CN105519012A - Signal transmission method and device - Google Patents

Signal transmission method and device Download PDF

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Publication number
CN105519012A
CN105519012A CN201480033995.XA CN201480033995A CN105519012A CN 105519012 A CN105519012 A CN 105519012A CN 201480033995 A CN201480033995 A CN 201480033995A CN 105519012 A CN105519012 A CN 105519012A
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CN
China
Prior art keywords
signal
transmission
frequency
digital
strength
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Granted
Application number
CN201480033995.XA
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Chinese (zh)
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CN105519012B (en
Inventor
袁震
赵虎
张巧明
龚兰平
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Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/02—Transmitters
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
    • H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
    • H04B7/2603—Arrangements for wireless physical layer control
    • H04B7/2609—Arrangements for range control, e.g. by using remote antennas
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
    • H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/06—Receivers
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Transceivers (AREA)

Abstract

The present invention relates to the field of communications. Disclosed are a signal transmission method and device, which can reduce the number of feeders in a communication device and reduce costs of the communication device. The specific solution is: acquiring a first send signal and a second send signal; combining the first send signal and the second send signal into a transmit signal, and transmitting the transmit signal through a feeder from a near-end unit to a far-end unit; after the transmit signal is transmitted to the far-end unit, separating the first send signal and the second send signal from the transmit signal; adjusting the frequency of the second send signal to generate a second frequency-converted signal; and separately sending the first send signal and the second frequency-converted signal. The present invention is used in signal sending and signal receiving.

Description

A kind of method for transmitting signals and equipment
Technical field
The present invention relates to the communications field, particularly relate to a kind of method for transmitting signals and equipment.
Background technology
Along with the demand of mobile data services is growing, Mobile solution content continues abundant, in order to improve data transmission capabilities when frequency spectrum resource is limited, MIMO (MultipleInputMultipleOutput, multiple-input and multiple-output) technology is widely used in the communications field, such as, LTE (LongTermEvolution, Long Term Evolution) network, WIFI (WirelessFidelity, WiMAX) network etc.MIMO technology carries out data transmission by multiple antenna at the passage of multiple identical frequency, and carry out data receiver by multiple antenna and passage, make parallel data to send simultaneously or to receive, promote the data transmission capabilities under limited spectrum resources successively.
But, in prior art, from the RRU (RadioRemoteUnit of communication equipment, near-end unit) to BBU (BuildingBasebandUnite, far-end unit) between need to be transmitted by feeder line, each road transmits or the corresponding independently passage of Received signal strength, and each independently passage need configuration one road feeder line, this makes communication equipment high cost, and construction inconvenience.
Summary of the invention
Embodiments of the invention provide a kind of method for transmitting signals and equipment, can reduce feeder line quantity in communication equipment, reduce the cost of communication equipment.
For achieving the above object, embodiments of the invention adopt following technical scheme:
First aspect, a kind of transmitting apparatus, comprising: near-end unit and far-end unit, and wherein, described near-end unit comprises mixer, and described far-end unit comprises splitter, frequency converter, the first antenna and the second antenna;
Described mixer, signal is sent for obtaining the first transmission signal and second, described first transmission signal and described second are sent signal and merges into signal transmission, and described signal transmission is transferred to described splitter by a road feeder line, wherein, described first transmission signal is radiofrequency signal, and described second transmission signal is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described splitter, for receiving the described signal transmission of described mixer transmission, from described signal transmission, isolate described first send signal and described second transmission signal, send Signal transmissions to the first antenna by described first, send Signal transmissions by described second to described frequency converter;
Described frequency converter, for receiving the transmission of described splitter described second sends signal, regulates the described second frequency sending signal to generate the second frequency variation signal, described second frequency variation signal is transferred to described second antenna, wherein, described second frequency variation signal is radiofrequency signal;
Described first antenna, for receiving the transmission of described splitter described first sends signal, and sends described first transmission signal;
Described second antenna, for receiving described second frequency variation signal of described frequency converter transmission, and sends described second frequency variation signal.
In conjunction with first aspect, in the implementation that the first is possible, described far-end unit also comprises detection adjuster and the first amplifier;
Described detection adjuster, for detecting the amplitude that described first sends signal;
Described first amplifier, for sending the amplitude of signal according to described first of described detection adjuster detection, described second frequency variation signal is carried out amplitude adjusted, makes the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
In conjunction with the first possible implementation of first aspect or first aspect, in the implementation that the second is possible, described near-end unit also comprises clock oscillator;
Described clock oscillator, for generated clock signal, by described clock signal transmission to described mixer;
Described mixer, also for receiving the described clock signal of described clock oscillator transmission, sending signal merge into described signal transmission by described clock signal, described first transmission signal and described second;
Described splitter, also sends signal and described second transmission signal, by described clock signal transmission to described frequency converter for isolating described clock signal, described first from described signal transmission;
Described frequency converter, also for receiving the described clock signal of described splitter transmission, the frequency of described clock signal is regulated to generate the first mixed frequency signal, described first mixed frequency signal and described second are sent signal to carry out Frequency mixing processing and generate described second frequency variation signal, wherein, the frequency of described first mixed frequency signal is the absolute value that the described first frequency and described second sending signal sends the difference of the frequency of signal.
In conjunction with arbitrary implementation in first aspect to the possible implementation of the second of first aspect, in the implementation that the third is possible, described near-end unit also comprises digital signal processor, the first digital to analog converter and the second digital to analog converter;
Described digital signal processor, for obtaining baseband signal, described baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, by described first digital data transmission to described first digital to analog converter, by described second digital data transmission to described second digital to analog converter;
Described first digital to analog converter, for receiving described first digital signal of described digital signal processor transmission, carrying out digital-to-analogue conversion and generating described first transmission signal by described first digital signal;
Described second digital to analog converter, for receiving described second digital signal of described digital signal processor transmission, carrying out digital-to-analogue conversion and generating described second transmission signal by described second digital signal.
In conjunction with arbitrary implementation in first aspect to the third possible implementation of first aspect, in the 4th kind of possible implementation, described near-end unit also comprises the second amplifier;
Described second amplifier, carries out amplification process for sending signal by described first.
Second aspect, a kind of receiving equipment, is characterized in that, comprising: far-end unit and near-end unit, and described far-end unit comprises mixer, frequency converter, the first antenna and the second antenna, and described near-end unit comprises splitter;
Described first antenna, for receiving the first Received signal strength, described first Received signal strength is transferred to described mixer, described first Received signal strength is radiofrequency signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described second antenna, for receiving the second frequency variation signal, described second frequency variation signal is transferred to described frequency converter, described second frequency variation signal is radiofrequency signal, and described second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing;
Described frequency converter, for receiving described second frequency variation signal of described second antenna transmission, regulating the frequency of described second frequency variation signal to generate described second Received signal strength, and described second Received signal strength is transferred to described mixer;
Described mixer, for described second Received signal strength that described first Received signal strength and described frequency converter that receive described first antenna transmission transmit, described first Received signal strength and described second Received signal strength are merged into signal transmission, and described signal transmission is transferred to described splitter by a road feeder line;
Described splitter, for receiving the described signal transmission of described mixer transmission, isolates described first Received signal strength and described second Received signal strength from described signal transmission.
In conjunction with second aspect, in the implementation that the first is possible, described far-end unit also comprises the first amplifier;
Described first amplifier, for described second frequency variation signal is carried out amplitude adjusted, makes the absolute value of the described amplitude of the second frequency variation signal and the difference of predetermined amplitude be less than predetermined threshold value.
In conjunction with the first possible implementation of second aspect or second aspect, in the implementation that the second is possible,
Described frequency converter, also for obtaining clock signal, the frequency of described clock signal is regulated to generate the second mixed frequency signal, described second mixed frequency signal and described second frequency variation signal are carried out Frequency mixing processing and generates described second Received signal strength, wherein, the frequency of described second mixed frequency signal is the absolute value of the difference of the frequency of described first Received signal strength and the frequency of described second Received signal strength.
In conjunction with arbitrary implementation in second aspect to the possible implementation of the second of second aspect, in the implementation that the third is possible, described near-end unit also comprises the first analog to digital converter, the second analog to digital converter and digital signal processor;
Described first analog to digital converter, described first Received signal strength for described demultiplexer separates being gone out carries out analog-to-digital conversion and generates the first digital signal, and by described first digital data transmission to described digital signal processor;
Described second analog to digital converter, described second Received signal strength for described demultiplexer separates being gone out carries out analog-to-digital conversion and generates the second digital signal, and by described second digital data transmission to described digital signal processor;
Described digital signal processor, for described second digital signal that described first digital signal and described second analog to digital converter that receive described first analog to digital converter transmission are transmitted, described first digital signal and described second digital signal are carried out digital demodulation signal and generate baseband signal.
In conjunction with arbitrary implementation in second aspect to the third possible implementation of second aspect, in the 4th kind of possible implementation, described near-end unit also comprises the second amplifier;
Described second amplifier, described first Received signal strength for described demultiplexer separates being gone out carries out amplification process.
The third aspect, a kind of duplex communication device, comprise near-end unit and far-end unit, described near-end unit comprises the first multiplexer, and described far-end unit comprises the second multiplexer, the first frequency converter, the second frequency converter, first duplexer, the second duplexer, the first antenna and the second antenna;
Wherein, described first multiplexer, for when described duplex communication device sends signal, obtain first and send signal and the second transmission signal, described first transmission signal and described second are sent signal and merges into signal transmission, and described signal transmission is transferred to described second multiplexer by a road feeder line, wherein, described first transmission signal is radiofrequency signal, and described second transmission signal is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described second multiplexer, for when described duplex communication device sends signal, receive the described signal transmission of described first multiplexer transmission, from described signal transmission, isolate described first send signal and described second transmission signal, send Signal transmissions by described first to first duplexer, send Signal transmissions by described second to described first frequency converter;
Described first frequency converter, for receiving described second multiplexer transmission described second sends signal, regulates the described second frequency sending signal to generate the second frequency variation signal, described second frequency variation signal is transferred to described second duplexer, wherein, described second frequency variation signal is radiofrequency signal;
Described first duplexer, for when described duplex communication device sends signal, receive described second multiplexer transmission described first sends signal, is opened by the Signal separator that described first sends signal and reception, and sends Signal transmissions to described first antenna by described first;
Described first antenna, for when described duplex communication device sends signal, receives described first of described first duplexer transmission and sends signal and send described first transmission signal;
Described second duplexer, for when described duplex communication device sends signal, receive described second frequency variation signal of described first frequency converter transmission, the Signal separator of described second frequency variation signal and reception is opened, and described second frequency variation signal is transferred to described second antenna;
Described second antenna, for when described duplex communication device sends signal, receives described second frequency variation signal of described second duplexer transmission and sends described second frequency variation signal;
Or,
Described first antenna, for when described duplex communication device Received signal strength, receive the first Received signal strength, described first Received signal strength is transferred to described first duplexer, described first Received signal strength is radiofrequency signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described first duplexer, for when described duplex communication device Received signal strength, receive described first Received signal strength of described first antenna transmission, the Signal separator of described first Received signal strength and transmission is opened, and described first Received signal strength is transferred to described second multiplexer;
Described second antenna, for when described duplex communication device Received signal strength, receive the second frequency variation signal, described second frequency variation signal is transferred to described second duplexer, described second frequency variation signal is radiofrequency signal, and described second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing;
Described second duplexer, for when described duplex communication device Received signal strength, receive described second frequency variation signal of described second antenna transmission, the Signal separator of described second frequency variation signal and transmission is opened, and described second frequency variation signal is transferred to described second frequency converter;
Described second frequency converter, for receiving described second frequency variation signal of described second duplexer transmission, regulating the frequency of described second frequency variation signal to generate described second Received signal strength, and described second Received signal strength is transferred to described second multiplexer;
Described second multiplexer, for when described duplex communication device Received signal strength, receive described first Received signal strength of described first duplexer transmission and described second Received signal strength of described second frequency converter transmission, described first Received signal strength and described second Received signal strength are merged into signal transmission, and described signal transmission is transferred to described first multiplexer by a road feeder line;
Described first multiplexer, for when described duplex communication device Received signal strength, receives the described signal transmission of described second multiplexer transmission, isolates described first Received signal strength and described second Received signal strength from described signal transmission.
In conjunction with the third aspect, in the implementation that the first is possible, described far-end unit also comprises detection adjuster, the first adjustable amplifier and the second adjustable amplifier;
Described detection adjuster, for when described duplex communication device sends signal, detects the amplitude that described first sends signal;
Described first adjustable amplifier, for when described duplex communication device sends signal, according to the amplitude of the described first transmission signal that described detection adjuster detects, described second frequency variation signal is carried out amplitude adjusted, makes the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value;
Described second adjustable amplifier, for when described duplex communication device Received signal strength, according to the amplitude of the described first transmission signal that described detection adjuster detects, described second frequency variation signal is carried out amplitude adjusted, makes the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
In conjunction with the first possible implementation of the third aspect or the third aspect, in the implementation that the second is possible, described near-end unit, also comprises clock oscillator;
Described clock oscillator, for generated clock signal, by described clock signal transmission to described first multiplexer;
Described first multiplexer, for when described duplex communication device sends signal, receives the described clock signal of described clock oscillator transmission, and described clock signal, described first transmission signal and described second are sent signal and merge into described signal transmission;
Described second multiplexer, also for when described duplex communication device sends signal, from described signal transmission, isolate described clock signal, described first send signal and described second transmission signal, by described clock signal transmission to described first frequency converter and described second frequency converter;
Described first frequency converter, also for when described duplex communication device sends signal, receive the described clock signal of described second multiplexer transmission, the frequency of described clock signal is regulated to generate the first mixed frequency signal, described first mixed frequency signal and described second are sent signal to carry out Frequency mixing processing and generate described second frequency variation signal, wherein, the frequency of described first mixed frequency signal is the absolute value that the described first frequency and described second sending signal sends the difference of the frequency of signal;
Described second frequency converter, also for when described duplex communication device Received signal strength, receive the described clock signal of described second multiplexer transmission, the frequency of described clock signal is regulated to generate the second mixed frequency signal, described second mixed frequency signal and described second frequency variation signal are carried out Frequency mixing processing and generates described second Received signal strength, wherein, the frequency of described second mixed frequency signal is the absolute value of the difference of the frequency of described first Received signal strength and the frequency of described second Received signal strength.
In conjunction with arbitrary implementation in the third aspect to the possible implementation of the second of the third aspect, in the implementation that the third is possible, described near-end unit also comprises the first digital to analog converter, the second digital to analog converter, the first analog to digital converter, the second analog to digital converter and digital signal processor;
Described digital signal processor, for when described duplex communication device sends signal, obtain baseband signal, described baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, by described first digital data transmission to described first digital to analog converter, by described second digital data transmission to described second digital to analog converter;
Described first digital to analog converter, for when described duplex communication device sends signal, receives described first digital signal of described digital signal processor transmission, described first digital signal is carried out digital-to-analogue conversion and generates described first transmission signal;
Described second digital to analog converter, for when described duplex communication device sends signal, receives described second digital signal of described digital signal processor transmission, described second digital signal is carried out digital-to-analogue conversion and generates described second transmission signal;
Described first analog to digital converter, for when described duplex communication device Received signal strength, isolated described first Received signal strength of described first multiplexer is carried out analog-to-digital conversion and generates the first digital signal, and by described first digital data transmission to described digital signal processor;
Described second analog to digital converter, for when described duplex communication device Received signal strength, isolated described second Received signal strength of described first multiplexer is carried out analog-to-digital conversion and generates the second digital signal, and by described second digital data transmission to described digital signal processor;
Described digital signal processor, also for when described duplex communication device Received signal strength, receive described first digital signal of described first analog to digital converter transmission and described second digital signal of described second analog to digital converter transmission, described first digital signal and described second digital signal are carried out digital demodulation signal and generate baseband signal.
In conjunction with arbitrary implementation in the third aspect to the third possible implementation of the third aspect, in the 4th kind of possible implementation, described near-end unit also comprises the 3rd amplifier and the 4th amplifier;
Described 3rd amplifier, for when described duplex communication device sends signal, sends signal and carries out amplification process by described first;
Described 4th amplifier, for when described duplex communication device Received signal strength, carries out amplification process by described first Received signal strength.
Fourth aspect, a kind of signaling method, comprising:
Obtain first and send signal and the second transmission signal, wherein, described first transmission signal is radiofrequency signal, and described second transmission signal is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described first transmission signal and described second are sent signal and merges into signal transmission, and described signal transmission is transferred to far-end unit by a road feeder line by near-end unit;
After described signal transmission transfers to far-end unit, from described signal transmission, isolate described first send signal and described second transmission signal;
Regulate the described second frequency sending signal to generate the second frequency variation signal, wherein, described second frequency variation signal is radiofrequency signal;
Send described first respectively and send signal and described second frequency variation signal.
In conjunction with fourth aspect, in the implementation that the first is possible, the frequency that described adjustment described second sends signal also comprises after generating the second frequency variation signal:
Detect the amplitude that described first sends signal, according to the amplitude that described first sends signal, described second frequency variation signal is carried out amplitude adjusted, make the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
In conjunction with the first possible implementation of fourth aspect or fourth aspect, in the implementation that the second is possible, the described signal and described second that sends described first sends signal and merges into signal transmission, comprising:
Obtain clock signal, described clock signal, described first transmission signal and described second are sent signal and merge into described signal transmission;
After described signal transmission transfers to far-end unit, from described signal transmission, isolate described first send signal and described second transmission signal, comprising:
After described signal transmission transfers to far-end unit, from described signal transmission, isolate described clock signal, described first send signal and described second transmission signal;
The frequency of described the second transmission signal according to the frequency adjustment of described first transmission signal, and generate the second frequency variation signal, comprising:
The frequency of described clock signal is regulated to generate the first mixed frequency signal, described first mixed frequency signal and described second are sent signal to carry out Frequency mixing processing and generate described second frequency variation signal, wherein, the frequency of described first mixed frequency signal is the absolute value that the described first frequency and described second sending signal sends the difference of the frequency of signal.
In conjunction with arbitrary implementation in fourth aspect to the possible implementation of the second of fourth aspect, in the implementation that the third is possible, described acquisition first sends signal and second and sends signal, comprising:
Obtain baseband signal, described baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal;
Described first digital signal is carried out digital-to-analogue conversion and generate described first transmission signal, described second digital signal is carried out digital-to-analogue conversion and generate described second transmission signal.
In conjunction with arbitrary implementation in fourth aspect to the third possible implementation of fourth aspect, in the 4th kind of possible implementation, described acquisition first also comprises after sending signal and the second transmission signal:
Send signal by described first and carry out amplification process.
5th aspect, a kind of signal acceptance method, comprising:
Receive the first Received signal strength and the second frequency variation signal, wherein, described first Received signal strength and described second frequency variation signal are radiofrequency signal, described second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing, described second Received signal strength is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
The frequency of described second frequency variation signal is regulated to generate described second Received signal strength;
Described first Received signal strength and described second Received signal strength are merged into signal transmission, and described signal transmission is transferred to near-end unit by a road feeder line by far-end unit;
After described signal transmission transfers to near-end unit, from described signal transmission, isolate described first Received signal strength and described second Received signal strength.
In conjunction with the 5th aspect, in the implementation that the first is possible, after described reception first Received signal strength and the second frequency variation signal, also comprise:
Described second frequency variation signal is carried out amplitude adjusted, makes the absolute value of the described amplitude of the second frequency variation signal and the difference of predetermined amplitude be less than predetermined threshold value.
In conjunction with the first possible implementation of the 5th aspect or the 5th aspect, in the implementation that the second is possible, the frequency of described second frequency variation signal of described adjustment generates the second Received signal strength, comprising:
Obtain clock signal, the frequency of described clock signal is regulated to generate the second mixed frequency signal, described second mixed frequency signal and described second frequency variation signal are carried out Frequency mixing processing and generates described second Received signal strength, wherein, the frequency of described second mixed frequency signal is the absolute value of the difference of the frequency of described first Received signal strength and the frequency of described second Received signal strength.
In conjunction with arbitrary implementation in the 5th aspect to the possible implementation of the second of the 5th aspect, in the implementation that the third is possible, described from described signal transmission, isolate described first Received signal strength and described second Received signal strength after, also comprise:
Described first Received signal strength is carried out analog-to-digital conversion and generates the first digital signal, described second Received signal strength is carried out analog-to-digital conversion and generates the second digital signal;
Described first digital signal and described second digital signal are carried out digital signal modulated and generate baseband signal.
In conjunction with arbitrary implementation in the third possible implementation of the 5th aspect to the 5th aspect, in the 4th kind of possible implementation, described from described signal transmission, isolate described first Received signal strength and described second Received signal strength after, also comprise:
Described first Received signal strength is carried out amplification process.
A kind of method for transmitting signals that the embodiment of the present invention provides and equipment, by obtaining the first signal and secondary signal, first signal and secondary signal are merged into signal transmission, and signal transmission is transferred to far-end unit by a road feeder line by near-end unit, after signal transmission transfers to far-end unit, the first signal and secondary signal is isolated from signal transmission, the frequency of secondary signal is regulated to generate the second frequency variation signal, send the first signal and the second frequency variation signal respectively, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, below the accompanying drawing used required in describing embodiment is briefly described, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
A kind of transmitting apparatus structural representation that Fig. 1 provides for embodiments of the invention;
The another kind of transmitting apparatus structural representation that Fig. 2 provides for embodiments of the invention;
A kind of receiving equipment structural representation that Fig. 3 provides for embodiments of the invention;
The another kind of receiving equipment structural representation that Fig. 4 provides for embodiments of the invention;
A kind of duplex communication device structural representation that Fig. 5 provides for embodiments of the invention;
The another kind of duplex communication device structural representation that Fig. 6 provides for embodiments of the invention;
A kind of duplex communication device structural representation that Fig. 7 provides for another embodiment of the present invention;
A kind of duplex communication device structural representation that Fig. 8 provides for another embodiment of the present invention;
A kind of signaling method schematic flow sheet that Fig. 9 provides for embodiments of the invention;
A kind of signal acceptance method schematic flow sheet that Figure 10 provides for embodiments of the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Embodiments of the invention provide a kind of transmitting apparatus, optionally, can be applied in MIMO technology, with reference to shown in Fig. 1, this transmitting apparatus 10 comprises near-end unit 11 and far-end unit 12, wherein this near-end unit 11 comprises mixer 1101, and far-end unit 12 comprises splitter 1201, frequency converter 1202, first antenna 1203 and the second antenna 1204.
Wherein, mixer 1101, signal is sent for obtaining the first transmission signal and second, first transmission signal and second are sent signal and merges into signal transmission, and signal transmission is transferred to splitter 1201 by a road feeder line, wherein, the first transmission signal is radiofrequency signal, second transmission signal is non-radio frequencies signal, and radiofrequency signal is the signal having tranmitting frequency.
Splitter 1201, for receiving the signal transmission that mixer 1101 transmits, isolating the first transmission signal and second and sending signal, sending Signal transmissions to the first antenna 1203 by first, send Signal transmissions to frequency converter 1202 by second from signal transmission.
Frequency converter 1202, for the second transmission signal that received branch unit 1201 transmits, regulate the second frequency sending signal to generate the second frequency variation signal, the second frequency variation signal is transferred to the second antenna 1204, wherein, the second frequency variation signal is radiofrequency signal.
First antenna 1203, for the first transmission signal that received branch unit 1201 transmits, and sends the first transmission signal.
Second antenna 1204, for receiving the second frequency variation signal that frequency converter 1202 transmits, and sends the second frequency variation signal.
Optionally, with reference to shown in Fig. 2, this far-end unit 12 also comprises detection adjuster 1205 and the first amplifier 1206.
Detect adjuster 1205, for detecting the amplitude of the first transmission signal.
First amplifier 1206, for according to the amplitude detecting the first transmission signal that adjuster 1205 detects, carries out amplitude adjusted by the second frequency variation signal, makes the amplitude of the second frequency variation signal and the first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
Optionally, with reference to shown in Fig. 2, near-end unit 11 also comprises clock oscillator 1102.
Clock oscillator 1102, for generated clock signal, by clock signal transmission to mixer 1101.
Mixer 1101, also for the clock signal that receive clock oscillator 1102 transmits, sends signal merge into signal transmission by clock signal, the first transmission signal and second.
Splitter 1201, also sends signal and the second transmission signal, by clock signal transmission to frequency converter 1202 for isolating clock signal, first from signal transmission.
Frequency converter 1202, also for the clock signal of received branch unit 1201 transmission, the frequency of clock signal is regulated to generate the first mixed frequency signal, first mixed frequency signal and second are sent signal to carry out Frequency mixing processing and generate the second frequency variation signal, wherein, the frequency of the first mixed frequency signal is the difference that the frequency and second of the first transmission signal sends the frequency of signal.
Optionally, with reference to shown in Fig. 2, near-end unit 11 also comprises digital signal processor 1103, first digital to analog converter 1104 and the second digital to analog converter 1105.
Digital signal processor 1103, for obtaining baseband signal, baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, by the first digital data transmission to the first digital to analog converter 1104, by the second digital data transmission to the second digital to analog converter 1105.
First digital to analog converter 1104, for the first digital signal that receiving digital signals processor 1103 transmits, carries out digital-to-analogue conversion and generates the first transmission signal by the first digital signal.
Second digital to analog converter 1105, for the second digital signal that receiving digital signals processor 1103 transmits, carries out digital-to-analogue conversion and generates the second transmission signal by the second digital signal.
Near-end unit 11 also comprises the second amplifier 1106.
Second amplifier 1106, carries out amplification process for sending signal by first.
The transmitting apparatus that embodiments of the invention provide, signal is sent by obtaining the first transmission signal and second, first transmission signal and second are sent signal and merges into signal transmission, and signal transmission is transferred to far-end unit by a road feeder line by near-end unit, after signal transmission transfers to far-end unit, from signal transmission, isolate the first transmission signal and second send signal, the second frequency sending signal is regulated to generate the second frequency variation signal, send first respectively and send signal and the second frequency variation signal, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
Embodiments of the invention provide a kind of receiving equipment, optionally, can be applied in MIMO technology, with reference to shown in Fig. 3, this receiving equipment 30 comprises far-end unit 31 and near-end unit 32, far-end unit 31 comprises mixer 3101, frequency converter 3102, first antenna 3103 and the second antenna 3104, and near-end unit 32 comprises splitter 3201.
First antenna 3103, for receiving the first Received signal strength, transfers to mixer 3101 by the first Received signal strength, and the first Received signal strength is radiofrequency signal, and radiofrequency signal is the signal having tranmitting frequency.
Second antenna 3104, for receiving the second frequency variation signal, transfers to frequency converter 3102 by the second frequency variation signal, and the second frequency variation signal is radiofrequency signal, and the second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing.
Frequency converter 3102, for receiving the second frequency variation signal that the second antenna 3104 transmits, regulating the frequency of the second frequency variation signal to generate the second Received signal strength, and the second Received signal strength is transferred to mixer 3101.
Mixer 3101, for the second Received signal strength that the first Received signal strength and frequency converter 3102 that receive the first antenna 3103 transmission transmit, first Received signal strength and the second Received signal strength are merged into signal transmission, and signal transmission is transferred to splitter 3201 by a road feeder line.
Splitter 3201, for receiving the signal transmission that mixer 3101 transmits, isolates the first Received signal strength and the second Received signal strength from signal transmission.
Optionally, with reference to shown in Fig. 4, far-end unit 31 also comprises the first amplifier 3105.
First amplifier 3105, for the second frequency variation signal is carried out amplitude adjusted, makes the absolute value of the amplitude of the second frequency variation signal and the difference of predetermined amplitude be less than predetermined threshold value.
Frequency converter 3102, also for obtaining clock signal, the frequency of clock signal is regulated to generate the second mixed frequency signal, second mixed frequency signal and the second frequency variation signal are carried out Frequency mixing processing and generates the second Received signal strength, wherein, the frequency of the second mixed frequency signal is the difference of the frequency of the first Received signal strength and the frequency of the second Received signal strength.
Optionally, with reference to shown in Fig. 4, near-end unit 32 also comprises the first analog to digital converter 3202, second analog to digital converter 3203 and digital signal processor 3204.
First analog to digital converter 3202, generates the first digital signal for isolated for splitter 3,201 first Received signal strength is carried out analog-to-digital conversion, and by the first digital data transmission to digital signal processor 3204.
Second analog to digital converter 3203, generates the second digital signal for isolated for splitter 3,201 second Received signal strength is carried out analog-to-digital conversion, and by the second digital data transmission to digital signal processor 3204.
Digital signal processor 3204, for the second digital signal that the first digital signal and the second analog to digital converter 3203 that receive the first analog to digital converter 3202 transmission are transmitted, the first digital signal and the second digital signal are carried out digital demodulation signal and generate baseband signal.
Near-end unit 32 also comprises the second amplifier 3205.
Second amplifier 3205, for carrying out amplification process by isolated for splitter 3,201 first Received signal strength.
The receiving equipment that embodiments of the invention provide, by receiving the first Received signal strength and the second frequency variation signal, the frequency of the second frequency variation signal is regulated to generate the second Received signal strength, first Received signal strength and the second Received signal strength are merged into signal transmission, and signal transmission is transferred to near-end unit by a road feeder line by far-end unit, after signal transmission transfers to near-end unit, the first Received signal strength and the second Received signal strength is isolated from signal transmission, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
Embodiments of the invention provide a kind of duplex communication device, optionally, can be applied in MIMO technology, with reference to shown in Fig. 5, this duplex communication device 50 comprises near-end unit 51 and far-end unit 52, near-end unit 51 comprises the first multiplexer 5101, and far-end unit 52 comprises the second multiplexer 5201, first frequency converter 5202, second frequency converter 5203, first duplexer 5204, second duplexer 5205, first antenna 5206 and the second antenna 5207.
Wherein, first multiplexer 5101, for when duplex communication device 50 sends signal, obtain first and send signal and the second transmission signal, the first transmission signal and second are sent signal and merges into signal transmission, and signal transmission is transferred to the second multiplexer 5201 by a road feeder line, wherein, first transmission signal is radiofrequency signal, and the second transmission signal is non-radio frequencies signal, and radiofrequency signal is the signal having tranmitting frequency.
Second multiplexer 5201, for when duplex communication device 50 sends signal, receive the signal transmission that the first multiplexer 5101 transmits, from signal transmission, isolate the first transmission signal and second send signal, send Signal transmissions by first to first duplexer 5204, send Signal transmissions to the first frequency converter 5202 by second.
First frequency converter 5202, transmit for receiving the second multiplexer 5201 second sends signal, and regulate the second frequency sending signal to generate the second frequency variation signal, the second frequency variation signal is transferred to the second duplexer 5205, wherein, the second frequency variation signal is radiofrequency signal.
First duplexer 5204, for when duplex communication device 50 sends signal, receives the first transmission signal that the second multiplexer 5201 transmits, is opened by the Signal separator that first sends signal and reception, and send Signal transmissions to the first antenna 5206 by first.
First antenna 5206, for when duplex communication device 50 sends signal, receive first duplexer 5204 transmission first sends signal and sends the first transmission signal.
Second duplexer 5205, for when duplex communication device 50 sends signal, receives the second frequency variation signal that the first frequency converter 5202 transmits, is opened by the Signal separator of the second frequency variation signal and reception, and the second frequency variation signal is transferred to the second antenna 5207.
Second antenna 5207, for when duplex communication device 50 sends signal, receives the second frequency variation signal of the second duplexer 5205 transmission and sends the second frequency variation signal.
Or,
First antenna 5206, for when duplex communication device 50 Received signal strength, receive the first Received signal strength, the first Received signal strength is transferred to first duplexer 5204, the first Received signal strength is radiofrequency signal, and radiofrequency signal is the signal having tranmitting frequency.
First duplexer 5204, for when duplex communication device 50 Received signal strength, receives the first Received signal strength that the first antenna 5206 transmits, is opened by the Signal separator of the first Received signal strength and transmission, and the first Received signal strength is transferred to the second multiplexer 5201.
Second antenna 5207, for when duplex communication device 50 Received signal strength, receive the second frequency variation signal, the second frequency variation signal is transferred to the second duplexer 5205, second frequency variation signal is radiofrequency signal, and the second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing.
Second duplexer 5205, for when duplex communication device 50 Received signal strength, receives the second frequency variation signal that the second antenna 5207 transmits, is opened by the Signal separator of the second frequency variation signal and transmission, and the second frequency variation signal is transferred to the second frequency converter 5203.
Second frequency converter 5203, for receiving the second frequency variation signal that the second duplexer 5205 transmits, regulating the frequency of the second frequency variation signal to generate the second Received signal strength, and the second Received signal strength is transferred to the second multiplexer 5201.
Second multiplexer 5201, for when duplex communication device 50 Received signal strength, receive the first Received signal strength of first duplexer 5204 transmission and the second Received signal strength of the second frequency converter 5203 transmission, first Received signal strength and the second Received signal strength are merged into signal transmission, and signal transmission is transferred to the first multiplexer 5101 by a road feeder line.
First multiplexer 5101, for when duplex communication device 50 Received signal strength, receives the signal transmission that the second multiplexer 5201 transmits, isolates the first Received signal strength and the second Received signal strength from signal transmission.
Optionally, with reference to shown in Fig. 6, far-end unit 52 also comprises detection adjuster 5208, first adjustable amplifier 5209 and the second adjustable amplifier 5210.
Detect adjuster 5208, for when duplex communication device 50 sends signal, detect the amplitude that first sends signal.
First adjustable amplifier 5209, for when duplex communication device 50 sends signal, according to the amplitude detecting the first transmission signal that adjuster 5208 detects, second frequency variation signal is carried out amplitude adjusted, makes the amplitude of the second frequency variation signal and the first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
Second adjustable amplifier 5210, for when duplex communication device 50 Received signal strength, according to the amplitude detecting the first transmission signal that adjuster 5208 detects, second frequency variation signal is carried out amplitude adjusted, makes the amplitude of the second frequency variation signal and the first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
Herein, further, with reference to shown in Fig. 6, detect adjuster 5208 can sample the first transmission signal and through first adjustable amplifier 5203 amplify process after the second frequency variation signal, because the transmission of signal is continuous print, sampling should be carried out to suppose a predetermined period, like this, first transmission signal of sampling and the amplitude difference of the second frequency variation signal in this cycle, the foundation of the second frequency variation signal can be regulated as next cycle, that is is sent signal a upper moment first and transfer to the first adjustable amplifier 5209 and the second adjustable amplifier 5210 respectively through the Magnitude Difference that the first adjustable amplifier 5209 amplifies these two signals of the second frequency variation signal after process, so that the first adjustable amplifier 5209 regulates this moment to need the amplitude of the second frequency variation signal sent, simultaneously, so that the second adjustable amplifier 5210 regulates the amplitude of second frequency variation signal of this reception.
Optionally, with reference to shown in Fig. 6, near-end unit 51, also comprises clock oscillator 5102.
Clock oscillator 5102, for generated clock signal, by clock signal transmission to the first multiplexer 5101.
First multiplexer 5101, for when duplex communication device 50 sends signal, the clock signal that receive clock oscillator 5102 transmits, sends signal by clock signal, first and the second transmission signal merges into signal transmission.
Second multiplexer 5201, also for when duplex communication device 50 sends signal, isolates clock signal, first and sends signal and the second transmission signal, by clock signal transmission to the first frequency converter 5202 and the second frequency converter 5203 from signal transmission.
First frequency converter 5202, also for when duplex communication device 50 sends signal, receive the clock signal that the second multiplexer 5201 transmits, the frequency of clock signal is regulated to generate the first mixed frequency signal, first mixed frequency signal and second are sent signal to carry out Frequency mixing processing and generate the second frequency variation signal, wherein, the frequency of the first mixed frequency signal is the difference that the frequency and second of the first transmission signal sends the frequency of signal.
Second frequency converter 5203, also for when duplex communication device 50 Received signal strength, receive the clock signal that the second multiplexer 5201 transmits, the frequency of clock signal is regulated to generate the second mixed frequency signal, second mixed frequency signal and the second frequency variation signal are carried out Frequency mixing processing and generates the second Received signal strength, wherein, the frequency of the second mixed frequency signal is the difference of the frequency of the first Received signal strength and the frequency of the second Received signal strength.
Optionally, with reference to shown in Fig. 6, near-end unit 51 also comprises the first digital to analog converter 5103, second digital to analog converter 5104, first analog to digital converter 5105, second analog to digital converter 5106 and digital signal processor 5107.
Digital signal processor 5107, for when duplex communication device 50 sends signal, obtain baseband signal, baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, by the first digital data transmission to the first digital to analog converter 5103, by the second digital data transmission to the second digital to analog converter 5104.
First digital to analog converter 5103, for when duplex communication device 50 sends signal, the first digital signal that receiving digital signals processor 5107 transmits, carries out digital-to-analogue conversion and generates the first transmission signal by the first digital signal.
Second digital to analog converter 5104, for when duplex communication device 50 sends signal, the second digital signal that receiving digital signals processor 5107 transmits, carries out digital-to-analogue conversion and generates the second transmission signal by the second digital signal.
First analog to digital converter 5105, for when duplex communication device 50 Received signal strength, carries out analog-to-digital conversion by isolated first Received signal strength of the first multiplexer 5101 and generates the first digital signal, and by the first digital data transmission to digital signal processor 5107.
Second analog to digital converter 5106, for when duplex communication device 50 Received signal strength, carries out analog-to-digital conversion by isolated second Received signal strength of the first multiplexer 5101 and generates the second digital signal, and by the second digital data transmission to digital signal processor 5107.
Digital signal processor 5107, also for when duplex communication device 50 Received signal strength, receive the first digital signal of the first analog to digital converter 5105 transmission and the second digital signal of the second analog to digital converter 5106 transmission, the first digital signal and the second digital signal are carried out digital demodulation signal and generate baseband signal.
Herein, digital signal processor 5107 and the first digital to analog converter 5103 pairs of baseband signals have carried out analog-modulated, preferably, this analog-modulated is amplitude modulation(PAM), and digital signal processor 5107 and the second digital to analog converter 5104 pairs of baseband signals have also carried out analog-modulated, corresponding, digital signal processor 5105 and the first analog to digital converter 5105 have carried out analog-modulated demodulation to the first signal, preferably, this analog-modulated is demodulated into amplitude modulation(PAM) demodulation, digital signal processor 5105 and the second analog to digital converter 5106 pairs of secondary signals have also carried out analog-modulated demodulation, for signal madulation and demodulation, implementation has multiple, the present embodiment just lists a kind of as explanation, do not represent the present embodiment and this kind of circuit structure is confined to for signal madulation and demodulation, the specific implementation of modulation /demodulation of the present invention does not limit.
Optionally, with reference to shown in Fig. 6, near-end unit 51 also comprises the 3rd amplifier 5108 and the 4th amplifier 5109.Optionally, the 3rd amplifier 5108 and the 4th amplifier 5109 also can be connected to far-end unit 52, and to this, the present invention does not limit.
3rd amplifier 5108, for when duplex communication device 50 sends signal, sends signal and carries out amplification process by first.
4th amplifier 5109, for when duplex communication device 50 Received signal strength, carries out amplification process by the first Received signal strength.
Certainly, the present embodiment is described to send or to receive two paths of signals, do not represent embodiments of the invention to be confined to process two paths of signals, the duplex communication device 50 that the present embodiment provides by increasing inner member, can utilize identical principle process multiple signals.Such as, new near-end unit can also be increased, the 3rd road signal transmitted by new near-end unit sends signal and second by the first multiplexer 5101 and first and sends signal and merge and transfer to the second multiplexer 5201, 3rd road signal is non-radio frequencies signal, after the 3rd road signal isolated by second multiplexer 5201, 3rd road signal is generated the 3rd frequency variation signal by the 3rd frequency converter regulating frequency, the 3rd frequency variation signal is made to be radiofrequency signal, transfer to third antenna by the 3rd duplexer after being amplified by the 3rd adjustable amplifier by 3rd frequency variation signal to send, concrete processing procedure and second sends class signal seemingly, repeat no more herein.
In addition, optionally, the duplex communication device 50 that the present embodiment provides, can be applied to FDD (FrequencyDivisionDuplexing, Frequency Division Duplexing (FDD)) technology and TDD (TimeDivisionDuplexing, time division duplex) technology.
Optionally, when being applied to TDD, with reference to shown in Fig. 6, the near-end unit 51 of this duplex communication device 50 also comprises the first time-division switching 5110, far-end unit 52 also comprises the second time-division switching 5211, this first time-division switching 5110 carries out transmitting uplink data or downlink data transmission for controlling the first multiplexer 5101, and this second time-division switching 5211 carries out transmitting uplink data or downlink data transmission for controlling the second multiplexer 5201.
Concrete optional, when applying with FDD, first duplexer 5204 and the second duplexer 5205 can be circulators, for transmission signal and Received signal strength being separated.
Based on the duplex communication device that the present embodiment provides, another embodiment of the present invention provides a kind of duplex communication device, be applied to a kind of Signal Regulation method, with reference to shown in Fig. 7, this duplex communication device 70 comprises near-end unit 71 and far-end unit 72, near-end unit 71 comprises the first multiplexer 7101, clock oscillator 7102, first digital to analog converter 7103, second digital to analog converter 7104, first analog to digital converter 7105, second analog to digital converter 7106, digital signal processor 7107, 3rd amplifier 7108 and the 4th adjustable amplifier 7109, far-end unit 72 comprises the second multiplexer 7201, first frequency converter 7202, second frequency converter 7203, first duplexer 7204, second duplexer 7205, first antenna 7206, second antenna 7207, detect adjuster 7208, first adjustable amplifier 7209, second amplifier 7210.
Concrete, the first transmission signal is generated by digital signal processor 7107 and the first digital to analog converter 7103, the second transmission signal is generated by digital signal processor 7107 and the second digital to analog converter 7104, first transmission signal and the second transmission signal are merged into signal transmission by the first multiplexer 7101 and transfers to the second multiplexer 7201, from the second multiplexer 7201, isolate the first transmission signal and second send signal, second transmission signal is carried out frequency adjustment by the first frequency converter 7202 and generates the second frequency variation signal, the frequency of the second frequency variation signal is made to be in the frequency band of Received signal strength, by detection adjuster 7208 and the first adjustable amplifier 7209, amplification process is carried out to the second frequency variation signal, second frequency variation signal merit is divided into two paths of signals, wherein will directly transfer to the second multiplexer 7201 as the first Received signal strength by a road signal, after another road signal is amplified by the second amplifier 7210, the second Received signal strength is generated by the second frequency converter 7203 regulating frequency, the first multiplexer 7101 is transferred to after first Received signal strength and the second Received signal strength being merged by the second multiplexer 7201, and isolate the first Received signal strength and the second Received signal strength by the first multiplexer 7101, after first Received signal strength is amplified by the 4th adjustable amplifier 7109, respectively analog-to-digital conversion is carried out to the first Received signal strength and the second Received signal strength and generate the first digital signal and the second digital signal, digital signal processor 7107 is utilized to detect the amplitude of the first digital signal and the second digital signal, amplitude difference according to the first digital signal and the second digital signal adjusts the 4th adjustable amplifier 7109, to make by after the 4th adjustable amplifier 7109 amplification, first Received signal strength is identical with the second Received signal strength amplitude, namely make the two-way upward signal power of reception equal.
The duplex communication device that embodiments of the invention provide, signal is sent by obtaining the first transmission signal and second, first transmission signal and second are sent signal and merges into signal transmission, and signal transmission is transferred to far-end unit by a road feeder line by near-end unit, after signal transmission transfers to far-end unit, from signal transmission, isolate the first transmission signal and second send signal, the second frequency sending signal is regulated to generate the second frequency variation signal, send first respectively and send signal and the second frequency variation signal, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
Another embodiment of the present invention provides a kind of duplex communication device, with reference to shown in Fig. 8, this equipment can embed or inherently micro-process computer, such as: the portable equipments such as all-purpose computer, customization machine, mobile phone terminal or purl machine, this duplex communication device 8001 comprises: at least one processor 8011, memory 8012, bus 8013, transmitter 8014 and receiver 8015, and this at least one processor 8011, memory 8012, transmitter 8014 and receiver 8015 are connected by bus 8013 and complete mutual communication.
This bus 8013 can be ISA (IndustryStandardArchitecture, industry standard architecture) bus, PCI (PeripheralComponent, peripheral component interconnect) bus or EISA (ExtendedIndustryStandardArchitecture, extended industry-standard architecture) bus etc.This bus 8013 can be divided into address bus, data/address bus, control bus etc.For ease of representing, only representing with a thick line in Fig. 8, but not representing the bus only having a bus or a type.Wherein:
Memory 8012 is for performing the application code of the present invention program, and the application code performing the present invention program is preserved in memory, and is controlled to perform by processor 8011.
This memory can be the static storage device that read only memory ROM maybe can store the other types of static information and instruction, random access memory ram or the dynamic memory of other types of information and instruction can be stored, also can be EEPROM (Electrically Erasable Programmable Read Only Memo) EEPROM, read-only optical disc CD-ROM or other optical disc storage, laser disc stores and (comprises compression laser disc, laser dish, laser disc, Digital Versatile Disc, Blu-ray Disc etc.), magnetic disk storage medium or other magnetic storage apparatus, or the program code that can be used in carrying or storing the expectation with instruction or data structure form also can by any other medium of computer access, but be not limited thereto.These memories are connected with processor by bus.
Processor 8011 may be a central processing unit 8011 (CentralProcessingUnit, referred to as CPU), or specific integrated circuit (ApplicationSpecificIntegratedCircuit, referred to as ASIC), or be configured to the one or more integrated circuits implementing the embodiment of the present invention.
Processor 8011, for calling the program code in memory 8012, in order to performing the operation of far-end unit and near-end unit in apparatus embodiments corresponding to above-mentioned Fig. 5 or Fig. 6, specifically describing with reference to apparatus embodiments corresponding to Fig. 5 or Fig. 6, repeating no more here.
The duplex communication device that embodiments of the invention provide, signal is sent by obtaining the first transmission signal and second, first transmission signal and second are sent signal and merges into signal transmission, and signal transmission is transferred to far-end unit by a road feeder line by near-end unit, after signal transmission transfers to far-end unit, from signal transmission, isolate the first transmission signal and second send signal, the second frequency sending signal is regulated to generate the second frequency variation signal, send first respectively and send signal and the second frequency variation signal, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
In conjunction with the embodiment that above-mentioned Fig. 1 or Fig. 2 is corresponding, embodiments of the invention provide a kind of signaling method, are applied to the transmitting apparatus described in embodiment corresponding to above-mentioned Fig. 1 or Fig. 2, with reference to shown in Fig. 9, comprise the following steps:
901, obtain first and send signal and the second transmission signal.
Wherein, the first transmission signal is radiofrequency signal, and the second transmission signal is not radiofrequency signal, and radiofrequency signal is the signal having tranmitting frequency.Optionally, in specific implementation, radiofrequency signal has the signal of tranmitting frequency after being through modulation, directly can be sent by antenna.Herein, first to send signal be the signal that directly can be sent by antenna, second send signal be need regulating frequency after the signal that just can send.Further alternative, the second transmission signal can be intermediate-freuqncy signal.
Optionally, baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, the first digital signal is carried out digital-to-analogue conversion and generate the first transmission signal, the second digital signal is carried out digital-to-analogue conversion and generate the second transmission signal.Optionally, because the first transmission signal is radiofrequency signal, power loss is comparatively large in circuit, can send signal carry out amplification process by generate first.
902, the first transmission signal and second are sent signal and merge into signal transmission, and signal transmission is transferred to far-end unit by a road feeder line by near-end unit.
Because the first transmission signal is radiofrequency signal, second transmission signal is non-radiofrequency signal, after two signals merge, can separate again from the signal transmission merged, be merged into a road signal transmission like this and transfer to a far-end unit just needs one road feeder line by remote radio Dan Yuan, decrease the quantity of communication equipment feeder line.Optionally, by multiplexer, the first transmission signal and second can be sent signal and merge into signal transmission.
903, after signal transmission transfers to far-end unit, from signal transmission, isolate the first transmission signal and second send signal.
Optionally, by multiplexer, the first transmission signal and second can be sent signal to separate in the transmission signal.
904, the second frequency sending signal is regulated to generate the second frequency variation signal.
Wherein, the second frequency variation signal is radiofrequency signal.
Optionally, the frequency of clock signal is regulated to generate the first mixed frequency signal, first mixed frequency signal and second are sent signal to carry out Frequency mixing processing and generate the second frequency variation signal, wherein, the frequency of the first mixed frequency signal is the absolute value that the frequency and second of the first transmission signal sends the difference of the frequency of signal.Preferably, the frequency of clock signal can be regulated to generate the first mixed frequency signal by phase discriminator, by frequency mixer, the first mixed frequency signal and second are sent signal and carry out Frequency mixing processing, the frequency and second that the frequency of the second frequency variation signal obtained is the first mixed frequency signal sends the frequency sum of signal.
Further alternative, in step 902, clock signal, the first transmission signal and second can be sent signal and merge into signal transmission, in step 903, clock signal can be isolated in the transmission signal, and then generate the first mixed frequency signal according to clock signal.Preferably, the frequency of the first mixed frequency signal can preset.
Optionally, after generating the second frequency variation signal because in transmitting procedure second send signal power can loss to some extent, the second frequency variation signal can be carried out amplifications and process.Preferably, detect the amplitude that first sends signal, according to the amplitude that first sends signal, the second frequency variation signal is carried out amplitude adjusted, make the amplitude of the second frequency variation signal and the first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.Further, in continuous print signals transmission, the difference of the amplitude of the first transmission signal and the amplitude of the second frequency variation signal can be detected, according to the difference that first sends the amplitude of signal and the amplitude of the second frequency variation signal, amplitude adjusted is carried out to the second frequency variation signal transmitted afterwards.
905, send first respectively and send signal and the second frequency variation signal.
Optionally, the first transmission signal and the second frequency variation signal can be sent respectively with two duplexed antennas, send first by the first antenna and send signal, send the second frequency variation signal by the second antenna.Further alternative, send Signal transmissions to the first antenna by first duplexer by first, by the second duplexer, the second frequency variation signal is transferred to the second antenna.Herein, first duplexer and the second duplexer can be two phase locking units, for will to transmit and Received signal strength is separated.
The signaling method that embodiments of the invention provide, signal is sent by obtaining the first transmission signal and second, first transmission signal and second are sent signal and merges into signal transmission, and signal transmission is transferred to far-end unit by a road feeder line by near-end unit, after signal transmission transfers to far-end unit, from signal transmission, isolate the first transmission signal and second send signal, the second frequency sending signal is regulated to generate the second frequency variation signal, send first respectively and send signal and the second frequency variation signal, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
In conjunction with the embodiment that above-mentioned Fig. 3 or Fig. 4 is corresponding, embodiments of the invention provide a kind of signal acceptance method, are applied to the receiving equipment described in embodiment corresponding to above-mentioned Fig. 3 or Fig. 4, with reference to shown in Figure 10, comprise the following steps:
1001, the first Received signal strength and the second frequency variation signal is received.
Wherein, the first Received signal strength and the second frequency variation signal are radiofrequency signal, and the second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing, and the second Received signal strength is non-radio frequencies signal, and radiofrequency signal is the signal having tranmitting frequency.
Optionally, receive the first Received signal strength by the first antenna, receive the second frequency variation signal by the second antenna.Preferably, the first antenna and the second antenna are duplexed antenna, and the first antenna is for receiving or send the radiofrequency signal do not needed through frequency-conversion processing, and the second antenna is for sending or receive the intermediate-freuqncy signal needed through frequency conversion radio frequency signal generation.
1002, the frequency of the second frequency variation signal is regulated to generate the second Received signal strength.
Optionally, obtain clock signal, the frequency of clock signal is regulated to generate the second mixed frequency signal, second mixed frequency signal and the second frequency variation signal are carried out Frequency mixing processing and generates the second Received signal strength, wherein, the frequency of the second mixed frequency signal is the absolute value of the difference of the frequency of the first Received signal strength and the frequency of the second Received signal strength.Preferably, the frequency of clock signal can be regulated to generate the second mixed frequency signal by phase discriminator, by frequency mixer, the second mixed frequency signal and the second frequency variation signal are carried out Frequency mixing processing, the frequency that the frequency of the second Received signal strength obtained is the second frequency variation signal deducts the difference of the frequency of the second mixed frequency signal.Preferably, for duplex communication device, the description of step 904 in the embodiment of composition graphs 9 correspondence, can obtain clock signal in the signal transmission that is merged into of transmitting.
Further alternative, before the frequency of adjustment second frequency variation signal, can carry out amplitude adjusted to the second frequency variation signal, be that the absolute value of the amplitude of the second frequency variation signal and the difference of predetermined amplitude is less than predetermined threshold value.Preferably, for duplex communication device, the description of step 904 in the embodiment of composition graphs 9 correspondence, for the radiofrequency signal in transmitting, the amplitude of this radiofrequency signal can be detected, using the amplitude of this radiofrequency signal as predetermined threshold value, and then amplitude adjusted is carried out to the second frequency variation signal.
1003, the first Received signal strength and the second Received signal strength are merged into signal transmission, and signal transmission is transferred to near-end unit by a road feeder line by far-end unit.
Optionally, by multiplexer, the first Received signal strength and the second Received signal strength can be merged into signal transmission.Because the first Received signal strength is radiofrequency signal, second Received signal strength is non-radiofrequency signal, after two signals merge, can separate again from the signal transmission merged, be merged into a road signal transmission like this and transfer to a far-end unit just needs one road feeder line by remote radio Dan Yuan, decrease the quantity of communication equipment feeder line.
1004, after signal transmission transfers to near-end unit, from signal transmission, the first Received signal strength and the second Received signal strength is isolated.
Optionally, by multiplexer, the first Received signal strength and the second Received signal strength can be separated from signal transmission.
Further alternative, the first Received signal strength and the second Received signal strength are carried out analog-to-digital conversion and generates the first digital signal and the second digital signal, the first digital signal and the second digital signal are carried out digital signal modulated and generate baseband signal.Wherein, optionally, before the first Received signal strength carries out analog-to-digital conversion, amplification process can be carried out to the first Received signal strength.
The signal acceptance method that embodiments of the invention provide, by receiving the first Received signal strength and the second frequency variation signal, the frequency of the second frequency variation signal is regulated to generate the second Received signal strength, first Received signal strength and the second Received signal strength are merged into signal transmission, and signal transmission is transferred to near-end unit by a road feeder line by far-end unit, after signal transmission transfers to near-end unit, the first Received signal strength and the second Received signal strength is isolated from signal transmission, feeder line quantity in communication equipment can be reduced, reduce the cost of communication equipment.
Through the above description of the embodiments, those skilled in the art can be well understood to the present invention can use hardware implementing, or firmware realizes, or their compound mode realizes.When implemented in software, above-mentioned functions can be stored in computer-readable medium or as the one or more instruction on computer-readable medium or code and transmit.Computer-readable medium comprises computer-readable storage medium and communication media, and wherein communication media comprises any medium being convenient to transmit computer program from a place to another place.Storage medium can be any usable medium that computer can access.As example but be not limited to: computer-readable medium can comprise RAM (RandomAccessMemory, random asccess memory), ROM (ReadOnlyMemory, read-only memory), EEPROM (ElectricallyErasableProgrammableReadOnlyMemory, EEPROM (Electrically Erasable Programmable Read Only Memo)), CD-ROM (CompactDiscReadOnlyMemory, i.e. read-only optical disc) or other optical disc storage, magnetic disk storage medium or other magnetic storage apparatus, or the program code that can be used in carrying or storing the expectation with instruction or data structure form also can by any other medium of computer access.In addition.Any connection can be suitable become computer-readable medium.Such as, if software uses coaxial cable, optical fiber cable, twisted-pair feeder, DSL (DigitalSubscriberLine, digital subscriber line) or the wireless technology of such as infrared ray, radio and microwave and so on from website, server or other remote source, so the wireless technology of coaxial cable, optical fiber cable, twisted-pair feeder, DSL or such as infrared ray, wireless and microwave and so on be included in affiliated medium fixing in.As used in the present invention, plate and dish comprises CD (CompactDisc, compression laser disc), laser dish, laser disc, DVD dish (DigitalVersatileDisc, digital universal light), floppy disk and Blu-ray Disc, the copy data of the usual magnetic of its mid-game, dish then carrys out the copy data of optics with laser.Combination above also should be included within the protection range of computer-readable medium.
The above; be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; change can be expected easily or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should described be as the criterion with the protection range of claim.

Claims (25)

1. a transmitting apparatus, is characterized in that, comprising: near-end unit and far-end unit, and wherein, described near-end unit comprises mixer, and described far-end unit comprises splitter, frequency converter, the first antenna and the second antenna;
Described mixer, signal is sent for obtaining the first transmission signal and second, described first transmission signal and described second are sent signal and merges into signal transmission, and described signal transmission is transferred to described splitter by a road feeder line, wherein, described first transmission signal is radiofrequency signal, and described second transmission signal is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described splitter, for receiving the described signal transmission of described mixer transmission, from described signal transmission, isolate described first send signal and described second transmission signal, send Signal transmissions to the first antenna by described first, send Signal transmissions by described second to described frequency converter;
Described frequency converter, for receiving the transmission of described splitter described second sends signal, regulates the described second frequency sending signal to generate the second frequency variation signal, described second frequency variation signal is transferred to described second antenna, wherein, described second frequency variation signal is radiofrequency signal;
Described first antenna, for receiving the transmission of described splitter described first sends signal, and sends described first transmission signal;
Described second antenna, for receiving described second frequency variation signal of described frequency converter transmission, and sends described second frequency variation signal.
2. equipment according to claim 1, is characterized in that, described far-end unit also comprises detection adjuster and the first amplifier;
Described detection adjuster, for detecting the amplitude that described first sends signal;
Described first amplifier, for sending the amplitude of signal according to described first of described detection adjuster detection, described second frequency variation signal is carried out amplitude adjusted, makes the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
3. will remove the equipment described in 1 or 2 according to right, it is characterized in that, described near-end unit also comprises clock oscillator;
Described clock oscillator, for generated clock signal, by described clock signal transmission to described mixer;
Described mixer, also for receiving the described clock signal of described clock oscillator transmission, sending signal merge into described signal transmission by described clock signal, described first transmission signal and described second;
Described splitter, also sends signal and described second transmission signal, by described clock signal transmission to described frequency converter for isolating described clock signal, described first from described signal transmission;
Described frequency converter, also for receiving the described clock signal of described splitter transmission, the frequency of described clock signal is regulated to generate the first mixed frequency signal, described first mixed frequency signal and described second are sent signal to carry out Frequency mixing processing and generate described second frequency variation signal, wherein, the frequency of described first mixed frequency signal is the absolute value that the described first frequency and described second sending signal sends the difference of the frequency of signal.
4. the equipment according to any one of claim 1-3, is characterized in that, described near-end unit also comprises digital signal processor, the first digital to analog converter and the second digital to analog converter;
Described digital signal processor, for obtaining baseband signal, described baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, by described first digital data transmission to described first digital to analog converter, by described second digital data transmission to described second digital to analog converter;
Described first digital to analog converter, for receiving described first digital signal of described digital signal processor transmission, carrying out digital-to-analogue conversion and generating described first transmission signal by described first digital signal;
Described second digital to analog converter, for receiving described second digital signal of described digital signal processor transmission, carrying out digital-to-analogue conversion and generating described second transmission signal by described second digital signal.
5. the equipment according to any one of claim 1-4, is characterized in that, described near-end unit also comprises the second amplifier;
Described second amplifier, carries out amplification process for sending signal by described first.
6. a receiving equipment, is characterized in that, comprising: far-end unit and near-end unit, and described far-end unit comprises mixer, frequency converter, the first antenna and the second antenna, and described near-end unit comprises splitter;
Described first antenna, for receiving the first Received signal strength, described first Received signal strength is transferred to described mixer, described first Received signal strength is radiofrequency signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described second antenna, for receiving the second frequency variation signal, described second frequency variation signal is transferred to described frequency converter, described second frequency variation signal is radiofrequency signal, and described second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing;
Described frequency converter, for receiving described second frequency variation signal of described second antenna transmission, regulating the frequency of described second frequency variation signal to generate described second Received signal strength, and described second Received signal strength is transferred to described mixer;
Described mixer, for described second Received signal strength that described first Received signal strength and described frequency converter that receive described first antenna transmission transmit, described first Received signal strength and described second Received signal strength are merged into signal transmission, and described signal transmission is transferred to described splitter by a road feeder line;
Described splitter, for receiving the described signal transmission of described mixer transmission, isolates described first Received signal strength and described second Received signal strength from described signal transmission.
7. equipment according to claim 6, is characterized in that, described far-end unit also comprises the first amplifier;
Described first amplifier, for described second frequency variation signal is carried out amplitude adjusted, makes the absolute value of the described amplitude of the second frequency variation signal and the difference of predetermined amplitude be less than predetermined threshold value.
8. the equipment according to claim 6 or 7, is characterized in that,
Described frequency converter, also for obtaining clock signal, the frequency of described clock signal is regulated to generate the second mixed frequency signal, described second mixed frequency signal and described second frequency variation signal are carried out Frequency mixing processing and generates described second Received signal strength, wherein, the frequency of described second mixed frequency signal is the absolute value of the difference of the frequency of described first Received signal strength and the frequency of described second Received signal strength.
9. the equipment according to any one of claim 6-8, is characterized in that, described near-end unit also comprises the first analog to digital converter, the second analog to digital converter and digital signal processor;
Described first analog to digital converter, described first Received signal strength for described demultiplexer separates being gone out carries out analog-to-digital conversion and generates the first digital signal, and by described first digital data transmission to described digital signal processor;
Described second analog to digital converter, described second Received signal strength for described demultiplexer separates being gone out carries out analog-to-digital conversion and generates the second digital signal, and by described second digital data transmission to described digital signal processor;
Described digital signal processor, for described second digital signal that described first digital signal and described second analog to digital converter that receive described first analog to digital converter transmission are transmitted, described first digital signal and described second digital signal are carried out digital demodulation signal and generate baseband signal.
10. the equipment according to any one of claim 6-9, is characterized in that, described near-end unit also comprises the second amplifier;
Described second amplifier, described first Received signal strength for described demultiplexer separates being gone out carries out amplification process.
11. 1 kinds of duplex communication device, it is characterized in that, comprise near-end unit and far-end unit, described near-end unit comprises the first multiplexer, and described far-end unit comprises the second multiplexer, the first frequency converter, the second frequency converter, first duplexer, the second duplexer, the first antenna and the second antenna;
Wherein, described first multiplexer, for when described duplex communication device sends signal, obtain first and send signal and the second transmission signal, described first transmission signal and described second are sent signal and merges into signal transmission, and described signal transmission is transferred to described second multiplexer by a road feeder line, wherein, described first transmission signal is radiofrequency signal, and described second transmission signal is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described second multiplexer, for when described duplex communication device sends signal, receive the described signal transmission of described first multiplexer transmission, from described signal transmission, isolate described first send signal and described second transmission signal, send Signal transmissions by described first to first duplexer, send Signal transmissions by described second to described first frequency converter;
Described first frequency converter, for receiving described second multiplexer transmission described second sends signal, regulates the described second frequency sending signal to generate the second frequency variation signal, described second frequency variation signal is transferred to described second duplexer, wherein, described second frequency variation signal is radiofrequency signal;
Described first duplexer, for when described duplex communication device sends signal, receive described second multiplexer transmission described first sends signal, is opened by the Signal separator that described first sends signal and reception, and sends Signal transmissions to described first antenna by described first;
Described first antenna, for when described duplex communication device sends signal, receives described first of described first duplexer transmission and sends signal and send described first transmission signal;
Described second duplexer, for when described duplex communication device sends signal, receive described second frequency variation signal of described first frequency converter transmission, the Signal separator of described second frequency variation signal and reception is opened, and described second frequency variation signal is transferred to described second antenna;
Described second antenna, for when described duplex communication device sends signal, receives described second frequency variation signal of described second duplexer transmission and sends described second frequency variation signal;
Or,
Described first antenna, for when described duplex communication device Received signal strength, receive the first Received signal strength, described first Received signal strength is transferred to described first duplexer, described first Received signal strength is radiofrequency signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described first duplexer, for when described duplex communication device Received signal strength, receive described first Received signal strength of described first antenna transmission, the Signal separator of described first Received signal strength and transmission is opened, and described first Received signal strength is transferred to described second multiplexer;
Described second antenna, for when described duplex communication device Received signal strength, receive the second frequency variation signal, described second frequency variation signal is transferred to described second duplexer, described second frequency variation signal is radiofrequency signal, and described second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing;
Described second duplexer, for when described duplex communication device Received signal strength, receive described second frequency variation signal of described second antenna transmission, the Signal separator of described second frequency variation signal and transmission is opened, and described second frequency variation signal is transferred to described second frequency converter;
Described second frequency converter, for receiving described second frequency variation signal of described second duplexer transmission, regulating the frequency of described second frequency variation signal to generate described second Received signal strength, and described second Received signal strength is transferred to described second multiplexer;
Described second multiplexer, for when described duplex communication device Received signal strength, receive described first Received signal strength of described first duplexer transmission and described second Received signal strength of described second frequency converter transmission, described first Received signal strength and described second Received signal strength are merged into signal transmission, and described signal transmission is transferred to described first multiplexer by a road feeder line;
Described first multiplexer, for when described duplex communication device Received signal strength, receives the described signal transmission of described second multiplexer transmission, isolates described first Received signal strength and described second Received signal strength from described signal transmission.
12. equipment according to claim 11, is characterized in that, described far-end unit also comprises detection adjuster, the first adjustable amplifier and the second adjustable amplifier;
Described detection adjuster, for when described duplex communication device sends signal, detects the amplitude that described first sends signal;
Described first adjustable amplifier, for when described duplex communication device sends signal, according to the amplitude of the described first transmission signal that described detection adjuster detects, described second frequency variation signal is carried out amplitude adjusted, makes the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value;
Described second adjustable amplifier, for when described duplex communication device Received signal strength, according to the amplitude of the described first transmission signal that described detection adjuster detects, described second frequency variation signal is carried out amplitude adjusted, makes the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
13. equipment according to claim 11 or 12, it is characterized in that, described near-end unit, also comprises clock oscillator;
Described clock oscillator, for generated clock signal, by described clock signal transmission to described first multiplexer;
Described first multiplexer, for when described duplex communication device sends signal, receives the described clock signal of described clock oscillator transmission, and described clock signal, described first transmission signal and described second are sent signal and merge into described signal transmission;
Described second multiplexer, also for when described duplex communication device sends signal, from described signal transmission, isolate described clock signal, described first send signal and described second transmission signal, by described clock signal transmission to described first frequency converter and described second frequency converter;
Described first frequency converter, also for when described duplex communication device sends signal, receive the described clock signal of described second multiplexer transmission, the frequency of described clock signal is regulated to generate the first mixed frequency signal, described first mixed frequency signal and described second are sent signal to carry out Frequency mixing processing and generate described second frequency variation signal, wherein, the frequency of described first mixed frequency signal is the absolute value that the described first frequency and described second sending signal sends the difference of the frequency of signal;
Described second frequency converter, also for when described duplex communication device Received signal strength, receive the described clock signal of described second multiplexer transmission, the frequency of described clock signal is regulated to generate the second mixed frequency signal, described second mixed frequency signal and described second frequency variation signal are carried out Frequency mixing processing and generates described second Received signal strength, wherein, the frequency of described second mixed frequency signal is the absolute value of the difference of the frequency of described first Received signal strength and the frequency of described second Received signal strength.
14. equipment according to any one of claim 11-13, it is characterized in that, described near-end unit also comprises the first digital to analog converter, the second digital to analog converter, the first analog to digital converter, the second analog to digital converter and digital signal processor;
Described digital signal processor, for when described duplex communication device sends signal, obtain baseband signal, described baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal, by described first digital data transmission to described first digital to analog converter, by described second digital data transmission to described second digital to analog converter;
Described first digital to analog converter, for when described duplex communication device sends signal, receives described first digital signal of described digital signal processor transmission, described first digital signal is carried out digital-to-analogue conversion and generates described first transmission signal;
Described second digital to analog converter, for when described duplex communication device sends signal, receives described second digital signal of described digital signal processor transmission, described second digital signal is carried out digital-to-analogue conversion and generates described second transmission signal;
Described first analog to digital converter, for when described duplex communication device Received signal strength, isolated described first Received signal strength of described first multiplexer is carried out analog-to-digital conversion and generates the first digital signal, and by described first digital data transmission to described digital signal processor;
Described second analog to digital converter, for when described duplex communication device Received signal strength, isolated described second Received signal strength of described first multiplexer is carried out analog-to-digital conversion and generates the second digital signal, and by described second digital data transmission to described digital signal processor;
Described digital signal processor, also for when described duplex communication device Received signal strength, receive described first digital signal of described first analog to digital converter transmission and described second digital signal of described second analog to digital converter transmission, described first digital signal and described second digital signal are carried out digital demodulation signal and generate baseband signal.
15. equipment according to any one of claim 11-14, it is characterized in that, described near-end unit also comprises the 3rd amplifier and the 4th amplifier;
Described 3rd amplifier, for when described duplex communication device sends signal, sends signal and carries out amplification process by described first;
Described 4th amplifier, for when described duplex communication device Received signal strength, carries out amplification process by described first Received signal strength.
16. 1 kinds of signaling methods, is characterized in that, comprising:
Obtain first and send signal and the second transmission signal, wherein, described first transmission signal is radiofrequency signal, and described second transmission signal is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
Described first transmission signal and described second are sent signal and merges into signal transmission, and described signal transmission is transferred to far-end unit by a road feeder line by near-end unit;
After described signal transmission transfers to far-end unit, from described signal transmission, isolate described first send signal and described second transmission signal;
Regulate the described second frequency sending signal to generate the second frequency variation signal, wherein, described second frequency variation signal is radiofrequency signal;
Send described first respectively and send signal and described second frequency variation signal.
17. methods according to claim 16, is characterized in that, the frequency that described adjustment described second sends signal also comprises after generating the second frequency variation signal:
Detect the amplitude that described first sends signal, according to the amplitude that described first sends signal, described second frequency variation signal is carried out amplitude adjusted, make the amplitude of described second frequency variation signal and the described first absolute value sending the difference of the amplitude of signal be less than predetermined threshold value.
18. methods according to claim 16 or 17, is characterized in that, the described signal and described second that sends described first sends signal and merges into signal transmission, comprising:
Obtain clock signal, described clock signal, described first transmission signal and described second are sent signal and merge into described signal transmission;
After described signal transmission transfers to far-end unit, from described signal transmission, isolate described first send signal and described second transmission signal, comprising:
After described signal transmission transfers to far-end unit, from described signal transmission, isolate described clock signal, described first send signal and described second transmission signal;
The frequency of described the second transmission signal according to the frequency adjustment of described first transmission signal, and generate the second frequency variation signal, comprising:
The frequency of described clock signal is regulated to generate the first mixed frequency signal, described first mixed frequency signal and described second are sent signal to carry out Frequency mixing processing and generate described second frequency variation signal, wherein, the frequency of described first mixed frequency signal is the absolute value that the described first frequency and described second sending signal sends the difference of the frequency of signal.
19. methods according to any one of claim 16-18, is characterized in that, described acquisition first sends signal and second and sends signal, comprising:
Obtain baseband signal, described baseband signal is carried out digital signal modulated and generate the first digital signal and the second digital signal;
Described first digital signal is carried out digital-to-analogue conversion and generate described first transmission signal, described second digital signal is carried out digital-to-analogue conversion and generate described second transmission signal.
20. methods according to any one of claim 16-19, is characterized in that, described acquisition first sends after signal and second sends signal, also comprises:
Send signal by described first and carry out amplification process.
21. 1 kinds of signal acceptance methods, is characterized in that, comprising:
Receive the first Received signal strength and the second frequency variation signal, wherein, described first Received signal strength and described second frequency variation signal are radiofrequency signal, described second frequency variation signal is the signal that the second Received signal strength is generated by Frequency mixing processing, described second Received signal strength is non-radio frequencies signal, and described radiofrequency signal is the signal having tranmitting frequency;
The frequency of described second frequency variation signal is regulated to generate described second Received signal strength;
Described first Received signal strength and described second Received signal strength are merged into signal transmission, and described signal transmission is transferred to near-end unit by a road feeder line by far-end unit;
After described signal transmission transfers to near-end unit, from described signal transmission, isolate described first Received signal strength and described second Received signal strength.
22. methods according to claim 21, is characterized in that, after described reception first Received signal strength and the second frequency variation signal, also comprise:
Described second frequency variation signal is carried out amplitude adjusted, makes the absolute value of the described amplitude of the second frequency variation signal and the difference of predetermined amplitude be less than predetermined threshold value.
23. methods according to claim 21 or 22, it is characterized in that, the frequency of described second frequency variation signal of described adjustment generates the second Received signal strength, comprising:
Obtain clock signal, the frequency of described clock signal is regulated to generate the second mixed frequency signal, described second mixed frequency signal and described second frequency variation signal are carried out Frequency mixing processing and generates described second Received signal strength, wherein, the frequency of described second mixed frequency signal is the absolute value of the difference of the frequency of described first Received signal strength and the frequency of described second Received signal strength.
24. methods according to any one of claim 21-23, is characterized in that, described from described signal transmission, isolate described first Received signal strength and described second Received signal strength after, also comprise:
Described first Received signal strength is carried out analog-to-digital conversion and generates the first digital signal, described second Received signal strength is carried out analog-to-digital conversion and generates the second digital signal;
Described first digital signal and described second digital signal are carried out digital demodulation signal and generate baseband signal.
25. methods according to any one of claim 21-24, is characterized in that, described from described signal transmission, isolate described first Received signal strength and described second Received signal strength after, also comprise:
Described first Received signal strength is carried out amplification process.
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