WO2008134951A1 - Dispositif de traitement radiofréquence et procédé de configuration du dispositif de traitement radiofréquence - Google Patents

Dispositif de traitement radiofréquence et procédé de configuration du dispositif de traitement radiofréquence Download PDF

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Publication number
WO2008134951A1
WO2008134951A1 PCT/CN2008/070697 CN2008070697W WO2008134951A1 WO 2008134951 A1 WO2008134951 A1 WO 2008134951A1 CN 2008070697 W CN2008070697 W CN 2008070697W WO 2008134951 A1 WO2008134951 A1 WO 2008134951A1
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WO
WIPO (PCT)
Prior art keywords
carrier
unit
processing units
radio frequency
carrier processing
Prior art date
Application number
PCT/CN2008/070697
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English (en)
Chinese (zh)
Inventor
Jinsong Lv
Qiang Wang
Chengdong Yu
Original Assignee
Huawei Technologies Co., Ltd.
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 Huawei Technologies Co., Ltd. filed Critical Huawei Technologies Co., Ltd.
Publication of WO2008134951A1 publication Critical patent/WO2008134951A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a radio frequency processing apparatus and a method of configuring a radio frequency processing apparatus. Background of the invention
  • the base station subsystem contains all the infrastructure of the wireless communication part.
  • the base station is mainly composed of two main parts: one is a baseband, and the other is an RF processing unit.
  • the base station can be divided into a macro base station (MACRO BTS), a micro base station (Micro BTS), and a pico base station (PICO BTS).
  • MACRO BTS macro base station
  • Micro BTS micro base station
  • PICO BTS pico base station
  • the macro base station can be further divided into an indoor application macro base station, an outdoor application macro base station, and a distributed base station suitable for indoor and outdoor applications.
  • the baseband and radio frequency processing units of the first two types of macro base stations are set in one machine rejection, and the baseband and radio frequency processing units in the latter distributed macro base station are distributed, such as the existing distributed macro base station of WCDMA.
  • the baseband and the RF processing unit may be far apart, and the two are connected by a Fibre Channel, and the remote RF processing unit is called a Radio Remote Unit (RRU).
  • RRU Radio Remote Unit
  • the baseband is mainly used for performing modulation and demodulation processing on signals transmitted and received by the radio frequency processing unit, that is, processing information carried by the carrier
  • the radio frequency processing unit is mainly used for transmitting and receiving signals, that is, processing the carrier carrying the information.
  • FIG. 1 is a schematic structural diagram of a radio frequency processing unit in a single-carrier solution of a conventional GSM indoor macro base station.
  • the number of carriers that the RF processing unit can process is one, and has a single-shot and dual-receiver (1T2R) structure, that is, in the transmitting direction, after the serial input/output interface (serdes) receives the digital signal output from the baseband, Digital signal through digital / analog
  • the converter (DAC) is converted into a low frequency analog signal, which is then adjusted to the carrier frequency point through the transmission channel (TX) to become a high frequency signal, and then the high frequency signal is power amplified by the power amplifier (PA).
  • the duplexer After passing through the isolator (Isolator) and the duplexer (Duplexer), it is transmitted by the antenna (ANT) 1; since the signal power transmitted by the mobile phone is relatively weak, in order to enhance the sensitivity of signal reception, it is usually adopted in the receiving direction.
  • the two channels receive the same signal. After receiving one signal through ANT1, it is filtered by the duplexer. After being amplified by the low noise amplifier (LNA1), it is sent to RXM1. The high frequency signal is adjusted by RXM1. After the signal to the lower frequency, the signal is converted into a digital signal by an analog-to-digital converter, and then the digital signal is sent to the baseband through the FPGA from the serial input/output interface, and the other signal is received through the ANT2.
  • LNA1 low noise amplifier
  • RXD Filtering is performed by a filter (RXD Filter), then amplified by LNA2 and sent to RXD1, which is modulated by RXD1. After the signal to the lower frequency, the signal is converted into a digital signal by an analog-to-digital converter, and then the digital signal is sent to the baseband through the FPGA from the serial input/output interface, and the two signals received by the baseband are performed. Analytical processing.
  • the single-carrier RF processing unit in the above-mentioned macro base station is generally applicable to an application scenario in which the number of users is small and the traffic is small. As the number of users and the amount of traffic continue to increase, the Acer station needs to increase the number of carriers to adapt to changes in the application scenario.
  • the single-carrier RF processing unit shown in Figure 1 needs to increase the component expansion measures to adapt to changes in the application scenario.
  • FIG. 2 is a schematic structural diagram of a radio frequency processing unit in a two-carrier solution of a conventional GSM indoor macro base station.
  • the number of carriers that can be processed by the RF processing unit is two, which can be applied to an application scenario with relatively large traffic volume.
  • the RF processing unit realizes the processing of the two carriers by increasing the integration density, and accordingly the equipment cost is also increased.
  • the operator still needs to purchase a radio frequency processing device capable of processing more carriers. Therefore, the radio processing unit of the existing GSM base station is difficult to adapt to various application scenarios due to lack of flexible configurability, and it is not convenient for the operator to modify and maintain the base station.
  • Embodiments of the present invention provide a radio frequency processing apparatus, which is applicable to a global mobile communication GSM system, and the apparatus includes at least: at least two carrier processing units, a carrier transceiver front-end unit, and a configuration unit;
  • the embodiment of the present invention further provides a method for configuring a radio frequency processing device, including: using a configuration unit disposed between an input end of a carrier transceiver front-end unit and a transmitting end of each of the at least two carrier processing units, Whether any one of the at least two carrier processing units or the two carrier processing units processes the carrier for configuration.
  • the radio frequency processing device and the method for configuring the radio frequency processing device provided by the embodiments of the present invention can provide the radio frequency processing device applicable to various application scenarios for the operator by configuring the radio frequency processing device to process the corresponding carrier.
  • FIG. 1 is a schematic diagram showing the structure of a radio frequency processing unit in a conventional GSM indoor macro base station single carrier solution
  • FIG. 2 is a schematic structural diagram of a radio frequency processing unit in a two-carrier solution of a conventional GSM indoor macro base station
  • 3 is a schematic structural diagram of a radio frequency processing apparatus according to an embodiment of the present invention
  • 4 is a schematic structural diagram of a configuration unit according to an embodiment of the invention
  • FIG. 5 is a schematic structural diagram of a radio frequency processing apparatus according to an embodiment of the present invention.
  • FIG. 6 is a schematic diagram of an implementation of the radio frequency processing apparatus of FIG. 5 for processing one carrier
  • FIG. 7 is a schematic diagram of an implementation of the radio frequency processing apparatus of FIG. 5 for processing two types of carriers
  • FIG. 8 is a four-port antenna according to an embodiment of the present invention. Schematic diagram of the structure
  • FIG. 9 is a schematic structural diagram of a radio frequency processing apparatus according to an embodiment of the present invention.
  • FIG. 10 is a schematic structural diagram of a radio frequency processing apparatus when a single carrier high power application is implemented in Embodiment 1
  • FIG. 11 is a schematic structural diagram of a radio frequency processing apparatus when a two-carrier low-power application is implemented in Embodiment 2;
  • FIG. 12 is a schematic structural diagram of a radio frequency processing apparatus when a single-carrier ultra-high power application is implemented in Embodiment 3;
  • FIG. 13 is a schematic structural diagram of implementing a radio frequency processing apparatus from a single carrier to a dual carrier application in Embodiment 4;
  • FIG. 14 is a schematic structural diagram of a radio frequency processing apparatus when a dual-carrier high-power application is implemented in Embodiment 5;
  • FIG. 15 is a schematic structural diagram of a radio frequency processing apparatus when a two-carrier wide coverage application is implemented in Embodiment 6;
  • FIG. 16 is a schematic structural diagram of a radio frequency processing apparatus when a three-carrier low-power application is implemented in Embodiment 7;
  • FIG. 17 is a schematic structural diagram of a radio frequency processing apparatus when a four-carrier low-power application is implemented in Embodiment 8;
  • FIG. 18 is a schematic structural diagram of a radio frequency processing apparatus when a four-carrier wide coverage application is implemented in Embodiment 9. Mode for carrying out the invention
  • FIG. 3 is a schematic structural diagram of a radio frequency processing apparatus according to an embodiment of the present invention.
  • the radio frequency processing apparatus provided by the embodiment of the present invention may include at least: two carrier processing units, that is, a first carrier processing unit and a second carrier processing unit, a carrier transceiver front-end unit and a configuration unit;
  • a configuration unit configured to be configured between an input end of the carrier transceiver front-end unit and a transmitting end of each of the two carrier processing units, for using any one of the at least two carrier processing units Whether the processing unit or the two carrier processing units process the carrier for configuration.
  • FIG. 4 is a schematic structural diagram of the configuration unit shown in FIG. 3.
  • the configuration unit may include: a combiner and a control unit;
  • the combiner has an output and at least two inputs for combining the carriers input from the combiner input;
  • control unit configured to allow or prohibit any one of the at least two carrier processing units by controlling a connection between the at least two carrier processing units, the combiner, and the carrier transceiver front-end unit
  • the carrier processing unit or the two carrier processing units process the carrier.
  • the control unit may include: a controllable unit and a control program; wherein
  • controllable unit configured by a control program, configured to: when any one of the at least two carrier processing units is allowed to process a carrier, to perform any one of the at least two carrier processing units
  • the transmitting end is connected to the input end of the carrier transceiver front-end unit;
  • At least two transmitting ends corresponding to the carrier processing units are connected to at least two input ends of the combiner, and the output end of the combiner is connected to the input end of the carrier transceiver front-end unit deal with.
  • FIG. 5 is a schematic structural diagram of a radio frequency processing apparatus according to an embodiment of the present invention.
  • the radio frequency processing apparatus includes: a first carrier processing unit and a second carrier processing unit, a carrier transmission front end unit, and a configuration unit.
  • Each carrier processing unit may be composed of a transmit processing module and a receive processing module.
  • the transmit processing module may be a transmit processing channel in the existing radio frequency processing unit, such as the DAC, TX, PA, Isolator, and the connection relationship between the four.
  • the transmitting end of the carrier processing unit may be the output of the transmitting channel, such as the output of the Isolator.
  • the receiving processing module may be a receiving processing channel in the existing radio frequency processing unit, such as LNA1, RXM1, ADC1, LNA2, RXD1, ADC2 and corresponding connection relationships as shown in FIG.
  • the carrier transceiver front-end unit may be a signal transceiver end of the existing radio frequency processing unit, and may include Duplexes BiasT and ANT1 as shown in FIG. 5.
  • the combiner of the configuration unit can be an existing 3db bridge, and the schematic diagram of the easy structure of the 3db bridge can be as shown in FIG. 5.
  • the control unit of the configuration unit may comprise a controllable unit, and a corresponding control program.
  • the controllable unit comprises three three-node controllable switches 1, 2, 3.
  • the three nodes of the controllable switch 1 are in contact with the transmitting end of the first carrier processing unit, the end point a of the 3db bridge, and one end of the wire I, respectively.
  • Two of the three nodes of the controllable switch 2 are in contact with the transmitting end of the second carrier processing unit and the end b of the 3db bridge, respectively, and the third node is independently set.
  • the three nodes of the controllable switch 3 are in contact with the other end of the wire I, the end c of the 3db bridge, and the input of the first carrier processing unit, respectively.
  • FIG. 6 is a schematic diagram of an implementation of allowing a radio frequency processing apparatus shown in FIG. 5 to process a carrier.
  • the three controllable switches are controlled by the control program, the transmitting end of the first carrier processing unit is connected to one end of the wire I, and the other end of the wire I is connected to the input end of the first carrier processing unit, that is, the first carrier
  • the transmitting end of the processing unit and the first carrier processing unit The input terminals are directly connected, while still maintaining the transmitting end of the second carrier processing unit and the third node of the 3db bridge and the third node of the controllable switch 2 in an off state, thereby configuring the number of carriers that the radio frequency processing device can process For one, or only the RF processing device is allowed to process at most one carrier.
  • FIG. 7 is a schematic diagram of an implementation of the RF processing apparatus shown in FIG. 5 for processing two carriers.
  • three controllable switches are controlled by the control program, the end point a of the 3db bridge is connected with the transmitting end of the first carrier processing unit, and the end point b of the 3db bridge is connected with the transmitting end of the second carrier processing unit, and The end point c of the 3db bridge is connected to the input end of the first carrier transceiver front-end unit, so that the number of carriers that can be processed by the RF processing device can be configured to two, or the RF processing device can be configured to process two carriers at most, that is, According to actual needs, if the same carrier is input at the input ends of the first and second carrier processing units, the number of carriers processed by the radio frequency processing device in actual operation is still one; and if the first and second carrier processing units are The input terminals respectively input different carriers, and then the number of carriers processed by the RF processing device in actual operation is two.
  • each carrier output power of the transmitting end of each carrier processing unit is at most 20 W, in the embodiment of the present invention, if one carrier output by the transmitting end of the carrier processing unit does not need to be sent with other carrier processing units If the output carriers are combined, the output power of each carrier can reach a maximum of 20 W; if one carrier output by the transmitting end of the first carrier processing unit needs to be combined with another carrier output by the transmitting section of the second carrier processing unit
  • each carrier loses 10W of power in the combiner. If the two carriers are different, the output power loss of each carrier is 10W and 10W remains. If the two carriers are the same, the two carriers are the same. The total loss will be 10W, and the output power of the two carriers, that is, the power output from the combiner is 30W.
  • the principle of the 3db bridge please refer to the existing relevant information, and the details are not described here.
  • the radio frequency processing apparatus of the embodiment of the present invention processes only one carrier during operation
  • the road The carrier does not need to pass through the combiner, and the maximum output power is the power configured by the device to transmit the carrier, such as the above 20W.
  • the RF processing device is capable of processing two carriers during operation, if the two carriers are the same, if the two carriers are not combined, the carrier output power of the RF processing device can theoretically reach 40W; The two carriers are combined by the combiner, and the carrier output power of the RF processing device is depleted up to 30 W.
  • each output power can be Up to 20W; If the two carriers are combined by the combiner, the carrier output power of the RF processing device is depleted, and each output power is 10W. In actual applications, the number of carriers and output power that the radio processing device can process can be configured according to the needs of the application scenario.
  • controllable switch if the controllable switch is switched between the controllable switch and the signal output, it is necessary to pay attention to the maximum power that the controllable switch can withstand in this case.
  • the carrier transceiver front-end unit in the embodiment of the present invention may further include at least one four-port antenna.
  • FIG. 8 is a schematic structural diagram of the four-port antenna.
  • the antenna is configured to filter, by using a configuration of the configuration unit, a carrier transmitted by any one of the at least two carrier processing units or the carrier of the two carrier processing units, and then transmit the carrier.
  • a transmit antenna and two transmit filters can be included.
  • the four-port antenna band can be P/E/R GSM900MHz, 850MHz, 1800MHz, 1900MHz.
  • the four-port antenna is provided with two transmit filters (TX FILTER) in the existing four-port antenna, and the two transmit filters can support the frequency band: P/E/R GSM900MHz, 850MHz, 1800MHz, 1900MHz, to filter the carrier from the transmitter of the carrier processing unit.
  • TX FILTER transmit filters
  • a method for configuring a radio frequency processing device includes: using a configuration unit disposed between an input end of a carrier transceiver front-end unit and a transmitting end of each of the at least two carrier processing units, Whether to allow the carrier processing unit to process The carrier is configured.
  • the configured radio frequency processing device is the radio frequency processing device provided by the above embodiment of the present invention.
  • the radio frequency processing apparatus and the foregoing configuration method provided by the embodiments of the present invention can be configured by software control for the number of carriers allowed to be processed by the radio frequency processing apparatus. Therefore, the device provider can provide a radio processing device that can process up to four carriers according to actual needs, and configure the radio processing device to process the corresponding carrier through software to provide operators with radio frequency processing devices suitable for various application scenarios. .
  • FIG. 9 is a schematic structural diagram of a radio frequency processing apparatus according to an embodiment of the present invention.
  • the equipment provider can provide the operator with the product including the RF processing device, and the device supplier can control the number of carriers allowed by the RF processing device, such as one, two, three, or up to four, by software. Therefore, when the equipment supplier sells the product, the product can be priced according to the number of carriers that the product can handle.
  • the operator can select the appropriate number of carriers that the RF processing device can process according to the scenario in which the product is intended to be applied, and pay the corresponding fee.
  • the operator purchases a license from the device vendor to process more carriers, and the operator uses the purchased license. Licence, changing the number of carriers that can be processed by the same RF processing unit.
  • the radio frequency processing device in Figure 9 includes four carrier processing units, two carrier transceiver front-end units, and two configuration units.
  • the first carrier processing unit may include:
  • the first transmit processing module may include: DAC1, TX1, PA1, Isolatorl; a first receive processing module, the module may include: LNA1, splitterl, RXM1, ADC1; LNA2, splitter2, RXD1, ADC3.
  • the second carrier processing unit may include:
  • a second transmit processing module may include: DAC2, TX2, PA2, Isolator2;
  • a second receiving processing module the module may include: LNA1, splitterl, RXM2, ADC1; LNA2, splitter2, RXD2, and ADC3.
  • the third carrier processing unit may include:
  • a third transmit processing module may include: DAC3, TX3, PA3, Isolator3; a third receive processing module, the module may include: LNA1, splitterl, RXM3, ADC2; LNA2, splitter2, RXD3, ADC4.
  • the fourth carrier processing unit may include:
  • the fourth transmission processing module may include: DAC4, TX4, PA4, Isolator4; a fourth receiving processing module, the module may include: LNA1, splitterl, RXM4, ADC2; LNA2, splitter2, RXD4, ADC4.
  • the first carrier transceiver front-end unit may include: Duplexer Filterl, Biastl, ⁇ 1.
  • the second carrier transceiver front-end unit may include: Duplexer Filter2, Biast2, ANT2.
  • the 3db bridge may include a combining device 9A, three connection terminals a, b, c, and a load (LOAD) A;
  • the first control unit includes a first controllable unit, and a corresponding control program.
  • the first controllable unit comprises three three-node controllable switches 1, 2, 3.
  • the three nodes of the controllable switch 1 are in contact with the transmitting end of the first carrier processing unit, the end point a of the 3db bridge 9A, and one end of the wire I, respectively.
  • Two of the three nodes of the controllable switch 2 are respectively in contact with the transmitting end of the second carrier processing unit, the end b of the 3db bridge 9A, and the third node is separately set.
  • the three nodes of the controllable switch 3 are in contact with the other end of the wire I, the end c of the 3db bridge 9A, and the input of the first carrier processing unit, respectively.
  • the 3db bridge may include a combining device 9B, three connection terminals d, e, f, and a load (LOAD) B; the second control unit includes a second controllable unit, and a corresponding control program.
  • the second controllable unit may include three three-node controllable switches 4, 5, 6, and corresponding control programs.
  • the three nodes of the controllable switch 4 are in contact with the transmitting end of the third carrier processing unit, the end point d of the 3db bridge 9B, and one end of the wire J, respectively.
  • Controllable switch 5 of three Two of the nodes are respectively in contact with the transmitting end of the fourth carrier processing unit, the end e of the 3db bridge 9B, and the third node is separately set.
  • the three nodes of the controllable switch 6 are in contact with the other end of the wire J, the end point f of the 3db bridge 9B, and the input end of the second carrier transceiver front end unit, respectively.
  • the radio frequency processing apparatus shown in Fig. 9 above can process up to four carriers.
  • the number of carriers allowed to be processed by the RF processing device can be configured by controlling the connection between the controllable switch and the associated connection points accordingly.
  • the output power of the RF processing device can be configured accordingly. In practical applications, the use of four carriers is generally sufficient to meet the needs of large traffic.
  • the RF processing device can be further configured as a radio frequency processing device supporting up to six carriers or more carriers.
  • Mode 4 is output in two ways, each channel is covered by wide, and 4 ports are used.
  • Mouth antenna table 1 The "working mode" corresponds to the applicable application scenario of the radio frequency processing device shown in FIG. Si is the number of carriers that can be processed after the RF processing device is configured. i can take 1, 2, 3 or 4. "Output power" indicates the output power of the RF processing device when transmitting a carrier.
  • the way of combining means the way of combining the 3db bridges, wherein the “common phase” means that the two inputs of the 3db bridge input the same kind of carrier; the "broadband combined” means that the two inputs of the 3db bridge are input different types. Carrier.
  • Embodiment 1 is a diagrammatic representation of Embodiment 1:
  • FIG. 10 is a schematic structural diagram of a single-carrier high-power application when the radio frequency processing device is implemented in the first embodiment.
  • the device is capable of processing up to two carriers.
  • the single carrier is assumed to be the same carrier as the carrier of the DAC1 and the DAC2.
  • the endpoint a of the 3db bridge 9A is connected with the transmitting end of the first transmission processing module, and the endpoint of the 3db bridge 9A is connected.
  • the b is connected to the transmitting end of the second transmitting processing module, and connects the end c of the 3db bridge 9A with the input end of the first carrier transceiver front end unit.
  • the so-called high power that is, because the carriers processed by the two carrier processing units are the same, the combined mode is the same phase, and the carrier power output from the output of the 3db bridge 9A, that is, point c is 30W.
  • This way of combining can be called TX1 and TX2.
  • the first receive processing module is enabled in this embodiment.
  • the number of carriers processed by the radio frequency processing device is one, and the transmission power is 30 W. Therefore, the application scenario that supports wide coverage needs to be adapted to a small amount of traffic.
  • the device that does not participate in the operation can be set. Set to be in a power saving state. Moreover, it can be set that when the output of the TX1 and TX2 combined outputs causes the output power to be less than 30W, the combination of TX3 and TX4 is enabled, and the combination of TX1 and TX2 is set to the energy-saving state.
  • the device or module schematic representations in the figure that are in an inactive state are identified in gray.
  • Embodiment 2 is a diagrammatic representation of Embodiment 1:
  • FIG. 11 is a schematic structural diagram of a second embodiment of a radio frequency processing apparatus for implementing two-carrier low-power applications.
  • the device can handle up to two carriers.
  • the carriers input to DAC1 and DAC2 are two different carriers, respectively.
  • the endpoint a of the 3db bridge 9A is connected with the transmitting end of the first transmitting processing module, and the endpoint of the 3db bridge 9A is connected.
  • the b is connected to the transmitting end of the second transmitting processing module, and connects the end c of the 3db bridge 9A with the input end of the first carrier transceiver front-end unit. Since the carriers processed by the two carrier processing units are different, the combined mode is a wideband combining, and the output power of each carrier from the output of the 3db bridge, that is, point c is 10W. Meanwhile, since the carriers processed by the two carrier processing units are not the same, in the two carrier processing units, the first receiving processing module and the second receiving processing module need to be simultaneously enabled.
  • the radio frequency processing device can be adapted to an application scenario in which the traffic volume is relatively large compared to the first embodiment, and the coverage is not high.
  • the device or module schematic representation in the figure that is inactive is marked in gray.
  • Embodiment 3 is a diagrammatic representation of Embodiment 3
  • FIG. 12 is a diagram showing a single-carrier super power of a radio frequency processing device in Embodiment 3. Schematic diagram of the structure when applied.
  • the RF processing device can handle up to four carriers.
  • four carrier processing units are simultaneously enabled, and the carriers of the input DAC1, DAC2, DAC3, and DAC4 are the same, that is, the entire radio frequency processing device processes one carrier.
  • a four-division antenna transmission mode is adopted, and signals output from the four transmission processing modules are respectively transmitted through four antennas.
  • the concept of the antenna transmission mode of the four-division is known in the prior art, and can be understood by referring to relevant materials, which will not be described again.
  • the transmitting end of the first transmitting processing module is connected with one end of the wire I, and the wire I is further One end is connected to the input end of the first carrier transceiver front-end unit, that is, the signal sent by the first transmission processing module is transmitted through the ANT1.
  • the transmitting end of the second transmitting processing module is connected to the third node that is separately set on the controllable switch 2, and then connected to the embodiment shown in FIG. 8 as used in the embodiment of the present invention.
  • a four-port antenna ANT3, through the four-port antenna ANT3 with filtering function filters the signal sent by the transmitting end of the second transmitting processing module and sends it out.
  • the transmitting end of the third transmitting processing module is connected with one end of the wire J, and the other end of the wire J is The input ends of the second carrier transceiver front-end unit are connected, that is, the signal sent by the third transmission processing module is transmitted through the ANT2. And, in order to achieve the ultra-long-distance coverage, the transmitting end of the fourth transmitting processing module is connected to the third node that is separately set on the controllable switch 5, and then connected to the embodiment shown in FIG. 8 as used in the embodiment of the present invention.
  • a four-port antenna ANT4 through the four-port antenna ANT4 with filtering function, filters the signal sent by the transmitting end of the fourth transmitting processing module and sends it out. Since the four carrier processing units process one carrier, one receiving processing module can be used in common, and the first receiving processing module is used. It can be seen that the transmit diversity of 4 antennas and 2 days are used in the third embodiment. The transmit mode of the line's receive diversity (4T2R).
  • the radio frequency processing device simultaneously activates one carrier processed by the four carrier processing units, and directly transmits signals sent from the four transmission processing modules through four antennas through control of the two control units.
  • Each output power is 20W, and without the combined operation, the output power of the entire RF processing device is as high as 80W. Therefore, the radio frequency processing device can be applied to an application scenario in which a base station needs to provide ultra long-distance coverage.
  • the third embodiment it is also possible to set the devices, modules, and the like that do not participate in the operation in an energy-saving state from the viewpoint of energy saving. Also, in order to visually see which devices or modules are in operation from Figure 12, the device or module schematic icons in the figure that are in an inactive state are identified in gray.
  • Embodiment 4 is a diagrammatic representation of Embodiment 4:
  • FIG. 13 is a schematic diagram of an implementation of a radio frequency processing apparatus implemented in a fourth embodiment from a single carrier to a dual carrier.
  • the first application unit controls the first transmission processing module to directly connect with the first carrier transceiver front-end unit, and sends a signal through ANT1, and accordingly, the module that needs to participate in the operation is further provided.
  • a first receiving processing module is included. If the number of users increases, the base station needs to be expanded.
  • the third control unit can be connected to the second carrier transceiver front-end unit by starting the second control unit, and the signal is sent through ANT2.
  • the module that needs to participate in the work may further include a second receiving processing module.
  • the small marks in Fig. 13 regarding the respective components in the first and second control units are not marked, as shown in the relevant reference numeral in Fig. 9.
  • the radio frequency processing device and the configuration method of the device provided by the embodiment of the present invention can realize the expansion of the base station very conveniently.
  • Embodiment 5 is a diagrammatic representation of Embodiment 5:
  • FIG. 14 is a schematic diagram of the implementation of the two-carrier high-power processing of the radio frequency processing device in the fifth embodiment. Schematic diagram of the structure of the time.
  • the device can handle up to four carriers.
  • the method of simultaneously enabling four carrier processing units is adopted, except that the four carrier processing units can process one carrier every two. It is assumed that the first and second carrier processing units process one type of carrier, and the third and fourth carrier processing units process another type of carrier.
  • the connection relationship between each controllable switch and the related device can be seen in Figure 14, and will not be described again. And, since two carriers are processed, any two of the four receiving processing modules can be enabled in the fifth embodiment.
  • the combined output power of TX1 and TX2 and the combined output power of TX3 and TX4 are both 30W.
  • the RF processing device is more suitable for an application scenario with a large amount of traffic and requiring wide coverage.
  • the device or module schematic representation in the figure that is inactive is marked in gray.
  • FIG. 15 is a schematic structural diagram of a radio frequency processing apparatus according to Embodiment 6 when a two-carrier wide coverage application is implemented.
  • the device can handle up to four carriers.
  • the method of simultaneously enabling four carrier processing units is adopted, wherein the first and second transmission processing modules are configured to process the same carrier, the third and the fourth.
  • the transmit processing module processes the same carrier.
  • the connection relationship between the controllable switches and the related devices can be referred to the related description above, and details are not described herein again.
  • ANT3 and ANT4 are the four-port antennas shown in Figure 8 above.
  • ANT1 and ANT2 transmit the same carrier
  • ANT3 and ANT4 transmit the same carrier.
  • the transmit diversity of the two antennas and the receive diversity of the two antennas are adopted, and each of the transmitted signals does not pass through the combined path, and each channel outputs 20 W power.
  • FIG. 16 is a schematic structural diagram of a three-carrier low-power application implemented by the radio frequency processing apparatus in Embodiment 7.
  • the device can handle up to three carriers.
  • the three carrier processing units are simultaneously enabled, wherein each carrier processing unit processes one carrier.
  • FIG. 16 after being configured by the first control unit and the second control unit, the connection relationship between each controllable switch and the related device can be referred to the related description above, and details are not described herein again.
  • the combination of TX1 and TX2 is combined by the broadband, so the output power of each carrier is 10W, and the output power of the carrier transmitted by the third carrier processing unit can also be adjusted. Adjust to 10W.
  • the RF processing device is more suitable for an application scenario in which the traffic volume is large, but the coverage is not required.
  • the seventh embodiment from the viewpoint of energy saving, devices, modules, and the like that do not participate in the operation can be set in an energy-saving state. Also, in order to visually see which devices or modules are in operation from Figure 16, the device or module schematic representation in the figure that is inactive is marked in gray.
  • FIG. 17 is a schematic structural diagram of a radio frequency processing apparatus according to Embodiment 8 when a four-carrier low-power application is implemented.
  • the device can handle up to four carriers.
  • the eighth embodiment in order to realize that the radio frequency processing device can process four types of carriers, the method of simultaneously enabling four carrier processing units is adopted, wherein each carrier processing unit correspondingly processes one type of carrier.
  • the connection relationship between each controllable switch and the related device can be referred to the related description above, and details are not described herein again.
  • FIG. 18 is a schematic structural diagram of a radio frequency processing apparatus according to Embodiment 9 when a four-carrier wide coverage application is implemented.
  • the method of simultaneously enabling four carrier processing units is adopted, wherein each carrier processing unit processes one carrier correspondingly, and each carrier output is not Need to go through the road.
  • the connection relationship between the controllable switches and the related devices can be referred to the related description above, and details are not described herein again.
  • ANT3 and ANT4 are the four-port antennas shown in Fig. 8 described above.
  • the carriers transmitted from ANT1 to ANT4 are different.
  • each transmitted signal does not pass through the combined 3db bridge, that is, the transmission does not divide, but receives two antenna diversity. Therefore, each output power is 20W. Therefore, the radio frequency processing device can be adapted to a suburb where a large amount of traffic is required and a wide coverage is required.
  • the radio frequency processing device provided by the embodiment of the present invention can be applied to an indoor base station environment, and can also be applied to a baseband and radio frequency phase separated GSM-RRU solution.
  • the device is configured to improve the original radio frequency processing device, and configure the corresponding processing carrier for the radio frequency processing device by using a configuration unit that can be controlled by software, which can support flexible carrier configuration, and the hardware supports smooth expansion, such as the above figure.
  • the 9 can be smoothly expanded from a single carrier to a four-carrier, which can provide operators with RF processing equipment suitable for various application scenarios.
  • the uplink can adopt a multi-carrier reception scheme to support the application modes of the above embodiments.
  • the device provided by the embodiment of the present invention can be applied to a communication system such as GSM.

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

Abstract

L'invention concerne un dispositif de traitement radiofréquence, ledit dispositif incluant : au moins deux unités de traitement d'onde porteuse, une unité frontale recevant et envoyant une onde porteuse et une unité de configuration. Ladite unité de configuration, placée entre l'extrémité d'entrée de ladite unité frontale recevant et envoyant une onde porteuse et l'extrémité d'envoi de chacune desdites deux unités de traitement d'onde porteuse traitant l'onde porteuse. L'invention concerne également un procédé permettant de configurer le dispositif de traitement radiofréquence.
PCT/CN2008/070697 2007-04-30 2008-04-11 Dispositif de traitement radiofréquence et procédé de configuration du dispositif de traitement radiofréquence WO2008134951A1 (fr)

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CN200710101584.1 2007-04-30
CN2007101015841A CN101299840B (zh) 2007-04-30 2007-04-30 射频处理装置和配置射频处理装置的方法

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CN111525901B (zh) * 2020-05-09 2023-04-25 芯朴科技(上海)有限公司 射频电路、射频信号发射和接收方法及无线通信设备

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001052428A1 (fr) * 2000-01-07 2001-07-19 Mario Hieb Excitateur / phaseur / transmetteur numerique pour systeme d'antenne directionnel
CN1797967A (zh) * 2004-12-24 2006-07-05 中兴通讯股份有限公司 一种基于信道共享的多载波收发系统及其实现方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2001052428A1 (fr) * 2000-01-07 2001-07-19 Mario Hieb Excitateur / phaseur / transmetteur numerique pour systeme d'antenne directionnel
CN1797967A (zh) * 2004-12-24 2006-07-05 中兴通讯股份有限公司 一种基于信道共享的多载波收发系统及其实现方法

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