WO2020181075A1 - Amplificateur de signal pour communication 5g, et systèmes, procédés et dispositifs associés - Google Patents

Amplificateur de signal pour communication 5g, et systèmes, procédés et dispositifs associés Download PDF

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Publication number
WO2020181075A1
WO2020181075A1 PCT/US2020/021170 US2020021170W WO2020181075A1 WO 2020181075 A1 WO2020181075 A1 WO 2020181075A1 US 2020021170 W US2020021170 W US 2020021170W WO 2020181075 A1 WO2020181075 A1 WO 2020181075A1
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WO
WIPO (PCT)
Prior art keywords
signal
signal booster
antenna
booster
circuit
Prior art date
Application number
PCT/US2020/021170
Other languages
English (en)
Inventor
Hongtao ZHUAN
Xulei LIN
Scott Terry
Original Assignee
Cellphone-Mate, Inc.
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Cellphone-Mate, Inc. filed Critical Cellphone-Mate, Inc.
Publication of WO2020181075A1 publication Critical patent/WO2020181075A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B7/00—Radio transmission systems, i.e. using radiation field
    • H04B7/14—Relay systems
    • H04B7/15—Active relay systems
    • H04B7/155—Ground-based stations
    • H04B7/15507—Relay station based processing for cell extension or control of coverage area
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/26—Cell enhancers or enhancement, e.g. for tunnels, building shadow
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W16/00—Network planning, e.g. coverage or traffic planning tools; Network deployment, e.g. resource partitioning or cells structures
    • H04W16/24—Cell structures
    • H04W16/28—Cell structures using beam steering
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/04—Large scale networks; Deep hierarchical networks
    • H04W84/042—Public Land Mobile systems, e.g. cellular systems
    • H04W84/047—Public Land Mobile systems, e.g. cellular systems using dedicated repeater stations

Definitions

  • Embodiments of the disclosure relate, generally to electronic systems and, in particular, to radio frequency (RF) communication systems, and related systems, methods, and devices.
  • RF radio frequency
  • the 5G era is coming.
  • the communication frequency used by 5G is relatively high, generally around 3.5G (G refers to gigahertz), and some operators use a 28G frequency band or even higher frequency band.
  • G refers to gigahertz
  • the inventors of this disclosure appreciate that this will bring a big impact on network construction; the operators will need to invest huge resources to build the 5G network.
  • micro base station radio unit becomes a very important network device.
  • a micro base station radio unit may be needed every few tens of meters, each radio unit is connected to the macro base station via an optical fiber.
  • the cost of using a large number of micro base stations radio unit is high, and the optical fiber installation also requires high cost.
  • One or more embodiments of the present disclosure relate to a signal booster that is simple to install and relatively low in cost to assist the arrangement of the 5G network.
  • Using the signal booster can expand the signal coverage of the micro base station radio unit, reduce the number of radio units per unit area.
  • FIG. 1 is one embodiment of a 5G network device arrangement
  • FIG. 2 is an embodiment of a 5G network devices arrangement
  • FIG. 3 is an embodiment of a 5G network devices arrangement
  • FIG. 4 is a schematic diagram of a 5G Signal booster working in a network
  • FIG. 5A depicts one embodiment of an array antenna of mobile station antenna in
  • FIG. 4
  • FIG. 5B depicts an embodiment of an array antenna of mobile station antenna in
  • FIG. 4
  • FIG. 5C depicts an embodiment of an array antenna of mobile station antenna in
  • FIG. 4
  • FIG. 6 depicts an embodiment of the 5G signal booster powered by solar panels
  • FIG. 7 depicts an embodiment of the 5G signal booster system
  • FIG. 8 depicts an embodiment of the 5G signal booster system
  • FIG. 9 depicts an embodiment of the 5G signal booster system
  • FIG. 10 depicts one embodiment of the 5G signal booster system
  • FIG. 11 depicts an embodiment of the 5G signal booster system
  • FIG. 12 depicts an embodiment of the 5G signal booster system
  • FIG. 13 depicts a 5G network device signal coverage map
  • FIG. 14 is another 5G network devices arrangement network embodiment
  • FIG. 15 depicts an embodiment of the 5G signal booster system
  • FIG. 16 depicts an embodiment of the shared circuit in the FIG. 15;
  • FIG. 17 depicts an embodiment of the synchronization circuit in the FIG. 15;
  • FIG. 18 depicts an embodiment of a 5G signal booster system schematic
  • FIG. 19 depicts an embodiment of a 5G signal booster system
  • FIG. 20 depicts an embodiment of a 5G signal booster system
  • FIG. 21 depicts an embodiment of a 5G signal booster system in FIG. 20;
  • FIG. 22 depicts an embodiment of a 5G signal booster system in FIG. 21;
  • FIG. 23 depicts an embodiment of a 5G signal booster system in FIG. 21;
  • FIG. 24 depicts an embodiment of the synchronization of indoor unit and outdoor unit of the 5G signal booster system in FIG. 21;
  • FIG. 25 depicts an embodiment of a modulate circuit in FIG. 24
  • FIG. 26 depicts an embodiment of a demodulate circuit in FIG. 24
  • FIG. 27 depicts an embodiment of a 5G signal booster system
  • FIG. 28 depicts an embodiment of the actual use of the 5G signal booster system in FIG. 27.
  • FIG. 29 depicts an embodiment of the actual indoor distribution use of the 5G signal booster system in FIG. 27.
  • FIG. 30 shows an architecture of an embodiment of a two-box booster unit separated by coaxial cable.
  • FIG. 31 shows an embodiment of a 5G booster implemented as two boxes and that does not use up/down conversion into an intermediate frequency.
  • FIG. 32 shows an embodiment of a 4G/5G booster.
  • FIG. 33 is a diagram that depicts an embodiment compensating for cable loss so that antenna ports on each end form a booster that meets the Network Protection Standards for a consumer booster.
  • FIG. 34 shows an embodiment of an in-building booster.
  • FIG. 35 shows a configuration of an embodiment of a self-contained 28GHz booster.
  • a general-purpose processor may also be referred to herein as a host processor or simply a host
  • the processor may be any conventional processor, controller, microcontroller (also referred to as an MCU), or state machine.
  • a processor may also be implemented as a combination of computing devices, such as a combination of a DSP and a microprocessor, a plurality of microprocessors, one or more microprocessors in conjunction with a DSP core, or any other such configuration.
  • a general-purpose computer including a processor is considered a special-purpose computer while the general-purpose computer is configured to execute computing instructions (e.g., software code) related to embodiments of the present disclosure.
  • the embodiments may be described in terms of a process that is described or depicted as a flow process, flowchart, a flow diagram, a structure diagram, or a block diagram.
  • a process may correspond to a method, a thread, a function, a procedure, a subroutine, a subprogram, other structure, or combinations thereof.
  • the methods disclosed herein may be implemented in hardware, software, or both. If implemented in software, the functions may be stored or transmitted as one or more instructions or code on computer-readable media.
  • Computer-readable media includes both computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
  • any reference to an element herein using a designation such as“first,”“second,” and so forth does not limit the quantity or order of those elements, unless such limitation is explicitly stated. Rather, these designations may be used herein as a convenient method of distinguishing between two or more elements or instances of an element. Thus, a reference to first and second elements does not mean that only two elements may be employed there or that the first element must precede the second element in some manner.
  • a set of elements may comprise one or more elements.
  • the term“substantially” in reference to a given parameter, property, or condition means and includes to a degree that one of ordinary skill in the art would understand that the given parameter, property, or condition is met with a small degree of variance, such as, for example, within acceptable manufacturing tolerances.
  • the parameter, property, or condition may be at least 90% met, at least 95% met, or even at least 99% met.
  • FIG. 1 depicts an embodiment of a 5G network device arrangement.
  • Each micro base station radio unit in the network is connected to the macro base station via an optical fiber.
  • the frequency used by the 5G is usually relatively high.
  • a large number of radio units and optical fibers are required to be arranged, which is high in cost and difficult in construction.
  • signal boosters SBs
  • SBs signal boosters
  • FIG. 2 depicts an embodiment of a 5G network devices arrangement.
  • FIG. 3 depicts an embodiment of a 5G network devices arrangement.
  • FIG. 3 is further optimized on the basis of FIG. 1, the signal booster (SB) is arranged between the two radio units, thereby extending the distance between the two radio units, reducing the number of radio units per unit area, reducing the cost and construction difficulty.
  • SB signal booster
  • FIG. 4 is a schematic diagram of a 5G Signal booster working in a network.
  • the 5G Signal booster may be located at the lamppost, tower top, roof or other locations.
  • the base station antenna receives the downlink signal from the radio unit, and then the signal booster amplifies it by the downlink amplification path and finally sends it to the users via mobile station antenna;
  • the mobile station antenna receives the uplink signal from the users and then the signal booster amplifies it by the uplink amplification path and finally sends it to the radio unit via the base station antenna.
  • Non-limiting examples of 5G users include fixed points and mobile terminals.
  • the base station antenna used by the Signal booster described in some embodiments of this disclosure may be a directional antenna with high directivity and high gain.
  • a mobile station antenna is a single directional antenna or an array antenna of multiple directional antennas.
  • FIG. 5A depicts one embodiment of an array antenna of a mobile station antenna in FIG. 4.
  • Two directional antennas are used, selected via the radio frequency (RF) switch in the signal booster; the switch is controlled by the control circuit in the signal booster.
  • the control circuit can select the antenna array unit according to the user usage of the two array units Array unitl and Array unit2 of mobile station antenna.
  • the control circuit can also include a digital synchronization circuit, or can extract the synchronization signal from the TDD modem, or can sample the downlink signal from the radio unit, and demodulate the synchronization signal by power detection, thereby synchronize the signal booster system of embodiments of the disclosure with the radio unit system.
  • FIG. 5B depicts an embodiment of an array antenna of mobile station antenna in FIG. 4. Three directional antennas are used, selected via the RF switch in the signal booster.
  • FIG. 5C depicts an embodiment of an array antenna of mobile station antenna in FIG. 4. Four directional antennas are used, selected via the RF switch in the signal booster.
  • Mobile station antennas of this disclosure are not limited to the several embodiments mentioned, and variations may include, but are not limited to, using more antennas to form an antenna array of a mobile station antenna and using a digital phased array antenna for one or more of the antennas that form an antenna array.
  • mobile station antenna array units may be connected to the signal booster via other devices, such as splitters.
  • FIG. 6 depicts an embodiment of a 5G signal booster powered by solar panels.
  • the solar panel converts light energy into electrical energy and the energy charges the signal booster's battery.
  • the signal booster’s battery supplies DC power to the signal booster.
  • a signal booster may be powered by, for example, a power source of a street light or a building depending on the installation location.
  • FIG. 7 depicts an embodiment of a 5G signal booster system.
  • the 5G signal booster system may be used for outdoor coverage, wherein the directional antenna base station antenna and the directional antenna mobile station antenna are respectively located on both sides of the signal booster, back-to-back structure.
  • the two antennas maintain a certain distance D.
  • the magnitude of the D value may be related to one or more of the following factors: the antenna front-to-back ratio, the gain of the antenna, and the gain of the signal booster.
  • the system of this invention can minimize the D value.
  • D may be based, at least in part, on a degree of isolation between two mobile station antennas, and so in some cases D may be reduced by improving the isolation between two mobile station antennas.
  • FIG. 8 and FIG. 9 depict two embodiments that further improve the isolation of mobile station antennas.
  • FIG. 8 depicts an embodiment of a 5G signal booster system.
  • a directional antenna of a base station antenna and a directional antenna of a mobile station antenna may have a vertical distance H as depicted by FIG. 8, and have a horizontal distance D , as depicted by FIG. 7 and FIG. 8.
  • the greater the distance H the greater the isolation between the MS antenna and the BS antenna.
  • the 5G signal booster system of FIG. 8 may take into account a antenna horizontal distance D, a vertical distance H, an antenna gain, an antenna front-to-back ratio and a signal booster gain, to obtain a best coverage effect to facilitate installation.
  • FIG. 9 depicts an embodiment of a 5G signal booster system.
  • the 5G signal booster system can include one or more isolation boards to improve the isolation between the two antennas (MS antenna and BS antenna) and/or to prevent system oscillation.
  • an isolation board may be integrated with a signal booster housing or integrated with the SB antenna.
  • an isolation board may be planar or curved.
  • an isolation board may include or be formed from metallic material and/or absorbing materials.
  • a signal booster may include an analog or a digital ICS (Interference Cancellation System) circuit to improve system isolation and reduce the distance D.
  • ICS Interference Cancellation System
  • FIG. 10 depicts an embodiment of a 5G signal booster system.
  • the frequency used by 5G is typically relatively high (such as 28 GHz), high-power power amplifiers (PAs) for high- frequency are relatively rare, and/or the volume is large and/or the cost is high.
  • a signal booster may include multiple low power PAs in parallel to realize a high power output level.
  • an uplink and downlink output select an appropriate number of low power PAs according to one or more coverage requirements.
  • heat dissipation of a device e.g., a signal booster
  • FIG. 11 depicts an embodiment of a 5G signal booster system.
  • the system includes a control circuit of a signal booster.
  • the control circuit may include a digital synchronization circuit, or may extract a synchronization signal from a TDD modem or sample the downlink signal from the radio unit, and demodulate the synchronization signal by power detection.
  • the uplink and downlink amplification paths may be switched by a RF switch, and the control circuit controls the RF switch according to a TDD synchronization signal.
  • FIG. 12 depicts an embodiment of a 5G signal booster system.
  • the system downlink amplification path and the uplink amplification path are separated into a DL unit and an UL unit, and each unit has a separate base station antenna and mobile station antenna.
  • the DL unit receives the downlink signal from the radio unit via the base station antenna base station ANTI, and transmits it to the users via the mobile station antenna mobile station ANTI after being amplified.
  • the UL unit receives the uplink signal from the users via the mobile station antenna mobile station ANT2, and then transmits it to the radio unit via the base station antenna base station ANT2 after being amplified, thereby implementing bi-directional communication.
  • FIG. 13 depicts a 5G network device signal coverage map in accordance with one or more embodiments.
  • the SB (Signal Booster) adopts mobile station antenna of FIG. 5C, which adopts an antenna array composed of multiple directional antennas; its network coverage area is larger than that adopts mobile station antenna (FIG. 1) with a single directional antenna.
  • FIG. 14 depicts an embodiments of a 5G network devices arrangement of a 5G network.
  • a signal booster another signal booster is installed at the weak signal position.
  • the other signal booster wirelessly receives a downlink signal from the previous signal booster, amplifies the downlink signal and sends the amplified downlink signal to the users.
  • the other signal booster wirelessly receives an uplink signal from the users, amplifies the uplink signal and sends the amplified uplink signal to the previous signal booster.
  • This arrangement can continue expanding a radio unit signal coverage area and achieve wireless relay coverage, which may further reduce a number of radio units per unit area, and reduce costs and installation difficulty.
  • FIG. 15 depicts an embodiment of the 5G signal booster system.
  • a signal booster of the 5G signal booster system includes a plurality of amplification paths which include at least one downlink (DL) path and one uplink (UL) path, a synchronization circuit and a shared circuit for the downlink (DL) path and uplink (UL) path.
  • the shared circuit receives the downlink signals from the 5G RU via the BS antenna (BS ANT) and transmits the uplink signals from the mobile side (MS) antenna (MS ANT) which are amplified by the uplink amplification path to the 5G RU via the BS antenna (BS ANT).
  • the shared circuit sends 5G signals to the synchronization circuit which outputs synchronization signal.
  • the uplink path and downlink path may be switched by one or more switches which are controlled by the synchronization signal.
  • FIG. 16 depicts an embodiment of the shared circuit of FIG. 15.
  • the shared circuit may include a coupler which operatively couples the 5G signal to the synchronization circuit.
  • the shared circuit can also include one or more filters which may be micro strip, ceramic, surface acoustic wave or other forms of filter which may be used for 5G frequencies.
  • the shared circuit may also include other devices such as a circulator, a switch, a power divider, etc.
  • FIG. 17 depicts an embodiment of the synchronization circuit of FIG. 15.
  • the synchronization circuit may include a frequency conversion circuit receiving a 5G signal from the shared circuit and a synchronization module, the frequency conversion circuit converts 5G signal frequencies to operating frequencies required by the synchronization module, and the converted signal which is amplified and filtered is sent to the synchronization module to be demodulate to output a synchronization signal.
  • the frequency conversion circuit may include one or more 5G signal amplifiers, filters, mixers, local oscillator circuit (LO), amplifiers and filters for converted frequencies, etc.
  • the frequency conversion circuit shown in FIG. 17 is only one example arrangement of components for a signal path. In fact, the selection of various components and the arrangement may be changed according to actual needs.
  • FIG. 18 depicts a schematic of an embodiment of a 5G signal booster system.
  • BS ANT receives a 5G downlink signal from 5G RU, a coupler which is shared by the downlink path and the uplink path operatively couples the 5G signal to a frequency conversion circuit.
  • the frequency conversion circuit amplifies and filters the 5G signal, and then converts 5G signal frequencies to the operating frequencies required by the synchronization module via a mixer, the local oscillator circuit (LO) provides local oscillator signal for the mixer, the converted signal is amplified by one or more intermediate frequency gain blocks (IF GBs), filtered by one or more low frequency pass filters, and then send to the synchronization module which outputs synchronization signal (Ctrll, Ctrl2).
  • IF GBs intermediate frequency gain blocks
  • the coupler operatively couples a switch which is controlled/controllable by the synchronization signal to switch the downlink path and the uplink path.
  • an interface of the switch operatively couples with an input of the downlink path
  • another interface of the switch operatively couples with an output of the uplink path.
  • Each of the downlink path and the uplink path includes one or more LNAs, filters, attenuators, PAs and detectors.
  • the output of the downlink path operably couples with the MS ANT via an interface of a circulator. Another interface of the circulator
  • FIG. 19 depicts an embodiment of a 5G signal booster system.
  • the system may include a remote monitor.
  • a users may remotely query the operating status (gain, output power level, oscillation status, etc.) of the signal booster, set the parameters (attenuated magnitude, output power level, power on or off, etc.) of the signal booster.
  • the remote monitor has one or more remote accesses, such as Ethernet, Cellular, internet of things (IoT), etc.
  • FIG. 20 depicts an embodiment of a 5G signal booster system.
  • the system may include two units, an outdoor unit and an indoor unit connected with each other via a cable.
  • the outdoor unit may integrate BS ANT and the booster circuit, the BS ANT receives the 5G downlink signal from the 5G RU, the booster circuit amplifies and filters the 5G downlink and uplink signals.
  • the indoor unit may include MS ANT which receives 5G uplink signals and retransmits/transmits 5G downlink signals. In another case, the indoor unit may integrate the booster circuit and MS ANT.
  • FIG. 21 depicts an embodiment of a 5G signal booster system of FIG. 20 that includes an outdoor unit and an indoor unit. Each of the two units includes a signal conversion circuit. One signal conversion circuit converts the 5G signal frequencies to low frequencies, and another conversion circuit converts the low frequencies back to 5G signal frequencies. The cable transmits the converted signal of low frequencies.
  • FIG. 22 depicts an embodiment of a 5G signal booster system of FIG. 21.
  • the outdoor unit includes a transceiver antenna (ANTI) which operatively couples with the signal conversion circuit in the outdoor unit
  • the indoor unit includes another transceiver antenna (ANT2), which operatively couples with the signal conversion circuit in the indoor unit, the two antennas wirelessly transmit and receive the converted signal between the two units without cable.
  • FIG. 23 depicts an embodiment of a 5G signal booster system in FIG. 21.
  • the conversion circuit in the outdoor unit includes a DL frequency down conversion circuit which down converts 5G downlink signal of high frequencies to downlink converted signal of low frequencies and an UL frequency up conversion circuit which up converts uplink converted signal of low frequencies to 5G uplink signal of high frequencies.
  • the conversion circuit in the indoor unit includes a DL frequency up conversion circuit which up converts downlink converted signal of low frequencies back to 5G downlink signal of high frequencies and an UL frequency down conversion circuit which down converts 5G uplink signal of high frequencies to uplink converted signal of low frequencies.
  • the cable transmits the downlink and the uplink converted signal of low frequencies.
  • FIG. 24 depicts an embodiment of the synchronization of an indoor unit and an outdoor unit of the 5G signal booster system in FIG. 21.
  • the outdoor unit includes a synchronization circuit to generate a synchronization signal to control the outdoor unit circuit, and the outdoor unit also includes a modulate circuit.
  • the modulate circuit generates a modulated signal with the synchronization signal, and the modulated signal is transmitted to the indoor unit via a cable or other suitable connector(s).
  • the indoor unit includes a demodulate circuit which demodulates the modulated signal to output the synchronization signal to control the indoor unit circuit.
  • FIG. 25 depicts an embodiment of a modulate circuit of FIG. 24.
  • the modulate circuit may include a signal generator (such as a frequency synthesizer) and a switch which is controlled/controllable by the synchronization signal to output a modulated signal with synchronization information.
  • the modulate circuit may also include one or more amplifiers, filters, etc.
  • FIG. 26 depicts an embodiment of a demodulate circuit of FIG. 24.
  • the demodulate circuit may include a filter, an amplifier, a detector, and a high speed comparison circuit.
  • the detector detects the power level of the modulated signal which is filtered and amplified, and outputs a DC voltage which is send to the high speed comparison circuit to output synchronization signal.
  • the demodulate circuit may include no amplifier or one or more amplifiers.
  • FIG. 27 depicts an embodiment of a 5G signal booster system.
  • the 5G signal booster system uses a combined antenna technology (e.g., commercially available from Kenbotong Technology Co., without limitation).
  • a combined antenna includes two antennas, a first antenna is used as a BS antenna and a second antenna is used as a MS antenna, the 5G signal booster may be locate between the two antennas.
  • the combined antenna may also include a structure as an isolation board for improving isolation between the two antennas. In disclosed embodiments, isolation may be increased by adding material between the antennas.
  • FIG. 28 depicts an embodiment of a contemplated operation of a 5G signal booster system, e.g., the 5G signal booster system of FIG. 27, without limitation.
  • a system sits at an exterior window of a building without a cable.
  • the BS antenna which receives a 5G downlink signal from 5G RU, faces outside the building
  • the MS antenna which receives 5G uplink signal from the terminal users, faces inside the building.
  • the BS antenna transmits the 5G uplink signals to the 5G RU
  • the MS antenna transmits the 5G downlink signals to terminal users.
  • FIG. 29 depicts an embodiment of an indoor distribution use of the 5G signal booster system of FIG. 27.
  • the signal booster 1 operates as the system in the FIG. 28.
  • the signal booster 2 includes two units, unit 1 and unit 2 (such as the signal booster system in FIG. 20). Wherein the unit 1 is located on one side of the wall towards the signal booster 1 in one room (room 1), and the unit 2 is on the other side of the wall towards the other room (room 2).
  • the unit 1 and unit 2 are operatively coupled with each other via a short cable or wirelessly without cable.
  • the unit 1 is used to achieve 5G signal coverage for room 1, and the unit 2 is used to achieve 5G signal coverage for room 2.
  • FIG. 30 shows the architecture of a two-box booster unit separated by coaxial cable. This drawing shows how the millimeter wave frequency is down-converted to 2GHz and then shared with the 4G 700MHz signal. On the other side the 2GHz is up-converted to the original 28GHz. Each side of the cable needs both an up-convert and a down-convert to handle uplink and downlink. It also shows how the TDD sync signal is determined on one side, and then sent via any communication method over to the other side in order to drive the TDD switches (to determine uplink/downlink direction).
  • the 700MHz signal could also include all other 4G bands such as band 12, band 13, band 5, band 2/25, band 4, band 66, band 71, band 26, and band 30.
  • the 28GHz band could be any other millimeter wave band (e.g. 24GHz or 39GHz).
  • the indoor box can contain a secondary amplifier stage, or it may be only passive and go directly to the antenna.
  • FIG. 31 shows an embodiment of a 5G booster configured as two blocks, a donor unit block and an indoor coverage unit block.
  • the 5G booster depicted by FIG. 31 is not configured to use up/down conversion into an intermediate frequency.
  • Each side e.g., each block
  • RG-6 cable may be used between the two units, or a cable with less loss such as LMR-400 may be used as needed for long distances.
  • FIG. 32 depicts an embodiment of a 4G/5G booster. It shows a multiple-in-multiple- out (MIMO) beam-forming antenna used on a donor side (i.e., a window mount donor unit) to electronically aim an antenna directly at a 5G 28GHz tower.
  • MIMO multiple-in-multiple- out
  • the 4G/5G booster may also be used for other millimeter wave bands such as 24GHz and 39GHz, without limitation.
  • a MIMO antenna may be a 4-element, 16-element, 64-element, 256- element or any other combination.
  • the indoor unit i.e., indoor desk mount unit
  • These omni-directional antennas may also be directional, or may be MIMO beam-forming directional antennas.
  • the low frequency 4G band depicted by FIG. 32 is band 13, however the disclosure is not so limited and a 4G/5G booster may be configured for any cellular frequency bands.
  • the 4G/5G booster may include a cable compensation circuit for the low frequency 4G bands that compensates for the cable loss in a downlink direction and still meet consumer booster Network Protection Standards.
  • FIG. 33 is a diagram that depicts compensating for cable loss so that antenna ports on each end form a booster that meets a Network Protection Standard for a consumer booster.
  • FIG. 33 also shows how a 4G booster may be a consumer booster or an industrial booster that does not meet the Network Protection Standards.
  • the 4G and 5G booster pairs at each end may be combined (e.g., electrically coupled) by a diplexer or any other type of circuit.
  • Respective diplexers may be operatively coupled by a wired connection such as a coax cable or fiber optic cable, without limitation. Signals may be transported over the wired connection (e.g., between respective diplexers and ends more generally) in digital or analog form.
  • FIG. 34 shows an embodiment of an in-building signal booster.
  • An outside antenna of the in-building signal booster includes a MIMO beam-steering antenna that is aimed at a cellular tower electronically.
  • the outside antenna may include a panel antenna that is aimed at a cellular tower manually.
  • An amplifier may be included at the location of the antenna, and down-convert amplifies an incoming signal that is sent across a coaxial cable.
  • the coaxial cable feeds into an indoor interface control box of the in-building signal booster.
  • the Indoor interface control box monitors a signal carried by the coaxial cable and passes the signal to remote indoor antenna units of the in-building signal booster.
  • an in-building signal booster includes a liquid crystal display (LCD) to enable a user (e.g., a person) to view a status of the in-building signal booster or signal boosting more generally.
  • a control box supports a remote interface to allow monitoring of the system of the in-building signal booster of FIG. 34.
  • the control box may supports powering outside and inside units using power-over-cable for power coupling.
  • the remote amplifiers are located at the indoor antennas, and are configured to up- convert amplify the downlink signal to the original frequency (e.g., the 28GHz, without limitation). These units may be monitored by an interface controller and/or by a remote access.
  • the indoor units down-convert amplifies the signal and the outside antenna unit up-convert amplifies the signal to the original frequency (e.g., 28GHz signal).
  • the original frequency e.g., 28GHz signal
  • FIG. 35 shows a configuration of an embodiment of a self-contained 28GHz booster.
  • a MIMI beam-forming antenna is used to capture a signal from a 28GHz base station. This signal is analyzed to determine the uplink and downlink timing of the time-division duplexing (TDD) of the millimeter wave signal. This timing then controls the switches to change the direction.
  • the 28GHz may be any millimeter wave band.
  • the antenna for the mobile side may be a panel-type directional antenna or may be a MIMO beam-forming antenna. If it is panel-type, it may be aimed toward the direction where the mobile users need to be supported with 5G signal. If it is beam-forming, the beam may be controlled via software to aim the highly directional beam at the mobile user. The software for aiming the beam may be done independent of the 5GNR radio protocol, or it may use the 5GNR protocol to act as the tower role in doing the beam-forming. In addition, the beam forming antenna on the base station side may use the 5GNR protocol communication to act as the mobile device role in performing the beam forming.
  • This design can also implement interference cancellation so that high gain may be achieved even with the antennas being close together.
  • the interference cancellation may be done by using material or orientation that better isolate the two antennas at 28GHz frequencies, or it may be done electrically by cancelling out the output signal that is fed back to the input. This signal cancelling may be done either in analog or in digital.
  • a Signal booster for 5G communication In a 5G network, around the radio unit, signal boosters are installed at the weak signal positions, which can expand the coverage of the signal of the radio unit, thereby reducing the number of radio units per unit area.
  • a 5G Signal booster may be located at the lamppost, tower top, roof or other locations.
  • the base station antenna receives the downlink signal from the radio unit, and then the signal booster amplifies it by the downlink amplification path and finally sends it to the users via mobile station antenna; on the other hand, the mobile station antenna receives the uplink signal from the users and then the signal booster amplifies it by the uplink amplification path and finally sends it to the radio unit via the base station antenna.
  • the base station antenna is a directional antenna.
  • the mobile station antenna is a directional antenna or an array antenna of multiple directional antennas.
  • the array units may be selected via the RF switch in the signal booster; the switch is controlled by the control circuit in the signal booster, thereby covering users in different directions.
  • the control circuit can select the antenna array unit according to the user usage of the array units.
  • the mobile station antenna array units may be connected to the signal booster via other devices, such as splitters.
  • the mobile station antenna may be a digital phased array antenna.
  • the control circuit can also include a digital synchronization circuit, or can extract the synchronization signal from the time-division duplex (TDD) modem, or can sample the downlink signal from the radio unit, and demodulate the synchronization signal by power detection, thereby synchronize the signal booster system of embodiments of the disclosure with the radio unit system.
  • TDD time-division duplex
  • the uplink and downlink amplification paths may be switched by a RF switch, and the control circuit controls the RF switch according to the TDD
  • the 5G signal booster system can also include a solar panel, a battery which is powered by the solar panel.
  • the battery supplies direct current (DC) power to the signal booster.
  • the signal booster may be powered by, for example, a power source of a street light or a building depending on the installation location.
  • the directional antenna base station antenna and the directional antenna mobile station antenna are respectively located on both sides of the signal booster, back-to-back structure.
  • the two antennas maintain a certain distance D.
  • the magnitude of the D value is related to the following factors: the antenna front-to-back ratio, the gain of the antenna, and the gain of the signal booster.
  • the directional antenna base station antenna and the directional antenna mobile station antenna may have a vertical distance H in addition to the horizontal distance D. The larger the H distance, the better the isolation between the two antennas.
  • the 5G signal booster system takes into account the antenna horizontal distance D, the vertical distance H, the antenna gain, the antenna front-to-back ratio and the signal booster gain, to obtain the best coverage effect in the case of facilitate installation.
  • the 5G signal booster system can include one or more isolation boards to improve the isolation between the two antennas.
  • the isolation board may be integrated with the signal booster housing or integrated with the antenna.
  • the isolation board may be either planar or curved.
  • the isolation board is usually metallic and/or may also contain RF absorbing materials.
  • the signal booster can also include an analog or a digital ICS (Interference Cancellation System) circuit.
  • the 5G signal booster uses multiple low power power-amplifiers (PAs) in parallel to realize high power output level.
  • PAs power-amplifiers
  • the uplink and downlink outputs select an appropriate number of low power PAs according to the coverage requirements.
  • the heat dissipation of the 5G signal booster may be achieved by physical heat dissipation, air cooling, water cooling, and oil cooling, etc.
  • the downlink amplification path and the uplink amplification path of the 5G signal booster system are separated into a DL unit and an UL unit, and each unit has a separate base station antenna and mobile station antenna.
  • the DL unit receives the downlink signal from the radio unit via the base station antenna base station ANTI, and transmits it to the users via the mobile station antenna mobile station ANTI after being amplified.
  • the UL unit receives the uplink signal from the users via the mobile station antenna mobile station ANT2, and then transmits it to the radio unit via the base station antenna base station ANT2 after being amplified, thereby implementing bi-directional communication.
  • another signal booster is installed at the weak signal position, which receives the downlink signal from the previous signal booster wirelessly, amplifies it and sends it to the users, and receives the uplink signal from the users, amplifies it and sends it to the previous signal booster.
  • This arrangement can achieve wireless relay coverage. While the present disclosure has been described herein with respect to certain illustrated embodiments, those of ordinary skill in the art will recognize and appreciate that the present invention is not so limited. Rather, many additions, deletions, and modifications to the illustrated and described embodiments may be made without departing from the scope of the invention as hereinafter claimed along with their legal equivalents. In addition, features from one embodiment may be combined with features of an embodiment while still being encompassed within the scope of the invention as contemplated by the inventor.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne des amplificateurs de signal, des systèmes d'amplification de signal et des agencements d'amplificateurs de signal dans des réseaux de communication. L'invention concerne également des antennes de station de base et de station mobile pour des amplificateurs de signal, des systèmes d'amplification de signal et des agencements d'amplificateurs de signal dans des réseaux de communication.
PCT/US2020/021170 2019-03-05 2020-03-05 Amplificateur de signal pour communication 5g, et systèmes, procédés et dispositifs associés WO2020181075A1 (fr)

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US201962813815P 2019-03-05 2019-03-05
US62/813,815 2019-03-05

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113905390A (zh) * 2021-08-26 2022-01-07 日海恒联通信技术有限公司 一种5g无线接入式室内分布系统
WO2022083531A1 (fr) * 2020-10-20 2022-04-28 华为技术有限公司 Dispositif de communication, appareil d'amélioration de communication et composant d'intégration d'antenne
CN114553271A (zh) * 2020-11-25 2022-05-27 中国电信股份有限公司 单缆mimo分布系统和单缆mimo信号处理方法
CN115276679A (zh) * 2022-06-21 2022-11-01 中国电信股份有限公司 移频系统、移频方法
CN116647853A (zh) * 2023-07-26 2023-08-25 赛尔通信服务技术股份有限公司 增强5g信号功率的das末端无源装置

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20040176027A1 (en) * 2003-03-04 2004-09-09 O'neill Frank P. Repeater system for strong signal environments
US20100029197A1 (en) * 1999-07-20 2010-02-04 Andrew Llc Repeaters for wireless communication systems
US20170141837A1 (en) * 2015-11-17 2017-05-18 Wilson Electronics, Llc Cellular signal booster with multiple signal chains
WO2017215634A1 (fr) * 2016-06-17 2017-12-21 Cellphone-Mate, Inc. Amplificateur de signaux de fréquence radio pour véhicules
US20180070323A1 (en) * 2016-09-02 2018-03-08 Cellphone-Mate, Inc. Radio frequency signal booster
US20180288657A1 (en) * 2015-10-06 2018-10-04 Intel IP Corporation Dual radio operation between access systems using 3gpp radio access technology

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20100029197A1 (en) * 1999-07-20 2010-02-04 Andrew Llc Repeaters for wireless communication systems
US20040176027A1 (en) * 2003-03-04 2004-09-09 O'neill Frank P. Repeater system for strong signal environments
US20180288657A1 (en) * 2015-10-06 2018-10-04 Intel IP Corporation Dual radio operation between access systems using 3gpp radio access technology
US20170141837A1 (en) * 2015-11-17 2017-05-18 Wilson Electronics, Llc Cellular signal booster with multiple signal chains
WO2017215634A1 (fr) * 2016-06-17 2017-12-21 Cellphone-Mate, Inc. Amplificateur de signaux de fréquence radio pour véhicules
US20180070323A1 (en) * 2016-09-02 2018-03-08 Cellphone-Mate, Inc. Radio frequency signal booster

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022083531A1 (fr) * 2020-10-20 2022-04-28 华为技术有限公司 Dispositif de communication, appareil d'amélioration de communication et composant d'intégration d'antenne
CN114553271A (zh) * 2020-11-25 2022-05-27 中国电信股份有限公司 单缆mimo分布系统和单缆mimo信号处理方法
CN113905390A (zh) * 2021-08-26 2022-01-07 日海恒联通信技术有限公司 一种5g无线接入式室内分布系统
CN115276679A (zh) * 2022-06-21 2022-11-01 中国电信股份有限公司 移频系统、移频方法
CN116647853A (zh) * 2023-07-26 2023-08-25 赛尔通信服务技术股份有限公司 增强5g信号功率的das末端无源装置
CN116647853B (zh) * 2023-07-26 2023-09-22 赛尔通信服务技术股份有限公司 增强5g信号功率的das末端无源装置

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