CN107484237A - A kind of unbalanced Adaptable System of uplink downlink and its method - Google Patents
A kind of unbalanced Adaptable System of uplink downlink and its method Download PDFInfo
- Publication number
- CN107484237A CN107484237A CN201710917923.7A CN201710917923A CN107484237A CN 107484237 A CN107484237 A CN 107484237A CN 201710917923 A CN201710917923 A CN 201710917923A CN 107484237 A CN107484237 A CN 107484237A
- Authority
- CN
- China
- Prior art keywords
- receiving
- module
- transmission
- base station
- transmission module
- 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.)
- Granted
Links
- 238000000034 method Methods 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims abstract description 88
- 238000012545 processing Methods 0.000 claims abstract description 27
- 238000004891 communication Methods 0.000 claims abstract description 10
- 230000003044 adaptive effect Effects 0.000 claims description 12
- 230000007423 decrease Effects 0.000 claims description 12
- 238000013459 approach Methods 0.000 claims description 11
- 238000004364 calculation method Methods 0.000 claims description 9
- 238000012546 transfer Methods 0.000 claims description 8
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 230000009286 beneficial effect Effects 0.000 claims description 4
- 238000005516 engineering process Methods 0.000 abstract description 5
- 230000006872 improvement Effects 0.000 abstract description 3
- 230000003321 amplification Effects 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 5
- 238000003199 nucleic acid amplification method Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000008054 signal transmission Effects 0.000 description 1
Classifications
-
- 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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/143—Downlink power control
-
- 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
- H04W52/06—TPC algorithms
- H04W52/14—Separate analysis of uplink or downlink
- H04W52/146—Uplink power control
-
- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/242—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account path loss
-
- 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
- H04W52/18—TPC being performed according to specific parameters
- H04W52/24—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters
- H04W52/243—TPC being performed according to specific parameters using SIR [Signal to Interference Ratio] or other wireless path parameters taking into account interferences
-
- 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
- H04W52/52—TPC using AGC [Automatic Gain Control] circuits or amplifiers
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The present invention relates to wireless communication technology field, more particularly to a kind of unbalanced Adaptable System of uplink downlink and its method, wireless digital trunking including carrying out transmission of wireless signals with base station and terminal respectively by antenna, the wireless digital trunking, the RF receiving and transmission module one (11) of transmission of wireless signals is carried out with base station (1), the RF receiving and transmission module two (21) of transmission of wireless signals is carried out with terminal (2), the signal of signal and RF receiving and transmission module two (21) transmitting-receiving for RF receiving and transmission module one (11) to be received and dispatched is judged, and FPGA processing module (3) of the collocating uplink transmission channel to designated terminal, and modulation /demodulation module (4).The present invention solves the up-downgoing imbalance problem under wide covering and depth covering scene, avoids because single-pass caused by up-downgoing imbalance, call drop, frequent switching, and during paging subscriber absent such issues that.Improvement user that can be relatively good perceives, and reduces and complains.
Description
Technical field
The present invention relates to wireless communication technology field, and in particular to a kind of unbalanced Adaptable System of uplink downlink and
Its method.
Background technology
Because wireless signal is decayed with the increase of propagation distance, and in different environments, building or
Plant etc. is blocked, and is reflected, and refraction, absorption also results in the rapid decline of wireless signal in some scenarios, therefore is extensively covering
The cell edge of cover area or indoor depth overlay area can cause signal intensity insufficient, the situation of user's communication performance difference.
In GSM (Global System for Mobile Communications, global system for mobile communications), UMTS
(Universal Mobile Telecommunications System, UMTS) and LTE (Long Term
Evolution, Long Term Evolution) in FDD (Frequency Division Duplex, FDD) system, upward signal and under
Row signal uses different frequencies respectively, employs the pattern of FDD.Different frequency ranges may during space radiation
Can be by different degrees of decline, particularly under the scene of wide covering and depth covering, downstream signal and upward signal decline
Stamping die type has larger difference in some regions and period.
The content of the invention
It is an object of the invention to provide a kind of unbalanced Adaptable System of uplink downlink and its method, solves existing
There is in technology wireless signal because of the environment of coverage, different decay occur, the problem of causing uplink downlink to be difficult to balance.
To solve above-mentioned technical problem, the present invention uses following technical scheme：
A kind of unbalanced Adaptable System of uplink downlink, including carried out wirelessly with base station and terminal respectively by antenna
The wireless digital trunking of signal transmission, the wireless digital trunking include：
The RF receiving and transmission module one of transmission of wireless signals is carried out with base station,
The RF receiving and transmission module two of transmission of wireless signals is carried out with terminal,
The signal received and dispatched for the signal and RF receiving and transmission module two of receiving and dispatching RF receiving and transmission module one is judged, and is matched somebody with somebody
FPGA processing module of the up transmission channel to designated terminal is put,
For demodulating uplink and downlink signals, obtain the physical layer information of uplink and downlink signals, and by physical layer information transmit to
The modulation /demodulation module of FPGA processing modules；
Wherein described RF receiving and transmission module one is carried out wirelessly with base station after passing sequentially through duplexer filter one and antenna one
Transmission, the RF receiving and transmission module two is to be wirelessly transferred after passing sequentially through duplexer filter two and antenna two with terminal
, the up-link wherein between duplexer filter one and RF receiving and transmission module one is serially connected with amplifier, RF receiving and transmission module two
Amplifier is serially connected with the downlink of RF receiving and transmission module two.
A kind of unbalanced adaptive approach of uplink downlink, comprises the following steps：
Configuration configures wireless digital trunking between the base station and the terminal, and the wireless digital trunking includes radio frequency
Transceiver module one, RF receiving and transmission module two, FPGA processing modules and modulation /demodulation module,
The base station of the FPGA processing modules collection wireless signal area of coverage and ambient parameter, according to wireless digital trunking
Maximum gain configuration carries out uplink downlink budget, draws the coverage of up-downgoing respectively, and wherein maximum gain configuration retains
There is gain margin；
The information that FPGA module receives according to transceiver module one, RF receiving and transmission module two, calculation base station is into wireless digital
After the descending decline and interference between equipment, and the path loss in up same paths and interference；
For FPGA module according to the information of acquisition, calculating each terminal uplink data can be required for base station receiver demodulation
Reach the signal to noise ratio required for base station receiver receiving port；
FFPGA modules calculate the signal intensity required for the up output end of wireless digital trunking；
FPGA module calculates upstream digital gain in wireless digital trunking and configured according to required signal intensity
Trigger the real-time gain amplifier of upstream.
Further, the RF receiving and transmission module one carries out transmission of wireless signals, RF receiving and transmission module two and end with base station
End carries out transmission of wireless signals, and the FPGA processing modules are used for the signal and radio-frequency receiving-transmitting mould for receiving and dispatching RF receiving and transmission module one
The signal that block two is received and dispatched is judged, and FPGA processing module of the collocating uplink transmission channel to designated terminal, the modulatedemodulate
Mode transfer block is used to demodulate uplink and downlink signals, obtains the physical layer information of uplink and downlink signals, and physical layer information is transmitted to FPGA
Processing module, the RF receiving and transmission module one are to be wirelessly transferred after passing sequentially through duplexer filter one and antenna one with base station
, the RF receiving and transmission module two is wirelessly transferred after passing sequentially through duplexer filter two and antenna two with terminal, its
Up-link between middle duplexer filter one and RF receiving and transmission module one is serially connected with amplifier, RF receiving and transmission module two and radio frequency
The up-link of transceiver module two is serially connected with amplifier；
Further, cordless communication network, up limited transmission channel are limited, then the up increasing of wireless digital trunking
Beneficial surplus is arranged to zero, is arranged to 5dB outside the gain margin room of descending gain, interior is arranged to 10dB.
Further, the FPGA module calculation base station to the descending decline between wireless digital trunking and is done
Disturb, specific method is：Modulation /demodulation module leads physical layer signal information transfer to FPGA module, FPGA according to received
The initial power configuration P0 of frequency channel power P, the dry SIR ratios of pilot channel letter and base station pilot channels, is calculated in base station to nothing
The decline P-P0 and corresponding interference factor P/SIR of link up-downgoing channel between line number word trunking.
Further, the acquisition methods of the signal to noise ratio are：FPGA module is according to the physical layer of modulation /demodulation module transfer
Signal message, obtain the up channel receiving power of each terminal and corresponding interference noise, and the modulation methods of corresponding data
Formula, determine the signal to noise ratio needed for base station receiver input.
Compared with prior art, the beneficial effects of the invention are as follows：By controlling the adaptive gain of up-link, solve
Up-downgoing imbalance problem under wide covering and depth covering scene, avoid because single-pass caused by up-downgoing imbalance,
Call drop, frequent switching, and paging when subscriber absent such issues that.Improvement user that can be relatively good perceives, and subtracts
It is few to complain.
Brief description of the drawings
Fig. 1 is a kind of unbalanced Adaptable System connection figure of uplink downlink of the present invention.
Fig. 2 is the connection block diagram of wireless digital trunking.
Fig. 3 is upper and lower link budget schematic diagram in the prior art.
Fig. 4 is up path of the present invention and up path interference calculation flow chart.
Fig. 5 is that upstream data flow enhancement of the present invention configuration calculates figure.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, it is right below in conjunction with drawings and Examples
The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and
It is not used in the restriction present invention.
A kind of figures 1 and 2 show that one embodiment of the unbalanced Adaptable System of uplink downlink of the present invention：It is a kind of
The unbalanced Adaptable System of uplink downlink, including the nothing of transmission of wireless signals is carried out by antenna with base station and terminal respectively
Line number word trunking, the wireless digital trunking include：
The RF receiving and transmission module 1 of transmission of wireless signals is carried out with base station 1,
The RF receiving and transmission module 2 21 of transmission of wireless signals is carried out with terminal 2,
For RF receiving and transmission module 1 is received and dispatched signal and RF receiving and transmission module 2 21 transmitting-receiving signal judged,
And FPGA processing module 3 of the collocating uplink transmission channel to designated terminal,
For demodulating uplink and downlink signals, obtain the physical layer information of uplink and downlink signals, and by physical layer information transmit to
The modulation /demodulation module 4 of FPGA processing modules 3；
Wherein described RF receiving and transmission module 1 is to enter after passing sequentially through duplexer filter 1 and antenna 1 with base station 1
Row is wirelessly transferred, the RF receiving and transmission module 2 21 be pass sequentially through after duplexer filter 2 22 and antenna 2 23 with terminal 2
It is wirelessly transferred, wherein the up-link between duplexer filter 1 and RF receiving and transmission module 1 is serially connected with amplification
The downlink of device, RF receiving and transmission module 2 21 and RF receiving and transmission module 2 21 is serially connected with amplifier.
The wireless digital trunking of the present embodiment when in use, the downstream signal from base station, is relayed by wireless digital
After the reception antenna of equipment receives, filtered by duplexer, then come in and go out the Transmit Receive Unit of RF Transiver Unit 1
One, in unit one, reception signal passes through frequency conversion, A/D conversions, and amplification etc. is transmitted to RF Transiver Unit 2 after handling and (penetrated
Frequency Transmit-Receive Unit two), in unit two, by with after the processing procedure of the contrary of unit one, passing through duplex again through amplifier amplification
Device filters, and is then sent by antenna to terminal；Carry out the upward signal of self terminal, connect by the reception antenna of wireless digital trunking
After receipts, filtered by duplexer, then input the Transmit Receive Unit two of RF Transiver Unit 2.In unit two, receive
Signal is transmitted to RF Transiver Unit 1 (Transmit Receive Unit one) after passing through the processing such as frequency conversion, A/D conversions, amplification, in list
In member one, by with after the processing procedure of the contrary of unit two, amplifying through amplifier, then being filtered by duplexer, then by antenna
Send to base station.
Fig. 2 shows a kind of one embodiment of the unbalanced adaptive approach of uplink downlink of the present invention：Above and below a kind of
The unbalanced adaptive approach of line link, comprises the following steps：
Configuration configures wireless digital trunking between the base station and the terminal, and the wireless digital trunking includes radio frequency
Transceiver module one, RF receiving and transmission module two, FPGA processing modules and modulation /demodulation module,
The base station of the FPGA processing modules collection wireless signal area of coverage and ambient parameter, according to wireless digital trunking
Maximum gain configuration carries out uplink downlink budget, draws the coverage of up-downgoing respectively, and wherein maximum gain configuration retains
There is gain margin；
The information that FPGA module receives according to transceiver module one, RF receiving and transmission module two, calculation base station is into wireless digital
After the descending decline and interference between equipment, and the path loss in up same paths and interference；
For FPGA module according to the information of acquisition, calculating each terminal uplink data can be required for base station receiver demodulation
Reach the signal to noise ratio required for base station receiver receiving port；
FFPGA modules calculate the signal intensity required for the up output end of wireless digital trunking；
FPGA module calculates upstream digital gain in wireless digital trunking and configured according to required signal intensity
Trigger the real-time gain amplifier of upstream.
Carry out the upward signal of self terminal, after being received by the reception antenna of wireless digital trunking, filtered by duplexer,
Then the Transmit Receive Unit two of RF Transiver Unit 2 is inputted.In unit two, reception signal passes through frequency conversion, and A/D turns
Change, RF Transiver Unit 1 (Transmit Receive Unit one), in unit one, process and unit are transmitted to after the processing such as amplification
After the processing procedure of two contraries, amplify through amplifier, then filtered by duplexer, then sent by antenna to base station.
The gain of wireless digital trunking in the downstream direction, descending covering, wireless digital trunking can be strengthened
Gain in the downstream direction, descending covering can be strengthened；Generally, increase discounting for wireless digital trunking
Benefit, link budget as shown in Figure 3, generally, the standby gain of relaying is set discounting for wireless digital, pre- entering line link
During calculation, according to the link budget of up parameter and downstream parameter, it will ensure that the link of up-downgoing is substantially at as far as possible
Poised state.According to capacity of equipment and data transportation requirements, different wireless communication technologys has what different up-downgoings was limited
Situation.In the case where adding wireless digital trunking, can improve to a certain extent it is limited, but if to descending
If the gain of signal and upward signal sets improper, it will further destroys uplink downlink balance.
In the above-described embodiments, as preferred embodiment：The RF receiving and transmission module 1 carries out wireless communication with base station 1
Number transmission, RF receiving and transmission module 2 21 and terminal 2 carry out transmission of wireless signals, and the FPGA processing modules 3 are used to receive radio frequency
The signal that the signal and RF receiving and transmission module 2 21 that hair module 1 is received and dispatched are received and dispatched is judged, and collocating uplink transmission channel is given
The FPGA processing modules 3 of designated terminal, the modulation /demodulation module 4 are used to demodulate uplink and downlink signals, obtain uplink and downlink signals
Physical layer information, and physical layer information is transmitted to FPGA processing modules 3, the RF receiving and transmission module 1 be pass sequentially through it is double
It is wirelessly transferred after work wave filter 1 and antenna 1 with base station 1, the RF receiving and transmission module 2 21 is to pass sequentially through
It is wirelessly transferred after duplexer filter 2 22 and antenna 2 23 with terminal 2, wherein duplexer filter 1 and radio-frequency receiving-transmitting
Up-link between module 1 is serially connected with the uplink of amplifier, RF receiving and transmission module 2 21 and RF receiving and transmission module 2 21
Road is serially connected with amplifier.
In algorithm involved in the present invention, it is necessary first to which the target coverage area according to downlink budget determines wireless
The descending gain of digital junction equipment.Because it is often up limited in personal communication network (PCN), it is determined that in wireless digital
, it is necessary to retain certain surplus when the descending gain of equipment.
The yield value of wireless digital trunking in the downstream direction is：
G=Gmax-M
Wherein Gmax is maximum gain of the wireless digital trunking on up-downlink direction, and M is descending gain margin.Can
To be configured according to different scenes.
Based on the consideration of business model under different scenes, for wide covering scene, it is proposed that descending gain margin is 5dB, right
In depth covering scene, it is proposed that descending gain margin is 10dB.Gain margin value in wireless digital trunking can match somebody with somebody it is adjustable,
It can be configured according to the network scenarios or requirement of reality.
According to an a kind of preferred embodiment of the unbalanced adaptive approach of uplink downlink of the present invention：Wireless communication networks
The up limited transmission channel of network is limited, then the up gain margin of wireless digital trunking is arranged to zero, the increasing of descending gain
5dB is arranged to outside beneficial surplus room, interior is arranged to 10dB.
According to Fig. 4, a kind of another preferred embodiment of the unbalanced adaptive approach of uplink downlink of the present invention,
The FPGA module calculation base station is to the descending decline and interference between wireless digital trunking, specific method：Modulation
Demodulation module believes physical layer signal information transfer to FPGA module, FPGA according to received pilot channel power P, pilot tone
The initial power configuration P0 of the dry SIR ratios of road letter and base station pilot channels, is calculated in base station between wireless digital trunking
Link up-downgoing channel decline P-P0 and corresponding interference factor P/SIR.
As Fig. 5 shows up path loss and the calculation flow chart that up path disturbs：
For FDD system, because up-downgoing data transmission frequencies are different, it is necessary to consider the shadow that up-downgoing frequency difference is brought
Ring, provide modifying factor according to the emulation data under varying environment, can also be corrected according to actual environment data；
For TDD system, up-downgoing data transfer is transmitted using the different time slot of identical frequency point, then can be with
Be directly used between wireless digital trunking and base station according to the down channel obtained by the algorithm in claim three
The channel loss and interference of loss and interference as up-link.
According to a kind of another preferred embodiment of the unbalanced adaptive approach of uplink downlink of the present invention, the noise
The acquisition methods of ratio are：FPGA module obtains the up of each terminal according to the physical layer signal information of modulation /demodulation module transfer
Channel received power and corresponding interference noise, and the modulation system of corresponding data, determine base station receiver input institute
The signal to noise ratio needed.
According to a kind of one embodiment of the unbalanced Adaptable System of uplink downlink is invented, the wireless digital relays
Equipment also includes anomaly alarming device, and the anomaly alarming device includes 4G signal generators, 4G signal receivers, PIC processing
Device and audible-visual annunciator, wherein the 4G signal generators are arranged on the interior of wireless digital trunking and handle mould with FPGA
Block is connected, and the 4G signal receivers, PIC processors and audible-visual annunciator are arranged on night shift room, and its 4G signal receiver connects
The 4G signals of 4G signal generators are received, and transmit a signal to PIC processors, PIC processors are according to 4G signal enabling acousto-optic reports
Alert device.
As the presently preferred embodiments, the audible-visual annunciator has two, and one of them is arranged in night shift room, and one is arranged on
Outside night shift room, and two audible-visual annunciators are connected with PIC processors by hilted broadsword ganged switch, hilted broadsword ganged switch
One moving point is serially connected with the audible-visual annunciator power supply circuit in night shift room, and another interaction point is serially connected with two sound
On the parallel circuit of light crossing-signal.
As the presently preferred embodiments, the warning light for the audible-visual annunciator being located outside is externally provided with light guide housing, and light is oriented to
Cover is arranged on by universal joint on the lamp socket of warning light.
Although reference be made herein to invention has been described for multiple explanatory embodiments of the invention, however, it is to be understood that
Those skilled in the art can be designed that a lot of other modifications and embodiment, and these modifications and embodiment will fall in this Shen
Please be within disclosed spirit and spirit.More specifically, can in the range of disclosure, drawings and claims
A variety of variations and modifications are carried out with the building block to theme combination layout and/or layout.Except to building block and/or layout
Outside the modification and improvement of progress, to those skilled in the art, other purposes also will be apparent.
Claims (6)
- A kind of 1. unbalanced Adaptable System of uplink downlink, it is characterised in that：Including by antenna respectively with base station and end End carries out the wireless digital trunking of transmission of wireless signals, and the wireless digital trunking includes：The RF receiving and transmission module one (11) of transmission of wireless signals is carried out with base station (1),The RF receiving and transmission module two (21) of transmission of wireless signals is carried out with terminal (2),For RF receiving and transmission module one (11) is received and dispatched signal and RF receiving and transmission module two (21) transmitting-receiving signal judged, And FPGA processing module (3) of the collocating uplink transmission channel to designated terminal,For demodulating uplink and downlink signals, the physical layer information of uplink and downlink signals is obtained, and physical layer information is transmitted to FPGA Manage the modulation /demodulation module (4) of module (3)；Wherein described RF receiving and transmission module one (11) is to pass sequentially through duplexer filter one (12) and antenna one (13) afterwards and base station (1) it is wirelessly transferred, the RF receiving and transmission module two (21) is to pass sequentially through duplexer filter two (22) and antenna two (23) it is wirelessly transferred afterwards with terminal (2), wherein between duplexer filter one (12) and RF receiving and transmission module one (11) Up-link is serially connected with amplifier, and the downlink of RF receiving and transmission module two (21) and RF receiving and transmission module two (21), which is serially connected with, to be put Big device.
- 2. a kind of unbalanced adaptive approach of uplink downlink, it is characterised in that comprise the following steps：Configuration configures wireless digital trunking between the base station and the terminal, and the wireless digital trunking includes radio-frequency receiving-transmitting Module one, RF receiving and transmission module two, FPGA processing modules and modulation /demodulation module,The base station of the FPGA processing modules collection wireless signal area of coverage and ambient parameter, according to the maximum of wireless digital trunking Gain configuration carries out uplink downlink budget, draws the coverage of up-downgoing respectively, and wherein maximum gain configuration remains with increasing Beneficial surplus；The information that FPGA module receives according to transceiver module one (11), RF receiving and transmission module two (21), calculation base station is to without line number Descending decline and interference between word trunking, and the path loss in up same paths and interference；For FPGA module according to the information of acquisition, calculating each terminal uplink data can be by the arrival required for base station receiver demodulation Signal to noise ratio required for base station receiver receiving port；FFPGA modules calculate the signal intensity required for the up output end of wireless digital trunking；FPGA module calculates upstream digital gain in wireless digital trunking and configures triggering according to required signal intensity The real-time gain amplifier of upstream.
- A kind of 3. unbalanced adaptive approach of uplink downlink according to claim 2, it is characterised in that：The radio frequency Transceiver module one (11) carries out transmission of wireless signals with base station (1), and RF receiving and transmission module two (21) carries out wireless communication with terminal (2) Number transmission, the FPGA processing modules (3) be used for by RF receiving and transmission module one (11) receive and dispatch signal and RF receiving and transmission module two (21) signal of transmitting-receiving is judged, and FPGA processing module (3) of the collocating uplink transmission channel to designated terminal, the modulation Demodulation module is used to demodulate uplink and downlink signals, obtains the physical layer information of uplink and downlink signals, and by physical layer information transmit to FPGA processing modules (3), the RF receiving and transmission module one (11) are to pass sequentially through duplexer filter one (12) and antenna one (13) Be wirelessly transferred afterwards with base station (1), the RF receiving and transmission module two (21) be pass sequentially through duplexer filter two (22) and What antenna two (23) was wirelessly transferred with terminal (2) afterwards, wherein duplexer filter one (12) and RF receiving and transmission module one (11) Between up-link be serially connected with the up-link string of amplifier, RF receiving and transmission module two (21) and RF receiving and transmission module two (21) It is connected to amplifier.
- A kind of 4. unbalanced adaptive approach of uplink downlink according to claim 2, it is characterised in that：Radio communication Network uplink is limited transmission channel and is limited, then the up gain margin of wireless digital trunking is arranged to zero, descending gain 5dB is arranged to outside gain margin room, interior is arranged to 10dB.
- A kind of 5. unbalanced adaptive approach of uplink downlink according to claim 2, it is characterised in that：The FPGA Module calculation base station is to the descending decline and interference between wireless digital trunking, specific method：Modulation /demodulation module Physical layer signal information transfer to FPGA module, FPGA is dry according to received pilot channel power P, pilot channel letter SIR ratios and the initial power of base station pilot channels configuration P0, are calculated in base station to the link between wireless digital trunking The decline P-P0 of up-downgoing channel and corresponding interference factor P/SIR.
- A kind of 6. unbalanced adaptive approach of uplink downlink according to claim 2, it is characterised in that：The noise The acquisition methods of ratio are：FPGA module obtains the up of each terminal according to the physical layer signal information of modulation /demodulation module transfer Channel received power and corresponding interference noise, and the modulation system of corresponding data, determine base station receiver input institute The signal to noise ratio needed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917923.7A CN107484237B (en) | 2017-09-27 | 2017-09-27 | Self-adaptive system and method for unbalance of uplink and downlink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710917923.7A CN107484237B (en) | 2017-09-27 | 2017-09-27 | Self-adaptive system and method for unbalance of uplink and downlink |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107484237A true CN107484237A (en) | 2017-12-15 |
| CN107484237B CN107484237B (en) | 2024-03-15 |
Family
ID=60605715
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710917923.7A Active CN107484237B (en) | 2017-09-27 | 2017-09-27 | Self-adaptive system and method for unbalance of uplink and downlink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107484237B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696927A (en) * | 2018-05-26 | 2018-10-23 | 四川省大见通信技术有限公司 | Digital junction equipment and the method for wireless network non-blind area covering and reducing power consumption |
| CN109104232A (en) * | 2018-09-25 | 2018-12-28 | 中国联合网络通信集团有限公司 | A kind of wireless relay apparatus and wireless communication system |
| CN110430580A (en) * | 2019-08-30 | 2019-11-08 | 超讯通信股份有限公司 | A kind of 5G indoor coverage equipment and its signal processing method |
| CN111866899A (en) * | 2020-06-28 | 2020-10-30 | 四川省大见通信技术有限公司 | Indoor microdistribution system and method for 5G mobile communication |
| CN113038501A (en) * | 2019-12-24 | 2021-06-25 | 中国移动通信集团四川有限公司 | Network link optimization method and device and electronic equipment |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201018511Y (en) * | 2006-11-16 | 2008-02-06 | 上海鑫众通信技术有限公司 | Optical fiber repeater |
| CN101754480A (en) * | 2010-02-03 | 2010-06-23 | 西安交通大学 | Global system for mobile communication (GSM) repeater and self-adaption interference cancellation method thereof |
| CN102480778A (en) * | 2010-11-25 | 2012-05-30 | 无锡励睿科技有限公司 | Method and system for setting forward and reverse link gain through physical-layer relay |
| CN202334520U (en) * | 2011-11-08 | 2012-07-11 | 南京泰之联无线科技有限公司 | Compensation equipment for mobile phone in weak field area |
| CN206135915U (en) * | 2016-11-10 | 2017-04-26 | 张华� | Distributing type thing networking radio signal reinforcing means |
| CN106993293A (en) * | 2017-05-04 | 2017-07-28 | 陕西天基通信科技有限责任公司 | Broadband multi-frequency gain balance equipment, compartment system and location mode |
| CN207251924U (en) * | 2017-09-27 | 2018-04-17 | 四川省大见通信技术有限公司 | A kind of unbalanced Adaptable System of uplink downlink |
-
2017
- 2017-09-27 CN CN201710917923.7A patent/CN107484237B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201018511Y (en) * | 2006-11-16 | 2008-02-06 | 上海鑫众通信技术有限公司 | Optical fiber repeater |
| CN101754480A (en) * | 2010-02-03 | 2010-06-23 | 西安交通大学 | Global system for mobile communication (GSM) repeater and self-adaption interference cancellation method thereof |
| CN102480778A (en) * | 2010-11-25 | 2012-05-30 | 无锡励睿科技有限公司 | Method and system for setting forward and reverse link gain through physical-layer relay |
| CN202334520U (en) * | 2011-11-08 | 2012-07-11 | 南京泰之联无线科技有限公司 | Compensation equipment for mobile phone in weak field area |
| CN206135915U (en) * | 2016-11-10 | 2017-04-26 | 张华� | Distributing type thing networking radio signal reinforcing means |
| CN106993293A (en) * | 2017-05-04 | 2017-07-28 | 陕西天基通信科技有限责任公司 | Broadband multi-frequency gain balance equipment, compartment system and location mode |
| CN207251924U (en) * | 2017-09-27 | 2018-04-17 | 四川省大见通信技术有限公司 | A kind of unbalanced Adaptable System of uplink downlink |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108696927A (en) * | 2018-05-26 | 2018-10-23 | 四川省大见通信技术有限公司 | Digital junction equipment and the method for wireless network non-blind area covering and reducing power consumption |
| CN109104232A (en) * | 2018-09-25 | 2018-12-28 | 中国联合网络通信集团有限公司 | A kind of wireless relay apparatus and wireless communication system |
| CN109104232B (en) * | 2018-09-25 | 2021-03-16 | 中国联合网络通信集团有限公司 | Wireless relay equipment and wireless communication system |
| CN110430580A (en) * | 2019-08-30 | 2019-11-08 | 超讯通信股份有限公司 | A kind of 5G indoor coverage equipment and its signal processing method |
| CN113038501A (en) * | 2019-12-24 | 2021-06-25 | 中国移动通信集团四川有限公司 | Network link optimization method and device and electronic equipment |
| CN113038501B (en) * | 2019-12-24 | 2022-08-05 | 中国移动通信集团四川有限公司 | Network link optimization method and device and electronic equipment |
| CN111866899A (en) * | 2020-06-28 | 2020-10-30 | 四川省大见通信技术有限公司 | Indoor microdistribution system and method for 5G mobile communication |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107484237B (en) | 2024-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107484237A (en) | A kind of unbalanced Adaptable System of uplink downlink and its method | |
| EP2464049B1 (en) | Short-range booster | |
| US10251154B2 (en) | Distributed antenna system measurement receiver | |
| CN101542928B (en) | Distributed antenna communications system and methods of implementing thereof | |
| CN101300751A (en) | Method and equipment for repeating signal of radio communication system | |
| WO2006070178A1 (en) | Using a relay in the uplink to improve the communication quality between a mobile station and a base station | |
| US10244409B2 (en) | Digital full duplex over single channel solution for small cell backhaul applications | |
| CN102378191B (en) | Adjacent channel is carried out the method for auxiliary transmission, system and radio communication device | |
| US10595287B2 (en) | Frequency-division duplexing in a time-division duplexing mode for a telecommunications system | |
| Wu et al. | Coverage analysis of D2D relay-assisted millimeter-wave cellular networks | |
| CN111740791B (en) | Communication control method, communication control device, communication equipment and storage medium | |
| Pourbaba et al. | Full-duplex UAV relay positioning for vehicular communications with underlay V2V links | |
| Omri et al. | Modeling and performance analysis of D2D communications with interference management in 3-D HetNets | |
| CN207251924U (en) | A kind of unbalanced Adaptable System of uplink downlink | |
| Sui et al. | The energy efficiency potential of moving and fixed relays for vehicular users | |
| CN104378138A (en) | Method and device for suppressing radio-frequency mutual interference and multi-mode and multi-standby communication terminal | |
| KR20100098751A (en) | Communication system having femto cell and communication terminal, and method for communicating thereof | |
| Firozjae et al. | Performance Analysis of an UAV-assisted cognitive D2D communication-based Disaster Response Network | |
| Onwuka et al. | Survey of cellular signal booster | |
| KR20150133367A (en) | Wireless communication repeater for ship | |
| KR20190006392A (en) | Relaying device for 5g network of dynamic tdd type considering line of sight | |
| Jin et al. | Studies on spectral efficiency of the CDD system | |
| CN108390711A (en) | Computational methods and device for gain in digital junction equipment | |
| CN107205283B (en) | Method and device for establishing return channel | |
| CN207968488U (en) | Duplex forwarding movable signal device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| CB02 | Change of applicant information | ||
| CB02 | Change of applicant information |
Address after: 610000 China (Sichuan) Free Trade Pilot Zone Chengdu High-tech Zone Sheng'an Street 133 6 Building 1 Unit 271 Applicant after: SICHUAN DAJTECHNOLOGY Co.,Ltd. Address before: 610000 Chengdu City, Sichuan Province, China (Sichuan) Free Trade Pilot Zone Applicant before: SICHUAN DAJTECHNOLOGY Co.,Ltd. |
|
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20240218 Address after: Room 2120, Building 4, Block B, Oriental Plaza Urban Complex, East of Yangpu Street and North of Hefei Road, Economic and Technological Development Zone, Changchun City, Jilin Province, 130000 Applicant after: BEILIAN TECHNOLOGY CO.,LTD. Country or region after: China Address before: 610000 China (Sichuan) Free Trade Pilot Zone Chengdu High-tech Zone Sheng'an Street 133 6 Building 1 Unit 271 Applicant before: SICHUAN DAJTECHNOLOGY Co.,Ltd. Country or region before: China |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |