CN109565299A - The backhaul link with reference signal for distributing antenna system - Google Patents

The backhaul link with reference signal for distributing antenna system Download PDF

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Publication number
CN109565299A
CN109565299A CN201780048318.9A CN201780048318A CN109565299A CN 109565299 A CN109565299 A CN 109565299A CN 201780048318 A CN201780048318 A CN 201780048318A CN 109565299 A CN109565299 A CN 109565299A
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China
Prior art keywords
signal
modulated signal
frequency
carrier frequency
spectral slice
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Application number
CN201780048318.9A
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Chinese (zh)
Inventor
P·S·亨利
F·巴泽加尔
G·布兰迪诺
I·吉尔斯伯格
D·J·巴尼科尔
T·M·威利斯三世
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AT&T Intellectual Property I LP
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AT&T Intellectual Property I LP
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Priority claimed from US15/179,204 external-priority patent/US10009065B2/en
Application filed by AT&T Intellectual Property I LP filed Critical AT&T Intellectual Property I LP
Publication of CN109565299A publication Critical patent/CN109565299A/en
Pending legal-status Critical Current

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Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2575Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752Optical arrangements for wireless networks
    • H04B10/25758Optical arrangements for wireless networks between a central unit and a single remote unit by means of an optical fibre
    • H04B10/25759Details of the reception of RF signal or the optical conversion before the optical fibre
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/38Transceivers, 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
    • H04B1/40Circuits
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B10/00Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
    • H04B10/25Arrangements specific to fibre transmission
    • H04B10/2575Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
    • H04B10/25752Optical arrangements for wireless networks
    • H04B10/25753Distribution optical network, e.g. between a base station and a plurality of remote units
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines
    • H04B3/542Systems for transmission via power distribution lines the information being in digital form
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B7/00Radio transmission systems, i.e. using radiation field
    • H04B7/14Relay systems
    • H04B7/15Active relay systems
    • H04B7/155Ground-based stations
    • H04B7/15507Relay station based processing for cell extension or control of coverage area
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W16/00Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24Cell structures
    • H04W16/26Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W88/00Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/08Access point devices
    • H04W88/085Access point devices with remote components
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01QANTENNAS, i.e. RADIO AERIALS
    • H01Q1/00Details of, or arrangements associated with, antennas
    • H01Q1/12Supports; Mounting means
    • H01Q1/22Supports; Mounting means by structural association with other equipment or articles
    • H01Q1/24Supports; Mounting means by structural association with other equipment or articles with receiving set
    • H01Q1/241Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM
    • H01Q1/246Supports; Mounting means by structural association with other equipment or articles with receiving set used in mobile communications, e.g. GSM specially adapted for base stations
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B1/00Details 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
    • H04B1/02Transmitters
    • H04B1/04Circuits
    • H04B1/0475Circuits with means for limiting noise, interference or distortion
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2203/00Indexing scheme relating to line transmission systems
    • H04B2203/54Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5429Applications for powerline communications
    • H04B2203/5441Wireless systems or telephone
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B2203/00Indexing scheme relating to line transmission systems
    • H04B2203/54Aspects of powerline communications not already covered by H04B3/54 and its subgroups
    • H04B2203/5462Systems for power line communications
    • H04B2203/5479Systems for power line communications using repeaters
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/52Systems for transmission between fixed stations via waveguides
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04BTRANSMISSION
    • H04B3/00Line transmission systems
    • H04B3/54Systems for transmission via power distribution lines

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Power Engineering (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Cable Transmission Systems, Equalization Of Radio And Reduction Of Echo (AREA)

Abstract

A kind of spaced antenna and back haul system provide the network connection for being used for small cell deployment.Instead of constructing new structure and installing additional optical fiber and cable, embodiment described herein is disclosed using high bandwidth, millimetre-wave attenuator.Backhaul connection can also be provided using aerial millimeter-wave systems.Each module can be placed into the existing infrastructure such as street lamp and electric pole, and these modules may include for from other modules transmitting millimeter wave base station and antenna.Uplink signal and down link signal (that is, being directed to the signal that base station/from base station is directed to communication node from communication node) can be divided by frequency spectrum: control channel;Uplink/downlink spectral slice, these spectral slices respectively include modulated signal, and the modulated signal can be converted to its original/intrinsic frequency band so that communication node can be communicated with one or more mobile devices or static equipment;And pilot signal, these pilot signals can be supplied with some or all of these spectral slices, to mitigate the distortion generated between the communication node.The pilot signal can be handled by the transceiver of uplink communication node and downlink communication node, so as to the removal distortion (for example, phase distortion) from reception signal.

Description

The backhaul link with reference signal for distributing antenna system
Cross reference to related applications
This application claims the priority for the U.S. Patent Application Serial Number 15/179,204 submitted on June 10th, 2016. All parts of above-mentioned U.S. Patent application are combined herein in its entirety by reference.
Technical field
This theme disclosure content is related to wirelessly communicating, and relate more specifically to provide backhaul be connected to spaced antenna and Base station.
Background technique
As smart phone and other portable devices become increasingly prevalent, and data use sharply increases, macro small Area's base station equipment and existing radio infrastructure have been unable to satisfy demand.In order to provide additional mobile bandwidth, just seeking slight Area's deployment, wherein Microcell and picocell provide the covering for being directed to the region more much smaller than traditional macrocell, but expense compared with It is high.
Detailed description of the invention
Fig. 1 is the example, non-limiting embodiment for illustrating the distributing antenna system according to various aspects described herein Block diagram.
Fig. 2 is the frame for illustrating the example, non-limiting embodiment of the back haul system according to various aspects described herein Figure.
Fig. 3 is the example, non-limiting embodiment for illustrating the distributing antenna system according to various aspects described herein Block diagram.
Fig. 4 is the example, non-limiting embodiment for illustrating the distributing antenna system according to various aspects described herein Block diagram.
Fig. 5 is the frame for illustrating the example, non-limiting embodiment of the back haul system according to various aspects described herein Figure.
Fig. 6 is the frame for illustrating the example, non-limiting embodiment of the back haul system according to various aspects described herein Figure.
Fig. 7 is the frame for illustrating the example, non-limiting embodiment of the quasi-optical coupling according to various aspects described herein Figure.
Fig. 8 is the frame for illustrating the example, non-limiting embodiment of the back haul system according to various aspects described herein Figure.
Fig. 9 is the example, non-limiting implementation for illustrating the millimeter band antenna arrangement according to various aspects described herein The block diagram of example.
Figure 10 is the example, non-limiting embodiment for illustrating the underground back haul system according to various aspects described herein Block diagram.
Figure 11 illustrates the example, non-limiting embodiment of the method for providing backhaul connection as described herein Flow chart.
Figure 12 is the block diagram according to the example, non-limiting embodiment of the calculating environment of various aspects described herein.
Figure 13 is the block diagram according to the example, non-limiting embodiment of the mobile network platform of various aspects described herein.
Figure 14 A is the frame for illustrating the example, non-limiting embodiment of the communication system according to various aspects described herein Figure.
Figure 14 B is the non-limit of example for illustrating a part of Figure 14 A communication system according to various aspects described herein The block diagram of property embodiment processed.
Figure 14 C to Figure 14 D is the communication node for illustrating Figure 14 A communication system according to various aspects described herein The block diagram of example, non-limiting embodiment.
Figure 15 A is illustrated according to various aspects described herein for enabling base station to be led to communication node The figure schematic diagram of the example, non-limiting embodiment of the downlink and uplink communication technology of letter.
Figure 15 B is the frame for illustrating the example, non-limiting embodiment of the communication node according to various aspects described herein Figure.
Figure 15 C is the frame for illustrating the example, non-limiting embodiment of the communication node according to various aspects described herein Figure.
Figure 15 D is the figure letter for the example, non-limiting embodiment for illustrating the frequency spectrum according to various aspects described herein Figure.
Figure 15 E is the figure letter for the example, non-limiting embodiment for illustrating the frequency spectrum according to various aspects described herein Figure.
Figure 15 F is the figure letter for the example, non-limiting embodiment for illustrating the frequency spectrum according to various aspects described herein Figure.
Figure 15 G is the figure letter for the example, non-limiting embodiment for illustrating the frequency spectrum according to various aspects described herein Figure.
Figure 15 H is the frame for illustrating the example, non-limiting embodiment of the transmitter according to various aspects described herein Figure.
Figure 15 I is the frame for illustrating the example, non-limiting embodiment of the receiver according to various aspects described herein Figure.
Figure 16 A illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 B illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 C illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 D illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 E illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 F illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 G illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 H illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 I illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 J illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Figure 16 K illustrates the flow chart of the example, non-limiting embodiment of the method according to various aspects described herein.
Specific embodiment
One or more embodiments are described referring now to the drawings, wherein similar appended drawing reference is throughout used to refer to phase As element.In the following description, for purposes of explanation, numerous details are elaborated, in order to provide to each embodiment Thorough understanding.It may be evident, however, that each embodiment (and can not apply to any specific in these details Net environment or standard) in the case where practiced.
In order to provide network connection to addition of base station, Microcell and macrocell are linked to the backhaul network phase of mobile network It extends with answering.Since the available bandwidth under conventional frequency is limited, therefore, it is difficult to provide wireless backhaul connection.Optical fiber and cable tool Have bandwidth, but due to the distributed nature of small cell deployment, install these connections may cost it is very high.
With these considerations and other considerations, in one or more embodiments, a kind of system includes: memory, is used In store instruction;And processor, the memory is communicatively coupled to promote to execute described instruction thereby executing operation, institute Stating operation includes promoting to receive via received first guided wave of power line and first guided wave being transformed into electron emission.Institute Stating operation further includes promoting the electronic signal determined according to the electron emission being emitted to base station equipment.The operation can be with Including the electron emission is transformed into the second guided wave, and promote to emit second guided wave via the power line.
Another embodiment includes: memory, for storing instruction;And processor, it is communicatively coupled to the storage For device to promote to execute described instruction thereby executing operation, the operation includes promoting to receive to come from the first radio relay repeater equipment First transmitting.The operation may include guiding second to be emitted to the second radio relay repeater equipment, wherein first hair It penetrates with second transmitting under at least about frequency of 57GHz.The operation further includes determining electricity according to first transmitting Subsignal and the electronic signal is directed to base station equipment.
In another embodiment, a kind of method includes: to receive the first table via power line by the equipment comprising processor Surface wave emits and first surface wave transmitting is transformed into electron emission.The method can also include: from the electronics Signal of communication is extracted in transmitting and sends base station equipment for the signal of communication.The method can also include: will be described Electron emission is emitted through power line as second surface wave to be emitted, wherein first surface wave transmitting and described The transmitting of second surface wave is under at least frequency of 30GHz.
Each embodiment described herein is related to a kind of providing distributing antenna system for small cell deployment and/or being small Cell deployment provides the system of backhaul connection.It is described herein instead of constructing new structure and installing additional optical fiber and cable Embodiment disclose using high bandwidth, millimetre-wave attenuator and existing power line infrastructure.Above via power line and sighting distance The terrestrial backhaul of millimeter wave band signal connects and can provide and be connected to via the underground backhaul connection of buried electrician's pipeline Distributed base station.
In embodiment, aerial millimeter-wave systems can be used to provide backhaul connection.Modules can be placed to In the existing infrastructure such as street lamp and electric pole, and these modules may include for emitting milli to from other modules The base station of metric wave and antenna.One of module or node in network can be by optical fiber/cables or by standard 57GHz extremely The line-of-sight microwave link of 64GHz connects and is communicatively coupled to be physically connected to the macrocell website of mobile network.
In another embodiment, base-station node may be mounted on electric pole, and backhaul connection can be by transmitter It provides, these transmitters send the transmitting of millimeter wave frequency band surface wave via the power line between each node.Can also will have There is the single website of one or more base stations to be emitted through power line via surface wave and be connected to distributing antenna system, wherein Cellular antenna is located at each node.In another embodiment, underground piping can be used to emit guided wave, wherein the wave It is propagated in white space between pipeline and power line.Dector and base station can be placed in existing transformer tank.
Turning now to Fig. 1, diagram is non-according to the example of the distributing antenna system 100 of various aspects described herein Restricted embodiment.
Distributing antenna system 100 include be communicatively coupled to macrocell website 102 one or more base stations (for example, Base station equipment 104).Base station equipment 104 can be connected to macro by optical fiber and/or cable or by microwave wireless Cell site 102.Macrocell (such as macrocell website 102) can have the dedicated company of mobile network and base station equipment 104 It connects, the connection for leaving macrocell 102 can be carried.Base station equipment 104 be may be mounted at or be attached on electric pole 116.At it In his embodiment, base station equipment 104 can be near transformer and/or near the other positions being located near power line.
Base station equipment 104 can provide the connection for mobile device 122 and 124.On electric pole 118 and 120 or it Nearby install antenna 112 and 114 can from base station equipment 104 receive signal and by those signals than 112 He of antenna 114 be located at or near base station equipment 104 in the case where on much broader region transmitting to mobile device 122 and 124.
It is to be appreciated that for purposes of clarity, Fig. 1 shows three electric poles, there is a base station equipment.? In other embodiments, electric pole 116 can have more base station equipments, and one or more electricity with spaced antenna Line bar is possible.
Transmitting station 106 can be set signal from base station by connecting (multiple) power line of electric pole 116,118 and 120 Standby 104 emit to antenna 112 and 114.In order to emit signal, transmitting station 106 up-converts to the signal from base station equipment 104 Millimeter wave band signal, and transmitting station 106 may include taper transceiver (illustrating in greater detail in Fig. 3), the taper The millimeter wave frequency band surface wave that Transceiver Transmit is propagated as the guided wave advanced along conducting wire.At electric pole 118, repeater 108 receiving surface waves and it can be amplified and by its on power line before to transmission.Repeater 108 can also be from milli Extracted in metric wave frequency band surface wave signal and in frequency by the signal downshift to its original cellular frequency band (for example, 1.9GHz).Antenna can emit the signal through downshift to mobile device 122.It can be by repeater 110, antenna 114 and movement Equipment 124 repeats the process.
The transmitting from mobile device 122 and 124 can also be received by antenna 112 and 114 respectively.Repeater 108 and 110 It can be by cellular band signals upshift to millimeter wave frequency band (for example, 60GHz is to 110GHz) and using the signal as surface Wave is emitted through (multiple) power line and emits to base station equipment 104.
Turning now to Fig. 2, it is unrestricted according to the example of the back haul system 200 of various aspects described herein to show diagram The block diagram of property embodiment.Embodiment shown in Figure 2 the difference from Fig. 1 is that: it is in one place instead of having Base station equipment and have the distributing antenna system of remote antenna, base station equipment itself is distributed across the system, and Backhaul connection is to be emitted through power line by surface wave to provide.
System 200 includes the RF tune that network connection is received via the physics or wireless connection to network infrastructure Modulator-demodulator 202.The network connection can be connected via optical fiber and/or cable or by high bandwidth microwave.RF modulatedemodulate It adjusts device to can receive the network connection and it is handled to distribute to base station equipment 204 and 206.RF modem 202 can be used the agreements such as DOCSIS to modulate millimeter wave band transmission, and signal is exported to transmitting station 208.Hair Penetrating platform 208 may include cone (illustrating in greater detail in Fig. 5), the emission cone as the guided wave advanced along conducting wire and The millimeter wave frequency band surface wave of propagation.
At electric pole 216,210 receiving surface wave of repeater and it can be amplified and be passed through power line Forward direction is sent to repeater 212.Repeater 210 can also include modem, and the modem is mentioned from surface wave The number of winning the confidence simultaneously exports signal to base station equipment 204.Then, backhaul connection can be used to promote and movement in base station equipment 204 Equipment 220 is communicated.
Repeater 212 can receive the millimeter wave frequency band surface wave transmitting sent by repeater 210, and via modulatedemodulate It adjusts device to extract signal, and the signal is exported to can promote the base station equipment 206 communicated with mobile device 222.It returns Journey connection also can be reversed work, wherein and the transmitting from mobile device 220 and 222 is received by base station equipment 204 and 206, Communication is forwarded to repeater 210 and 212 via backhaul network by the base station equipment.Repeater 210 and 212 can believe communication It number is transformed into millimeter wave frequency band surface wave and is emitted that be back to transmitting station 208, RF modem 202 concurrent via power line It is mapped on mobile network.
Turning now to Fig. 3, the block diagram of the example, non-limiting embodiment of diagram distributing antenna system 300 is shown.Fig. 3 Illustrate in greater detail base station 104 and transmitting station 106 described in Fig. 1.Base station equipment 302 may include 304 He of router Microcell 308 (or picocell, Femto cell or other small cell deployments).Base station equipment 302, which can receive, to be linked to now There is the external network connection 306 of infrastructure.Network connection 306 can be the (such as, optical fiber or cable) or wireless of physics (connection of high bandwidth microwave).In some embodiments, the existing infrastructure that network connection 306 can be linked to can be Macrocell website.For these macrocell websites connected with high data rate network, base station equipment 302 can with it is described macro Cell site shares the network connection.
The Microcell 308 that router 304 can be communicated for promotion with mobile device provides connection.Although Fig. 3 shows Base station equipment 302 is gone out with a Microcell, but in other embodiments, base station equipment 302 may include two or more Multiple Microcells.The RF output of Microcell 308 can be used for modulating the signal of 60GHz and be connected to transmitting station via optical fiber 318.It is to be appreciated that transmitting station 318 and repeater 108 include similar function, and it is connected to the network 306 and can links To transmitting station 318 or repeater 108 (and 106,110 etc.).
In other embodiments, base station equipment 302 can be coupled to transmitting station 318 (in Fig. 7 more by quasi-optical It is illustrated in detail).Transmitting station 318 includes by the millimeter wave interface 312 of the frequency shift of RF output to millimeter wave band signal.So Afterwards, the signal can be used as surface wave transmitting and be emitted on power line 316 by taper transceiver 314.
Taper transceiver 314, which can be generated, is specially configured for the electromagnetism propagated as the guided wave advanced along conducting wire ?.Even in conductive line bends and buckling, the guided wave or surface wave will still keep parallel with conducting wire.Bending can increase transmitting Loss, launch loss additionally depend on diameter of wire, frequency and material.
Millimeter wave interface 312 and taper transceiver 314 can be powered by induction power supply 310, and the induction power supply is therefrom pressed Or high-voltage power line inductively receives electric power.In other embodiments, electric power can be supplemented by battery supply.
Turning now to Fig. 4, it is non-according to the example of the distributing antenna system of various aspects described herein to show diagram The block diagram of restricted embodiment.System 400 includes repeater 402 and antenna 414, and the repeater has taper transceiver 404 With 412, millimeter wave interface 406 and 410 and induction power supply 408.
Transceiver 404 can receive the millimeter wave frequency band surface wave transmitting sent along power line.Millimeter wave interface 406 can With the electronic signal or fiber-optic signal translated the signals into cable, and signal is forwarded to millimeter wave interface 410 and taper The signal is emitted as surface wave and is emitted on power line by transceiver 412, the millimeter wave interface and taper transceiver. Millimeter wave interface 406 and 410 can also carry out downshift to the frequency of signal between millimeter wave frequency band and cellular band respectively And upshift.Antenna 414 can transmit a signal to the mobile device in transmitting range.
Antenna 414 can receive return signal with slave mobile device, and be passed to millimeter wave interface 406 and 410, described Millimeter wave interface can be by another frequency band within the scope of frequency upshift to millimeter-wave frequency.Then, 404 He of taper transceiver Return signal can be emitted as surface wave and emit the base station equipment being back near transmitting station (for example, base station is set by 412 For 302).
Referring now to Figure 5, it is unrestricted according to the example of the back haul system 500 of various aspects described herein to show diagram The block diagram of property embodiment.Back haul system 500 illustrates in greater detail the RF modem 202 shown in Fig. 2 and transmitting Platform 208.RF modem 502 may include router 504 and modem 508.RF modem 502 can receive It is linked to the external network connection 506 of existing infrastructure.(such as, optical fiber or cable) that network connection 506 can be physics, Or wireless (connection of high bandwidth microwave).In some embodiments, the existing basis that network connection 506 can be linked to is set It applies and can be macrocell website.Since macrocell website has had high data rate network connection, RF modem 502 can be with the shared network connection of macrocell website.
The agreements such as DOCSIS can be used to modulate millimeter wave band transmission in router 504 and modem 508, And signal is exported to transmitting station 516.RF modem 502 can send signal to hair via optical fiber or cable link Penetrate platform 516.In some embodiments, RF modem 502 can pass through quasi-optical coupling (illustrating in greater detail in Fig. 7) It is coupled to transmitting station 516.
Transmitting station 516 may include the milli of the frequency shift that exports RF modem 502 to millimeter wave band signal Metric wave interface 512.Then, the signal can be used as surface wave transmitting and be emitted by taper transceiver 514.Taper transceiver 514 can be generated and specially be configured for the electromagnetic field propagated as the guided wave advanced along conducting wire 518.It is even curved in conducting wire When bent and buckling, the guided wave or surface wave will still keep parallel with conducting wire.Bending can increase launch loss, and launch loss is also Depending on diameter of wire, frequency and material.
Millimeter wave interface 512 and taper transceiver 514 can be powered by induction power supply 510, and the induction power supply is therefrom pressed Or high-voltage power line inductively receives electric power.In other embodiments, electric power can be supplemented by battery supply.
Fig. 6 shows the block diagram of the example, non-limiting embodiment of the back haul system according to various aspects described herein. System 600 includes repeater 602 and Microcell 614, and the repeater has taper transceiver 604 and 612, millimeter wave interface 606 and 610 and induction power supply 608.
Transceiver 604 can receive the millimeter wave frequency band surface wave transmitting sent along power line.Millimeter wave interface 606 can With the electronic signal or fiber-optic signal translated the signals into cable, and signal is forwarded to millimeter wave interface 610 and taper The signal is emitted as surface wave and is emitted on power line by transceiver 612, the millimeter wave interface and taper transceiver. Millimeter wave interface 606 and 610 can also between millimeter wave frequency band and cellular band to the frequency of signal carry out upshift and under Frequency displacement.Millimeter wave interface 606 and 610 can also include allowing the multichannel of multiplex signal in the time and/or frequency domain multiple With device and demultiplexer.Millimeter wave interface 606 and 610 can also include being able to use the agreements such as DOCSIS to carry out demodulated signal Modem.It is then possible to transmit the signal to Microcell 614 to promote to be communicated with mobile device.
Millimeter wave interface 606 and 610 can also include wireless access point.Wireless access point (for example, 802.11ac) can be with From anywhere in Microcell 614 is positioned in wireless access point range, and do not need to be physically connected to relay Device 602.
Fig. 7 shows the frame of the example, non-limiting embodiment of the quasi-optical coupling 700 according to various aspects described herein Figure.It needs to utilize high-voltage power line and medium voltage power line to work by the technical staff of specialized training and certification.It will be electric Road system, which is located remotely from high-voltage power line and medium voltage power line, allows common process technical staff to install and repair the circuit System.Therefore, this example embodiment is quasi-optical coupler, and the quasi-optical coupler allows base station and surfacewave launch and electricity Line of force separation.
In wavelength compared with macroscopical size of equipment under lesser millimeter-wave frequency, millimeter wave transmitting can be from a place It is sent to another place and is turned to via lens and reflector, with extraordinary image the case where visible light.Therefore, 706 He of reflector 708 can be placed on power line 704 and be oriented such that the millimeter wave band transmission sent from transmitter 716 is parallel to electricity The line of force and reflected so that the millimeter wave band transmission is guided as surface wave by power line.Similarly, along electric power Millimeter wave frequency band (being 60Ghz or more for the present embodiment) surface wave that line 704 is sent can be anti-by reflector 706 and 708 It penetrates, and is sent to dielectric lens 710 and as waveguide 718 in monolithic transmitter integrated circuit 716 as collimated wave beam Upper transmission, the monolithic transmitter integrated circuit send signal to base station 712.
Base station 712 and emitter apparatus 716 can receive from can be used as existing Utilities Electric Co.'s infrastructure a part The electric power of transformer 714.
Turning now to Fig. 8, diagram is shown according to the example, non-limiting of the back haul systems of various aspects described herein The block diagram of embodiment.Back haul system 800 includes receiving network via the physics or wireless connection to network infrastructure The base station equipment 808 of connection.The network connection can be via optical fiber and/or cable or by neighbouring macrocell website High bandwidth line-of-sight microwave link connection.Base station equipment 808 may include that can promote the Microcell communicated with mobile device 820 (or other small cell deployments).
The radio relay repeater 802 for being communicatively coupled to base station equipment 808 can emit millimeter band signal to wireless Electric repeater 804.The transmitting can also be forwarded to radio relay repeater 806 by radio relay repeater 804, and in radio It both can be with the shared signal in Microcell 810 and 812 after device 804 and 806.By this method, the net from existing infrastructure Network connection can be distributed via sighting distance millimeter band transmission to the mesh network of Microcell by radio relay repeater.
In some embodiments, radio relay repeater can be broadcasted with the frequency of 100GHz or more to emit.Than conventional milli There is metric wave radio link the antenna of more low gain, more wide beamwidth height is provided under short linkage length (about 500 feet) Availability keeps radio relay repeater smaller and cheap simultaneously.
In some embodiments, it is existing to may be mounted at lamp stand 814,816 and 818 etc. for radio relay repeater and Microcell Have in infrastructure.In other embodiments, radio relay repeater and Microcell may be mounted at for power line, building and On the electric pole of other structures.
Turning now to Fig. 9, diagram is shown according to the millimeter wave band antenna arrangements 900 of various aspects described herein The block diagram of example, non-limiting embodiment.Radio relay repeater 904 can have the plastic lid for protecting wireless aerial 906 902.Radio relay repeater 904 can be installed to electric pole, lamp stand or other structures 908 with installing arm 910.In radio Electric power can also be received via mains cord 912 after device, and is exported signal to small nearby using optical fiber or cable 914 Area.
In some embodiments, radio relay repeater 904 may include 16 antennas.These antenna can radially pacify Row, and each antenna can have about 24 degree of beamwidth in azimuth.It therefore can be between each antenna beamwidth There are small overlappings.When being emitted or receiving transmitting, radio relay repeater 904 can be based on such as signal strength, signal-to-noise ratio Etc. signal measurement results automatically to select best sector antenna to be used for connection.In one embodiment, due to nothing Line electricity repeater 904 can automatically select antenna to be used, therefore both without implementing accurate antenna alignment or no pair The strict demand that mounting structure distorts, tilts and wave.
In some embodiments, radio relay repeater 904 may include the Microcell in device, thus in addition to promoting Except being communicated with mobile device, also enable self-contained unit as the repeater on backhaul network.In other implementations In example, radio relay repeater may include wireless access point (for example, 802.11ac).
Turning now to Figure 10, diagram is shown according to the non-limit of example of the underground back haul system of various aspects described herein The block diagram of property embodiment processed.Still dielectric transmitting that can support guided electromagnetic wave of pipeline either metal.Therefore Underground piping 1004 can be used and replace above-mentioned ground electrical power line to distinguish copy pattern 1 and spaced antenna shown in Figure 2 and return Journey system.Underground piping can carry power line or other cables 1002, and at transformer tank 1006, RF/ light modulation solution Adjusting device (can be in embodiment 40GHz or more) transformation (modulation or demodulation) returned signal to or from millimeter wave.Optical fiber or Cable 1010 can deliver transformed returned signal to positioned at neighbouring Microcell.
Single pipeline can serve several backhauls connection along its route in the following manner: delivery with time domain or The millimeter-wave signal that frequency domain mode multiplexes.
Figure 11 illustrates the process in conjunction with aforementioned system.Process in Figure 11 can be for example respectively by Fig. 1 to Fig. 7 and Figure 10 Shown in system 100,200,300,400,500,600,700 and 1000 implement.Although purpose to simplify the explanation, institute The method of stating is shown and described as a series of boxes it should be appreciated that and recognize, theme claimed is not by box Sequence limitation because some boxes can occur from other boxes with different sequences depicted and described herein and/ Or occur simultaneously.Furthermore, it is possible to not need the box of all diagrams to implement method described below.
Figure 11 illustrates the example, non-limiting embodiment of the method for providing backhaul connection as described herein Flow chart.At step 1102, the transmitting of first surface wave is received by power line.In some embodiments, the surface wave hair Penetrating can be received by taper transceiver.In other embodiments, the reflector being located on power line can be anti-by surface wave It is incident upon dielectric lens and waveguide, the dielectric lens and waveguide are by the surface wave transformation at electron emission.In step At 1104, the transmitting of first surface wave is transformed into electron emission.The taper transceiver can receive electromagnetic wave and be converted At the electron emission by circuit propagation.
At step 1106, signal of communication is extracted from electron emission.It is described to extract that RF modem can be used Signal of communication, the RF modem use the agreements such as DOCSIS.The RF modem can be to electronic signal It is modulated and demodulates to extract signal of communication.The signal of communication can be from mobile network's received signal, and can be with It is provided for providing network connection to distributed base station.
At 1108, signal of communication can be sent to neighbouring base station equipment.The communication can pass through optical fiber or electricity Cable is sent, or Wi-Fi (for example, 802.11ac) can be used wirelessly to send.
At 1110, power line is emitted through using electron emission as second surface wave to emit.Second taper transceiver Or surface wave can be emitted to the next node on power line into back haul system by reflector.First surface wave transmitting and the The transmitting of two surface waves is under at least frequency of 30GHz.
Referring now to Figure 12, which illustrates the block diagrams for calculating environment according to various aspects described herein.For example, In some embodiments, computer can be used as or be included in mobile device data rate throttle system 200,400,500 and/or In 600.
In order to provide the additional context of each embodiment for embodiment described herein, Figure 12 and following discussion meaning Brief, general description to the suitable computing environment 1200 for each embodiment that embodiment described herein can be implemented is being provided. Although being retouched in the general context for the computer executable instructions that can be run on one or more computers above Stated embodiment, it will be recognized to those skilled in the art that the embodiment can also be combined with other program modules and/or Implement as the combination of hardware and software.
In general, program module includes routine, the program, portion for executing particular task or implementing particular abstract data type Part, data structure etc..Moreover, it would be recognized by those skilled in the art that the inventive method can use other computer systems Configuration is to practice, including uniprocessor or multiprocessor computer system, minicomputer, mainframe computer and personal meter Calculation machine, Handheld computing device, based on microprocessor or programmable consumption electronic product etc., it is therein it is each operationally It is coupled to one or more associated equipment.
It is clear unless the context otherwise, otherwise term " first ", " second ", " third " etc. as used in the claims Just for the sake of clear, rather than in addition indication or suggestion any time order.For example, " first determine ", " second determines " and " third determines " indication or suggestion first do not determine is carried out before second determines, or vice versa, etc..
The illustrated embodiment of embodiment hereof can also be practiced in a distributed computing environment, and some of them task is by passing through The remote processing devices of communication network links execute.In a distributed computing environment, program module can be located locally and remotely In memory storage device the two.
It calculates equipment and generally includes various media, may include computer readable storage medium and/or communication Medium, the two terms are using differently from one another herein below.Computer readable storage medium, which can be, to be visited by computer Any usable storage medium asked, and including volatile and non-volatile media, removable and irremovable medium.As showing Example rather than limit, computer readable storage medium can in conjunction with for store such as computer-readable instruction, program module, structure Change any method or technique of the information of data or unstructured data to implement.
Computer readable storage medium can include but is not limited to random access memory (RAM), read-only memory (ROM), electrically erasable programmable read-only memory (EEPROM), flash memory or other memory technologies, compact disc read-only memory (CD-ROM), digital versatile disc (DVD) or other disc memories, cassette, tape, magnetic disk storage or other magnetic storages Equipment or other tangible and/or non-state mediums that can be used to store expectation information.In this respect, when in this paper quilt When being applied to storage device, memory or computer-readable medium, term " tangible " or " non-transient " should be interpreted as making It excludes itself only to propagate transient signal for modifier (modifier) and does not abandon itself not only propagating transient state letter to all Number standard memory devices, the right of memory or computer-readable medium.
Computer readable storage medium can be calculated equipment access by one or more Local or Remotes, such as via access Request, inquiry or other data retrieval agreements, for the various operations about the information by the media storage.
Communication media is usually with the data-signal body for the data-signal (for example, carrier wave or other transfer mechanisms) such as modulated Existing computer readable instructions, data structure, program module or other structures or unstructured data, and including any information Transmitting or transmission medium.Term " data-signal of modulation " or signal refer to one or more characteristic to believe in one or more The signal that this mode of encoded information is set or changed in number.As an example, not a limit, communication media includes wired Jie Matter (such as cable network or the connection of direct line) and wireless medium (such as acoustics, RF, infrared and other wireless mediums).
Example context 1200 referring again to Figure 12, each embodiment for implementing various aspects described herein includes Computer 1202, computer 1202 include processing unit 1204, system storage 1206 and system bus 1208.System bus 1208 by the couple system components of including but not limited to system storage 1206 to processing unit 1204.Processing unit 1204 can be with It is any one of various commercially available processors.Dual micro processor and other more-processor architectures are also used as handling Unit 1204.
System bus 1208 can be any one in the bus structures of several types, can be further using various Any one in the commercially available bus architecture framework of various kinds be interconnected to memory bus (with or without Memory Controller), Peripheral bus and local bus.System storage 1206 includes ROM 1210 and RAM 1212.Basic input/output (BIOS) it can store in nonvolatile memories such as ROM, Erasable Programmable Read Only Memory EPROM (EPROM), EEPROM In, wherein BIOS include help it is all as during start-up between the element in computer 1202 transport information basic routine. RAM 1212 can also include the high-speed RAM that static state RAM etc. is used for cached data.
Computer 1202 further includes internal hard disk drive (HDD) 1214 (for example, EIDE, SATA), the internal hard drive Driver 1214 can be configured to use for external in suitable cabinet (not shown), and the computer further includes magnetic Property floppy disk drive (FDD) 1216 (for example, in order to be read from moveable magnetic disc 1218 or it be written) and CD drive 1220 (for example, reading CD-ROM disk 1222, or read from other high capacity optical mediums such as DVD or it are written). Hard disk drive 1214, disc driver 1216 and CD drive 1220 can pass through respectively hard disk drive interface 1224, Disk drive interface 1226 and CD-ROM drive interface 1228 are connected to system bus 1208.Implement for peripheral driver Interface 1224 include in universal serial bus (USB) and 994 interfacing of Institute of Electrical and Electric Engineers (IEEE) extremely Few one or both.Other peripheral driver interconnection techniques are in the expection of embodiment described herein.
Driver and its associated computer readable storage medium provide data, data structure, computer executable finger The non-volatile memories of order etc..For computer 1202, driver and storage medium accommodate any number in a suitable digital format According to storage.Although the description of computer readable storage medium above is related to hard disk drive (HDD), moveable magnetic disc and all Such as the removable optical medium of CD or DVD, but skilled artisan recognize that, other kinds of computer can The storage medium (zip drive, cassette, flash card, cassette tape etc.) of reading can also make in Example Operating Environment With in addition, any such storage medium can include the computer executable instructions for executing approach described herein.
Multiple program modules can store in driver and RAM 1212, including operating system 1230, one or more Using 1232, other program modules 1234 and program data 1236.Operating system, application, module and/or data whole or portion Dividing can also be cached in RAM 1212.Systems and methods described herein can use various commercially available operation systems The combination of system or operating system is implemented.
User can be by one or more wire/wireless input equipments (for example, keyboard 1238 and such as mouse 1240 Pointer device) it will order with information input into computer 1202.Other input equipment (not shown) may include microphone, red (IR) remote controler, control stick, cribbage-board, stylus, touch screen etc. outside.These and other input equipments are often through can couple Input equipment interface 1242 to system bus 1208 is connected to processing unit 1204, but can be connected by other interfaces, These other interfaces such as parallel port, 1394 serial port of IEEE, game port, the port universal serial bus (USB), IR Interface etc..
Monitor 1244 or other kinds of display equipment can also be connected via the interface of such as video adapter 1246 To system bus 1208.In addition to the monitor 1244, computer also typically includes other peripheral output devices (not shown), all Such as loudspeaker, printer.
Computer 1202 can be used via to one or more remote computer (such as (one or more) remote computations Machine 1248) wire communication and/or wireless communication logical connection and operated in networked environment.Described (one or more It is a) remote computer 1248 can be work station, server computer, router, personal computer, portable computer, base In the amusement equipment of microprocessor, peer device or other common network nodes, and generally include relative to computer 1202 Many or all elements of description, but for sake of simplicity, illustrate only memory/storage 1250.Discribed logic connects It connects including the wire/wireless connection to local area network (LAN) 1252 and/or bigger network (for example, wide area network (WAN) 1254). This LAN and WAN networked environment is common in office and company, and (all convenient for the computer network of enterprise-wide Such as Intranet), it is all these to may be connected to global communications network (for example, internet).
When in LAN networked environment in use, computer 1202 can by wired and or wireless communications network interface or Adapter 1256 is connected to local network 1252.Adapter 1256 can promote the wired or wireless communication to LAN 1252, It can also include the wireless aps for being communicated with wireless adapter 1256 of deployment on it.
When in WAN networked environment in use, computer 1202 may include modem 1258 or can connect The communication server to WAN 1254, or (such as pass through with other devices for establishing communication on WAN 1254 Internet).The modem 1258 that can be internal or external equipment and wired or wireless equipment can be set via input Standby interface 1242 is connected to system bus 1208.In networked environment, depicted about computer 1202 or its each section Program module can store in remote memory/storage device 1250.It is to be appreciated that shown network connection is Example and other means for establishing communication link between the computers can be used.
Computer 1202 is operable to and is operatively disposed in any wireless device or entity communication in wireless communication, These wireless devices or entity such as printer, scanner, desktop and/or portable computer, portable data assistant, communication Satellite, any equipment associated with wireless detectable label or position (for example, information station, news-stand, toilet) and phone. This may include Wireless Fidelity (Wi-Fi) andWireless technology.Therefore, communication can be and routine Self-organizing (ad hoc) communication between the same predefined structure of network or simply at least two equipment.
Wi-Fi can permit on the bed from the sofa of family, hotel room or working conference room is connected to internet, Without electric wire.Wi-Fi is analogous to the wireless technology used in mobile phone, it makes this equipment (for example, computer) in room It is interior and outdoor;From anywhere in base station range, data are sent and received.Wi-Fi network uses referred to as IEEE 802.11 The radio technology of (a, b, g, n, ac etc.) provides safe and reliable, quick wireless connection.Wi-Fi network can be used to Connect a computer to each other, be connected to internet and be connected to (can be used IEEE 802.3 or Ethernet) wired network Network.Wi-Fi network is with the data rate of 11Mbps (802.11a) or 54Mbps (802.11b) in for example unofficial 2.4GHz It is operated in 5GHz radio bands, or there is the product comprising the two frequency bands (double frequency-band), network is allowed to provide class It is similar to the real-world performance of the basic 10BaseT wired ethernet network used in many offices.
Figure 13 presents the movement for the one or more aspects that can be implemented and using disclosed theme described herein The example embodiment 1300 of the network platform 1310.In general, wireless network platform 1310 may include promoting packet switch (PS) (for example, Internet protocol (IP), frame relay, asynchronous transport model (ATM)) and circuit switching (CS) traffic (for example, Voice-and-data) component of the two and control for the generation for aerogram of networking, such as node, gateway, interface, clothes Business device or entirely different platform.As non-limiting example, wireless network platform 1310 may include in telecom operators' net In network, and it is considered the component of carrier side as discussed elsewhere herein.Mobile network platform 1310 include (one or more) CS gateway node 1312, and the CS gateway node can be connected with interface from as (one or more) The traditional network or letter of telephone network 1340 (for example, public switch telephone network (PSTN) or public land mobile network (PLMN)) The CS traffic for enabling system #7 (SS7) network 1370 receive.(one or more) Circuit Switching Network artis 1312 can award It weighs and authenticates the traffic (for example, voice) generated from this network.In addition, (one or more) CS gateway node 1312 can be with Data, roaming or the mobility that access is generated by SS7 network 1370;For example, being stored in accessed location register (VLR) Mobility data, may reside in memory 1330.Moreover, 1312 interface of (one or more) CS gateway node connects The traffic and signaling and (one or more) PS gateway node 1318 based on CS.As an example, in 3GPP UMTS network In, (one or more) CS gateway node 1312 can be at least partly in (one or more) Gateway GPRS Support Node (GGSN) it is realized in.It is to be appreciated that (one or more) CS gateway node 1312, (one or more) PS gateway node 1318 and (one or more) service node 1316 function and concrete operations by 1310 institute of mobile network platform for telecommunications (one or more) radio technology that uses is provided and is provided.
Other than receiving and handling the CS exchange traffic and signaling, (one or more) PS gateway node 1318 can be with It authorizes and authenticates the data session based on PS with the mobile device serviced.Data session may include and wireless network platform The traffic of network exchange outside 1310 or (one or more) content, wherein network such as (one or more) wide area network (WAN) 1350, (one or more) enterprise network 1370 and (one or more) service network 1380, wherein service network can be with It is embodied in (one or more) local area network (LAN), (one or more) PS gateway node 1318 and mobile network can also be passed through 1310 interfaces of network platform.It should be noted that WAN 1350 and (one or more) enterprise network 1360 can be at least partly Embody (one or more) service network as IP multimedia subsystem (IP multimedia subsystem, IMS).It is based on Available (one or more) the radio technology layer in (one or more) technical resource 1317, (one or more) grouping are handed over Draping artis 1318 can generate block data protocol context when data session is established;Promote to packetized data into Walking along the street by other data structures can also be generated.For this purpose, on the one hand, (one or more) PS gateway node 1318 can be with Including tunnel interface (for example, Tunnel Termination Gateway (TTG) (not shown) in 3GPP UMTS network), the tunnel interface can To promote to communicate with (one or more) different networks (such as Wi-Fi network) being grouped.
In embodiment 1300, wireless network platform 1310 further includes (one or more) service node 1316, is based on (one It is a or multiple) available (one or more) radio technology layer in technical resource 1317, the service node transports through (one It is a or multiple) PS gateway node 1318 received data flow each stream of packets.It should be noted that for depending primarily on CS (one or more) technical resource 1317 of communication, (one or more) server node can not depend on (one or more) PS Gateway node 1318 just conveys the traffic;For example, (one or more) server node can at least partly embody mobile friendship Switching center9.As an example, (one or more) service node 1316 can be in (one or more) in 3GPP UMTS network It is embodied in Serving GPRS Support Node (SGSN).
(one or more) server for using the radio technology of packetized communication, in wireless network platform 1310 1314 can execute numerous applications, these application can be generated multiple and different packetized data streams (streams or Flows), and (for example, scheduling, queuing, format ...) this stream is managed.(one or more) this application may include To the supplementary features of the standards service (for example, supply, charging, customer support ...) provided by wireless network platform 1310.Number (one can be sent to according to stream (for example, (one or more) content of a part as audio call or data session) Or multiple) PS gateway node 1318, for the authorization/certification and initiation of data session, and it is sent to (one or more) Service node 1316, for communication thereafter.Other than application server, (one or more) server 1314 can also be wrapped Include (one or more) utility services device (utility server), utility services device may include provisioning server, operation and Safeguard service device can at least partly implement certificate authority and firewall and the security server of other security mechanisms, etc. Deng.On the one hand, the communication that the protection of (one or more) security server is serviced by wireless network platform 1310, so as to conduct The authorization and certification journey that (one or more) CS gateway node 1312 and (one or more) PS gateway node 1318 can be formulated Adding for sequence, also assures the operation and data integrity of network.Moreover, (one or more) provisioning server can be supplied and be come from The service of (one or more) external network (network such as runed by different ISPs);For example, WAN 1350 or (one It is a or multiple) global positioning system (GPS) network (not shown).(one or more) provisioning server can also be by being associated with The network (for example, by same ISP's Disposition & Operation) of wireless network platform 1310 covers to supply, and network such as increases Wireless service coverage in the strong interior confined space simultaneously unloads RAN resource to enhance passing through in family or corporate environment (one or more) femtocell network (not shown) of the subscriber services experience of UE 1375.
It should be noted that (one or more) server 1314 may include being configured at least partly giving (confer) one or more processors of the function of macro network platform 1310.For this purpose, for example, the one or more processor can To execute the code command being stored in memory 1330.It is to be appreciated that (one or more) server 1314 can be with Including content manager 1315, the content manager by substantially with it is described above it is identical in a manner of operated.
In example embodiment 1300, memory 1330 can store letter relevant to the operation of wireless network platform 1310 Breath.Other operation informations may include the information provision of the mobile device serviced by wireless network platform 1310, subscriber's number According to library;Using intelligence, pricing scheme, such as the activity of promotional price, flat rate scheme, discount coupon;From for different wireless Consistent (one or more) technical specification of telecom agreement of the operation of electricity or wireless technology layer;Etc..Memory 1330 may be used also (one or more) telephone network 1340, WAN 1350, (one or more) enterprise network 1360 or SS7 network are come from storage The information of at least one in 1370.On the one hand, memory 1330 can be for example as data storage part or as remote A part of the memory storage of journey connection is accessed.
In order to provide the context of the various aspects for disclosed theme, Figure 13 and following discussion are intended to provide to wherein may be used To implement the brief general description of the proper environment of disclosed theme.Although above can be at one and/or multiple Describe this theme in the general context of the computer executable instructions of the computer program run on computer, but ability Field technique personnel are it will be recognized that disclosed theme can also be implemented in conjunction with other program modules.In general, program module Routine, program, component, data structure including execution particular task and/or implementation particular abstract data type etc..
Turning now to Figure 14 A, it is non-according to the example of the communication system 1400 of various aspects described herein to show diagram The block diagram of restricted embodiment.Communication system 1400 may include macro base station 1402, such as with the one or more sectors of covering The base station of the antenna of (for example, 6 or more sectors) or access point.Macro base station 1402 can be communicatively coupled to communication node 1404A, the communication node serve as the diverse geographic location inside or outside the overlay area for being distributed in macro base station 1402 The host node or distribution node of other communication nodes 1404B-E at place.Communication node 1404 is carried out as distributing antenna system Operation, the distributing antenna system be configured for processing with such as mobile device (for example, mobile phone) and/or fixation/it is quiet Equipment (for example, communication equipment in house or commercial undertaking) only etc. is wirelessly coupled to the visitor of any communication node 1404 The associated communication traffic of family end equipment.It specifically, can be by allowing and/or guide certain movements and/or static The radio resource of communication node 1404 of the equipment utilization in the communication range of the mobile device or static equipment makes macro base 1402 radio resource of standing can be used for mobile device.
Communication node 1404A-E can be communicatively coupled to each other by interface 1410.In one embodiment, interface 1410 may include wireline interface or captive interface (for example, fiber optic cables).In other embodiments, interface 1410 can wrap Include the wireless RF interface to form radio distributing antenna system.In various embodiments, communication node 1804A-E can be matched It sets for providing communication service to mobile device and static equipment according to the instruction provided by macro base station 1402.However, at it In his operation example, communication node 1404A-E is only used as analog repeater to be operable to the covering model of macro base station 1402 Enclose the entire scope that extension spreads each communication node 1404A-E.
Micro-base station (being portrayed as communication node 1404) can be different from macro base station at several aspects.For example, micro-base station is logical Believe that range can be less than the communication range of macro base station.It therefore, can be less than being consumed by macro base station by the electric power of micro-base station consumption Electric power.Macro base station optionally indicates that micro-base station will lead to about these micro-base stations with which mobile device and/or static equipment Letter and which carrier frequency, (more will be used by these micro-base stations when being communicated with certain mobile devices or static equipment It is a) timeslot scheduling of spectral slice and/or this kind of (multiple) spectral slices.In these cases, can using MS master-slave configuration or Other suitable control configurations are to execute the control by macro base station to micro-base station.It either independently carries out operating or in macro base Stand 1402 control under operated, the resource of micro-base station can it is simpler than the resource utilized by macro base station 1402 and at This is lower.
Turning now to Figure 14 B, the example for showing the communication node 1404B-E of the communication system 1400 of pictorial image 14A is non- The block diagram of restricted embodiment.In this diagram, communication node 1404B-E is placed on the fixed dress of the public utilities such as lamppost It sets.In other embodiments, some in communication node 1404B-E can be placed on for distributing electric power and/or communication On the building or wire column or electric pole of line.Communication node 1404B-E in these diagrams can be configured to connect Mouth 1410 communicates with each other, and the interface is shown as wireless interface in this diagram.Communication node 1404B-E can also quilt It is configured to follow one or more communication protocols (for example, the forth generations such as LTE signal or other 4G signals (4G) nothing Line signal, the 5th generation (5G) wireless signal, WiMAX, 802.11 signals, ultra-broadband signal etc.) wireless interface 1411 and shifting Dynamic equipment or static equipment 1406A-C are communicated.Communication node 1404 can be configured to interface 1410 with comparable Operating frequency (for example, 1.9GHz) higher operation for being communicated by interface 1411 with mobile device or static equipment Frequency (for example, 28GHz, 38GHz, 60GHz, 80GHz or higher) exchanges signal.Higher carrier frequency and wider bandwidth It can be used between communication node 1404 being communicated, so that communication node 1404 can be via one or more different Frequency band (for example, 900MHz frequency band, 1.9GHz frequency band, 2.4GHz frequency band, and/or 5.8GHz frequency band etc.) and/or one or more Different agreements provides communication service to multiple mobile devices or static equipment, such as will be by under the frequency spectrum of Figure 15 A described below Line link schematic diagram and frequency spectrum uplink schematic diagram are illustrated.In other embodiments, especially via guided wave communication system It, can be using lower frequency ranges (for example, in 2GHz-6GHz, 4GHz-10GHz in the case where implementing interface 1410 on conducting wire Deng range in) in broader frequency spectrum.
Turning now to Figure 14 C-14D, the example for showing the communication node 1404 of the communication system 1400 of pictorial image 14A is non- The block diagram of restricted embodiment.Communication node 1404 can be attached to the public affairs such as wire column shown in Figure 14 C or electric pole The support construction 1418 of device is fixed with facility.Communication node 1404 can use by plastics or other suitable materials construction The arm 1420 of the end of communication node 1404 is attached to be attached to support construction 1418.Communication node 1404 can be wrapped further Include the plastic casing component 1416 of each component of covering communication node 1404.Communication node 1404 can be by 1421 (example of power line Such as, 110/220VAC) it powers.Power line 1421 can be originated from lamp stand or be coupled to the power line of electric pole.
In communication node 1404 and the embodiment that other communication nodes 1404 carry out wireless communication as shown in Figure 14 B In, the top side 1412 (also illustrating in Figure 14 D) of communication node 1404 may include that be coupled to one or more transceivers (all Such as, such as in Figure 14 all or part of the transceiver 1400 illustrated) mutiple antennas 1422 (for example, not metal surface 16 dielectric antennas).Each antenna in the multiple antenna 1422 of top side 1412 can be used as communication node 1404 Sector is operated, each sector be configured for at least one communication node 1404 in the communication range of the sector into Row communication.Alternatively or in combination, the interface 1410 between communication node 1404 can be captive interface (example Such as, fiber optic cables or the power line for transmitting guided electromagnetic wave as described earlier).In other embodiments, interface 1410 can be different between communication node 1404.That is, some communication nodes 1404 can be led to by wireless interface Letter, and other communication nodes are communicated by captive interface.In other embodiments, some communication nodes 1404 can be with again Utilize the wireless and captive interface of combination.
The bottom side 1414 of communication node 1404 can also include the load for being suitable for mobile device or static equipment 1406 The mutiple antennas 1424 that wave frequency rate and one or more mobile devices or static equipment 1406 carry out wireless communication.Such as relatively early meaning Out, it is used to pass through wireless interface 1411 shown in Figure 14 B and mobile device as communication node 1404 or static equipment carries out Carrier frequency used in communicating can be different from the load for being communicated between communication node 1404 by interface 1410 Wave frequency rate.The multiple antenna 1424 of the bottom part 1414 of communication node 1404 can also utilize transceiver, such as, such as The all or part of the transceiver 1400 illustrated in Figure 14.
Turning now to Figure 15 A, diagram is shown for enabling base station to be communicated with the communication node 1404 of Figure 14 A Downlink and uplink communication technology example, non-limiting embodiment block diagram.In the diagram of Figure 15 A, downlink chain Road signal (that is, by the signal of communication node 1404 is directed to from macro base station 1402) can be divided by frequency spectrum: control channel 1502;Downlink spectrum segment 1506, these spectral slices respectively include modulated signal, and the modulated signal can be by frequency conversion To its original/intrinsic frequency band so that communication node 1404 can be carried out with one or more mobile devices or static equipment 1506 Communication;And pilot signal 1504, these pilot signals can be supplied with some or all of spectral slice 1506, so as to Mitigate the distortion generated between communication node 1504.Pilot signal 1504 can be by the top side 1416 of downlink communication node 1404 (captive or wireless) transceiver is handled, so as to the removal distortion (for example, phase distortion) from reception signal.Each downlink Link spectral segment 1506 can be assigned the bandwidth 1505 of sufficiently wide (for example, 50MHz), to include corresponding pilot signal 1504 and the frequency channels (or frequency band) in spectral slice 1506 in one or more downlink modulated signals.This A little modulated signals can indicate be used to carry out with one or more mobile devices or static equipment 1406 by communication node 1404 Honeycomb channel signal, WLAN channel signal or other modulation communication signals (for example, 10MHz -20MHz) of communication.
(its intrinsic/original frequency band can be in the uplink modulated signals by moving or static communication equipment generates In) carry out frequency conversion and be thus located in the frequency channels in uplink spectrum segment 1510 (or frequency band).Uplink Link modulated signal can indicate honeycomb channel signal, WLAN channel signal or other modulation communication signals.Each uplink Spectral slice 1510 can be assigned similar or identical bandwidth 1505 to include pilot signal 1508, and the pilot signal can To be provided with some or each spectral slice 1510 so that uplink communication node 1404 and/or macro base station 1402 can remove mistake Very (for example, phase error).
In the embodiment illustrated, downlink spectrum segment 1506 and uplink spectrum segment 1510 respectively include Multiple frequency channels (or frequency band), the multiple frequency channels can take up from any amount of intrinsic/original frequency band The tune of (for example, frequency band of the frequency band of the frequency band of 900MHz, 1.9GHz, 2.4GHz, and/or the frequency band of 5.8GHz etc.) progress frequency conversion Signal processed.Modulated signal can be up-converted to the phase in downlink spectrum segment 1506 and uplink spectrum segment 1510 Adjacent frequency channels.By this method, although originally some adjacent frequency channels in downlink spectrum segment 1506 may include Modulated signal in same intrinsic/original frequency band, but other adjacent frequency channels in downlink spectrum segment 1506 It can also include originally in different intrinsic/original frequency bands but by frequency conversion at positioned at the adjacent of downlink spectrum segment 1506 Modulated signal in frequency channels.For example, to the first modulated signal in 1.9GHz frequency band and identical frequency band can be in The second modulated signal in (that is, 1.9GHz) carries out frequency conversion, and is thus located at the phase of downlink spectrum segment 1506 In adjacent frequency channels.In another diagram, to the first modulated signal in 1.9GHz frequency band and different frequencies can be in The second signal of communication in band (that is, 2.4GHz) carries out frequency conversion, and is thus located at downlink spectrum segment 1506 In adjacent frequency channels.Therefore, it can use with identical or different signaling protocol and identical or different intrinsic/original frequency band Any combination of modulated signal occupies the frequency channels of downlink spectrum segment 1506.
Similarly, although some adjacent frequency channels in uplink spectrum segment 1510 may include originally same Modulated signal in frequency band, but the adjacent frequency channels in uplink spectrum segment 1510 can also include originally in difference At the modulated signal in the adjacent frequency channels for being located at uplink segment 1510 in inherently/original frequency band but by frequency conversion.Example Such as, the first signal of communication in 2.4GHz frequency band and second in identical frequency band (that is, 2.4GHz) can be communicated Signal carries out frequency conversion, and is thus located in the adjacent frequency channels of uplink spectrum segment 1510.In another figure It, can be logical to the first signal of communication in 1.9GHz frequency band and second in different frequency bands (that is, 2.4GHz) in showing Believe that signal carries out frequency conversion, and is thus located in the adjacent frequency channels of uplink spectrum segment 1506.It therefore, can be with It is occupied using any combination with identical or different signaling protocol and the modulated signal of identical or different intrinsic/original frequency band The frequency channels of uplink spectrum segment 1510.It should be noted that the frequency spectrum depending on appropriate position distributes, downlink chain Road spectral slice 1506 and uplink spectrum segment 1510 itself can be separated by protection band or with other adjacent to each other and only Mode is separated by bigger frequency interval.
Turning now to Figure 15 B, the block diagram 1520 of the example, non-limiting embodiment of diagram communication node is shown.Specifically Ground, the communicating node devices such as communication node 1404A of radio distributing antenna system include base-station interface 1522, duplex Device/bis- letters device assembly 1524 and two transceivers 1530 and 1532.It is noted, however, that working as communication node 1404A When base stations co-located equal with macro base station 1402, it is convenient to omit duplexer/bis- letters device assembly 1524 and transceiver 1530, and And transceiver 1532 can couple directly to base-station interface 1522.
In various embodiments, base-station interface 1522 receives the one or more downlinks having in the first spectral slice First modulated signal of channel, for transmission to client device, such as one or more mobile communication equipments.First frequency spectrum piece Segment table shows original/intrinsic frequency band of the first modulated signal.First modulated signal may include following such as LTE or other 4G are wireless Agreement, 5G wireless communication protocol, ultra wide band protocols, WiMAX agreement, 802.11 or other protocol of wireless local area network and/or other One or more downlink communication channels of the signaling protocols such as communication protocol.Duplexer/bis- letters device assembly 1524 will be in the The first modulated signal in one spectral slice is delivered to transceiver 1530, so as to as free space radio signal and in communication section One or more mobile communication equipments within the scope of point 1404A carry out direct communication.In various embodiments, transceiver 1530 is Implement via the analog circuitry system of the following terms is only provided: filtering, for making the original/intrinsic in its of modulated signal The frequency spectrum of downlink channel and uplink channel in frequency band passes through while out of band signal of decaying;Power amplification;Emit/connects Receive exchange;Duplex;Double letters;And impedance matching, one for driving that the wireless signal to interface 1410 sent and received A or mutiple antennas.
In other embodiments, transceiver 1532 is configured in various embodiments to the first modulated signal Analog signal processing is executed in the case where not modifying the signaling protocol of the first modulated signal in the first spectral slice Frequency conversion of first modulated signal to the first modulated signal under first carrier frequency.First under first carrier frequency Modulated signal can occupy one or more frequency channels of downlink spectrum segment 1506.First carrier frequency can be located at In millimeter wave or microwave band.As it is used herein, analog signal processing includes filtering, exchange, duplex, double letters, amplification, frequency It rate lifter change and does not need to include but is not limited at the digital signals such as analog-to-digital conversion, digital-to-analogue conversion or digital frequency conversion Other simulation process of reason.In other embodiments, transceiver 1532 can be configured to do not utilizing any form Analog signal processing in the case where apply to the first modulated signal and Digital Signal Processing and do not modifying the first modulated signal The frequency conversion to the first modulated signal in the first spectral slice to first carrier frequency is executed in the case where signaling protocol.? Again in other embodiments, transceiver 1532 can be configured to apply Digital Signal Processing and mould to the first modulated signal Quasi- processing combining and executing in the case where not modifying the signaling protocol of the first modulated signal in the first spectral slice The first modulated signal to first carrier frequency frequency conversion.
Transceiver 1532 can be further configured for accordingly referring to one or more control channels, one or more Signal (such as pilot signal or other reference signals), and/or one or more clock signals are together in first carrier frequency Under the first modulated signal emit together to the network element of distributing antenna system (such as one or more downlink communication nodes 1404B-E), so as to once the first modulated signal is converted to the first spectral slice by the network element by the first modulated signal It wirelessly distributes to other one or more mobile communication equipments.Specifically, reference signal enables network element to reduce To the first modulated signal from first carrier frequency to phase error (and/or the other forms during the processing of the first spectral slice Distorted signals).Control channel may include a plurality of instruction, these instruct the communication node for guiding distributing antenna system The first modulated signal under first carrier frequency is transformed into the first modulated signal in the first spectral slice, so as to It controls frequency selection and reuses mode, switching and/or other control signalings.It is being via control channel transmitting and received instruction In the embodiment of digital signal, transceiver 1532 may include providing analog-to-digital conversion, digital-to-analogue conversion and handling via control letter Road is sent and/or the digital signal processing section part of received numerical data.It can use and use downlink spectrum segment 1506 The clock signal of supply come synchronize by downlink communication node 1404B-E in order to from the control channel restore instruction and/or mention The timing of the digital control channel processing carried out for other clock signals.
In various embodiments, transceiver 1532 can be received from network elements such as communication node 1404B-E and is in The second modulated signal under second carrier frequency.Second modulated signal may include being abided by by what one or more modulated signals occupied Follow such as LTE or other 4G wireless protocols, 5G wireless communication protocol, ultra wide band protocols, 802.11 or other WLANs association One or more uplink frequency channels of the signaling protocols such as view and/or other communication protocols.Specifically, mobile or static logical Believe that equipment generates the second modulated signal in the second spectral slice (such as original/intrinsic frequency band), and network element will The second modulated signal frequency conversion in the second spectral slice at the second modulated signal under the second carrier frequency and is worked as The second modulated signal under the second carrier frequency emits it when being received by communication node 1404A.Transceiver 1532 Operated the second tune being transformed into the second spectral slice with the second modulated signal that will be under the second carrier frequency Signal processed, and second will be in the second spectral slice via duplexer/bis- letter device assemblies 1524 and base-station interface 1522 Modulated signal is sent to the base stations such as macro base station 1402 to be handled.
Consider the following example for implementing communication node 1404A in distributing antenna system.It can use according to DOCSIS The 4G such as 2.0 or more advanced standard agreement, WiMAX standard agreement, ultra wide band protocols, 802.11 standard agreements, LTE protocol Or 5G voice-and-data agreement and/or other standards communication protocol modulate the signal with otherwise formatting to occupy The downlink tone in uplink frequency channel and downlink spectrum segment 1506 in line link spectral slice 1510 Rate channel.Other than the agreement for following Current standards, any agreement in these agreements can be modified for combining The system of Figure 14 A is operated together.For example, can modify 802.11 agreements or other agreements to include additional guide And/or individual data channel, to provide collision detection/multiple access access over a wider area (for example, allowing via downlink The network element or communication that the certain frequency channel of link spectral segment 1506 or uplink spectrum segment 1510 is communicated The communication equipment that ground is coupled to the network element is heard each other).In various embodiments, uplink spectrum segment 1510 All downlink frequency channels of all uplink frequency channels and downlink spectrum segment 1506 can whole roots It is formatted according to same communication protocol.However, in alternative solution, it can be in uplink spectrum segment 1510 and downlink chain In 1506 the two of road spectral slice using two or more different agreements come for example with various client devices it is simultaneous Hold and/or is operated in different bands.
It, can be according to the first standard agreement come to downlink tone spectral slice when using two or more different agreements First subset of the downlink frequency channel of section 1506 is modulated;And it can be according to different from first standard agreement The second standard agreement be modulated come the second subset of the downlink frequency channel to downlink spectrum segment 1506.Together Sample can be received the first subset of the uplink frequency channel of uplink spectrum segment 1510 by the system so as to basis First standard agreement is demodulated;And the upper of uplink spectrum segment 1510 can be received according to the second standard agreement The second subset of downlink frequency channel is so as to according to second standard agreement progress for being different from first standard agreement Demodulation.
According to these examples, base-station interface 1522 can be configured for from base stations such as macro base stations 1402 or other are logical Modulated signal, such as one or more downlink channel in its original/intrinsic frequency band are received at communication network element.Class As, base-station interface 1522 can be configured for supplying received modulated signal, institute from another network element to base station It states modulated signal and is believed by frequency conversion at the modulation with one or one uplink channel in its original/intrinsic frequency band Number.Base-station interface 1522 can bidirectionally convey such as uplink channel and downlink via with macro base station or other network elements The signals of communication such as link channel (in its original/intrinsic frequency band), communications control signal and other network signals it is wired Or wireless interface is implemented.Duplexer/bis- letters device assembly 1524 be configured for by downlink channel (Gu in its is original/ Have in frequency band) it is delivered to transceiver 1532, the transceiver is by the frequency of downlink channel from its original/intrinsic frequency band frequency conversion To the frequency spectrum of interface 1410 --- in this case, for for by signal of communication downlink be sent to distributing antenna system The wireless communication link of one or more other communication nodes 1404B-E within the scope of communication equipment 1404A.
In various embodiments, transceiver 1532 include simulation radio, the simulation radio by be mixed or other Heterodyne movement carries out frequency conversion to downlink channel signal (in its original/intrinsic frequency band), occupies downlink chain to generate The downlink frequency channel of road spectral slice 1506 through frequency conversion downlink channel signal.In this diagram, downlink Spectral slice 1506 is within the downlink band of interface 1410.In embodiment, downlink channel signal is by former from it Beginning/intrinsic frequency band up-conversion to downlink spectrum segment 1506 28GHz, 38GHz, 60GHz, 70GHz or 80GHz frequency band, To carry out sighting distance wireless communication with one or more other communication nodes 1404B-E.It is noted, however, that being directed to down Line link spectral slice 1506 equally can be using other frequency bands (for example, 3GHz to 5GHz).For example, transceiver 1532 can be by Be configured to: the frequency band of interface 1410 drop to one or more downlink channel signals original/eigenfrequency spectrum band it In the case where lower, lower change is carried out to one or more of downlink channel signals in its original/eigenfrequency spectrum band Frequently.
Transceiver 1532 can be coupled to: multiple separate antennas for being communicated with communicating node device 1404B, The antenna 1422 such as presented in conjunction with Figure 14 D;Or the phased array for being communicated with the multiple equipment at different location Column can turn to wave beam or multibeam antenna system.Duplexer/bis- letters device assembly 1524 may include duplexer, triplexer, separation Device, switch, router and/or as " channel duplexer " operated with provide on a plurality of communication path via uplink The other assemblies of the two-way communication of one or more original/eigenfrequency spectrum segments of channel and downlink channel.
In addition to will be down forwarded with the carrier frequency for being different from its original/eigenfrequency spectrum band at it through Frequency-variable Modulation signal Except his communication node 1404B-E, communication node 1404A can also will be from its original/intrinsic frequency via wireless interface 1411 The whole or selected part of the modulated signal of bands of a spectrum modification are conveyed to the client in the range for wireless communication of communication node 1404A End equipment.Modulated signal in its original/eigenfrequency spectrum band is delivered to transceiver by duplexer/bis- letter device assemblies 1524 1530.Transceiver 1530 may include channel selection filter and power amplifier, and the channel selection filter is for selecting One or more downlink channel, and the power amplifier is coupled in conjunction with Figure 14 D antenna 1424 presented etc. One or more antennas set to emit the downlink channel to mobile or fixed wireless via wireless interface 1411 It is standby.
Other than destination is the downlink communication of client device, communication node 1404A can also be with reciprocal Mode is operated to handle the uplink communication for being originated from client device.In operation, transceiver 1532 is via interface 1410 uplink spectrum receives the uplink channel in uplink spectrum segment 1510 from communication node 1404B-E. Uplink frequency channel in uplink spectrum segment 1510 includes modulated signal, and the modulated signal is by communication node 1404B-E is converted to the uplink frequency channel of uplink spectrum segment 1510 from its original/eigenfrequency spectrum band.In interface 1410 situations operated in intrinsic/high frequency band of original signal spectrum segment of the modulated signal than being supplied by client device Under, the modulated signal through up-conversion is downconverted to its original frequency band by transceiver 1532.However, in interface 1410 than by client In the case of being operated in intrinsic/low frequency band of original signal spectrum segment of the modulated signal of end equipment supply, transceiver 1532 By downconverted modulated signal up-conversion to its original frequency band.In addition, transceiver 1530 is operable to via wirelessly connecing Mouth 1411 receives all or selected modulated signals of modulated signal (in its original/intrinsic frequency band) from client device.It is double Work device/bis- letters device assembly 1524 will be via the received modulated signal of transceiver 1530 (in its original/intrinsic frequency band) conveying To base-station interface 1522, to be sent to other network elements of macro base station 1402 or communication network.Similarly, uplink is occupied The modulation letter that its original/intrinsic frequency band is converted to by transceiver 1532 of uplink frequency channel in road spectral slice 1510 Number be provided to duplexer/bis- letters device assembly 1524, so as to be delivered to base-station interface 1522 to be sent to macro base station 1402 or Other network elements of communication network.
Turning now to Figure 15 C, the block diagram 1535 of the example, non-limiting embodiment of diagram communication node is shown.Specifically Ground, the communicating node devices packet such as communication node 1404B, 1404C, 1404D or 1404E of radio distributing antenna system Include transceiver 1533, duplexer/bis- letters device assembly 1524, amplifier 1538 and two transceivers 1536A and 1536B.
In various embodiments, transceiver 1536A is from communication node 1404A or the receiving area uplink communication node 1404B-E The first modulated signal under first carrier frequency, the first carrier frequency and the converted frequency spectrum in distributing antenna system In the first modulated signal channel (for example, frequency channels of one or more downlink spectrum segment 1506) drop point phase It is corresponding.First modulated signal includes the first communication data for being provided by base station and being directed to mobile communication equipment.Transceiver 1536A is further configured for receiving one or more control channels and one or more accordingly from communication node 1404A Reference signal (such as pilot signal or other reference signals), and/or with the first modulated signal under the first carrier frequency Associated one or more clock signal.First modulated signal may include following such as LTE or other 4G wireless protocols, 5G Wireless communication protocol, ultra wide band protocols, WiMAX agreement, 802.11 or other protocol of wireless local area network and/or other communication protocols One or more downlink communication channels of equal signaling protocols.
As discussed previously, reference signal enable network element reduce to the first modulated signal from first carrier Frequency to the first spectral slice (that is, original/eigenfrequency spectrum) processing during phase error (and/or the signal of other forms Distortion).Control channel includes a plurality of instruction, and the communication node that described instruction is used to indicate distributing antenna system will be in first The first modulated signal under carrier frequency is transformed into the first modulated signal in the first spectral slice, to control frequency choosing Select and reuse mode, switching and/or other control signalings.Clock signal can synchronize by downlink communication node 1404B-E in order to From the control channel restore instruction and/or other clock signals are provided and carry out digital control channel processing timing.
Amplifier 1538 can be two-way amplifier, to the first modulated signal under first carrier frequency together with ginseng Signal, control channel and/or clock signal is examined to be amplified together to be coupled to receipts via duplexer/bis- letters device assembly 1524 Send out device 1536B, the transceiver served as in this diagram repeater with for will be under first carrier frequency through amplification the One modulated signal re-emits the position into communication node 1404B-E together with reference signal, control channel and/or clock signal Other the one or more communication nodes operated in the shown downstream communication node 1404B-E and in a similar manner.
Amplified the first modulated signal together with reference signal, control channel and/or clock under first carrier frequency Signal is also coupled to transceiver 1533 via duplexer/bis- letters device assembly 1524 together.Transceiver 1533 holds control channel Row Digital Signal Processing, to restore instruction from the control channel, such as using the instruction of digital data form.Clock letter Number for synchronous digital control channel processing timing.Then, transceiver 1533 is according to described instruction and based on to the first modulation Simulation (and/or number) signal processing of signal is executed to the first modulated signal under first carrier frequency to being in the The frequency conversion of the first modulated signal in one spectral slice, and during reducing the conversion process using the reference signal Distortion.Transceiver 1533 wirelessly emits the first modulated signal in the first spectral slice, so as to as free space without Line signal carries out direct communication with one or more mobile communication equipments within the scope of communication node 1404B-E.
In various embodiments, transceiver 1536B is from other network elements (such as positioned at shown communication node The one or more in the downstream 1404B-E other communication node 1404B-E) it receives in uplink spectrum segment 1,510 second The second modulated signal under carrier frequency.Second modulated signal may include follow such as LTE or other 4G wireless protocols, 5G without Line communication protocol, ultra wide band protocols, 802.11 or the signaling protocols such as other protocol of wireless local area network and/or other communication protocols One or more uplink communication channels.Specifically, one or more mobile communication equipments, which generate, is in the second spectral slice The second modulated signal in (such as original/intrinsic frequency band), and downlink network element is executed in the second spectral slice The second modulated signal to the second modulated signal being under the second carrier frequency frequency conversion and when be in uplink spectrum To described the when the second modulated signal in segment 1510 under second carrier frequency is received by shown communication node 1404B-E Two modulated signals are emitted.Transceiver 1536B is operable to will be in second via duplexer/bis- letters device assembly 1524 The second modulated signal under carrier frequency is sent to amplifier 1538 to amplify, and sends out again via transceiver 1536A It is emitted back towards to communication node 1404A or uplink communication node 1404B-E, is back to such as macro base station 1402 further to re-emit Equal base stations are to be handled.
Transceiver 1533 can also be received from one or more mobile communication equipments within the scope of communication node 1404B-E The second modulated signal in the second spectral slice.Transceiver 1533: it is operable to for example connect via control channel It is executed under the control of the instruction of receipts to the second modulated signal in the second spectral slice to being under the second carrier frequency The frequency conversion of second modulated signal;Reference signal, control channel and/or clock signal are inserted into be used for by communication node 1404A Second modulated signal is remapped and is back to original/eigenfrequency spectrum segment;And it via duplexer/bis- letters device assembly 1524 and puts The second modulated signal under the second carrier frequency is sent to transceiver 1536A to amplify and again by big device 1538 Transmitting is back to communication node 1404A or uplink communication node 1404B-E, is back to macro base station 1402 etc. further to emit Base station is to be handled.
Turning now to Figure 15 D, the figure schematic diagram 1540 of the example, non-limiting embodiment of graphical spectrum is shown.Specifically Ground shows frequency spectrum 1542 for the distributing antenna system of transmission modulated signal, and the modulated signal is at it from one Or multiple original/eigenfrequency spectrum segments occupy downlink at frequency spectrum 1542 by frequency conversion (for example, via up-conversion or down coversion) later The frequency channels of link segment 1506 or uplink spectrum segment 1510.
In the example presented, downlink (downlink) channel band 1544 includes by individual downlink tone spectral slice Multiple downlink frequency channels that section 1506 indicates.Equally, uplink (uplink) channel band 1546 includes by individual uplink Multiple uplink frequency channels that link spectral segment 1510 indicates.The spectral shape of independent spectral slice means for each modulation The placeholder of the frequency of signal and associated reference signal, control channel and clock signal distribution.Downlink tone spectral slice Section 1506 or the response of the actual spectrum of each frequency channels in uplink spectrum segment 1510 will be based on used agreement With modulate and further changed according to the time.
According to asymmetric communication system, the quantity of uplink spectrum segment 1510 can be less than or greater than downlink tone The quantity of spectral slice section 1506.In this case, up channel frequency band 1546 can be narrower than or be wider than down channel frequency band 1544. In alternative solution, in the case where implementing symmetrical communication systems, under the quantity of uplink spectrum segment 1510 can be equal to The quantity of line link spectral slice 1506.In this case, the width of up channel frequency band 1546 can be equal to down channel The width of frequency band 1544, and bit padding or other data filling techniques can be used to compensate the variation of upstream traffic.To the greatest extent Pipe down channel frequency band 1544 is shown at the frequency lower than up channel frequency band 1546, but in other embodiments, Down channel frequency band 1444 can be located at the frequency higher than up channel frequency band 1546.In addition, the quantity of spectral slice and these Respective frequencies position of the spectral slice in frequency spectrum 1542 can over time and dynamic changes.For example, can be in frequency spectrum Common control channel is provided in 1542 (not shown), the common control channel can indicate each downlink to communication node 1404 The frequency location of link spectral segment 1506 and each uplink spectrum segment 1510.Depending on traffic conditions or need The network demand of bandwidth is redistributed, downlink spectrum segment 1506 can be changed by means of the common control channel With the quantity of uplink spectrum segment 1510.In addition, downlink spectrum segment 1506 and uplink spectrum segment 1510 It need not separate and be grouped.For example, common control channel can be in an alternating fashion or symmetrical any can be or can not be Other combinations are to identify the downlink spectrum segment 1506 for being followed by uplink spectrum segment 1510.It should be further noted that It is that, instead of utilizing common control channel, multiple control channels can be used, each control channel identifies one or more frequency spectrum pieces The frequency location of section and the type (that is, uplink or downlink) of spectral slice.
In addition, although down channel frequency band 1544 and up channel frequency band 1546 are all shown as occupying single continuous frequency Band, but in other embodiments depends on available frequency spectrum and/or used communication standard, can using two or more Multiple up channel frequency bands and/or two or more down channel frequency bands.Uplink spectrum segment 1510 and downlink The frequency channels of spectral slice 1506 can be by according to DOCSIS 2.0 or more advanced standard agreement, WiMAX standard agreement, super 4G the or 5G voice-and-data agreements such as wideband protocol, 802.11 standard agreements, LTE protocol and/or other standards communication protocols View modulates, occupying through frequency variation signal of formatting.It, can be in these agreements other than the agreement for following Current standards Any agreement is modified for that shown system is combined to be operated together.For example, can to 802.11 agreements or other Agreement is modified to include additional guide and/or individual data channel, thus provide over a wider area collision detection/ Multiple access access (for example, allowing to hear each other via the equipment that certain frequency channel is communicated).In various embodiments, uplink All uplink frequency channels of link spectral segment 1510 and all downlinks of downlink spectrum segment 1506 Frequency channels are formatted all according to same communication protocol.However, in alternative solution, it can be in one or more uplinks The downlink chain of the uplink frequency channel of link spectral segment 1510 and one or more downlink spectrum segments 1506 In the frequency channels the two of road using two or more different agreements come it is for example compatible with various client devices and/ Or it is operated in different bands.
It should be noted that modulated signal can be collected from different original/eigenfrequency spectrum segments, to gather frequency In spectrum 1542.By this method, the first part of the uplink frequency channel of uplink spectrum segment 1510 can be with uplink The uplink frequency channel of link spectral segment 1510 by from one or a different original/eigenfrequency spectrum segment into The second part of row frequency conversion is adjacent.Similarly, the first part of the downlink frequency channel of downlink spectrum segment 1506 It can be from the downlink frequency channel of downlink spectrum segment 1506 by from one or a different original/intrinsic The second part that spectral slice carries out frequency conversion is adjacent.For example, can by 802.11 channel of one or more 2.4GHz of frequency conversion By adjacent with 802.11 channel of one or more 5.8GHz of frequency spectrum 1542 being also converted to centered on 80GHz.It answers When it is noted that each spectral slice, which can have pilot signal etc., can be used for generation under some frequency and phase The associated reference signal of local oscillator signals, the local oscillator signals provide the one or more to this spectral slice Frequency channels are from its drop point in frequency spectrum 1542 to the frequency conversion for being back to its original/eigenfrequency spectrum segment.
Turning now to Figure 15 E, the figure schematic diagram 1550 of the example, non-limiting embodiment of graphical spectrum is shown.Specifically Ground is presented as combined by the transceiver 1530 of communication node 1440A or the transceiver 1532 of communication node 1404B-E to selected The spectral slice selection that the signal processing that spectral slice executes is discussed.As shown, selection includes uplink channel frequency Specific uplink frequency-portions 1558 with 1546 one of uplink spectrum segment 1510 and believe including downlink The particular downlink frequency-portions 1556 of one of the downlink spectrum segment 1506 of road frequency band 1544 are filtered by channel selection Wave passes through, wherein the rest part of uplink channel band 1546 and downlink channel frequency band 1544 is filtered out --- i.e. It is attenuated, to mitigate the adverse effect of the processing to the expected frequency channel passed through by transceiver.Although should be noted that The single specific uplink spectral slice 1510 of selection and particular downlink spectral slice 1506 are shown, but in other realities It applies in example, two or more uplink spectral slices and/or downlink spectrum segment can be made to pass through.
Although transceiver 1530 and 1532 can based on static channel filter uplink frequency part 1558 and under It is operated in the case that uplink frequency part 1556 is fixed, but it is as discussed previously, it can be used and believe via control Transceiver 1530 and 1532 is dynamically configured to specific frequency selection by the instruction that road is sent to transceiver 1530 and 1532.With This mode, can by other network elements of macro base station 1402 or communication network by the uplink frequency channels of corresponding spectral slice and Downlink frequency channels are dynamically assigned to each communication node, so as to the performance of Optimum distribution formula antenna system.
Turning now to Figure 15 F, the figure schematic diagram 1560 of the example, non-limiting embodiment of graphical spectrum is shown.Specifically Ground shows frequency spectrum 1562 for the distributing antenna system of transmission modulated signal, and the modulated signal is at it from one Or multiple original/eigenfrequency spectrum segments occupy uplink at frequency spectrum 1562 by frequency conversion (for example, via up-conversion or down coversion) later The frequency channels of link spectral segment or downlink spectrum segment.
Uplink and downlink data can be conveyed using two or more different communication protocols as discussed previously. When using two or more different agreements, the first son of the downlink frequency channel of downlink spectrum segment 1506 Collection can be by occupying through Frequency-variable Modulation signal according to the first standard agreement;And identical or different downlink spectrum segment The second subset of 1510 downlink frequency channel can be by assisting according to the second standard for being different from first standard agreement View is occupied through Frequency-variable Modulation signal.It is also possible to receive the uplink of uplink spectrum segment 1510 by the system First subset of frequency channels according to first standard agreement to be demodulated;And it can be connect according to the second standard agreement The second subset of the uplink frequency channel of identical or different uplink spectrum segment 1510 is received so as to according to different from institute Second standard agreement for stating the first standard agreement is demodulated.
In shown example, down channel frequency band 1544 includes by indicating the first kind using the first communication protocol Independent spectral shape come more than first a downstream spectrum segments for indicating.Down channel frequency band 1544 ' includes by indicating to use the The independent spectral shape of the Second Type of two communication protocols is come more than second a downstream spectrum segments for indicating.Equally, up channel Frequency band 1546 includes by indicating indicate using the independent spectral shape of the first kind of first communication protocol A uplink spectrum segment more than one.Up channel frequency band 1546 ' includes by indicating described second using second communication protocol The independent spectral shape of type is come more than second a uplink spectrum segments for indicating.These individual spectral shapes mean for each The placeholder of the frequency distribution of independent spectral slice and associated reference signal, control channel and/or clock signal.Although Individually channel width is shown as roughly the same for the channel of the first kind and Second Type, but it should be appreciated that It is that uplink and downlink channel frequency band 1544,1544 ', 1546 and 1546 ' can have different bandwidth.In addition, depending on available Frequency spectrum and/or used communication standard, spectral slice in the channel band of these first kind and Second Type can be with With different bandwidth.
Turning now to Figure 15 G, the figure schematic diagram 1570 of the example, non-limiting embodiment of graphical spectrum is shown.Specifically Ground, for from one or more original/eigenfrequency spectrum segments by the letter of frequency conversion (for example, via up-conversion or down coversion) The form of road signal shows the frequency spectrum 1542 or 1562 of Figure 15 D to Figure 15 F to transmit the distributing antenna system of modulated signal A part.
Part 1572 includes a part of downlink spectrum segment 1506 or uplink spectrum segment 1510, the portion Divide a part reserved for control channel, reference signal and/or clock signal for being indicated by spectral shape and being indicated bandwidth. For example, spectral shape 1574 indicates the control channel separated with reference signal 1579 and clock signal 1578.It should be noted that Clock signal 1578 is shown as to need to be adjusted to the frequency of the sinusoidal signal of the form of more conventional clock signal with expression Spectral shape.However, in other embodiments, conventional clock signal can be used as modulation carrier wave to send, such as, by via width Value modulation keeps carrier phase to be modulated for use as other modulation techniques of phase reference to reference signal 1579.At it In his embodiment, by being modulated to another carrier wave or clock signal can be emitted as another signal.In addition, It should be noted that clock signal 1578 and reference signal 1579 be both shown as control channel 1574 frequency band it Outside.
In another example, part 1575 includes downlink spectrum segment 1506 or uplink spectrum segment 1510 A part, a part that the part is reserved by expression bandwidth for control channel, reference signal and/or clock signal Spectral shape a part indicate.Spectral shape 1576 indicates the control channel with instruction, and described instruction includes via width Value modulation, amplitude shift keying keep carrier phase to be modulated for use as other modulation techniques of phase reference to reference signal Numerical data.Clock signal 1578 is shown as except the frequency band of spectral shape 1576.By control channel vector modulation Reference signal is actually the subcarrier of control channel, and in the band of control channel.Again, clock signal 1578 is shown For with indicate sinusoidal signal spectral shape, however, in other embodiments, conventional clock signal can be used as modulation carrier wave Or other signals are sent.In this case, the instruction of control channel can be used for clock signal 1578 and non-reference letter It number is modulated.
Consider following example, in the example, is modulated via to using the reference signal of continuous wave (CW) form Control channel 1576 is carried, downlink or uplink spectrum segment frequency conversion be back to its original/eigenfrequency spectrum segment Period corrects the phase distortion in receiver according to the reference signal.It can use such as pulse amplitude modulation, binary system The robust modulations such as phase-shift keying (PSK), amplitude shift keying or other modulation schemes are modulated control channel 1576, to carry point Instruction between the network element of cloth antenna system, such as network operation, the operation and management traffic and other control numbers According to.In various embodiments, control data may include:
Indicate the status information of the network performance parameter of presence, off-line state and each network element.
Module title and the network equipment informations such as address, hardware version and software version, capacity of equipment.
Such as frequency conversion factor, channel spacing, protection band, uplink/downlink distribution, uplink and downlink chain The spectrum informations such as path channels selection.
The environment measurements such as weather conditions, image data, power cut-off information, sighting distance blocking.
In a further example, control channel data can be sent via ultra wide band (UWB) signaling.It can be by with spy Fix time interval generate radio energy and occupied via pulse position modulation or time-modulation bigger bandwidth, by pair The polarity or amplitude of UWB pulse encode and/or carry out emission control channel data by using orthogonal pulses.Specifically, UWB Pulse can sporadically be sent with relatively low pulse rate to support time-modulation or position modulation, but can also be with It is sent with being up to the rate of UWB pulse bandwidth inverse.By this method, control channel can be with relatively low power in UWB Extended on frequency spectrum, and will not interfere to the reference signal of the band inner portion for the UWB spectrum that may occupy control channel and/or when The CW of clock signal emits.
Turning now to Figure 15 H, the block diagram 1580 of the example, non-limiting embodiment of diagram transmitter is shown.Specifically, Transmitter 1582 is shown as making together with the digital control channel processor 1595 in such as receiver 1581 and transceiver With the transceiver 1533 that the transceiver is such as presented in conjunction with Figure 15 C.As shown, transmitter 1582 includes AFE(analog front end) 1586, clock-signal generator 1589, local oscillator 1592, frequency mixer 1596 and transmitter front-end 1584.
Amplified the first modulated signal together with reference signal, control channel and/or clock under first carrier frequency Signal is coupled to AFE(analog front end) 1586 from amplifier 1538 together.AFE(analog front end) 1586 include one or more filters or its His frequency selection, so as to by control channel signal 1587, clock reference signal 1578, pilot signal 1591 and one or more Selected channel signal 1594 separates.
Digital control channel processor 1595 executes Digital Signal Processing to control channel, such as to control via to number The demodulation of channel data processed restores instruction from control channel signal 1587.Clock-signal generator 1589 is according to clock reference Signal 1578 generates clock signal 1590, so as to the synchronous digital control channel carried out by digital control channel processor 1595 The timing of reason.It is in sinusoidal embodiment in clock reference signal 1578, clock-signal generator 1589 can be provided and be put Big and limitation is so as to according to sine curve generation conventional clock signal or other clock signals.In clock reference signal 1578 In embodiment for modulation carrier signal (such as, to reference signal or pilot signal or other load wave modulations), clock signal Generator 1589 can provide demodulation to generate conventional clock signal or other clock signals.
In various embodiments, control channel signal 1587 can be divides with pilot signal 1591 and clock reference 1588 In the frequency range opened through digital modulation signals, or as the modulation of pilot signal 1591.In operation, digital control letter Road processor 1595 provides the demodulation to control channel signal 1587 to extract instruction wherein included, to generate control signal 1593.Specifically, it can be used by digital control channel processor 1595 in response to being given birth to via the received instruction of control channel At control signal 1593 select particular channel signal 1594 and corresponding pilot signal 1591 and/or clock reference 1588, the pilot signal and/or clock reference are used to carry out transformation to the frequency of channel signal 1594 thus via wirelessly connecing Mouth 1411 is emitted.It should be noted that being transmitted in control channel signal 1587 via the modulation to pilot signal 1591 In the case where instruction, can be via digital control channel processor 1595 rather than AFE(analog front end) 1586 extracts as shown Pilot signal 1591.
Digital control channel processor 1595 can be via such as microprocessor, microcontroller, digital signal processor, micro- Computer, central processing unit, field programmable gate array, programmable logic device, state machine, logic circuitry, number It circuit system, analog-digital converter, digital analog converter and/or is manipulated based on the hard coded to circuit system and/or operational order The processing modules such as any equipment of signal (simulation and/or digital) are implemented.The processing module can be or further Including memory and/or integral memory element, the integral memory element can be single memory equipment, multiple storages Device equipment, and/or another processing module, module, the flush type circuit system of processing circuit and/or processing unit.It is such to deposit Storage device can be read-only memory, random access memory, volatile memory, nonvolatile memory, static storage Device, dynamic memory, flash memory, cache memory and/or any equipment for storing digital information.It should be noted that such as Fruit processing module includes more than one processing equipment, then these processing equipments can be positioned at center (for example, via it is wired and/ Or wireless bus structure is directly coupled together) or can position in a distributed manner (for example, via by local area network and/or extensively The cloud computing of the INDIRECT COUPLING of domain net).It further notes that, the memory of storage corresponding operating instruction and/or storage Device element can be embedded in microprocessor, microcontroller, digital signal processor, microcomputer, central processing unit, scene can Gate array, programmable logic device, state machine, logic circuitry, digital circuitry, analog-digital converter, digital-to-analogue is programmed to turn Within parallel operation or other equipment or positioned at these device externals.Still it further notes that, memory component can be deposited Storage, and processing module executes hard coded instruction corresponding at least some of steps described herein and/or function And/or operational order, and such memory devices or memory component may be implemented as product.
Local oscillator 1592 generates local oscillator signals 1597 using pilot signal 1591, to reduce conversion process The distortion of period.In various embodiments, pilot signal 1591 is in the correct frequency and phase of local oscillator signals 1597, To generate the local oscillator signals 1597 under the appropriate frequency and phase, thus by channel signal 1594 (be in and its Under the associated carrier frequency of drop point in the frequency spectrum of distributing antenna system) it is converted into its original/eigenfrequency spectrum segment, so as to Emit to fixed or mobile communication equipment.In this case, local oscillator 1592 can using bandpass filtering and/or other Signal Regulation come generate keep pilot signal 1591 frequency and phase sinusoidal local oscillator signal 1597.In other implementations In example, pilot signal 1591 has the frequency and phase that can be used for exporting local oscillator signals 1597.In this case, Local oscillator 1592 generated based on pilot signal 1591 using frequency dividing, frequency multiplication or other frequency synthesis in appropriate frequency and Local oscillator signals 1597 under phase, thus by channel signal 1594 (be in and its distributing antenna system frequency spectrum In the associated carrier frequency of drop point) be converted into its original/eigenfrequency spectrum segment, set for transmission to fixed or mobile communication It is standby.
Frequency mixer 1596 is based on local oscillator signals 1597 and is operable to carry out frequency displacement to channel signal 1594, from And it generates in its corresponding original/eigenfrequency spectrum segment through frequency conversion channel signal 1598.Although showing single mixer stage, It is that channel signal can be moved on into base band and/or one or more intermediate frequencies as the one of total frequency conversion using multiple mixer stages Part.Front end transmitter (Xmtr) 1584 includes power amplifier and impedance matching, to wait one via antenna 1424 Or mutiple antennas will be emitted to as free space radio signal in communication node 1404B-E range through frequency conversion channel signal 1598 Interior one or more movements or fixed communication apparatus.
Turning now to Figure 15 I, the block diagram 1585 of the example, non-limiting embodiment of diagram receiver is shown.Specifically, Receiver 1581 is shown as making together with the digital control channel processor 1595 in such as transmitter 1582 and transceiver With the transceiver 1533 that the transceiver is such as presented in conjunction with Figure 15 C.As shown, receiver 1581 includes that simulation receives Front end device (RCVR) 1583, local oscillator 1592 and frequency mixer 1596.Digital control channel processor 1595 is from control It is operated under the control of the instruction of channel, to generate pilot signal 1591, control channel signal 1587 and clock reference letter Numbers 1578.
It can also use by digital control channel processor 1595 in response to being generated via the received instruction of control channel Control signal 1593 come the phase that selects particular channel signal 1594 and converted for the frequency to channel signal 1594 Pilot signal 1591 and/or clock reference 1588 are answered, to be received via wireless interface 1411.Analog receiver front end 1583 include low-noise amplifier and one or more filters or the selection of other frequencies, so as in the control of control signal 1593 System is lower to receive one or more selected channel signals 1594.
Local oscillator 1592 generates local oscillator signals 1597 using pilot signal 1591, to reduce conversion process The distortion of period.In various embodiments, local oscillator using bandpass filtering and/or other Signal Regulations, frequency dividing, frequency multiplication or Other frequency synthesis generate the local oscillator signals 1597 in appropriate frequency and phase based on pilot signal 1591, thus Channel signal 1594, pilot signal 1591, control channel signal 1587 and clock reference signal 1578 are converted to distributed day The frequency spectrum of linear system system, for transmission to other communication nodes 1404A-E.Specifically, frequency mixer 1596 is believed based on local oscillator Numbers 1597 are operable to carry out frequency displacement to channel signal 1594, to generate the spectral shaping for being in distributing antenna system In segment expectation drop point through frequency conversion channel signal 1598, to be coupled to amplifier 1538, to transceiver 1536A to carry out Amplify and re-emitted via transceiver 1536A and be back to communication node 1404A or uplink communication node 1404B-E, thus into one It walks and re-emits the base station for being back to such as macro base station 1402 to be handled.It again, can although showing single mixer stage Channel signal is moved on to base band and/or one or more intermediate frequencies as one of total frequency conversion using multiple mixer stages Point.
Turning now to Figure 16 A, the flow chart of the example, non-limiting embodiment of method 1600 is shown.Method 1600 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Method 1600 may begin at step 1602, In this step, the equal base stations of the macro base station 1402 of Figure 14 A determine the travel rate of communication equipment.The communication equipment can be with Be one of mobile device 1406 illustrated in such as Figure 14 B mobile communication equipment or static communication equipment (for example, house or Communication equipment in commercial undertaking).Base station can use radio honeycomb communication technology (for example, LTE) and communication equipment directly into Row communication, the radio honeycomb communication technology enable base station by receiving location information from the communication equipment to monitor The movement of communication equipment is stated, and/or the channel radios such as voice service and/or data service can be provided to the communication equipment Telecommunications services.During communication session, base station utilizes one or more of some bandwidth (for example, 10MHz-20MHz) with communication equipment A spectral slice (for example, resource block) exchanges with some intrinsic/original carrier frequency (for example, 900MHz frequency band, 1.9GHz frequency Band, 2.4GHz frequency band, and/or 5.8GHz frequency band etc.) wireless signal that is operated.In some embodiments, according to by base station The timeslot scheduling for distributing to communication equipment to use these spectral slices.
It, can be according to the GPS coordinate provided from communication equipment by means of cellular radio signal to base station at step 1602 To determine the travel rate of communication equipment.If travel rate is more than threshold value (for example, 25 mph.) at step 1604, Then at step 1606, the radio resource that base station can use base station continues to provide wireless service to communication equipment.In another party Face, if communication equipment has the travel rate lower than the threshold value, base station can be configured for further determining described Whether communication equipment can be redirectrf to communication node so that the radio resource of base station can be used for other communication equipments.
For example, it is assumed that base station detects that communication equipment has slow travel rate (for example, 3mph or close to static).? In some cases, base station can also determine that the communication equipment is placed in particular communication node 1404 by the current location of communication equipment Communication range in.It is specific logical that base station can also determine that the slow travel rate of communication equipment will be such that the communication equipment maintains Believe that sufficiently long grace time (another threshold testing that can be used by base station) is in the communication range of node 1404 to prove It is correct that the communication equipment, which is redirectrf to particular communication node 1404,.Once having carried out such determination, base station is just It may be advanced to step 1608 and select the communication node 1404 being located in the communication range of communication equipment so as to the communication Equipment provides communication service.
Therefore, the selection course executed at step 1608 can be based on according to the GPS provided from communication equipment to base station Coordinate and the communications device locations of determination.Selection course is also based on the travel track of communication equipment, and the track can be It is determined according to several examples of the GPS coordinate provided by the communication equipment.In some embodiments, base station can determine The track of communication equipment is placed in the communication equipment for finally adjacent with the communication node selected by step 1608 latter logical In the communication range for believing node 1404.In the present embodiment, base station can inform this track to multiple communication nodes 1404, so that The switching for the communication service that opposite communication equipment provides can be coordinated by obtaining communication node 1404.
Once having selected one or more communication nodes 1404 at step 1608, base station can proceed to step 1610, in this step, base station distributed at first carrier frequency (for example, 1.9GHz) one or more spectral slices (for example, Resource block) to be used by communication equipment.By base station selected first carrier frequency and/or spectral slice need not in base station and The carrier frequency and/or spectral slice used between communication equipment is identical.For example, it is assumed that base station and communication equipment are utilizing Carrier frequency under 1.9GHz carries out wireless communication between each other.At step 1610, base station can be in step 1608 institute The communication node of choosing selects different carrier frequencies (for example, 900MHz), to be communicated with communication equipment.Similarly, base Standing can distribute and (multiple) spectral slice (for example, resource block) for using between base station and communication equipment for communication node And/or different (multiple) spectral slice and/or timeslot scheduling of timeslot scheduling of (multiple) spectral slice.
At step 1612, base station can generate (multiple) frequencies distributed in step 1610 under first carrier frequency (multiple) first modulated signal in spectral slice section.(multiple) first modulated signals may include being directed to communication equipment Data, the data indicate voice communication session, data communication session or combinations thereof.At step 1614, base station can will be located (multiple) first modulated signal up-conversion under the first intrinsic carrier frequency (for example, 1.9GHz) (is filtered using frequency mixer, band logical Wave device and other circuit systems) to the second carrier frequency (for example, 80GHz), to be selected at step 1608 being directed to Such signal is transmitted in one or more frequency channels of the downlink spectrum segment 1506 of communication node 1404.It is alternative Ground, (multiple) first that base station can provide under first carrier frequency to the first communication node 1404A (illustrating in Figure 14 A) adjust Signal processed is so as to up-conversion to the second carrier frequency, in the downlink for being directed to the communication node 1404 selected at step 1608 It is transmitted in one or more frequency channels of link spectral segment 1506.
At step 1616, base station can be with firing order communication equipment is changed into the communication that step 1608 place is selected Node 1404.When communication equipment carries out direct communication using the radio resource of base station and the base station, these instructions can be by It is directed to the communication equipment.Alternatively, these instructions can be by means of the downlink spectrum segment that illustrates in Figure 15 A 1506 control channel 1502 is communicated to the communication node 1404 selected at step 1608 place.Step 1616 can be in step Before 1612-1614, later or simultaneously occur.
Once these instructions have been launched, base station can proceed to step 1618, and in this step, the base station exists Transmitting is under the second carrier frequency (for example, 80GHz) in one or more frequency channels of downlink spectrum segment 1506 The first modulated signal, to be emitted by the first communication node 1404A (being illustrated in Figure 14 A).Alternatively, in step At 1614, the first communication node 1404A can execute up-conversion, receive from base station in the first intrinsic carrier frequency to work as Under (multiple) first modulated signal when transmit and be in one or more frequency channels of downlink spectrum segment 1506 The first modulated signal under second carrier frequency.First communication node 1404A can serve as principal communication node, for according in step It is distributed at rapid 1610 to the downlink spectrum segment 1506 that each communication node 1404 distributes to downlink communication node 1404 The down link signal generated by base station.It can be by means of the control channel that is illustrated in Figure 15 A by the first communication node 1404A The instruction emitted in 1502 provides the distribution of downlink spectrum segment 1506 to communication node 1404.At step 1618, (multiple) first under the second carrier frequency are received in one or more frequency channels of downlink spectrum segment 1506 The communication node 1404 of modulated signal can be configured for: (multiple) first modulated signal by described in downconverts to first carrier Frequency, and removed using the pilot signal of the supply of (multiple) first modulated signal described in use by downlink spectrum segment (for example, phase distortion) is distorted caused by the distribution that 1506 communications hop between communication node 1404B-D jumps onto.Specifically, Export pilot tone it can believe from the local oscillator signals for generating frequency upconversion (for example, via frequency multiplication and/or frequency division) Number.When needing to carry out down coversion, pilot signal can be used to rebuild the frequency of local oscillator signals and phasing version This (for example, via frequency multiplication and/or frequency dividing), it is original in frequency band so that modulated signal is back to it with minimum phase error Part.In this way, it is possible to which the frequency channels to communication system carry out frequency conversion, to be transmitted via distributing antenna system And its initial protion in frequency spectrum is then return to emit to wireless client device.
Once downconversion process is completed, at step 1622, communication node 1404 can utilize and distribute to communication node 1404 same spectral slice emits the first modulated signal under the first intrinsic carrier frequency (for example, 1.9GHz) to logical Believe equipment.It can coordinate step 1622, so that it has been changed into according to the instruction provided at step 1616 in communication equipment Occur after communication node 1404.In order to keep this transformation seamless, and in order to avoid interrupting between base station and communication equipment Existing wireless communications session, the instruction provided in step 1616 can guide communication equipment and/or communication node 1404 to be converted to (multiple) distributed spectral slice and/or timeslot scheduling, the communication node 1404 selected as communication equipment and step 1608 place Between a part of enrollment process and/or subsequent.In some instances, such transformation may require communication equipment in short-term Between concurrently wirelessly communicated with base station and communication node 1404 in section.
Once communication equipment is successfully transitioned to communication node 1404, communication equipment can terminate the channel radio with base station Letter, and continue communication session by means of communication node 1404.The wireless service terminated between base station and communication equipment makes base The certain radio resources stood can be used for being used together with other communication equipments.Although should be noted that base station aforementioned Wireless connection is entrusted into selected communication node 1404 in step, but the communication session between base station and communication equipment by means of The network of the communication node 1404 illustrated in Figure 14 A continues as before.However, the difference is that, base station no longer needs It is communicated using the radio resource of their own with communication equipment.
In order to provide two-way communication between base station and communication equipment, by means of the network of communication node 1404, Ke Yiming Enable communication node 1404 and/or communication equipment using one or more uplinks frequency in the uplink illustrated in Figure 15 A One or more frequency channels of spectral slice section 1510.At step 1616, it can be mentioned to communication node 1404 and/or communication equipment For uplink instruction, one of the enrollment process between communication node 1404 selected as communication equipment and step 1608 place Divide and/or subsequent.Therefore, when the data that there is communication equipment it to need transmitting to base station, the communication equipment can be wireless Ground transmitting can be adjusted at step 1624 by received (multiple) second under the first intrinsic carrier frequency of communication node 1404 Signal processed.(multiple) second modulated signals may include providing at step 1616 to communication equipment and/or communication node Instruction in specify one or more uplink spectrum segments 1510 one or more frequency channels in.
In order to which (multiple) second modulated signal is sent to base station, communication node 1404 can be at step 1626 by these Signal is from the first intrinsic carrier frequency (for example, 1.9GHz) up-conversion to the second carrier frequency (for example, 80GHz).On making Row communication node and/or base station can remove distortion, and (multiple) second modulated signal under the second carrier frequency can be in step Emitted by communication node 1404 using one or more uplink pilots 1508 at 1628.Once base station is via logical Letter node 1404A receives (multiple) second modulated signal under the second carrier frequency, base station can at step 1630 incite somebody to action These signals downconvert to the first intrinsic carrier frequency from the second carrier frequency to obtain by communication equipment in step 1632 The data of offer.Alternatively, the first communication node 1404A, which can be executed, modulates (multiple) second under the second carrier frequency Signal to the first intrinsic carrier frequency down coversion, and to base station provide caused by signal.Then, base station can be to first (multiple) second modulated signal under intrinsic carrier frequency is handled, if so as to direct to be carried out with base station and communication equipment How base station should handle that the signal from communication equipment is similar in the case where wireless communication or exact same way is retrieved The data provided by communication equipment.
Abovementioned steps method 1600 provides one kind for base station 1402 and makes radio resource (for example, fan antenna, frequency spectrum) The mode for the communication equipment that can be used for fast moving, and in some embodiments, pass through the communication equipment weight that will slowly move It is directed to and is communicatively coupled to one or more communication nodes 1404 of base station 1402 to improve bandwidth availability ratio.For example, it is assumed that A communication node 1404 in ten (10) that there is it can be redirectrf to mobile and/or static communication equipment for base station 1402.Into One step assumes that this 10 communication nodes 1404 have the communication range of substantially non-overlap.
It is further assumed that base station 1402 has left during particular time-slot and has been in certain under special carrier frequency These spectral slices are distributed to this all 10 communication nodes by spectral slice (for example, resource block 5,7 and 9), the base station 1404.During operation, base station 1402 can be configured as be not utilized as communication node 1404 and reserve in the timeslot scheduling phase Between and the resource block 5,7 and 9 under the carrier frequency, to avoid interfering.When base station 1402 detect it is slowly moving or quiet When communication equipment only, can the position based on the communication equipment communication equipment is redirectrf to this 10 communications Different communication node in node 1404.For example, when the communication of particular communication devices is redirectrf to specific lead to by base station 1402 When believing node 1404, base station 1402 can will become during distributed time slot and on the resource block 5,7 and 9 under carrier frequency One or more spectral ranges on frequency to the downlink (participating in Figure 15 A) for distributing to discussed communication node 1404.
The communication node 1404 discussed can also be distributed to it can be used to believe the communication provided by communication equipment Number it is redirectrf to the one or more of one or more uplink spectrum segments 1510 in the uplink of base station 1402 Frequency channels.It can be by communication node 1404 according to dividing in one or more corresponding uplink spectrum segments 1510 It is concurrently incident upon base station 1402 to carry out up-conversion to this kind of signal of communication with uplink frequency channel, to be handled.It can Downlink and uplink frequency channel to be distributed by means of control channel as depicted in figure 15 a by base station 1402 It is conveyed to each communication node 1404.Afore-mentioned downlink and uplink assigning process can be also used for other communication nodes 1404, to provide communication service to other communication equipments for being redirectrf to these other communication nodes by base station 1402.
In this diagram, by this 10 communication nodes 1404 to during corresponding time slot is dispatched and under carrier frequency The bandwidth availability ratio of base station 1402 effectively can be improved up to 10 times by reusing for resource block 5,7 and 9.Although base station 1402 is not It is able to use again to carry out wirelessly for the resource block 5,7 and 9 that this 10 communication nodes 1404 are reserved with other communication equipments Communication, but communication equipment is redirectrf to the ability for reusing 10 different communication nodes 1404 of these resource blocks by it Effectively improve the bandwidth ability of base station 1402.Therefore, in certain embodiments, base station 1402 can be improved in method 1600 Bandwidth availability ratio and the resource of base station 1402 is made to can be used for other communication equipments.
It is to be appreciated that in some embodiments, base station 1402 can be configured to selection base station 1402 The direction of antenna system reused point far from the one or more sectors for the communication node 1404 for distributing to same frequency spectrum segment The spectral slice of dispensing communication node 1404.Therefore, base station 1402 can be configured for: in some embodiments, avoid weight With the certain spectral slices for distributing to certain communication nodes 1404;And in other embodiments, pass through selection base station 1402 Other spectral slices of other communication nodes 1404 are distributed to reuse in the particular sector of antenna system.Similar concept can answer The sector as used by communication node 1404 for antenna system 1424.It can be based on by base station 1402 and/or one or more The sector that a communication node 1404 utilizes is come between base station 1402 and one or more of communication nodes 1404 using certain Reuse scheme.
Method 1600, which is also achieved, reuses tradition system when communication equipment is redirectrf to one or more communication nodes System.For example, base station and communication equipment can be carried out wireless communication utilized signaling protocol (for example, LTE) is maintained at base station In the signal of communication exchanged between communication node 1404.Therefore, when spectral slice is distributed to communication node 1404, It is being carried out between base station and communication node 1404, to the modulated signal in these segments exchange can be base station carry out with The identical signal that the direct wireless communication of communication equipment should use.Therefore, it can use added distortion mitigation feature to come Update traditional base station to execute previously described up-conversion and downconversion process, and execute in hardware and/or software with Every other function for just handling the modulated signal under the first intrinsic carrier frequency can keep being basically unchanged.Also It should be noted that in a further embodiment, the channel conversion from original frequency band to same agreement can be utilized Another frequency band.For example, the LTE channel in 2.5GHz frequency band can be up-converted in 80GHZ frequency band, to be transmitted, and And then it is downconverted to 5.8GHz LTE channel (if spectral diversity needs).
It should further be noted that in the case where the range disclosed without departing substantially from this theme, can to method 1600 into Row adjustment.For example, when base station detect communication equipment have will lead to from the communication range of a communication node to another When the track of transformation, the base station (or the communication node discussed) can be by means of the periodicity that is provided by the communication equipment GPS coordinate monitors this kind of track, and correspondingly switching of the coordinating communication equipment to other communication nodes.It can also be by method 1600 are adjusted such that when communication equipment is near transition point of the communication range from a communication node to another, can Under guiding the communication equipment and/or other communication nodes to utilize by base station (or movable communication node) firing order Certain spectral slices and/or time slot in Downlink channels and uplink channel successfully change communication, without interrupting Existing communication session.
It should further be noted that can be with method of adjustment 1600, to coordinate in a case where by communication equipment Wireless communication between communication node 1404 switches back to base station: when base station or movable communication node 1404 detect and communicate Equipment will be transitioned into except the communication range of the communication node and in the communication range of the communication equipment in some point There is no when other communication nodes.This theme discloses other adjustment contemplated to method 1600.It should further be noted that When the carrier frequency of downlink spectral slice or uplink spectrum segment is lower than the intrinsic frequency band of modulated signal, will need Carry out the inverse process of frequency conversion.That is, the modulated signal when transmission in downlink spectrum segment or uplink spectrum segment When, by frequency of use down coversion rather than up-conversion.And downlink spectrum segment or uplink spectrum are in when extracting When modulated signal in segment, by frequency of use up-conversion rather than down coversion.Can further method of adjustment 1600, to make The processing to the numerical data in control channel is synchronized with above-mentioned clock signal.Can with method of adjustment 1600, with Just the reference signal modulated or the clock modulated by the instruction in control channel is used by the instruction in control channel to believe Number.
Further method of adjustment 1600 to avoid the movement of tracking communication equipment but multiple communications can be guided instead Node 1404 emits the modulated signal (under its intrinsic frequency) of particular communication devices, without knowing which communication node is in In the communication range of the particular communication devices.Similarly, each communication node can be ordered to connect from the particular communication devices Modulated signal is received, and transmits such signal in certain frequency channels of one or more uplink spectrum segments 1510, Without knowing which communication node will receive modulated signal from the particular communication devices.This embodiment can help Reduce the implementation complexity and cost of communication node 1404.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 A Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 B, the flow chart of the example, non-limiting embodiment of method 1635 is shown.Method 1635 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1636 includes: by comprising circuit system System receive the first modulated signal in the first spectral slice for being directed to mobile communication equipment, wherein it is described First modulated signal follows signaling protocol.Step 1637 includes: by the system based on the signal processing to the first modulated signal And the first modulated signal in the first spectral slice is become in the case where not modifying the signaling protocol of the first modulated signal Change the first modulated signal under first carrier frequency into, wherein the first carrier frequency is in the first frequency spectrum piece Except section.Step 1638 includes: by reference signal by the system together with the first modulated signal under first carrier frequency Emit to the network element of distributing antenna system, the reference signal enables the network element to reduce when will be in the The first modulated signal under one carrier frequency remaps into the first modulated signal in the first spectral slice so as to the First modulated signal is wirelessly distributed to phase error when mobile communication equipment in one spectral slice.
In various embodiments, signal processing does not need analog-to-digital conversion or digital-to-analogue conversion.It is described transmitting may include by The first modulated signal under first carrier frequency emits as free space radio signal to network element.Described first carries Wave frequency rate can be located in millimeter wave frequency band.
First modulated signal can generate in the following manner: according to signaling protocol in multiple frequency channels In signal be modulated to generate the first modulated signal in the first spectral slice.The signaling protocol may include length Phase evolution (LTE) wireless protocols or the 5th generation cellular communication protocol.
It may include: by the first modulated signal up-conversion in the first spectral slice by the transformation that the system carries out For the first modulated signal under first carrier frequency, or will become under the first modulated signal in the first spectral slice Frequency is the first modulated signal under first carrier frequency.May include: by the transformation that network element carries out will be in first The first modulated signal under carrier frequency down-converts to the first modulated signal in the first spectral slice, or will be in the The first modulated signal under one carrier frequency up-converts to the first modulated signal in the first spectral slice.
The method may further include: the under the second carrier frequency is received from network element by the system Two modulated signals, wherein mobile communication equipment generates the second modulated signal in the second spectral slice, and wherein, net The second modulated signal in the second spectral slice is transformed into the second modulation under the second carrier frequency by network element to be believed Number and emit the second modulated signal under the second carrier frequency.The method may further include: will by the system The second modulated signal under the second carrier frequency is transformed into the second modulated signal in the second spectral slice;And by The system sends base station for the second modulated signal in the second spectral slice to handle.
Second spectral slice can be different from first spectral slice, and wherein, the first carrier frequency It can be different from second carrier frequency.The system can be installed to the first electric pole, and the network element can be with It installs to the second electric pole.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 B Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 C, the flow chart of the example, non-limiting embodiment of method 1640 is shown.Method 1635 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1641 includes: by spaced antenna system The network element of system receives reference signal and the first modulated signal under first carrier frequency, first modulated signal Including being provided by base station and being directed to the first communication data of mobile communication equipment.Step 1642 includes: by the network element The first modulated signal under first carrier frequency is transformed into based on the signal processing to the first modulated signal and is in by part The first modulated signal in first spectral slice;And reduce the distortion during the transformation using reference signal.Step 1643 include: wirelessly to be emitted the first modulated signal under the first spectral slice to mobile communication by the network element Equipment.
In various embodiments, the first modulated signal follows signaling protocol, and signal processing is not modifying the first modulation The first modulated signal in the first spectral slice is transformed into first carrier frequency in the case where the signaling protocol of signal The first modulated signal under rate.It may include: in the signaling association for not modifying the first modulated signal by the transformation that network element carries out The first modulated signal under first carrier frequency first in the first spectral slice is transformed into the case where view to adjust Signal processed.The method may further include: being received by the network element and is in second by what mobile communication equipment generated The second modulated signal in spectral slice;The second modulated signal in the second spectral slice is converted by the network element At the second modulated signal under the second carrier frequency;And by the network element by the under the second carrier frequency Two modulated signals emit to other network elements of distributing antenna system.Other network elements of distributing antenna system can be with The second modulated signal under the second carrier frequency is received, the second modulated signal under the second carrier frequency is transformed into The second modulated signal in the second spectral slice, and the second modulated signal in the second spectral slice is supplied to Base station is to be handled.Second spectral slice can be different from first spectral slice, and the first carrier Frequency can be different from second carrier frequency.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 C Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 D, the flow chart of the example, non-limiting embodiment of method 1645 is shown.Method 1645 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1646 includes: by comprising circuit system System receive the first modulated signal in the first spectral slice for being directed to mobile communication equipment, wherein it is described First modulated signal follows signaling protocol.Step 1647 includes: by the system based on the signal processing to the first modulated signal And the first modulated signal in the first spectral slice is become in the case where not modifying the signaling protocol of the first modulated signal Change the first modulated signal under first carrier frequency into, wherein the first carrier frequency is in the first frequency spectrum piece Except section.Step 1648 includes: by the system come the instruction in emission control channel, to guide the net of distributing antenna system The first modulated signal under first carrier frequency is transformed into the first modulation in the first spectral slice by network element to be believed Number.Step 1649 includes: to be emitted reference signal together with the first modulated signal under first carrier frequency by the system To the network element of distributing antenna system, the reference signal enables the network element to reduce and works as and will carry in first The first modulated signal under wave frequency rate remaps into the first modulated signal in the first spectral slice so as in the first frequency First modulated signal is wirelessly distributed to phase error when mobile communication equipment, wherein the reference signal in spectral slice section It is launched relative to the control channel with out-of-band frequency.
In various embodiments, control channel is with the frequency adjacent with the first modulated signal under first carrier frequency And/or it is launched with the frequency adjacent with reference signal.The first carrier frequency can be located in millimeter wave frequency band.Described One modulated signal can generate in the following manner: be adjusted according to signaling protocol to the signal in multiple frequency channels System is to generate the first modulated signal being in the first spectral slice.The signaling protocol may include long term evolution (LTE) nothing Wire protocol or the 5th generation cellular communication protocol.
It may include: by the first modulated signal up-conversion in the first spectral slice by the transformation that the system carries out For the first modulated signal under first carrier frequency, or will become under the first modulated signal in the first spectral slice Frequency is the first modulated signal under first carrier frequency.May include: by the transformation that network element carries out will be in first The first modulated signal under carrier frequency down-converts to the first modulated signal in the first spectral slice, or will be in the The first modulated signal under one carrier frequency up-converts to the first modulated signal in the first spectral slice.
The method may further include: the under the second carrier frequency is received from network element by the system Two modulated signals, wherein mobile communication equipment generates the second modulated signal in the second spectral slice, and wherein, net The second modulated signal in the second spectral slice is transformed into the second modulation under the second carrier frequency by network element to be believed Number and emit the second modulated signal under the second carrier frequency.The method may further include: will by the system The second modulated signal under the second carrier frequency is transformed into the second modulated signal in the second spectral slice;And by The system sends base station for the second modulated signal in the second spectral slice to handle.
Second spectral slice can be different from first spectral slice, and wherein, the first carrier frequency It can be different from second carrier frequency.The system can be installed to the first electric pole, and the network element can be with It installs to the second electric pole.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 D Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 E, the flow chart of the example, non-limiting embodiment of method 1650 is shown.Method 1650 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1651 includes: by spaced antenna system The network element of system receives reference signal, control channel and the first modulated signal under first carrier frequency, and described the One modulated signal includes the first communication data for being provided by base station and being directed to mobile communication equipment, wherein the control letter Instruction in road guides the network element of distributing antenna system to convert the first modulated signal under first carrier frequency At the first modulated signal in the first spectral slice, wherein the reference signal is outer with band relative to the control channel Frequency is received.Step 1652 includes: by the network element according to instruction and based on the signal processing to the first modulated signal The first modulated signal under first carrier frequency is transformed into the first modulated signal in the first spectral slice;With And reduce distortion during the transformation using reference signal.Step 1653 includes: will be in first by the network element The first modulated signal under spectral slice wirelessly emits to mobile communication equipment.
In various embodiments, control channel can be with adjacent with the first modulated signal under first carrier frequency And/or the frequency adjacent with reference signal is next received.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 E Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 F, the flow chart of the example, non-limiting embodiment of method 1655 is shown.Method 1655 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1656 includes: by comprising circuit system System receive the first modulated signal in the first spectral slice for being directed to mobile communication equipment, wherein it is described First modulated signal follows signaling protocol.Step 1657 includes: by the system based on the signal processing to the first modulated signal And the first modulated signal in the first spectral slice is become in the case where not modifying the signaling protocol of the first modulated signal Change the first modulated signal under first carrier frequency into, wherein the first carrier frequency is in the first frequency spectrum piece Except section.Step 1658 includes: by the system come the instruction in emission control channel, to guide the net of distributing antenna system The first modulated signal under first carrier frequency is transformed into the first modulation in the first spectral slice by network element to be believed Number.Step 1659 includes: to be emitted reference signal together with the first modulated signal under first carrier frequency by the system To the network element of distributing antenna system, the reference signal enables the network element to reduce and works as and will carry in first The first modulated signal under wave frequency rate remaps into the first modulated signal in the first spectral slice so as in the first frequency First modulated signal is wirelessly distributed to phase error when mobile communication equipment, wherein the reference signal in spectral slice section It is launched relative to the control channel with in-band frequency.
In various embodiments, described instruction is emitted via the modulation to reference signal.Described instruction can be made Emit for numerical data via the amplitude modulation to reference signal.The first carrier frequency can be located at millimeter wave frequency band In.First modulated signal can generate in the following manner: according to signaling protocol in multiple frequency channels Signal is modulated to generate the first modulated signal in the first spectral slice.The signaling protocol may include drilling for a long time Into (LTE) wireless protocols or the 5th generation cellular communication protocol.
It may include: by the first modulated signal up-conversion in the first spectral slice by the transformation that the system carries out For the first modulated signal under first carrier frequency, or will become under the first modulated signal in the first spectral slice Frequency is the first modulated signal under first carrier frequency.May include: by the transformation that network element carries out will be in first The first modulated signal under carrier frequency down-converts to the first modulated signal in the first spectral slice, or will be in the The first modulated signal under one carrier frequency up-converts to the first modulated signal in the first spectral slice.
The method may further include: the under the second carrier frequency is received from network element by the system Two modulated signals, wherein mobile communication equipment generates the second modulated signal in the second spectral slice, and wherein, net The second modulated signal in the second spectral slice is transformed into the second modulation under the second carrier frequency by network element to be believed Number and emit the second modulated signal under the second carrier frequency.The method may further include: will by the system The second modulated signal under the second carrier frequency is transformed into the second modulated signal in the second spectral slice;And by The system sends base station for the second modulated signal in the second spectral slice to handle.
Second spectral slice can be different from first spectral slice, and wherein, the first carrier frequency It can be different from second carrier frequency.The system can be installed to the first electric pole, and the network element can be with It installs to the second electric pole.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 F Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 G, the flow chart of the example, non-limiting embodiment of method 1660 is shown.Method 1660 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1661 includes: by spaced antenna system The network element of system receives reference signal, control channel and the first modulated signal under first carrier frequency, and described the One modulated signal includes the first communication data for being provided by base station and being directed to mobile communication equipment, wherein the control letter Instruction in road guides the network element of distributing antenna system to convert the first modulated signal under first carrier frequency At the first modulated signal in the first spectral slice, and wherein, the reference signal relative to the control channel with In-band frequency receives.Step 1662 includes: by the network element according to instruction and based on the signal to the first modulated signal The first modulated signal under first carrier frequency is transformed into the first modulated signal in the first spectral slice by reason; And reduce distortion during the transformation using reference signal.Step 1663 includes: will be in the by the network element The first modulated signal under one spectral slice wirelessly emits to mobile communication equipment.
In various embodiments, described instruction is via the demodulation to reference signal and/or as numerical data via right The amplitude demodulation of reference signal comes received.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 G Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 H, the flow chart of the example, non-limiting embodiment of method 1665 is shown.Method 1665 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1666 includes: by comprising circuit system System receive the first modulated signal in the first spectral slice for being directed to mobile communication equipment, wherein it is described First modulated signal follows signaling protocol.Step 1667 includes: by the system based on the signal processing to the first modulated signal And the first modulated signal in the first spectral slice is become in the case where not modifying the signaling protocol of the first modulated signal Change the first modulated signal under first carrier frequency into, wherein the first carrier frequency is in the first frequency spectrum piece Except section.Step 1668 includes: by the system come the instruction in emission control channel, to guide the net of distributing antenna system The first modulated signal under first carrier frequency is transformed into the first modulation in the first spectral slice by network element to be believed Number.Step 1669 includes: to be emitted clock signal together with the first modulated signal under first carrier frequency by the system To the network element of distributing antenna system, wherein digital control channel of the clock signal synchronization to the network element The timing of processing is so as to the recovery instruction from the control channel.
In various embodiments, the method further includes: by the system by reference signal together in first carry The first modulated signal under wave frequency rate emits to the network element of distributing antenna system, and the reference signal makes the network Element can reduce remaps into the first spectral slice when by the first modulated signal under first carrier frequency The first modulated signal so as to the first modulated signal is wirelessly distributed in the first spectral slice mobile communication equipment when Phase error.Described instruction can be used as numerical data via control channel to emit.
In various embodiments, the first carrier frequency can be located in millimeter wave frequency band.First modulated signal It can generate: the signal in multiple frequency channels is modulated according to signaling protocol to generate place in the following manner The first modulated signal in the first spectral slice.The signaling protocol may include long term evolution (LTE) wireless protocols or Five generation cellular communication protocols.
It may include: by the first modulated signal up-conversion in the first spectral slice by the transformation that the system carries out For the first modulated signal under first carrier frequency, or will become under the first modulated signal in the first spectral slice Frequency is the first modulated signal under first carrier frequency.May include: by the transformation that network element carries out will be in first The first modulated signal under carrier frequency down-converts to the first modulated signal in the first spectral slice, or will be in the The first modulated signal under one carrier frequency up-converts to the first modulated signal in the first spectral slice.
The method may further include: the under the second carrier frequency is received from network element by the system Two modulated signals, wherein mobile communication equipment generates the second modulated signal in the second spectral slice, and wherein, net The second modulated signal in the second spectral slice is transformed into the second modulation under the second carrier frequency by network element to be believed Number and emit the second modulated signal under the second carrier frequency.The method may further include: will by the system The second modulated signal under the second carrier frequency is transformed into the second modulated signal in the second spectral slice;And by The system sends base station for the second modulated signal in the second spectral slice to handle.
Second spectral slice can be different from first spectral slice, and wherein, the first carrier frequency It can be different from second carrier frequency.The system can be installed to the first electric pole, and the network element can be with It installs to the second electric pole.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 H Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 I, the flow chart of the example, non-limiting embodiment of method 1670 is shown.Method 1670 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1671 includes: by spaced antenna system The network element of system receives clock signal, control channel and the first modulated signal under first carrier frequency, and described the One modulated signal includes the first communication data for being provided by base station and being directed to mobile communication equipment, wherein the clock letter Number synchronous digital control channel processing carried out by the network element in order to restore to instruct from the control channel when Sequence, wherein the instruction in the control channel guides the network element of distributing antenna system will be under first carrier frequency The first modulated signal be transformed into the first modulated signal in the first spectral slice.Step 1672 includes: by the network Element is believed the first modulation under first carrier frequency according to instruction and based on the signal processing to the first modulated signal Number it is transformed into the first modulated signal in the first spectral slice.Step 1673 includes: will be in the by the network element The first modulated signal under one spectral slice wirelessly emits to mobile communication equipment.In various embodiments, described instruction is It is next received via control channel as numerical data.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 I Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 J, the flow chart of the example, non-limiting embodiment of method 1675 is shown.Method 1675 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1676 includes: by comprising circuit system System receive the first modulated signal in the first spectral slice for being directed to mobile communication equipment, wherein it is described First modulated signal follows signaling protocol.Step 1677 includes: by the system based on the signal processing to the first modulated signal And the first modulated signal in the first spectral slice is become in the case where not modifying the signaling protocol of the first modulated signal Change the first modulated signal under first carrier frequency into, wherein the first carrier frequency is in the first frequency spectrum piece Except section.Step 1678 includes: the instruction emitted in ultra wide band control channel by the system, to guide spaced antenna system The first modulated signal under first carrier frequency is transformed into first in the first spectral slice by the network element of system Modulated signal.Step 1659 includes: to be believed reference signal together with the first modulation under first carrier frequency by the system To the network element of distributing antenna system, the reference signal enables the network element to reduce when will be in for number transmitting The first modulated signal under first carrier frequency remap into the first modulated signal in the first spectral slice so as to First modulated signal is wirelessly distributed to phase error when mobile communication equipment in the first spectral slice.
In various embodiments, wherein first reference signal is relative to the ultra wide band control channel with interior frequency Rate is launched.The method may further include: via the ultra wide band control channel from the network of distributing antenna system Element receive include the following contents control channel data: indicate described in the status information of the network state of network element, instruction The network equipment information of the facility information of network element indicates the environment measurement close to the environmental aspect of the network element. Described instruction may further include channel spacing, protection band parameter, uplink/downlink distribution or uplink letter Road selection.
First modulated signal can generate in the following manner: according to signaling protocol in multiple frequency channels In signal be modulated to generate the first modulated signal in the first spectral slice.The signaling protocol may include length Phase evolution (LTE) wireless protocols or the 5th generation cellular communication protocol.
It may include: by the first modulated signal up-conversion in the first spectral slice by the transformation that the system carries out For the first modulated signal under first carrier frequency, or will become under the first modulated signal in the first spectral slice Frequency is the first modulated signal under first carrier frequency.May include: by the transformation that network element carries out will be in first The first modulated signal under carrier frequency down-converts to the first modulated signal in the first spectral slice, or will be in the The first modulated signal under one carrier frequency up-converts to the first modulated signal in the first spectral slice.
The method may further include: the under the second carrier frequency is received from network element by the system Two modulated signals, wherein mobile communication equipment generates the second modulated signal in the second spectral slice, and wherein, net The second modulated signal in the second spectral slice is transformed into the second modulation under the second carrier frequency by network element to be believed Number and emit the second modulated signal under the second carrier frequency.The method may further include: will by the system The second modulated signal under the second carrier frequency is transformed into the second modulated signal in the second spectral slice;And by The system sends base station for the second modulated signal in the second spectral slice to handle.
Second spectral slice can be different from first spectral slice, and wherein, the first carrier frequency It can be different from second carrier frequency.The system can be installed to the first electric pole, and the network element can be with It installs to the second electric pole.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 J Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
Turning now to Figure 16 K, the flow chart of the example, non-limiting embodiment of method 1680 is shown.Method 1680 can be with It is used together with the one or more functions presented in conjunction with Fig. 1-15 with feature.Step 1681 includes: by spaced antenna system The network element of system receives reference signal, ultra wide band control channel and the first modulated signal under first carrier frequency, First modulated signal includes the first communication data for being provided by base station and being directed to mobile communication equipment, wherein described Instruction in ultra wide band control channel guides the network element of distributing antenna system by first under first carrier frequency Modulated signal is transformed into the first modulated signal in the first spectral slice, and wherein, the reference signal is relative to institute Control channel is stated to be received with in-band frequency.Step 1682 includes: by the network element according to instruction and based on to the first tune The first modulated signal under first carrier frequency is transformed into the first spectral slice by the signal processing of signal processed The first modulated signal;And reduce distortion during the transformation using reference signal.Step 1683 includes: by the net Network element wirelessly emits the first modulated signal under the first spectral slice to mobile communication equipment.
In various embodiments, wherein first reference signal is relative to the ultra wide band control channel with interior frequency Rate is received.The method may further include: via the ultra wide band control channel from the network of distributing antenna system Element transmitting includes the control channel data of the following contents: being indicated described in the status information of the network state of network element, instruction The network equipment information of the facility information of network element indicates the environment measurement close to the environmental aspect of the network element. Described instruction may further include channel spacing, protection band parameter, uplink/downlink distribution or uplink letter Road selection.
Although purpose to simplify the explanation, the corresponding process is shown and described as a series of sides in Figure 16 K Frame it should be appreciated that and recognize, theme claimed is not limited by the sequence of box, because some boxes can be with Other boxes from different sequences depicted and described herein to occur and/or occur simultaneously.Furthermore, it is possible to not need institute There is the box of diagram to implement approach described herein.
In this specification, such as " repository (store) ", " storage device (storage) ", " data store (data Store) ", " data storage device (data storage) ", " database (database) " term and it is substantially any its He refers to " memory member " by information storage part relevant to the operations and functions of component, or be embodied in " memory " or Entity in component including the memory.It is to be appreciated that memory member described herein can be it is volatile Property memory either nonvolatile memory, or may include both volatile memory and nonvolatile memory, make To be illustrative and not limiting, 1320 (see below) of volatile memory, 1322 (see below) of nonvolatile memory, disk storage 1346 (see below) of 1324 (see below) of device and memory storage apparatus.In addition, nonvolatile memory may include In read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electrically-erasable ROM (EEROM) (EEPROM) or dodge In depositing.Volatile memory may include random access memory (RAM), it serves as external cache.As saying It is bright rather than limit, RAM is available in many forms, such as synchronous random access memory (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), Double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronization link DRAM (SLDRAM) and direct high frequency Dynamic ram (DRRAM).In addition, the memory member of system or method described herein is intended to including but not limited to include this A little and any other suitable type memory.
Moreover, it should be noted that disclosed theme can use other computer system configurations to practice, including list Processor or multiprocessor computer system, microcomputer, mainframe computer and personal computer, hand-held calculate Equipment (for example, PDA, phone, wrist-watch, tablet computer, netbook computer, etc.), it is based on microprocessor or programmable Consumer or industrial electronics, etc..Illustrated various aspects can also be practiced in a distributed computing environment, wherein appointing Business is executed by the remote processing devices being linked through a communication network;But even if the various aspects of present disclosure are not all of also at least Have some can practice on stand-alone computers.In a distributed computing environment, program module can be located locally and remotely In memory storage device the two.
It is described herein one or more special to promote to make embodiment described herein artificial intelligence (AI) can be used Sign automation.Embodiment is (for example, maximize valence with offer acquired in the automatic identification after being added to existing communication network Value/interests cell site is related) its each embodiment can be executed based on the scheme of AI using various.Moreover, classification Device can be used to determine the ranking or priority of each cell site of acquired network.Classifier be will input attribute to Amount x=(x1, x2, x3, x4 ... ..., xn) is mapped to the confidence level (confidence) for inputting and belonging to a kind of (class) Function, i.e. f (x)=confidence (class).This classification can be using the analysis (example based on probability and/or based on statistics Such as, analysis utilities and cost are resolved into) it predicts or infers that user it is expected the movement that is performed automatically.Support vector machines (SVM) Being can be with the example of adopted classifier.SVM is operated by finding out the hypersurface in the space that may be inputted, wherein super bent Interview figure separation trigger criteria and non-trigger events.Intuitively, this makes classification for close to training data but and training data Not exactly the same test data is correct.Other oriented and undirected category of model methods include such as naive Bayesian, shellfish The probabilistic classification for the Bu Tong independent sexual norm that leaf this network, decision tree, neural network, fuzzy logic model may be utilized with offer Model.Classification further includes the statistical regression for being used to exploitation models of priority as used herein.
As will readily appreciate that, one or more embodiments can be trained using by explicit (for example, via general instruction Practice data) and implicit point for training (for example, via observation UE behavior, network operator's preference, historical information, receiving external information) Class device.For example, SVM can via in classifier constructor and feature selection module study or the training stage configure.Therefore, (one or more) classifier can be used to learn and execute multiple functions automatically, including but not limited to true according to preassigned In fixed acquired cell site which which is beneficial in the subscriber and/or acquired cell site of maximum quantity will be to Existing communication network covering addition minimum value, etc..
As used in this specification, in some embodiments, term " component ", " system " etc. be intended to refer to or including To computer-related entity or entity relevant with having one or more operating devices of concrete function, wherein entity can To be combination, software or the software in execution of hardware, hardware and software.As an example, component can be but be not limited to The executable instruction of the process that runs on a processor, processor, object, executable program, execution thread, computer, program And/or computer.As illustrative and not limiting, the application and the server run on the server can be component.One or Multiple components may reside in the process and/or thread of execution, and component can localize on a computer and/or It is distributed between two or more computers.In addition, these components can be from being stored thereon with the various of various data structures Computer-readable medium executes.These components can be communicated via locally and/or remotely process, such as according to have one or Multiple data groupings (for example, from via signal in local system, distributed system and/or the net across such as internet In network and other systems another component interaction a component data) signal.As another example, component can be with It is the device of the concrete function provided with the machine components operated by circuit system or electronic circuit system, circuit system or electricity Sub-circuit system software as performed by processor or firmware application operate, and wherein processor can be inside or outside device And execute at least part of software or firmware application.As there are also another example, component be can be through no machinery The electronic component of part provides the device of concrete function, and the electronic component can include processor wherein, to execute at least Partly give the software or firmware of electronic component function.Although various parts are illustrated as individual component, should recognize To without departing substantially from example embodiment, multiple components may be implemented as single component or single component can To be implemented as multiple components.
In addition, each embodiment can use the programming of standard and/or engineering technology is implemented as method, apparatus or system Product control computer-implemented disclosed theme to generate software, firmware, hardware or any combination thereof.As used herein , term " product " is to cover the meter that can be accessed from any computer readable device or computer-readable storage/communication media Calculation machine program.For example, computer readable storage medium can include but is not limited to magnetic storage apparatus (for example, hard disk, floppy disk, magnetic Item), CD (for example, compact disk (CD), digital versatile disc (DVD)), smart card and flash memory device be (for example, card, stick, key Driver).It certainly, can it would be recognized by those skilled in the art that without departing substantially from the range or spirit of each embodiment To make many modifications to this configuration.
In addition, word " example " and " exemplary " be used to mean to serve as example or explanation herein.It is described herein For " example " or " exemplary " any embodiment or design be not necessarily to be construed as advantageous over or surpass other embodiments or Design.On the contrary, word sample or illustrative use are intended to that concept is presented in a concrete fashion.As used in this application , term " or (or) " is intended to mean that open "or" rather than exclusive "or".That is, unless otherwise specified or from upper Hereafter it will be apparent that otherwise " X uses A or B " is intended to refer to any natural inclusive arrangement.That is, if X uses A;X uses B; Or X uses A and B both, then all meets in " X uses A or B " how upper situation in office.In addition, such as in the application and appended power Used in sharp claim, be apparent from unless otherwise specified or from context be for singular, otherwise " one (a) " and " one (an) " should generally be interpreted to refer to " one or more ".
Moreover, such as " user equipment ", " movement station ", cellular phone, " subscriber station ", " access terminal ", " terminal ", " hand-held set ", " mobile device " (and/or the term for indicating similar terms) can refer to by the subscriber or user of radio communication service It is set for receiving or transmitting data, control, voice, video, sound, game or substantially any data flow or the wireless of signaling flow It is standby.Preceding terms are used interchangeably herein and with reference to relevant attached drawing.
In addition, term " user ", " subscriber ", " client ", " consumer " etc. can throughout be used by exchanging, unless up and down Text guarantees the specific differentiation between these terms.It is to be appreciated that this term can refer to human entity or pass through people The automation component that work intelligence (for example, ability that inference is at least made based on complicated mathematic(al) formalism) is supported, it is described from Dynamicization component can provide analog vision, voice recognition etc..
Such as employed herein, term " processor " can refer to substantially any calculation processing unit or equipment, including But it is not limited to include single core processor;Uniprocessor with software multithread executive capability;Multi-core processor;It is more with software The multi-core processor of thread executive capability;Multi-core processor with hardware multithread technology;Parallel tables;And there is distribution The parallel tables of formula shared memory.In addition, processor can refer to be designed to execute function described herein integrated circuit, Specific integrated circuit (ASIC), digital signal processor (DSP), field programmable gate array (FPGA), Programmable logical controller Device (PLC), Complex Programmable Logic Devices (CPLD), discrete gate or transistor logic, discrete hardware components or its any group It closes.Processor can use nanoscale architectural framework, transistor such as, but not limited to based on molecule and quantum dot, switch and Door, to optimize the use in space or the performance of enhancing user equipment.Processor can also be implemented as calculation processing unit Combination.
As it is used herein, such as " data storage device (data storage) ", " data storage device (data Storage) ", the term of " database (database) " and substantially any other are relevant to the operations and functions of component The entity that information storage part all refers to " memory member " or embodies in " memory " or component including memory.It answers When it is appreciated that memory member described herein or computer readable storage medium can be volatile memory or non- Volatile memory, or may include both volatile and non-volatile memories.
Memory described herein may include volatile memory or nonvolatile memory, or may include easy Both the property lost and nonvolatile memory.As illustrative and not limiting, nonvolatile memory may include read-only memory (ROM), programming ROM (PROM), electrically programmable ROM (EPROM), electric erasable PROM (EEPROM) or flash memory.Volatibility is deposited Reservoir may include random access memory (RAM), it serves as external cache.As illustrative and not limiting, RAM It is available in many forms, such as static state RAM (SRAM), dynamic ram (DRAM), synchronous dram (SDRAM), double data rate SDRAM (DDR SDRAM), enhanced SDRAM (ESDRAM), synchronization link DRAM (SLDRAM) and direct high frequency dynamic ram (DRRAM).In addition, the memory (for example, data storage device, database) of the present embodiment is intended to including but not limited to include this A little and any other suitable type memory.
Described above only includes the example of each embodiment.It is, of course, not possible in order to describe these embodiments and The combination that each of component or method are contemplated that, but those skilled in the art will realize that the embodiment presented are described Many further combinations and permutations be all possible.Therefore, described herein and/or claimed embodiment is to contain Cover all such changes belonged within spirit and scope of the claims, modifications and variations.In addition, with regard to term " including (includes) " for the range used in specific descriptions or claim, this term is will be to be similar to term " packet Include (comprising) " mode as inclusive, just as when " including (comprising) " is in the claims as turning As being explained when variable is used.

Claims (20)

1. a kind of system, comprising:
Antenna;And
Promote the communication circuitry of operation, the operation includes:
Received by the antenna include the first modulated signal in the first spectral slice the first wireless signal, described first Modulated signal is modulated according to signaling protocol;
First wireless signal is transformed into the including first modulated signal in first spectral slice One electronic signal;
Frequency conversion is carried out to generate the first updated electronic signal, the first updated electronics to first electronic signal Signal includes in the case where not modifying the signaling protocol of first modulated signal by from first spectral slice frequency Move to first modulated signal of first carrier frequency, the first carrier frequency in frequency not with the first frequency spectrum piece Section overlapping;And
The first updated electronic signal is transformed into including reference signal and under the first carrier frequency The second wireless singal of first modulated signal, the second wireless singal are connect by the network element of distributing antenna system Receive, and the reference signal enable the network element reduce when will under the first carrier frequency described the One modulated signal remaps into distorted signals when first modulated signal in the second spectral slice.
2. the system as claimed in claim 1, wherein the frequency conversion further comprises carrying out frequency displacement to the reference signal.
3. the system as claimed in claim 1, wherein the second wireless singal further comprises the control letter comprising instruction Road, described instruction guide the network element of the distributing antenna system will be under the first carrier frequency described in First modulated signal remaps into first modulated signal in second spectral slice.
4. the system as claimed in claim 1, wherein the reference signal is modulated using the instruction of control channel.
5. the system as claimed in claim 1, wherein the second wireless singal further comprises control channel, and wherein, The reference signal is to be modulated with by the network element using come the clock signal that receives the instruction in the control channel 's.
6. the system as claimed in claim 1, wherein second spectral slice is at least substantially similar to first frequency spectrum Segment.
7. the system as claimed in claim 1, wherein the signaling protocol includes long term evolution (LTE) wireless protocols or the 5th For cellular communication protocol.
8. the system as claimed in claim 1, wherein the frequency conversion include will in first spectral slice described the One modulated signal up-converts to first modulated signal under the first carrier frequency.
9. the system as claimed in claim 1, wherein as the network element carry out described in remap including institute will be in First modulated signal under first carrier frequency down-converts in second spectral slice described first is stated to adjust Signal processed.
10. the system as claimed in claim 1, wherein the frequency conversion includes will be described in first spectral slice First modulated signal down-converts to first modulated signal under the first carrier frequency.
11. the system as claimed in claim 1, wherein as the network element carry out described in remap including that will be in First modulated signal under the first carrier frequency up-converts to described first in second spectral slice Modulated signal.
12. the system as claimed in claim 1, wherein the operation further comprises:
The third wireless signal under the second carrier frequency is received from the network element, the third wireless signal includes abiding by Follow the second modulated signal that the signaling protocol is modulated, wherein mobile communication equipment generates in third spectral slice Second modulated signal, and wherein, the network element promotes described second in the third spectral slice Modulated signal frequency conversion is at second modulated signal under second carrier frequency and emits including being in described second The third wireless signal of second modulated signal under carrier frequency;
The third wireless signal is transformed into the including second modulated signal in second carrier frequency Two electronic signals;
Frequency conversion is carried out to generate the second updated electronic signal to second electronic signal, the frequency conversion do not modify it is described By second modulated signal in second carrier frequency in the case where the signaling protocol of second modulated signal To the 4th spectral slice, second carrier frequency is not Chong Die with the 4th spectral slice in frequency for frequency displacement;And
It will include the second updated electronic signal for second modulated signal being in the 4th spectral slice It is sent to base station.
13. system as claimed in claim 12, wherein the 4th spectral slice is at least substantially similar to the third frequency Spectral slice section.
14. a kind of method, comprising:
Antenna system reception by the first network element of distributing antenna system includes the modulation in the first spectral slice First wireless signal of signal, first wireless signal are to be generated by mobile communication equipment, and the modulated signal is abided by Follow signaling protocol;
First wireless signal is transformed into including the institute in first spectral slice by the first network element State the electronic signal of modulated signal;
Updated electronic signal is generated to electronic signal progress frequency conversion by the first network element, it is described to be updated Electronic signal include in the case where not modifying the signaling protocol of the modulated signal by from first spectral slice To the modulated signal of carrier frequency, the carrier frequency is Chong Die with first spectral slice in frequency for frequency displacement;With And
The updated electronic signal is transformed into including reference signal by the antenna system of the first network element And the second wireless singal of the modulated signal under the carrier frequency, the second wireless singal is by the distribution Second network element of formula antenna system receives, and the reference signal enables second network element to reduce and works as and will be in The modulated signal under the carrier frequency remaps into the letter when modulated signal in the second spectral slice Number distortion.
15. method as claimed in claim 14, wherein the frequency conversion includes will be in described the by the first network element The modulated signal in one spectral slice up-converts to the modulated signal under the carrier frequency, and wherein, It remaps as described in second network element progress including that will be under the modulated signal under the carrier frequency Frequency conversion is the modulated signal in second spectral slice.
16. method as claimed in claim 14, wherein the frequency conversion includes will be in described the by the first network element The modulated signal in one spectral slice down-converts to the modulated signal under the carrier frequency, and wherein, It remaps as described in second network element progress including that will be in the modulated signal under the carrier frequency Frequency conversion is the modulated signal in second spectral slice.
17. method as claimed in claim 14, wherein the second wireless singal further comprises the control letter comprising instruction Road, described instruction guide second network element of the distributing antenna system will be under the carrier frequency described in Modulated signal remaps into the modulated signal in second spectral slice, and wherein, the reference signal It is to be modulated using the described instruction in the control channel.
18. method as claimed in claim 14, wherein second spectral slice is at least substantially similar to first frequency Spectral slice section.
19. a kind of first network element of distributing antenna system, comprising:
Antenna system;
Promote the communication circuitry of operation, the operation includes:
Be in carrier frequency first is received from the second network element of the distributing antenna system by the antenna system Wireless signal, first wireless signal include reference signal and the modulated signal under the carrier frequency;And
By second wireless singal of the antenna system transmitting in the carrier frequency, the second wireless singal is described The third network element of distributing antenna system receives, and the second wireless singal includes the reference signal and is in described The modulated signal in carrier frequency, the second wireless singal with to the reference signal and be in the carrier frequency Under the modulated signal re-emit it is corresponding, the reference signal enable the third network element reduce when will The modulated signal under the carrier frequency remaps into the letter when modulated signal in spectral slice Number distortion, the carrier frequency is Chong Die with the spectral slice in frequency.
20. first network element as claimed in claim 19, wherein first wireless signal further comprises comprising instruction Control channel, described instruction guides the first network element by the reference signal and in the carrier frequency The modulated signal is re-emitted to the third network element.
CN201780048318.9A 2016-06-10 2017-06-06 The backhaul link with reference signal for distributing antenna system Pending CN109565299A (en)

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US15/179,204 US10009065B2 (en) 2012-12-05 2016-06-10 Backhaul link for distributed antenna system
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PCT/US2017/036172 WO2017214162A1 (en) 2016-06-10 2017-06-06 Backhaul link with reference signal for distributed antenna system

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