signal is high, the front end can be blocked, so that the useful working signal in the instantaneous working bandwidth is subjected to gain compression, and the signal quality of equipment is influenced;
an in-band signal may refer to a signal within the instantaneous operating bandwidth of the device; when the signal intensity of the in-band signal is small, the in-band signal is easily influenced by the out-of-band signal of the signal intensity, so that gain compression is caused, and the signal quality of equipment is influenced;
the network type may refer to a type of a network, and may specifically include a GSM (Global System for Mobile Communication), a CDMA (Code Division Multiple Access), a GPRS (General Packet Radio Service), a TDMA (time Division Multiple Access), a WCDMA (Wideband Code Division Multiple Access), a 3G (3rd-Generation, third Generation Mobile Communication technology), a 4G (4th-Generation, fourth Generation Mobile Communication technology), a 4G +, a 5G (5th-Generation, fifth Generation Mobile Communication technology, and so on, without limitation; different network systems can correspond to different receiving signal bandwidths and instantaneous working bandwidths.
Step S220, performing automatic gain control on the in-band signal based on the signal strength of the out-of-band signal and the signal strength of the in-band signal to obtain an in-band attenuation signal and an attenuation value.
Specifically, according to the detected signal strength of the out-band signal and the detected signal strength of the in-band signal, automatic gain control may be performed on the in-band signal, an in-band attenuation signal may be obtained, and an attenuation value adopted by the automatic gain control may be recorded.
It should be noted that Automatic Gain Control (AGC) can automatically adjust the Gain according to the change of signal strength, and can protect the front end of the device from overflowing under the condition of large out-of-band signal strength; in particular, automatic gain control may be performed at the device front end.
Further, according to the detection situation, when the out-of-band signal strength is lower than the preset strength threshold, the device may not perform automatic gain control, or its attenuation value may be 0; at this point, the congestion optimization mechanism (including the method of increasing the equipment congestion indicator mentioned in the present invention) may not be activated.
The in-band attenuation signal can be a signal obtained by an in-band signal after automatic gain control.
The attenuation value may be a parameter of the adjustment of the gain automatically made with the signal strength; the amplitude or size of the adjustment can be reflected; specifically, the calculation and updating can be performed in real time through digital signal processing.
And step S230, amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal.
Specifically, based on the attenuation value adopted by the automatic gain control, the matching is carried out in a pre-stored gain distribution table, and the proper amplification operation is carried out on the in-band attenuation signal to obtain the in-band amplification signal, so that the coverage quality of the in-band signal can be effectively ensured, and the blocking performance of the system is improved.
It should be noted that, the gain distribution table can be prestored according to the attenuation value of the front end, and the amplification factor can be distributed by an automatic tool; the pre-stored gain distribution table can be adjusted according to actual application and/or network system.
The in-band amplified signal may be derived from an in-band attenuated signal or an in-band signal amplification.
The method comprises the steps of detecting the signal intensity of an in-band signal and an out-of-band signal based on the receiving signal bandwidth and the instantaneous working bandwidth of equipment, and performing automatic gain control to obtain an in-band attenuation signal and an attenuation value, wherein the receiving signal bandwidth and the instantaneous working bandwidth are configured according to a network system; the signal intensity of the out-of-band signal and the signal intensity of the in-band signal are detected under the conditions that the BOM cost is not increased and the normal work of a link is not influenced, so that the working independence of equipment and the flexibility of a system are ensured; amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal; the optimal attenuation and amplification operation can be carried out on the in-band signal by combining the attenuation value and the pre-stored gain distribution table, the in-band signal coverage quality can be effectively ensured, the blocking performance of the system and the autonomous management capability of the equipment are improved, and the manual intervention is reduced.
In an embodiment, as shown in fig. 3, fig. 3 is a second schematic flowchart of a method for increasing a device blockage indicator in an embodiment, and the step of amplifying the in-band attenuated signal according to the attenuation value and the pre-stored gain distribution table to obtain the in-band amplified signal includes:
step S332, inquiring a pre-stored gain distribution table according to the attenuation value to obtain a pre-attenuation and post-attenuation value;
and step S334, amplifying the in-band attenuation signal based on the pre-attenuation and post-attenuation amplification values to obtain an in-band amplification signal.
Specifically, a pre-attenuation and post-amplification value matched with the attenuation value is inquired in a pre-stored gain distribution table, and the in-band attenuation signal or the in-band signal is amplified according to the pre-attenuation and post-amplification value to obtain the in-band amplification signal.
It should be noted that, the pre-stored gain distribution table is queried by the attenuation value to obtain the pre-attenuation and post-amplification value, so as to determine whether to start the blocking optimization mechanism and how to configure the amplification value of the signal; the amplification value can be used for amplifying in-band attenuation signals or in-band signals to obtain in-band amplification signals;
specifically, by means of combining attenuation values of ADC front-end AGC, inquiring a pre-stored gain distribution table and the like, pre-attenuation and post-amplification values of an optimal solution can be configured, namely, front-end attenuation operation is carried out on out-of-band signals, and post-end amplification operation is carried out on in-band signals, so that in-band signal coverage quality is effectively guaranteed, the blocking performance of a system is improved, the autonomous management capability of equipment is improved, and manual intervention is reduced.
In one embodiment, as shown in fig. 4, fig. 4 is a third schematic flow chart of a method for improving a device blockage indicator in one embodiment, and after the step of detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of the device and outside of an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth, the method further comprises:
step S422, based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal, performing automatic gain control on the out-of-band signal to obtain an out-of-band attenuation signal;
step S424, filter out the out-of-band attenuation signal.
Specifically, according to the signal intensity of the detected out-band signal and the signal intensity of the in-band signal, automatic gain control can be performed on the out-band signal to obtain an in-band attenuation signal; and filtering out the out-of-band attenuation signals outside the instantaneous working bandwidth through filtering operation, so as to realize the filtering out of-band signals.
In one embodiment, as shown in fig. 5, fig. 5 is a fourth schematic flow chart of a method for increasing a device blockage indicator in one embodiment, the step of detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of a device and outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth includes:
step S512, acquiring out-of-band signals falling in the bandwidth of the received signal and outside the instantaneous working bandwidth in real time, and in-band signals falling in the instantaneous working bandwidth;
step S514, detecting the signal strength of the out-of-band signal and the signal strength of the in-band signal on line.
Specifically, the device may acquire and online detect the out-of-band signal and the in-band signal in real time, and obtain the signal strength of the out-of-band signal and the signal strength of the in-band signal.
It should be noted that, when an out-band signal and/or an in-band signal is obtained, real-time online detection can be performed on the signal to obtain the signal intensity;
the method can be used for acquiring signals in real time and detecting the signals on line in real time, and can ensure real-time optimization of the blocking indexes under the conditions of not increasing BOM cost and not influencing link work.
In one embodiment, the pre-stored gain allocation table is an allocation table based on the noise index optimization and/or the demodulation index optimization.
Specifically, the pre-stored gain distribution table may be a distribution table with the optimal noise index as a standard; or, the pre-stored gain distribution table can be a distribution table taking the optimal demodulation index as a standard; or, the pre-stored gain distribution table may be a distribution table with the noise index being optimal and the demodulation index being optimal as the standard.
In one embodiment, as shown in fig. 6, fig. 6 is a fifth schematic flow chart of a method for increasing a device blockage indicator in one embodiment, before the step of detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of a device and outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth, further comprising:
step S602, detecting a network type in real time;
step S604, according to the network system, dynamically configuring the receiving signal bandwidth and the instantaneous working bandwidth of the equipment.
Specifically, the receiving signal bandwidth and the instantaneous working bandwidth of the equipment can be dynamically changed in real time by detecting specific applications or network systems in real time, and the working independence of the equipment and the flexibility of a system are ensured.
It should be noted that, the change of the receiving signal bandwidth and the instantaneous operating bandwidth can be realized directly by a software configuration method without changing hardware.
In an embodiment, as shown in fig. 7, fig. 7 is a sixth schematic flowchart of a method for increasing a device blockage indicator in an embodiment, further including the steps of:
step S740, transmitting the in-band amplified signal to an external receiving device.
Specifically, the in-band amplified signal obtained by the device amplification is propagated and sent to an external receiving device, such as a mobile station handset, a smart terminal, and the like.
In an embodiment, as shown in fig. 8, fig. 8 is a seventh schematic flowchart of a method for increasing a device blocking index in an embodiment, and the architecture thereof may be as shown in fig. 9, fig. 9 is a software radio schematic block diagram of the method for increasing a device blocking index in an embodiment, a front-end radio frequency analog Signal can be converted into a Digital Signal for real-time Digital Signal Processing through high-speed broadband ADC sampling by a basic software radio design, and simultaneously, a frequency-selective instantaneous operating bandwidth of an FPGA (Field Programmable Gate Array) or a DSP (Digital Signal Processing) can be changed by a simple software configuration without changing a hardware design. In a digital system, a state description of a possible blockage caused by a strong signal (including an out-of-band signal) outside an instantaneous operating bandwidth in an occurring received signal bandwidth is detected in real time, the blockage signal (including the out-of-band signal) outside the instantaneous operating bandwidth is directly identified through power judgment before and after baseband frequency selection, and a frequency spectrum selection transformation of the blockage signal is shown in fig. 10, wherein fig. 10 is a schematic block diagram of a frequency selection transformation of a method for improving a device blockage index in one embodiment.
The principle of pre-attenuation and post-amplification can be shown in fig. 11, where fig. 11 is a block diagram of the pre-attenuation and post-amplification principle of a method for improving a device blocking index in an embodiment, where RX _ Gain is a variable Gain at an RX end; the Gain _ table may be a pre-stored Gain allocation table; GI may be a gain variation in the digital domain; a DAC (Digital to analog converter) may convert a Digital signal into an analog signal. For the attenuation and GI post-amplification operation of the front end of the agc (Analog-to-Digital Automatic Gain Control), the optimal attenuation value and amplification value are obtained to ensure the state description of the system performance.
In the digital system, for an out-of-band blocking signal, query operation is performed after combining with an attenuation value of the front end of the ADAGC to obtain an optimal front attenuation value and an optimal rear attenuation value, and a description of a state of performing front attenuation and rear amplification operation is shown in fig. 12, where fig. 12 is a flow chart of a digital apparatus front attenuation and rear amplification of a method for increasing an equipment blocking index in an embodiment; in the graph, the horizontal axis of the coordinate axis represents frequency, and the vertical axis represents amplitude information to form an amplitude-frequency coordinate; the black curve in the coordinates is the ADC sampling bandwidth (belonging to the received signal bandwidth), and the dashed curves represent the three bandwidths of instantaneous operation (all belonging to the instantaneous operating bandwidth); the black arrowed bold lines indicate signal magnitude and the high black arrowed bold lines indicate strong signals outside the instantaneous operating bandwidth (belonging to out-of-band signals). The process of 1 to 2 may represent a spectral selection transform, and detection of out-of-band signals, in-band signals; the process of 2 to 3 may represent automatic gain control, where 3-1, 3-2, 3-3 represent three bandwidths of instantaneous operation, respectively; the process of 3 to 4 may indicate that the instantaneous operating bandwidth out-of-band strong signal is filtered out by the filtering operation while the in-band signal is amplified.
The in-band and out-of-band signals received by the equipment can be detected on line in real time, the attenuation value of an AGC (automatic gain control) link at the front end of the ADC is combined, the in-band small signals are amplified appropriately, meanwhile, the digital design of software radio is adopted, the instantaneous working bandwidth can be changed and the out-of-band bandwidth signals can be detected dynamically in real time through software configuration, and the flexibility of the system is greatly improved. The detection mechanism and the front-fading and back-fading mechanism comprise the following steps: (1) receiving signal bandwidth and equipment instantaneous working bandwidth information of a corresponding device configured according to the specific application and the digital design of the software radio; (2) the AD-AGC detects the signal intensity in the bandwidth of the received signal of the corresponding equipment received by the digital front end in real time, performs automatic gain control, and records the attenuation state (including the attenuation value) of the AD-AGC; (3) after the detection of the step (1) and the step (2) is finished, inquiring a pre-stored gain distribution table according to the recorded AD-AGC attenuation state, and configuring a pre-attenuation and post-amplification value with optimal performance; (4) and (5) returning to the step (1) to carry out real-time detection and setting, and ensuring that the congestion index is optimized in real time.
Detecting the signal intensity of an in-band signal and an out-of-band signal based on the receiving signal bandwidth and the instantaneous working bandwidth of the equipment, and performing automatic gain control to obtain an in-band attenuation signal and an attenuation value, wherein the receiving signal bandwidth and the instantaneous working bandwidth are configured according to a network system; the signal intensity of the out-of-band signal and the signal intensity of the in-band signal are detected under the conditions that the BOM cost is not increased and the normal work of a link is not influenced, so that the working independence of equipment and the flexibility of a system are ensured; amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal; by combining the attenuation value and the pre-stored gain distribution table, the optimal attenuation and amplification operation can be carried out on the in-band signal, the in-band signal coverage quality can be effectively ensured, the blocking performance of the system and the autonomous management capability of the equipment are improved, and the manual intervention is reduced;
the method dynamically changes the receiving signal bandwidth of the equipment and the instantaneous working bandwidth of the equipment in real time, detects the intensity of an out-of-band signal in the receiving signal bandwidth and the intensity of an in-band signal in the instantaneous working bandwidth of the equipment on line under the conditions of not increasing BOM cost and not influencing normal work of a link, and can ensure the working independence of the equipment and the flexibility of a system. By means of combining a front-end attenuation value, inquiring a pre-stored gain distribution table and the like, the front-end attenuation and rear-end amplification values of an optimal solution can be configured, front-end attenuation operation is carried out on out-of-band signals, rear-end amplification operation is carried out on in-band signals, the in-band signal coverage quality is effectively guaranteed, the blocking performance of a system is improved, the autonomous management capability of equipment is improved, and manual intervention is reduced.
It should be understood that although the various steps in the flow charts of fig. 2-8 are shown in order as indicated by the arrows, the steps are not necessarily performed in order as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least some of the steps in fig. 2-8 may include multiple sub-steps or multiple stages that are not necessarily performed at the same time, but may be performed at different times, and the order of performance of the sub-steps or stages is not necessarily sequential, but may be performed in turn or alternating with other steps or at least some of the sub-steps or stages of other steps.
On the other hand, as shown in fig. 13, fig. 13 is a block diagram of a structure of an apparatus for improving an equipment blocking indicator in an embodiment, and an embodiment of the present invention further provides an apparatus for improving an equipment blocking indicator, including:
a signal detection module 810 for detecting the signal strength of an out-of-band signal that falls within the received signal bandwidth of the device, outside the instantaneous operating bandwidth, and the signal strength of an in-band signal that falls within the instantaneous operating bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal;
a signal gain module 820, configured to perform automatic gain control on the in-band signal based on the signal strength of the in-band signal and the signal strength of the out-of-band signal, so as to obtain an in-band attenuation signal and an attenuation value;
and the signal amplifying module 830 is configured to amplify the in-band attenuated signal according to the attenuation value and a pre-stored gain distribution table to obtain an in-band amplified signal.
In one embodiment, the signal amplification module comprises:
the front attenuation and rear amplification inquiring unit is used for inquiring a pre-stored gain distribution table according to the attenuation value to obtain a front attenuation and rear amplification value;
and the in-band attenuation signal amplification unit is used for amplifying the in-band attenuation signal based on the pre-attenuation and post-attenuation amplification values to obtain an in-band amplification signal.
In one embodiment, further comprising:
the out-of-band signal attenuation module is used for carrying out automatic gain control on the out-of-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an out-of-band attenuation signal;
and the out-of-band signal filtering module is used for filtering out the out-of-band attenuation signal.
In one embodiment, the signal detection module comprises:
the signal real-time acquisition unit is used for acquiring out-of-band signals which fall within the bandwidth of the received signal and outside the instantaneous working bandwidth and in-band signals which fall within the instantaneous working bandwidth in real time;
and the signal real-time monitoring unit is used for detecting the signal intensity of the out-of-band signal and the signal intensity of the in-band signal on line.
In one embodiment, the pre-stored gain allocation table is an allocation table based on the noise index optimization and/or the demodulation index optimization.
In one embodiment, further comprising: the network system detection module is used for detecting the network system in real time;
and the bandwidth configuration module is used for dynamically configuring the receiving signal bandwidth and the instantaneous working bandwidth of the equipment according to the network system.
In one embodiment, further comprising: and the in-band signal sending module is used for sending the in-band amplified signal to external receiving equipment.
For the specific definition of the apparatus for increasing the device blockage indicator, reference may be made to the above definition of the method for increasing the device blockage indicator, which is not described herein again. All or part of each module in the device blockage indicator improving device can be realized by software, hardware and a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, a computer device is provided, the computer device may be a server, the internal structure of which may be as shown in fig. 14, fig. 14 is an internal structure of the computer device in one embodiment. The computer device includes a processor, a memory, a network interface, and a database connected by a system bus. Wherein the processor of the computer device is configured to provide computing and control capabilities. The memory of the computer device comprises a nonvolatile storage medium and an internal memory. The non-volatile storage medium stores an operating system, a computer program, and a database. The internal memory provides an environment for the operation of an operating system and computer programs in the non-volatile storage medium. The database of the computer equipment is used for storing data such as a pre-stored gain distribution table, a network system and the like. The network interface of the computer device is used for communicating with an external terminal through a network connection. The computer program is executed by a processor to implement a method of improving a device blockage indicator.
Those skilled in the art will appreciate that the architecture shown in fig. 14 is merely a block diagram of some of the structures associated with the disclosed aspects and is not intended to limit the computing devices to which the disclosed aspects apply, as particular computing devices may include more or less components than those shown, or may combine certain components, or have a different arrangement of components.
In an embodiment, based on the computer device, an apparatus for increasing an apparatus blockage indicator may be provided, as shown in fig. 15, where fig. 15 is a schematic structural diagram of the apparatus for increasing an apparatus blockage indicator in an embodiment, and includes: a signal detection device 910, a signal processing device 920, a signal amplification device 930;
the signal detection device is used for detecting the signal strength of an out-of-band signal which falls within the receiving signal bandwidth of the device and outside the instantaneous working bandwidth, and the signal strength of an in-band signal which falls within the instantaneous working bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal;
the signal processing equipment is used for carrying out automatic gain control on the in-band signal based on the signal intensity of the in-band signal and the signal intensity of the out-of-band signal to obtain an in-band attenuation signal and an attenuation value;
the signal amplification equipment is used for amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain the in-band amplification signal.
In one embodiment, the signal amplifying device is further configured to query a pre-stored gain distribution table according to the attenuation value to obtain a pre-attenuation and post-amplification value; and amplifying the in-band attenuation signal based on the pre-attenuation and post-attenuation amplification values to obtain an in-band amplification signal.
In one embodiment, the signal processing device is further configured to perform automatic gain control on the out-of-band signal based on the signal strength of the out-of-band signal and the signal strength of the in-band signal to obtain an out-of-band attenuated signal; filtering out the out-of-band attenuated signal.
In one embodiment, the signal processing device is further configured to obtain, in real-time, an out-of-band signal that falls within the received signal bandwidth, outside the instantaneous operating bandwidth, and an in-band signal that falls within the instantaneous operating bandwidth; the signal strength of the out-of-band signal and the signal strength of the in-band signal are detected online.
In one embodiment, the pre-stored gain allocation table is an allocation table based on the noise index optimization and/or the demodulation index optimization.
In one embodiment, further comprising: a bandwidth configuration device 940 for detecting a network type in real time; and dynamically configuring the receiving signal bandwidth and the instantaneous working bandwidth of the equipment according to the network system.
In one embodiment, further comprising: an in-band signal transmitting device 950 for transmitting the in-band amplified signal to an external receiving device.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of the device and outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth; the received signal bandwidth is configured according to the network system; the instantaneous working bandwidth is the bandwidth which is configured according to the network system and falls into the bandwidth of the received signal;
performing automatic gain control on the in-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an in-band attenuation signal and an attenuation value;
and amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain the in-band amplification signal.
In one embodiment, the computer program when executed by the processor performs the step of amplifying the in-band attenuated signal based on the attenuation value and the pre-stored gain allocation table to obtain an in-band amplified signal further performs the steps of:
inquiring a pre-stored gain distribution table according to the attenuation value to obtain a pre-attenuation and post-attenuation value;
and amplifying the in-band attenuation signal based on the pre-attenuation and post-attenuation amplification values to obtain an in-band amplification signal.
In one embodiment, the computer program, after being executed by the processor to perform the steps of detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of the device, outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth, further implements the steps of:
performing automatic gain control on the out-of-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an out-of-band attenuation signal;
filtering out the out-of-band attenuated signal.
In one embodiment, the computer program when executed by the processor performs the steps of detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of the device, outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth, further implementing the steps of:
acquiring out-of-band signals falling within the bandwidth of a received signal and outside the instantaneous working bandwidth and in-band signals falling within the instantaneous working bandwidth in real time;
the signal strength of the out-of-band signal and the signal strength of the in-band signal are detected online.
In one embodiment, the computer program when executed by the processor: the pre-stored gain distribution table is a distribution table which takes the noise index optimization and/or the demodulation index optimization as the standard.
In one embodiment, the computer program further implements the following steps prior to the step of detecting by the processor the signal strength of an out-of-band signal that falls within the received signal bandwidth of the device, outside the instantaneous operating bandwidth, and the signal strength of an in-band signal that falls within the instantaneous operating bandwidth:
detecting a network system in real time;
and dynamically configuring the receiving signal bandwidth and the instantaneous working bandwidth of the equipment according to the network system.
In one embodiment, the computer program when executed by the processor further performs the steps of: and sending the in-band amplified signal to an external receiving device.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, storage, database, or other medium used in the embodiments provided herein may include non-volatile and/or volatile memory, among others. Non-volatile memory can include read-only memory (ROM), Programmable ROM (PROM), Electrically Programmable ROM (EPROM), Electrically Erasable Programmable ROM (EEPROM), or flash memory. Volatile memory can include Random Access Memory (RAM) or external cache memory. By way of illustration and not limitation, RAM is available in a variety of forms such as Static RAM (SRAM), Dynamic RAM (DRAM), Synchronous DRAM (SDRAM), Double Data Rate SDRAM (DDRSDRAM), Enhanced SDRAM (ESDRAM), Synchronous Link DRAM (SLDRAM), Rambus Direct RAM (RDRAM), direct bus dynamic RAM (DRDRAM), and memory bus dynamic RAM (RDRAM).
The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present patent shall be subject to the appended claims.
Claims (10)
1. A method for increasing equipment blockage indicators, comprising:
detecting a signal strength of an out-of-band signal that falls within a received signal bandwidth of a device and outside an instantaneous operating bandwidth, and a signal strength of an in-band signal that falls within the instantaneous operating bandwidth; the receiving signal bandwidth is configured according to a network system; the instantaneous working bandwidth is a bandwidth which is configured according to the network system and falls into the bandwidth of the received signal; the instantaneous working bandwidth refers to the corresponding working bandwidth when the equipment works;
performing automatic gain control on the in-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an in-band attenuation signal and an attenuation value; the attenuation value is an attenuation value adopted by automatic gain control;
and amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal.
2. The method of claim 1, wherein the step of amplifying the in-band attenuated signal according to the attenuation value and a pre-stored gain distribution table to obtain an in-band amplified signal comprises:
inquiring the pre-stored gain distribution table according to the attenuation value to obtain a pre-attenuation and post-amplification value;
and amplifying the in-band attenuation signal based on the pre-attenuation and post-attenuation amplification values to obtain the in-band amplification signal.
3. The method of improving a device blockage indicator according to claim 1, wherein the step of detecting the signal strength of an out-of-band signal that falls within a received signal bandwidth of a device and outside of an instantaneous operating bandwidth, and the signal strength of an in-band signal that falls within the instantaneous operating bandwidth is followed by the step of:
performing automatic gain control on the out-of-band signal based on the signal intensity of the out-of-band signal and the signal intensity of the in-band signal to obtain an out-of-band attenuation signal;
and filtering the out-of-band attenuation signal.
4. The method of improving a device blockage indicator according to claim 1, wherein the step of detecting the signal strength of an out-of-band signal that falls within a received signal bandwidth of a device and outside of an instantaneous operating bandwidth, and the signal strength of an in-band signal that falls within the instantaneous operating bandwidth comprises:
acquiring in real time out-of-band signals within the received signal bandwidth and outside the instantaneous operating bandwidth, and in-band signals within the instantaneous operating bandwidth;
and detecting the signal intensity of the out-of-band signal and the signal intensity of the in-band signal on line.
5. The method for improving the equipment blockage indicator according to any one of claims 1 to 4, wherein the pre-stored gain distribution table is a distribution table with the optimal noise indicator and/or the optimal demodulation indicator as a standard.
6. The method of any one of claims 1 to 4, wherein the step of detecting the signal strength of the out-of-band signal that falls within the received signal bandwidth of the device and outside the instantaneous operating bandwidth, and the signal strength of the in-band signal that falls within the instantaneous operating bandwidth is preceded by the step of:
detecting the network system in real time;
and dynamically configuring the received signal bandwidth and the instantaneous working bandwidth of the equipment according to the network standard.
7. The method of increasing an equipment blockage indicator according to any one of claims 1 to 4, further comprising:
and sending the in-band amplified signal to an external receiving device.
8. An apparatus for improving equipment blockage indicators, comprising:
a signal detection module for detecting signal strengths of out-of-band signals that fall within a received signal bandwidth of a device and outside an instantaneous operating bandwidth, and signal strengths of in-band signals that fall within the instantaneous operating bandwidth; the receiving signal bandwidth is configured according to a network system; the instantaneous working bandwidth is a bandwidth which is configured according to the network system and falls into the bandwidth of the received signal; the instantaneous working bandwidth refers to the corresponding working bandwidth when the equipment works;
the signal gain module is used for carrying out automatic gain control on the in-band signal based on the signal intensity of the in-band signal and the signal intensity of the out-of-band signal to obtain an in-band attenuation signal and an attenuation value; the attenuation value is an attenuation value adopted by automatic gain control;
and the signal amplification module is used for amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal.
9. An apparatus for improving an equipment blockage indicator, comprising: the device comprises signal detection equipment, signal processing equipment and signal amplification equipment;
the signal detection device is used for detecting the signal strength of an out-of-band signal which falls within the receiving signal bandwidth of the device and outside the instantaneous working bandwidth, and the signal strength of an in-band signal which falls within the instantaneous working bandwidth; the receiving signal bandwidth is configured according to a network system; the instantaneous working bandwidth is a bandwidth which is configured according to the network system and falls into the bandwidth of the received signal; the instantaneous working bandwidth refers to the corresponding working bandwidth when the equipment works;
the signal processing equipment is used for carrying out automatic gain control on the in-band signal based on the signal intensity of the in-band signal and the signal intensity of the out-of-band signal to obtain an in-band attenuation signal and an attenuation value; the attenuation value is an attenuation value adopted by automatic gain control;
and the signal amplification equipment is used for amplifying the in-band attenuation signal according to the attenuation value and a prestored gain distribution table to obtain an in-band amplification signal.
10. A computer storage medium, on which a computer program is stored which, when being executed by a processor, carries out a method of increasing a device blockage indicator as set forth in any one of claims 1 to 7.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355890.6A CN108667503B (en) | 2018-04-19 | 2018-04-19 | Method, device and equipment for improving equipment blocking index |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810355890.6A CN108667503B (en) | 2018-04-19 | 2018-04-19 | Method, device and equipment for improving equipment blocking index |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108667503A CN108667503A (en) | 2018-10-16 |
| CN108667503B true CN108667503B (en) | 2021-06-22 |
Family
ID=63780725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810355890.6A Active CN108667503B (en) | 2018-04-19 | 2018-04-19 | Method, device and equipment for improving equipment blocking index |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108667503B (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP1063825A2 (en) * | 1999-06-17 | 2000-12-27 | Itelco - S.p.A. | Predistortion system for linearising power amplifiers |
| CN101277121A (en) * | 2008-05-22 | 2008-10-01 | 高拓讯达（北京）科技有限公司 | Low-power consumption receiver capable of dynamically detecting barrage jamming signal |
| CN101399558A (en) * | 2007-09-28 | 2009-04-01 | 夏普株式会社 | Digital demodulating apparatus, digital receiver and controlling method of the apparatus |
| CA2348283C (en) * | 1998-11-03 | 2010-02-02 | Ibiquity Digital Corporation | Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system |
| CN101692614A (en) * | 2009-09-29 | 2010-04-07 | 中兴通讯股份有限公司 | Receiver and method for reducing obstructive interferences |
| WO2011151216A1 (en) * | 2010-05-31 | 2011-12-08 | St-Ericsson Sa | Detecting interference in wireless receiver |
| CN102655417A (en) * | 2012-04-20 | 2012-09-05 | 华为技术有限公司 | Wireless local area network (WLAN) equipment and method for suppressing interference of wireless local area network equipment |
| CN202495912U (en) * | 2012-03-22 | 2012-10-17 | 京信通信系统（中国）有限公司 | Power amplifier device based on feedforward technology |
| CN103068029A (en) * | 2013-01-10 | 2013-04-24 | 三维通信股份有限公司 | Repeater (RPT) receiver device capable of effectively confronting signal rapid fading and large-signal blocking |
| CN106877892A (en) * | 2017-02-16 | 2017-06-20 | 海能达通信股份有限公司 | A kind of anti-interference reception circuit structure, method and apparatus |
| CN106888029A (en) * | 2017-01-18 | 2017-06-23 | 锐迪科微电子（上海）有限公司 | A kind of receiver for omitting piece outer filter |
-
2018
- 2018-04-19 CN CN201810355890.6A patent/CN108667503B/en active Active
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA2348283C (en) * | 1998-11-03 | 2010-02-02 | Ibiquity Digital Corporation | Method and apparatus for reduction of fm interference for fm in-band on-channel digital audio broadcasting system |
| EP1063825A2 (en) * | 1999-06-17 | 2000-12-27 | Itelco - S.p.A. | Predistortion system for linearising power amplifiers |
| CN101399558A (en) * | 2007-09-28 | 2009-04-01 | 夏普株式会社 | Digital demodulating apparatus, digital receiver and controlling method of the apparatus |
| CN101277121A (en) * | 2008-05-22 | 2008-10-01 | 高拓讯达（北京）科技有限公司 | Low-power consumption receiver capable of dynamically detecting barrage jamming signal |
| CN101692614A (en) * | 2009-09-29 | 2010-04-07 | 中兴通讯股份有限公司 | Receiver and method for reducing obstructive interferences |
| WO2011151216A1 (en) * | 2010-05-31 | 2011-12-08 | St-Ericsson Sa | Detecting interference in wireless receiver |
| CN202495912U (en) * | 2012-03-22 | 2012-10-17 | 京信通信系统（中国）有限公司 | Power amplifier device based on feedforward technology |
| CN102655417A (en) * | 2012-04-20 | 2012-09-05 | 华为技术有限公司 | Wireless local area network (WLAN) equipment and method for suppressing interference of wireless local area network equipment |
| CN103068029A (en) * | 2013-01-10 | 2013-04-24 | 三维通信股份有限公司 | Repeater (RPT) receiver device capable of effectively confronting signal rapid fading and large-signal blocking |
| CN106888029A (en) * | 2017-01-18 | 2017-06-23 | 锐迪科微电子（上海）有限公司 | A kind of receiver for omitting piece outer filter |
| CN106877892A (en) * | 2017-02-16 | 2017-06-20 | 海能达通信股份有限公司 | A kind of anti-interference reception circuit structure, method and apparatus |
Non-Patent Citations (2)
| Title |
|---|
| Considerations on In-Band and Out-of-Band Signalling Constraints in OBS Networks;Antonio Pantaleo 等;《 2007 9th International Conference on Transparent Optical Networks》;20070827;全文 * |
| TS36.106 v0.1.0_ch-marks;tsg_ran;《3gppftp》;20080610;全文 * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108667503A (en) | 2018-10-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20230396225A1 (en) | Multiple-Port Signal Boosters | |
| US10225845B2 (en) | Channelization for signal boosters | |
| US9444543B2 (en) | Multiple-port signal boosters | |
| CN105610453A (en) | High-gain narrowband radio frequency receiver | |
| CN111163023B (en) | Self-excitation eliminating device, isolation degree detection method, access unit and system | |
| US11463124B2 (en) | Full-time duplex system, full-time duplex circuit, and control method | |
| WO2019127859A1 (en) | Remote unit of distributed antenna system supporting full frequency band and implementation method therefor | |
| EP3193543B1 (en) | Signal gain control method and device and storage medium | |
| CN104184424B (en) | Broadband multi-band power-magnifying method and device | |
| CN111148183B (en) | Multi-system networking method, system, equipment and storage medium | |
| WO2013170622A1 (en) | Radio-frequency signal control method and device | |
| CN107623544B (en) | Intelligent repeater and communication method based on same | |
| CN109769267B (en) | Processing method for reducing co-channel interference and mobile terminal | |
| CN104378138B (en) | A kind of method, device and multi-mode and multi-standby communication terminal for suppressing radio frequency mutual interference | |
| CN108667503B (en) | Method, device and equipment for improving equipment blocking index | |
| CN109286407B (en) | Interference signal suppression device and method for suppressing strong interference signal | |
| CN108075846B (en) | Base station interference detection method and device | |
| CN111162808A (en) | Radio frequency receiving circuit, receiver and base station | |
| WO2020113928A1 (en) | Apparatus and method for adaptively cancelling passive intermodulation signals | |
| CN101742631B (en) | Repeater for solving covering of moving body and control method thereof | |
| CN107148075B (en) | Power adjustment method and device | |
| CN210693907U (en) | Radio frequency receiving circuit, receiver and base station | |
| US10461839B2 (en) | Digital repeater system | |
| KR101514985B1 (en) | Energy dispersion consuming type hybrid radio communications repeater | |
| US20190068154A1 (en) | Multiple-port signal boosters |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20200108 Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Applicant after: Jingxin Communication System (China) Co., Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Applicant before: Jingxin Communication System (China) Co., Ltd. Applicant before: Jingxin Communication System (Guangzhou) Co., Ltd. Applicant before: Jingxin Communication Technology (Guangzhou) Co., Ltd. Applicant before: TIANJIN COMBA TELECOM SYSTEMS CO., LTD. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee after: Jingxin Network System Co.,Ltd. Address before: 510663 Shenzhou Road 10, Guangzhou Science City, Guangzhou economic and Technological Development Zone, Guangzhou, Guangdong Patentee before: Comba Telecom System (China) Ltd. |
|
| CP01 | Change in the name or title of a patent holder |