WO2017024809A1 - 一种载波聚合信号的接收方法、装置及计算机存储介质 - Google Patents

一种载波聚合信号的接收方法、装置及计算机存储介质 Download PDF

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Publication number
WO2017024809A1
WO2017024809A1 PCT/CN2016/079623 CN2016079623W WO2017024809A1 WO 2017024809 A1 WO2017024809 A1 WO 2017024809A1 CN 2016079623 W CN2016079623 W CN 2016079623W WO 2017024809 A1 WO2017024809 A1 WO 2017024809A1
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signal
gain control
frequency band
receiving
channel
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French (fr)
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吴章彬
谢豪律
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Sanechips Technology Co Ltd
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Sanechips Technology Co Ltd
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L5/00—Arrangements affording multiple use of the transmission path
    • H04L5/0001—Arrangements for dividing the transmission path

Definitions

  • the present invention relates to a carrier aggregation technology in the field of wireless communications, and in particular, to a carrier aggregation signal receiving method and apparatus, and a computer storage medium.
  • LTE-A Long Term Evolution–Advanced proposes a scheme for Carrier Aggregation (CA).
  • CA Carrier Aggregation
  • the principle of carrier aggregation is to carry communication data on multiple carriers for parallel communication based on the existing spectrum division, thereby increasing the communication bandwidth and increasing the data transmission rate.
  • the communication data carried on multiple carriers can be transmitted in the same band or distributed in different frequency bands for transmission.
  • the receiver can still be received by a traditional single receive link.
  • the only difference from non-carrier aggregation is that the maximum bandwidth of its baseband filter is twice.
  • the receiver uses multiple traditional receiving links to perform demodulation of non-contiguous carrier aggregation, except that each receiving link uses a different local oscillation frequency.
  • each of the receiving links of the receiver has a duplexer, a matching circuit, a low noise amplifier, a mixer, and a local oscillator corresponding to the mixer.
  • the entire receiving link will It is very redundant and the cost of this solution is relatively high.
  • the second solution is to multiplex the front-end RF devices such as the duplexer and the matching circuit of the receiver, and configure an independent low-noise amplifier for each band supported by the receiver.
  • the low-noise amplifier uses a single input.
  • the output structure demodulates a plurality of carriers by respectively inputting a plurality of discontinuous carriers in each frequency band into a plurality of subsequent links composed of a mixer and a local oscillator corresponding to the mixer.
  • embodiments of the present invention are directed to providing a method and apparatus for receiving a carrier aggregation signal and a computer storage medium, which can reduce the area of the chip and reduce the cost of the chip.
  • a receiving device for carrier aggregation signals comprising: an input amplifier comprising: M input units and N output units; a switching circuit, the switching circuit being coupled to the M input units and the N output units; the N output units are correspondingly connected to N receiving channel circuits;
  • the M input units are configured to respectively amplify the K channel signals in the received frequency band signal and output a K channel amplified signal; wherein an input unit of the input amplifier is used to amplify the frequency band signal of one frequency band Processing, each frequency band signal includes at least one channel signal, where M is the number of frequency bands supported by the receiving device, and K is an integer greater than or equal to 1 and less than or equal to N;
  • the switching circuit is configured to select, into the K output units of the N output units, the K-channel amplified signals output by the M input units, wherein the N is an integer greater than or equal to 2;
  • any one of the N output units is configured to perform gain control processing on the amplified signal selected by the switching circuit to obtain a gain control signal
  • Any one of the N receiving channel circuits for receiving a gain control signal of the target carrier including the any receiving channel circuit sent by the corresponding output unit, and a gain control signal for the target carrier Performing processing to obtain a baseband signal corresponding to the target carrier, where the target carrier is one of the K channel signals.
  • any of the receiving channel circuits includes: a mixer, a frequency synthesizer, and a bandwidth adjustable transimpedance amplifier;
  • the frequency synthesizer is configured to generate a local oscillation signal
  • the mixer is configured to receive a gain control signal output by the output unit and a local oscillation signal generated by the frequency synthesizer, and mix the gain control signal by using the local oscillation signal to generate a mixing a signal output to the bandwidth adjustable transimpedance amplifier;
  • the bandwidth tunable transimpedance amplifier is configured to generate the mixed signal input by the mixer to generate a baseband signal corresponding to a target carrier in the gain control signal.
  • the receiving device further includes a frequency band separator
  • the frequency band splitter is configured to receive a carrier aggregation signal of a multi-carrier from an antenna, perform frequency band separation on the carrier aggregation signal, obtain a frequency band signal, and input the frequency band signal to a corresponding input unit.
  • the receiving device further includes: a baseband processor, where
  • the baseband processor is configured to perform baseband processing on the baseband signal generated by any of the receiving channel circuits.
  • a method for receiving a carrier aggregation signal comprising:
  • each frequency band signal includes at least one channel signal
  • the K is an integer greater than or equal to 1
  • the processing the the gain control signal to obtain the baseband signal corresponding to the target carrier in the gain control signal including:
  • the mixed signal is generated as a baseband signal corresponding to a target carrier in the gain control signal.
  • the method before the amplifying the K channel signals in the received frequency band signals, the method further includes:
  • the method further includes:
  • Baseband processing is performed on the obtained baseband signal.
  • a computer storage medium comprising a set of instructions that, when executed, cause at least one processor to perform operations comprising:
  • each frequency band signal includes at least one channel signal
  • the K is an integer greater than or equal to 1
  • Selecting and receiving an amplified signal in the amplified signal performing gain control processing on the received amplified signal to obtain a gain control signal
  • processing the gain control signal to obtain a baseband signal corresponding to the target carrier in the gain control signal,
  • the target carrier is one of the K channel signals.
  • Embodiments of the present invention provide a method and device for receiving a carrier aggregation signal, and a computer storage medium, which divide an existing low noise amplifier into an input unit and an output unit, and set a switching circuit between the input unit and the output unit, and low noise.
  • the output unit of the amplifier is connected to the subsequent receiving channel circuits formed by the components such as the mixer.
  • the receiving device is configured with an independent input unit for each frequency band supported for receiving, and the output unit of the low noise amplifier is set corresponding to the number of aggregated carriers in the received carrier aggregation signal, and does not need to correspond to each supported frequency band. To set up; such a receiving device can completely receive the carrier aggregation signals in the existing three carrier aggregation scenarios.
  • the subsequent output units and the receiving channel circuits can be multiplexed in a plurality of frequency bands, thereby reducing the area of the chip and reducing the cost of the chip.
  • the frequency bands that need to be supported by the increasing LTE-A when increasing the number of frequency bands supported by the receiving device, only a corresponding number of input units need to be added, without increasing the devices in the subsequent output unit and receiving channel circuits, and reducing the chip.
  • the area reduces the cost of the chip.
  • FIG. 1 is a schematic diagram of an application scenario of a typical three carrier aggregation
  • FIG. 2 is a schematic structural diagram of a device for receiving a carrier aggregation signal according to Embodiment 1 of the present invention
  • FIG. 3 is a structural block diagram of a device for receiving a two-carrier aggregated signal according to Embodiment 1 of the present invention
  • FIG. 4 is a structural block diagram of a device for receiving a three-carrier aggregate signal according to Embodiment 1 of the present invention.
  • FIG. 5 is a schematic flowchart of a method for receiving a carrier aggregation signal according to Embodiment 2 of the present invention.
  • An embodiment of the present invention provides a receiving apparatus for a carrier aggregation signal.
  • the apparatus includes: an input amplifier, where the input amplifier includes M input units and N output units, and M input units are recorded as Input unit 201 - input unit 20M, N output units are recorded as output unit 231 - output unit 23N, switching circuit 21, the switching circuit 21 is coupled between the M input units and the N output units;
  • the N output units are connected to the N receiving channel circuits; the N receiving channel circuits are recorded as: the receiving channel circuit 221 to the receiving channel 22N, and the N is an integer greater than or equal to 2.
  • M input units are respectively used for amplifying and processing the K channel signals in the received frequency band signals, and outputting the amplified signals; wherein, one input unit is used for amplifying the frequency band signals of one frequency band, and each frequency band signal is
  • the method includes at least one channel signal, where M is a number of frequency bands supported by the receiving device, and K is an integer greater than or equal to 1 and less than or equal to N.
  • the input unit supports receiving the frequency band signal of one frequency band, that is, as shown in FIG. 2, the input unit 201-the input unit 20M is respectively used for the frequency band signal corresponding to the receiving frequency band 1 to the frequency band M.
  • the receiving device further includes a band separator (not shown); the band separator is configured to receive a carrier aggregation signal of the multi-carrier from the antenna, perform frequency band separation on the carrier aggregation signal, obtain a frequency band signal, and The frequency band signals are respectively input to the corresponding input units; the corresponding input units amplify the frequency band signals of the corresponding frequency bands, that is, the K channel signals in the received frequency band signals are amplified.
  • a band separator is configured to receive a carrier aggregation signal of the multi-carrier from the antenna, perform frequency band separation on the carrier aggregation signal, obtain a frequency band signal, and The frequency band signals are respectively input to the corresponding input units; the corresponding input units amplify the frequency band signals of the corresponding frequency bands, that is, the K channel signals in the received frequency band signals are amplified.
  • the current carrier aggregation has three application scenarios as shown in FIG. 1 : continuous carrier aggregation in a frequency band, discontinuous carrier aggregation in a frequency band, and discontinuous carrier aggregation between frequency bands.
  • each frequency band includes a continuous channel signal; the discontinuous carrier aggregation in the frequency band
  • there are at least two non-contiguous carrier aggregations and each frequency band includes at least two channel signals.
  • each frequency band includes at least one channel signal.
  • the switching circuit 21 is coupled between the M input units and the N output units, and is configured to select, into the N output units, the K-channel amplified signals output by the M input units In the K output units, the N is an integer greater than or equal to 2.
  • Any one of the N output units is configured to perform gain control processing on an amplified signal selected by the switching circuit to obtain a gain control signal.
  • the N output units are connected to the N receiving channel circuits; any one of the N receiving channel circuits is configured to receive a target carrier that is sent by the corresponding output unit and includes any of the receiving channel circuits.
  • a gain control signal is processed to obtain a baseband signal corresponding to the target carrier, and the target carrier is one of the K channel signals.
  • the received carrier aggregation signal has a frequency band signal of one of the M frequency bands that the receiving device supports, and the frequency band splitter receives the carrier aggregation signal of the multi-carrier from the antenna, and performs frequency band separation on the carrier aggregation signal. Obtain the frequency band signal of the 1 frequency band.
  • the frequency band separator selects one input unit of the M input units according to the frequency of the frequency band signal to amplify and output one amplified signal, and then switches
  • the circuit 21 sends the 1 amplified signal to any one of the N output units, and any one of the output units pairs the switching circuit 21: selecting one of the input amplified signals to perform gain control processing to obtain one gain control signal; and any one of the N receiving channel circuits correspondingly connected to the any one of the output units is to receive the gain control signal (the gain
  • the control signal includes a target carrier for processing to obtain a baseband signal corresponding to the target carrier, where the target carrier is a carrier in the K channel signals.
  • Any one of the N output units in the receiving device can receive the amplified signal; specifically, the switching circuit selects the receiving.
  • the non-contiguous carrier in the frequency band signal has K (K is greater than or equal to 2), and the band separator selects one input of the M input units according to the frequency of the one frequency band signal.
  • the unit performs amplification to output a K-channel amplified signal, and then sends the K-channel amplified signal to the K output units in the N output unit through the switching circuit 21, and any one of the K output units pairs the switching
  • the circuit 21 selects an input amplified signal to perform gain control processing to obtain a gain control signal; and any one of the N receiving channel circuits correspondingly connected to the any one of the output units outputs the gain control signal (the The target signal is included in the gain control signal for processing to obtain a baseband signal corresponding to the target carrier, where the target carrier is a carrier in the K channel signals.
  • Each receiving channel circuit processes a corresponding one of the K target carriers of the gain control signal to obtain a baseband signal corresponding to the target carrier, and the K receiving channel circuits respectively obtain the baseband signals corresponding to the K target carriers.
  • the received carrier aggregation signal has a frequency band signal of two or more frequency bands
  • the frequency band splitter receives the carrier aggregation signal of the multi-carrier from the antenna, and performs the carrier aggregation signal on the carrier aggregation signal.
  • the frequency band is separated, assuming that the frequency band signals of the K frequency bands are obtained, and there is one non-contiguous carrier in each frequency band signal.
  • the band separator selects and inputs K input units of the M input units according to the frequency of the K frequency band signals, and outputs the K channel amplified signals, and then sends the K-channel amplified signals into the N output unit through the switching circuit 21.
  • any one of the K output units selects the switching circuit 21 Selecting an input amplified signal for gain control processing to obtain a gain control signal; any one of the N receiving channel circuits correspondingly connected to the any one of the output units will receive the gain control signal (the gain control signal)
  • the signal includes a target carrier for processing to obtain a baseband signal corresponding to the target carrier, where the target carrier is a carrier in the K channel signals.
  • the receiving device performs the process of receiving and demodulating the carrier aggregation signal. It can be seen that, in the receiving device of this embodiment, the number of input units is the same as the number of frequency bands supported by the receiving device. The number of output units is the same as the number of channel signals aggregated in the received band signal.
  • any one of the receiving channel circuits includes: a mixer (not identified in the figure, specifically including the I channel mixed as shown in FIG. Frequency converter and Q-channel mixer), frequency synthesizer 2211, bandwidth-adjustable transimpedance amplifier 2212;
  • the frequency synthesizer 2211 is configured to generate a local oscillation signal
  • the mixer is configured to receive a gain control signal output by the output unit and a local oscillation signal generated by the frequency synthesizer 2211, and mix the differential signal by using the local oscillation signal to generate a mixing a signal, input to the bandwidth adjustable transimpedance amplifier 2212;
  • the bandwidth tunable transimpedance amplifier 2212 is configured to generate the mixed signal output by the mixer to generate a baseband signal corresponding to the target carrier.
  • the output unit 231 includes a gain controller 2311 and a balun 2312.
  • the gain controller 2311 is configured to process the amplified signal including the target carrier. Obtaining a processing signal, and inputting the processing signal to the balun 2312; the balun 2312, for converting a processing signal input by the gain controller 2311 into a differential signal, and inputting the differential signal To the mixer.
  • the obtained differential signal is the gain control signal described herein.
  • the output unit 231 may also include only the gain controller 2311.
  • the receiving device further includes: a baseband processor (not shown), wherein the baseband processor is configured to perform baseband processing on the baseband signal generated by any of the receiving channel circuits.
  • FIG. 3 is a schematic structural diagram of a receiving apparatus for a two-carrier aggregated signal.
  • the switching circuit 21 in the receiving apparatus is composed of three switches: a switch 1, a switch 2, and a switch 3. wherein one end of the switch 1 is coupled respectively.
  • the other end is coupled to the output end of the input unit 202 and one end of the switch 2, respectively; the other end of the switch 2 is coupled to the output end of the input unit 203 and the output unit 232 Inputs; one end of the switch 3 is coupled to the input of the output unit 231 and the output of the input unit 201, respectively, and the other end is coupled to the input of the output unit 232 and the output of the input unit 203, respectively.
  • the received carrier aggregation signal has a receiving device supporting the receiving of the frequency band signal 1 of one of the three frequency bands, and the two consecutive carrier aggregations in the frequency signal 1 of the frequency band.
  • the output unit outputs a gain control signal to the mixer;
  • the mixer is configured to receive the differential signal input by the output unit and the local oscillation signal generated by the frequency synthesizer, and use the local oscillation signal pair
  • the differential signal is mixed to generate a mixed signal, and the input is input to the bandwidth adjustable cross a variable-amplitude transimpedance amplifier, configured to generate a baseband signal corresponding to the target carrier by using the mixed signal input by the mixer, where the target carrier is a carrier in the frequency band signal .
  • the signal path may be 201-231-221 or 201-232-222, and may be independently selected by the switching circuit 21.
  • the received carrier aggregation signal has a receiving device supporting the frequency band signal 2 of one of the three frequency bands, and two non-contiguous carrier aggregations in the frequency band signal 2, two non- The continuous carrier is the target carrier A and the target carrier B.
  • the input unit 202 of the three input units is selected to be amplified, and then the two amplified signals are output, and then the two amplified signals are respectively sent to the output through the closing of the switch 1 and the switch 2 in the switching circuit 21.
  • the unit 231 and the output unit 232; the output unit 231 and the output unit 232 respectively perform gain control processing on the input amplified signal to obtain one gain control signal; the receiving channel circuit 221 connected to the output unit 231 and the receiving channel circuit 222 connected to the output unit 232.
  • the frequency synthesizer in the receiving channel circuit 221 generates a local oscillating signal corresponding to the target carrier A, and finally generates a baseband signal corresponding to the target carrier A; the frequency synthesizer in the receiving channel circuit 222 generates a local corresponding to the target carrier B.
  • the oscillating signal finally generates a baseband signal corresponding to the target carrier B.
  • the received carrier aggregation signal has a receiving device that supports receiving two frequency bands of the three frequency bands (band signal 2 and frequency band signal 3), and the frequency band signal 2 has Target carrier A, there is a target carrier B in the band signal 3.
  • the frequency band signal 2 is selectively input into the input unit 202 for amplification, and then an amplified signal 1 is output, and the frequency band signal 3 is selectively input into the input unit 203 for amplification, and then an amplified signal 2 is output, and then the switch is switched through the switching circuit 21.
  • the output unit 231 will The obtained gain control signal is input to the corresponding receiving channel circuit 221, and the frequency synthesizer in the receiving channel circuit 221 generates a local oscillation signal corresponding to the target carrier A, and finally generates a baseband signal corresponding to the target carrier A;
  • the output unit 232 inputs the obtained gain control signal into the receiving channel circuit 222 connected thereto, and the frequency synthesizer in the receiving channel circuit 222 generates the local oscillation signal corresponding to the target carrier B. Finally, a baseband signal corresponding to the target carrier B is generated.
  • FIG. 4 is a schematic structural diagram of a receiving apparatus for a three-carrier aggregated signal.
  • the switching circuit 21 in the receiving apparatus is composed of three switches: a switch 1, a switch 2, and a switch 3. wherein one end of the switch 1 is coupled respectively.
  • the other end is coupled to the output end of the input unit 202, the input end of the output unit 232, and one end of the switch 2, respectively; the other end of the switch 2 is coupled to the input unit 203
  • the output terminal and the input end of the output unit 233; one end of the switch 3 is coupled to the input end of the output unit 231 and the output end of the input unit 201, respectively, and the other end is coupled to the input end of the output unit 232 and the output end of the input unit 203, respectively.
  • the received carrier aggregation signal has a receiving device that supports receiving a frequency band signal 3 of one of the three frequency bands, and three frequency carrier signals are aggregated in the frequency signal 3.
  • a receiving device that supports receiving a frequency band signal 3 of one of the three frequency bands, and three frequency carrier signals are aggregated in the frequency signal 3.
  • the amplified signal includes a target carrier, and the output unit 231, the output unit 232 or the output unit 233 can perform gain control processing on the input amplified signal to obtain one gain control signal; and the output unit 231, the output unit 232 or the output unit 233, the corresponding receiving channel circuit 221, the receiving channel circuit 222 or the receiving channel circuit 223 can perform the following processing on the output unit output gain control signal: the output unit outputs a gain control signal to the mixer; the mixer, And receiving a differential signal input by the output unit and a local oscillation signal generated by the frequency synthesizer, and mixing the differential signal by using the local oscillation signal to generate a mixed signal, and inputting the bandwidth to the bandwidth a transimpedance amplifier; the bandwidth adjustable transimpedance amplifier for using the mixer
  • the input mixed signal generates a baseband signal corresponding to the target carrier, and the target carrier is a carrier in the frequency band signal 3.
  • the received carrier aggregation signal has a receiving device that supports receiving a frequency band signal 2 of one of the three frequency bands, wherein the frequency band signal 2 has three non-contiguous carrier aggregations, and the three non-continuous signals
  • the carrier is the target carrier A, the target carrier B, and the target carrier C.
  • the three-channel amplified signal is output after being amplified from the input unit 202 of the three input units, and then the three amplified signals are respectively sent to the output through the closing of the switch 1 and the switch 2 in the switching circuit 21.
  • the output unit 232, and the output unit 233 respectively perform gain control processing on the input amplified signal to obtain one gain control signal; and the output unit 231 obtains one gain control signal.
  • the frequency synthesizer in the receiving channel circuit 221 Input to the corresponding receiving channel circuit 221, the frequency synthesizer in the receiving channel circuit 221 generates a local oscillation signal corresponding to the target carrier A, and finally generates a baseband signal corresponding to the target carrier A; the output unit 232 will obtain A gain control signal is input to the receiving channel circuit 222 connected thereto, and the frequency synthesizer in the receiving channel circuit 222 generates a local oscillation signal corresponding to the target carrier B, and finally generates a baseband signal corresponding to the target carrier B; 233 input the obtained gain control signal to its corresponding In the receiving channel circuit 223, the frequency synthesizer in the receiving channel circuit 223 generates a local oscillation signal corresponding to the target carrier C, and finally generates a baseband signal corresponding to the target carrier C.
  • the received carrier aggregation signal has a receiving device that supports receiving three frequency bands of three frequency bands (band signal 1, frequency band signal 2, frequency band signal 3), and the frequency band.
  • band signal 1, frequency band signal 2, frequency band signal 3 There is a target carrier A in the signal 1, a target carrier B in the frequency band signal 2, and a target carrier C in the frequency band signal 3.
  • the frequency band signal 1 is selectively input into the input unit 201 for amplification, and then an amplified signal 1 is output, and the frequency band signal 2 is selectively input into the input unit 202 for amplification, and then an amplified signal 2 is output, and the frequency band signal 3 is selected and input.
  • the input unit 203 performs amplification to output an amplified signal 3; and then passes through the switching circuit 21
  • the three switches are both turned on to input the amplified signal 1 to the output unit 231, the amplified signal 2 is input to the output unit 232, and the amplified signal 3 is input to the output unit 233; the output unit 231, the output unit 232, and the output unit 233 are respectively input to the input unit
  • One channel of the amplified signal is subjected to gain control processing to obtain a gain control signal;
  • the output unit 231 inputs the obtained gain control signal into the corresponding receiving channel circuit 221, and the frequency synthesizer in the receiving channel circuit 221 generates the target carrier A corresponding to
  • the local oscillating signal finally generates a baseband signal corresponding to the target carrier A;
  • the output unit 232 inputs the obtained gain control signal into the corresponding receiving channel circuit 222, and the frequency synthesizer in the receiving channel circuit 222 generates a target.
  • the local oscillating signal corresponding to the carrier B finally generates a baseband signal corresponding to the target carrier B.
  • the output unit 233 inputs the obtained gain control signal into the receiving channel circuit 223 connected thereto, and receives the frequency in the channel circuit 223.
  • the synthesizer generates a local oscillation signal corresponding to the target carrier C , To ultimately generate a baseband signal corresponding to the target carrier C.
  • the receiving device provided in this embodiment divides the existing low noise amplifier into an input unit and an output unit, and sets a switching circuit between the input unit and the output unit, and the output unit of the low noise amplifier and the mixer form a subsequent component.
  • the receiving channel circuits are connected one by one.
  • the receiving device is configured with an independent input unit for each frequency band supported for receiving, and the output unit of the low noise amplifier is set corresponding to the number of aggregated carriers in the received carrier aggregation signal, and does not need to correspond to each supported frequency band. To set it up. In this way, the receiving device can completely receive the carrier aggregation signals in the existing three carrier aggregation scenarios.
  • the subsequent output units and the receiving channel circuits can be multiplexed in a plurality of frequency bands, thereby reducing the area of the chip and reducing the cost of the chip.
  • the frequency bands that need to be supported by the increasing LTE-A when increasing the number of frequency bands supported by the receiving device, only a corresponding number of input units need to be added, without increasing the devices in the subsequent output unit and receiving channel circuits, and reducing the chip.
  • the area reduces the cost of the chip.
  • An embodiment of the present invention provides a method for receiving a carrier aggregation signal, as shown in FIG. 5,
  • the process flow of the embodiment method includes the following steps:
  • Step 501 Perform amplification processing on the K channel signals in the received frequency band signals, and output K-channel amplification signals.
  • the signal of each frequency band includes at least one carrier, and the K is an integer greater than or equal to 1.
  • the receiving method of the present embodiment can be described with reference to the receiving apparatus shown in FIGS. 2 to 4.
  • the receiving device may first receive the carrier aggregation signal of the multi-carrier, and perform frequency band separation on the carrier aggregation signal to obtain the frequency band signal.
  • the M input units in the receiving device may respectively perform amplification processing on the channel signals in the received frequency band signals, and output the amplified signals.
  • Step 502 Selecting and receiving an amplified signal from the K-channel amplified signal, and performing gain control processing on the received amplified signal to obtain a gain control signal.
  • the receiving device may select the K output units by the switching circuit to process the amplified signal, and the receiving device may amplify the signal for any of the amplified signals, and may select the output unit to receive the any of the amplified signals, and the receiving device is selected.
  • the output unit may perform gain control processing on the received amplified signal to obtain a gain control signal.
  • Step 503 Process the gain control signal to obtain a baseband signal corresponding to the target carrier in the gain control signal.
  • the target carrier is one of the K channel signals.
  • the receiving channel circuit in the receiving device can process the one gain control signal to obtain a baseband signal corresponding to the target carrier in the one gain control signal.
  • the gain control process is performed on the received amplified signal to obtain a gain control signal, including: performing gain processing on the received amplified signal to obtain a gain control signal; and converting the gain control signal
  • the differential signal is the gain control signal.
  • the method further includes: performing baseband processing on the obtained baseband signal.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention can take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • Embodiments of the present invention also provide a computer storage medium, the storage medium comprising a set of instructions that, when executed, cause at least one processor to perform operations including:
  • each frequency band signal includes at least one channel signal
  • the K is an integer greater than or equal to 1
  • Selecting and receiving an amplified signal in the amplified signal performing gain control processing on the received amplified signal to obtain a gain control signal; and entering the gain control signal
  • the row processing obtains a baseband signal corresponding to the target carrier in the gain control signal, and the target carrier is one of the K channel signals.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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Abstract

本发明实施例公开了一种载波聚合信号的接收装置，所述接收装置包括输入放大器，所述输入放大器包括M个输入单元和N个输出单元；N个输出单元对应连接N个接收通道电路；M个输入单元用于分别对接收到的频段信号中的K个信道信号进行放大处理，输出放大信号；切换电路用于将M个输入单元输出的放大信号选择输入N个输出单元中的K个输出单元中，N个输出单元中的任一输出单元，用于对输入的放大信号进行增益控制处理获得增益控制信号；N个接收通道电路中的任一接收通道电路对接收到的增益控制信号进行处理获得目标载波对应的基带信号。本发明实施例还公开了一种载波聚合信号的接收方法及计算机存储介质。

Description

一种载波聚合信号的接收方法、装置及计算机存储介质 技术领域
本发明涉及无线通信领域中的载波聚合技术，尤其涉及一种载波聚合信号的接收方法、装置及计算机存储介质。
背景技术
目前，为了满足第4代移动通讯系统的峰值带宽要求和实现更高的用户数据吞吐率，并且同时保持与第3代移动通信设备的兼容性，先进的长期演进技术(LTE-A，Long Term Evolution–Advanced)提出了载波聚合(CA，Carrier Aggregation)的方案。载波聚合的原理是在现有的频谱划分基础上，将通信数据承载在多个载波上进行并行通信，从而达到增大通信带宽，提高数据传输数率的目的。承载在多个载波上的通信数据可以在同一个频段(band)中进行传输，也可分散在不同频段中进行传输。在第三代合作伙伴计划(3GPP，3rd Generation Partnership Project)协议版本10中，定义了以下三种载波聚合的应用场景，如图1所示：频段内连续载波聚合、频段内非连续载波聚合和频段间非连续载波聚合。
对于频段内连续载波聚合，接收机仍可以由传统的单条接收链路来接收，与非载波聚合的唯一区别是其基带滤波器的最大带宽是原来的两倍。而对于频段内非连续载波聚合和频段间非连续载波聚合，则接收机中必须有多条接收链路对承载在多个非连续载波上的数据进行接收解调。
现有的解决方案有两种，第一种解决方案为：接收机采用多条传统的接收链路来完成非连续载波聚合的解调，只是每条接收链路采用不同本地振荡频率。此种方案中接收机的每条接收链路中都有的双工器、匹配电路、低噪声放大器、混频器以及混频器对应的本地振荡器等。整个接收链路会 得非常的冗余，且这种解决方案的成本也相对较高。第二种解决方案为：对接收机的前端射频器件如双工器和匹配电路进行复用，针对接收机支持接收的每一频段配置有一个独立的低噪声放大器，低噪声放大器采用单输入多输出的结构，将每一频段内的多个不连续载波输入多条由混频器以及混频器对应的本地振荡器等结构组成的后续链路中，分别解调出多个载波。
现今国际上存在诸多LTE-A所需支持的频段，如果按照现有的技术来实现，可以比较有效的完成载波聚合的解调，但采用这种方案所付出的代价是每一频段对应的接收链路中都必须具有独立的低噪声放大器等，从而使接收机的芯片的面积较大，增加了芯片的成本，这和当前移动终端日益强烈的射频子系统小型化、低成本需求相违背。
发明内容
有鉴于此，本发明实施例期望提供一种载波聚合信号的接收方法、装置及计算机存储介质，可以减少芯片的面积，降低芯片的成本。
为达到上述目的，本发明的技术方案是这样实现的：
一种载波聚合信号的接收装置，所述装置包括：输入放大器，所述输入放大器包括M个输入单元和N个输出单元；切换电路，所述切换电路耦合于所述M个输入单元与所述N个输出单元之间；所述N个输出单元对应连接N个接收通道电路；
所述M个输入单元，用于分别对接收到的频段信号中的K个信道信号进行放大处理，输出K路放大信号；其中，输入放大器的一个输入单元用于对一个频段的频段信号进行放大处理，每个频段信号上包括至少一个信道信号，所述M为所述接收装置支持接收的频段个数，K为大于等于1小于等于N的整数；
所述切换电路，用于将所述M个输入单元输出的K路放大信号选择输入N个输出单元中的K个输出单元中，所述N为大于等于2的整数；
所述N个输出单元中的任一输出单元，用于对所述切换电路选择输入的放大信号进行增益控制处理获得一路增益控制信号；
所述N个接收通道电路中的任一接收通道电路，用于接收对应的输出单元发送的包括所述任一接收通道电路的目标载波的一路增益控制信号，对包括目标载波的一路增益控制信号进行处理获得所述目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
上述方案中，所述任一接收通道电路包括：混频器、频率综合器、带宽可调跨阻放大器；
所述频率综合器，用于生成本地振荡信号；
所述混频器，用于接收所述输出单元输出的增益控制信号以及所述频率综合器生成的本地振荡信号，并利用所述本地振荡信号对所述增益控制信号进行混频，生成混频信号，输出给所述带宽可调跨阻放大器；
所述带宽可调跨阻放大器，用于将所述混频器输入的所述混频信号生成与所述增益控制信号中的目标载波对应的基带信号。
上述方案中，所述接收装置还包括频段分离器；
所述频段分离器，用于从天线接收多载波的载波聚合信号，并对所述载波聚合信号进行频段分离，获得频段信号，并将频段信号分别输入至相应的输入单元。
上述方案中，所述接收装置还包括：基带处理器，其中，
所述基带处理器，用于对所述任一接收通道电路生成的基带信号进行基带处理。
一种载波聚合信号的接收方法，所述方法包括：
分别对接收到的频带信号中的K个信道信号进行放大处理，输出K路放大信号；其中，每个频段信号包括至少一个信道信号，所述K为大于等于1的整数；
从所述K路放大信号中选择接收一路放大信号，对接收的所述放大信号进行增益控制处理获得增益控制信号；
对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
上述方案中，所述对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，包括：
生成本地振荡信号；
利用所述本地振荡信号对所述增益控制信号进行混频，生成混频信号；
将所述混频信号生成与所述增益控制信号中的目标载波对应的基带信号。
上述方案中，在所述分别对接收到的频带信号中的K个信道信号进行放大处理之前，所述方法还包括：
接收载波聚合信号，并对所述载波聚合信号进行频段分离，获得频段信号。
上述方案中，在所述获得所述一路增益控制信号中的目标载波对应的基带信号之后，所述方法还包括：
对获得的所述基带信号进行基带处理。
一种计算机存储介质，该存储介质包括一组指令，当执行所述指令时，引起至少一个处理器执行包括以下的操作：
分别对接收到的频带信号中的K个信道信号进行放大处理，输出K路放大信号；其中，每个频段信号包括至少一个信道信号，所述K为大于等于1的整数；从所述K路放大信号中选择接收一路放大信号，对接收的所述放大信号进行增益控制处理获得增益控制信号；对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
本发明实施例提供了一种载波聚合信号的接收方法、装置及计算机存储介质，将现有的低噪声放大器分成输入单元和输出单元，并在输入单元和输出单元之间设置切换电路，低噪声放大器的输出单元与混频器等器件组成后续的接收通道电路一一对应连接。接收装置给支持接收的每一频段配置有一个独立的输入单元，而低噪声放大器的输出单元则对应与接收的载波聚合信号中的聚合载波个数进行设置，不需要对应于每一支持的频段来进行设置；这样的接收装置完全可以接收现有的三种载波聚合场景下的载波聚合信号。本实施例的接收装置中可以多个频段复用这些后续的输出单元和接收通道电路，进而减少芯片的面积，降低芯片的成本。这样对于日益增多的LTE-A所需支持的频段，在增加接收装置支持的频段数目时，只需要增设相应数目的输入单元，而不必增加后续的输出单元和接收通道电路中的器件，减少芯片的面积，降低芯片的成本。
附图说明
图1为典型的三种载波聚合的应用场景示意图；
图2为本发明实施例1提供的一种载波聚合信号的接收装置的结构示意图；
图3为本发明实施例1提供的一种两载波聚合信号的接收装置的结构框图；
图4为本发明实施例1提供的一种三载波聚合信号的接收装置的结构框图；
图5为本发明实施例2提供的一种载波聚合信号的接收方法流程示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进 行清楚、完整地描述。
本发明实施例提供了一种载波聚合信号的接收装置，如图2所示，所述装置包括：输入放大器，所述输入放大器包括M个输入单元和N个输出单元，M个输入单元记为输入单元201-输入单元20M，N个输出单元记为输出单元231-输出单元23N，切换电路21、所述切换电路21耦合于所述M个输入单元与所述N个输出单元之间；所述N个输出单元对应连接N个接收通道电路；所述N个接收通道电路记为：接收通道电路221～接收通道22N，所述N为大于等于2的整数。
M个输入单元，用于分别对接收到的频段信号中的K个信道信号进行放大处理，输出放大信号；其中，一个输入单元用于对一个频段的频段信号进行放大处理，每个频段信号上包括至少一个信道信号，所述M为所述接收装置支持接收的频段个数，K为大于等于1小于等于N的整数。
现今国际上存在诸多LTE-A所需支持的频段，假设本实施例提供的接收装置支持接收的频段个数为M个，则本实施例中就需要设置有M个输入单元，通常情况下每个输入单元支持接收一个频段的频段信号，即如图2所示，输入单元201-输入单元20M分别用于对应接收频段1～频段M的频段信号。
接收装置还包括频段分离器(图中未显示)；所述频段分离器，用于从所述天线接收多载波的载波聚合信号，并对所述载波聚合信号进行频段分离，获得频段信号，并将这些频段信号分别输入至相应的输入单元；相应的输入单元会对相应频段的频段信号进行放大处理，即对接收到的频段信号中的K个信道信号进行放大处理。
由于目前的载波聚合有图1所示的三种应用场景：频段内连续载波聚合、频段内非连续载波聚合和频段间非连续载波聚合。在频段内连续载波聚合的应用场景下，每个频段内包括连续信道信号；频段内非连续载波聚 合的应用场景下有至少两个非连续载波聚合，每个频段内包括至少两个信道信号，在频段间非连续载波聚合的应用场景下，每个频段内包括至少一个信道信号。
切换电路21，所述切换电路21耦合于所述M个输入单元与所述N个输出单元之间，用于将所述M个输入单元输出的K路放大信号选择输入N个输出单元中的K个输出单元中，所述N为大于等于2的整数。
在这里需要说明的是，本实施例中所提及的耦合，其含义在本领域有通用解释，包括但不限于电学意义上的直接连接或间接连接，下文中与此类似，不再赘述。
所述N个输出单元中的任一输出单元，用于对所述切换电路选择输入的一路放大信号进行增益控制处理获得一路增益控制信号。
所述N个输出单元对应连接N个接收通道电路；所述N个接收通道电路中的任一接收通道电路，用于接收对应的输出单元发送的包括所述任一接收通道电路的目标载波的一路增益控制信号，对包括目标载波的一路增益控制信号进行处理获得所述目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
下面分别在载波聚合的三种应用场景下，对应用上述接收装置进行载波聚合信号的接收解调的过程进行阐述：
假设接收到的载波聚合信号中有接收装置支持接收的M个频段中的1个频段的频段信号，频段分离器从天线接收多载波的载波聚合信号，并对所述载波聚合信号进行频段分离，获得该1个频段的频段信号。
在频段内连续载波聚合的应用场景下，若干个载波聚合在一个频段中；频段分离器根据频段信号的频率选择输入M个输入单元中的一个输入单元进行放大后输出一路放大信号，然后通过切换电路21将所述1放大信号送入N个输出单元中的任一个输出单元中，任一个输出单元对所述切换电路 21选择输入的一路放大信号进行增益控制处理获得一路增益控制信号；与所述任一个输出单元对应连接的所述N个接收通道电路中的任一接收通道电路会对该增益控制信号(该增益控制信号中包括目标载波)进行处理获得所述目标载波对应的基带信号，所述目标载波为所述K个信道信号中的载波。上述接收装置中的N个输出单元中的任一路输出单元都可以接收该放大信号；具体由切换电路来选择接收。
在频段内非连续载波聚合的应用场景下，频段信号中的非连续载波有K(K大于等于2)个，频段分离器根据1个频段信号的频率选择输入M个输入单元中的1个输入单元进行放大后输出K路放大信号，然后通过切换电路21将所述K路放大信号送入N输出单元中的K个输出单元中，该K个输出单元中的任一个输出单元对所述切换电路21选择输入的一路放大信号进行增益控制处理获得一路增益控制信号；与所述任一个输出单元对应连接的所述N个接收通道电路中的任一接收通道电路会对该增益控制信号(该增益控制信号中包括目标载波)进行处理获得所述目标载波对应的基带信号，所述目标载波为所述K个信道信号中的载波。每一路接收通道电路针对增益控制信号的K个目标载波中的相应的一个目标载波进行处理，获得一个目标载波对应的基带信号，K个接收通道电路就相应获得K个目标载波对应的基带信号。
在频段间非连续载波聚合的应用场景下，接收到的载波聚合信号中有大于等于2个频段的频段信号，频段分离器从天线接收多载波的载波聚合信号，并对所述载波聚合信号进行频段分离，假设获得K个频段的频段信号，每个频段信号中的非连续载波有一个。频段分离器根据K个频段信号的频率选择输入M个输入单元中的K个输入单元进行放大后输出K路放大信号，然后通过切换电路21将所述K路放大信号送入N输出单元中的K个输出单元中，该K个输出单元中的任一个输出单元对所述切换电路21选 择输入的一路放大信号进行增益控制处理获得一路增益控制信号；与所述任一个输出单元对应连接的所述N个接收通道电路中的任一接收通道电路会对该增益控制信号(该增益控制信号中包括目标载波)进行处理获得所述目标载波对应的基带信号，所述目标载波为所述K个信道信号中的载波。
有以上在载波聚合的三种应用场景下，接收装置进行载波聚合信号的接收解调的过程可以看出，本实施例接收装置中，输入单元的数目与接收装置支持接收的频段个数相同，输出单元的个数与接收的频段信号中聚合的信道信号个数相同。
可选的，如图3或图4所示，本实施例的接收装置中，所述任一接收通道电路包括：混频器(图中未标识，具体包括图3中所示的I路混频器和Q路混频器)、频率综合器2211、带宽可调跨阻放大器2212；其中，
所述频率综合器2211，用于生成本地振荡信号；
所述混频器，用于接收所述输出单元输出的增益控制信号以及所述频率综合器2211生成的本地振荡信号，并利用所述本地振荡信号对所述差分信号进行混频，生成混频信号，输入给所述带宽可调跨阻放大器2212；
所述带宽可调跨阻放大器2212，用于将所述混频器输出的所述混频信号生成与所述目标载波对应的基带信号。
可选的，如图3或图4所示，所述输出单元231中包括增益控制器2311和巴伦2312；所述增益控制器2311，用于对所述包括目标载波的一路放大信号进行处理，获得处理信号，并将所述处理信号输入至所述巴伦2312；所述巴伦2312，用于将所述增益控制器2311输入的处理信号转化为差分信号，并将所述差分信号输入至所述混频器。获得的差分信号即为文中所述的增益控制信号。可选的，所述输出单元231也可以只包括增益控制器2311。
所述接收装置还包括：基带处理器(图中未显示)，其中，所述基带处理器，用于对所述任一接收通道电路生成的基带信号进行基带处理。
如图3所示为一种两载波聚合信号的接收装置的结构示意图，该接收装置中的切换电路21由3个开关：开关1、开关2、开关3组成；其中，开关1的一端分别耦合至输出单元231的输入端以及输入单元201的输出端；另一端分别耦合至输入单元202的输出端以及开关2的一端；开关2的另一端耦合至输入单元203的输出端以及输出单元232的输入端；开关3的一端分别耦合至输出单元231的输入端以及输入单元201的输出端，另一端分别耦合至输出单元232的输入端以及输入单元203的输出端。下面对两载波聚合接收解调的三种场景分别进行阐述：
在频段内连续载波聚合的应用场景下，接收到的载波聚合信号中有接收装置支持接收3个频段中的一个频段的频段信号1，该频段信号1中有两连续载波聚合。根据该频段信号1的频率选择从3个输入单元中的输入单元201进行放大后输出一路放大信号，切换电路21将3个开关都打开将这一路放大信号送入输出单元231；或者，切换电路21将开关3闭合将这一路放大信号送入接输出单元232；输出单元231或输出单元232都可以对输入的一路放大信号进行增益控制处理获得一路增益控制信号；连接输出单元231的接收通道电路221或者连接输出单元232的接收通道电路222(接收通道电路222中器件与接收通道电路221中的器件完全相同，有部分未标识出的可参考接收通道电路221中的标识)都可以进行以下处理：输出单元输出一路增益控制信号至混频器；所述混频器，用于接收所述输出单元输入的差分信号以及所述频率综合器生成的本地振荡信号，并利用所述本地振荡信号对所述差分信号进行混频，生成混频信号，输入给所述带宽可调跨阻放大器；所述带宽可调跨阻放大器，用于将所述混频器输入的所述混频信号生成与所述目标载波对应的基带信号，所述目标载波为所述频段信号中的载波。即信号通路可以是201—231—221，也可以是201—232—222，可以由切换电路21自主选择。
在频段内非连续载波聚合的应用场景下，接收到的载波聚合信号中有接收装置支持接收3个频段中的一个频段的频段信号2，该频段信号2中有两非连续载波聚合，两非连续载波为目标载波A和目标载波B。根据该频段信号2的频率选择从3个输入单元中的输入单元202进行放大后输出两路放大信号，然后通过切换电路21中开关1和开关2的闭合将这两路放大信号分别送入输出单元231和输出单元232；输出单元231和输出单元232分别对输入的一路放大信号进行增益控制处理获得一路增益控制信号；连接输出单元231的接收通道电路221和连接输出单元232的接收通道电路222中，接收通道电路221中的频率综合器产生目标载波A对应的本地振荡信号，最终生成与所述目标载波A对应的基带信号；接收通道电路222中的频率综合器产生目标载波B对应的本地振荡信号，最终生成与所述目标载波B对应的基带信号。
在频段间非连续载波聚合的应用场景下，接收到的载波聚合信号中有接收装置支持接收3个频段中的两个频段的频段信号(频段信号2和频段信号3)，频段信号2中有目标载波A，频段信号3中有目标载波B。根据频段信号的频率将频段信号2选择输入进输入单元202进行放大后输出一路放大信号1，将频段信号3选择输入进输入单元203进行放大后输出一路放大信号2，然后通过切换电路21中开关1闭合将这放大信号1输入输出单元231；将放大信号2输入输出单元232中，输出单元231和输出单元232分别对输入的一路放大信号进行增益控制处理获得一路增益控制信号；输出单元231将获得的一路增益控制信号输入到与其对应连接的接收通道电路221中，接收通道电路221中的频率综合器产生目标载波A对应的本地振荡信号，最终生成与所述目标载波A对应的基带信号；输出单元232将获得的一路增益控制信号输入到与其对应连接的接收通道电路222中，接收通道电路222中的频率综合器产生目标载波B对应的本地振荡信号， 最终生成与所述目标载波B对应的基带信号。
如图4所示为一种三载波聚合信号的接收装置的结构示意图，该接收装置中的切换电路21由3个开关：开关1、开关2、开关3组成；其中，开关1的一端分别耦合至输出单元231的输入端以及输入单元201的输出端；另一端分别耦合至输入单元202的输出端、输出单元232的输入端以及开关2的一端；开关2的另一端耦合至输入单元203的输出端以及输出单元233的输入端；开关3的一端分别耦合至输出单元231的输入端以及输入单元201的输出端，另一端分别耦合至输出单元232的输入端以及输入单元203的输出端的一端。下面对三载波聚合接收解调的三种场景分别进行阐述：
在频段内连续载波聚合的应用场景下，接收到的载波聚合信号中有接收装置支持接收3个频段中的一个频段的频段信号3，该频段信号3中有三连续载波聚合。根据该频段信号3的频率选择从3个输入单元中的输入单元203进行放大后输出一路放大信号，切换电路21将3个开关都打开将这一路放大信号送入输出单元233；或者，切换电路21将开关2闭合将这一路放大信号送入输出单元232；切换电路21将开关3闭合将这一路放大信号送入输出单元231；在此并不做限制。所述放大信号中包含有目标载波，输出单元231、输出单元232或者输出单元233都可以对输入的一路放大信号进行增益控制处理获得一路增益控制信号；与输出单元231、输出单元232或者输出单元233相应连接的接收通道电路221、接收通道电路222或者接收通道电路223都可以对输出单元输出一路增益控制信号进行以下处理：输出单元输出一路增益控制信号至混频器；所述混频器，用于接收所述输出单元输入的差分信号以及所述频率综合器生成的本地振荡信号，并利用所述本地振荡信号对所述差分信号进行混频，生成混频信号，输入给所述带宽可调跨阻放大器；所述带宽可调跨阻放大器，用于将所述混频器 输入的所述混频信号生成与所述目标载波对应的基带信号，所述目标载波为所述频段信号3中的载波。
在频段内非连续载波聚合的应用场景下，接收到的载波聚合信号中有接收装置支持接收3个频段中的一个频段的频段信号2，该频段信号2中有三非连续载波聚合，三非连续载波为目标载波A、目标载波B、目标载波C。根据该频段信号2的频率选择从3个输入单元中的输入单元202进行放大后输出三路放大信号，然后通过切换电路21中开关1和开关2的闭合将这三路放大信号分别送入输出单元231、输出单元232和输出单元233中，输出单元231、输出单元232和输出单元233分别对输入的一路放大信号进行增益控制处理获得一路增益控制信号；输出单元231将获得的一路增益控制信号输入到与其对应连接的接收通道电路221中，接收通道电路221中的频率综合器产生目标载波A对应的本地振荡信号，最终生成与所述目标载波A对应的基带信号；输出单元232将获得的一路增益控制信号输入到与其对应连接的接收通道电路222中，接收通道电路222中的频率综合器产生目标载波B对应的本地振荡信号，最终生成与所述目标载波B对应的基带信号；输出单元233将获得的一路增益控制信号输入到与其对应连接的接收通道电路223中，接收通道电路223中的频率综合器产生目标载波C对应的本地振荡信号，最终生成与所述目标载波C对应的基带信号。
在频段间非连续载波聚合的应用场景下，接收到的载波聚合信号中有接收装置支持接收3个频段中的三个频段的频段信号(频段信号1、频段信号2、频段信号3)，频段信号1中有目标载波A，频段信号2中有目标载波B，频段信号3中有目标载波C。根据频段信号的频率将频段信号1选择输入进输入单元201进行放大后输出一路放大信号1，将频段信号2选择输入进输入单元202进行放大后输出一路放大信号2，将频段信号3选择输入进输入单元203进行放大后输出一路放大信号3；然后通过切换电路21中 3个开关都打开将这放大信号1输入输出单元231，将放大信号2输入输出单元232中，将放大信号3输入输出单元233中；输出单元231、输出单元232和输出单元233分别对输入的一路放大信号进行增益控制处理获得一路增益控制信号；输出单元231将获得的一路增益控制信号输入到与其对应连接的接收通道电路221中，接收通道电路221中的频率综合器产生目标载波A对应的本地振荡信号，最终生成与所述目标载波A对应的基带信号；输出单元232将获得的一路增益控制信号输入到与其对应连接的接收通道电路222中，接收通道电路222中的频率综合器产生目标载波B对应的本地振荡信号，最终生成与所述目标载波B对应的基带信号；输出单元233将获得的一路增益控制信号输入到与其对应连接的接收通道电路223中，接收通道电路223中的频率综合器产生目标载波C对应的本地振荡信号，最终生成与所述目标载波C对应的基带信号。
本实施例提供的接收装置，将现有的低噪声放大器分成输入单元和输出单元，并在输入单元和输出单元之间设置切换电路，低噪声放大器的输出单元与混频器等器件组成后续的接收通道电路一一对应连接。接收装置给支持接收的每一频段配置有一个独立的输入单元，而低噪声放大器的输出单元则对应与接收的载波聚合信号中的聚合载波个数进行设置，不需要对应于每一支持的频段来进行设置。这样该接收装置完全可以接收现有的三种载波聚合场景下的载波聚合信号。本实施例的接收装置中可以多个频段复用这些后续的输出单元和接收通道电路，进而减少芯片的面积，降低芯片的成本。这样对于日益增多的LTE-A所需支持的频段，在增加接收装置支持的频段数目时，只需要增设相应数目的输入单元，而不必增加后续的输出单元和接收通道电路中的器件，减少芯片的面积，降低芯片的成本。
实施例2
本发明实施例提供了一种载波聚合信号的接收方法，如图5所示，本 实施例方法的处理流程包括以下步骤：
步骤501、分别对接收到的频段信号中的K个信道信号进行放大处理，输出K路放大信号。
其中，每个频段信号包括至少一个载波，所述K为大于等于1的整数。
本实施接收方法可以参考图2-图4所示的接收装置进行描述。
在步骤501之前，接收装置可以先接收多载波的载波聚合信号，并对所述载波聚合信号进行频段分离，获得频段信号。
之后，接收装置中的M个输入单元可以分别对接收到的频段信号中的信道信号进行放大处理，输出放大信号。
步骤502、从所述K路放大信号中选择接收一路放大信号，对接收的所述放大信号进行增益控制处理获得增益控制信号。
接收装置可以通过切换电路选择K个输出单元来处理所述放大信号，接收装置针对所述放大信号中的任一路放大信号，可以选择输出单元接收所述任一路放大信号，接收装置中的被选择的输出单元可以对接收的所述任一路放大信号进行增益控制处理获得一路增益控制信号。
步骤503、对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号。
所述目标载波为所述K个信道信号中的一个载波。考图2-图4所示，接收装置中的接收通道电路可以对所述一路增益控制信号进行处理获得所述一路增益控制信号中的目标载波对应的基带信号。
所述对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，包括：
生成本地振荡信号；利用所述本地振荡信号对所述增益控制信号进行混频，生成混频信号；将所述混频信号生成与所述任一路增益控制信号中的目标载波对应的基带信号。
其中，所述对接收的所述任一路放大信号进行增益控制处理获得一路增益控制信号，包括：对接收的所述任一路放大信号进行增益处理，获得增益控制信号；将所述增益控制信号转化为差分信号，该差分信号即为增益控制信号。
在所述获得所述一路增益控制信号中的目标载波对应的基带信号之后，所述方法还包括：对获得的所述基带信号进行基带处理。
本领域内的技术人员应明白，本发明的实施例可提供为方法、系统、或计算机程序产品。因此，本发明可采用硬件实施例、软件实施例、或结合软件和硬件方面的实施例的形式。而且，本发明可采用在一个或多个其中包含有计算机可用程序代码的计算机可用存储介质(包括但不限于磁盘存储器和光学存储器等)上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、设备(系统)、和计算机程序产品的流程图和/或方框图来描述的。应理解可由计算机程序指令实现流程图和/或方框图中的每一流程和/或方框、以及流程图和/或方框图中的流程和/或方框的结合。可提供这些计算机程序指令到通用计算机、专用计算机、嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器，使得通过计算机或其他可编程数据处理设备的处理器执行的指令产生用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的装置。
本发明实施例还提供了一种计算机存储介质，该存储介质包括一组指令，当执行所述指令时，引起至少一个处理器执行包括以下的操作：
分别对接收到的频带信号中的K个信道信号进行放大处理，输出K路放大信号；其中，每个频段信号包括至少一个信道信号，所述K为大于等于1的整数；从所述K路放大信号中选择接收一路放大信号，对接收的所述放大信号进行增益控制处理获得增益控制信号；对所述增益控制信号进 行处理获得所述增益控制信号中的目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理设备以特定方式工作的计算机可读存储器中，使得存储在该计算机可读存储器中的指令产生包括指令装置的制造品，该指令装置实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备上，使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机实现的处理，从而在计算机或其他可编程设备上执行的指令提供用于实现在流程图一个流程或多个流程和/或方框图一个方框或多个方框中指定的功能的步骤。
以上所述，仅为本发明的较佳实施例而已，并非用于限定本发明的保护范围。

Claims (9)

  1. 一种载波聚合信号的接收装置，所述装置包括：输入放大器，所述输入放大器包括M个输入单元和N个输出单元；切换电路，所述切换电路耦合于所述M个输入单元与所述N个输出单元之间；所述N个输出单元对应连接N个接收通道电路；
    所述M个输入单元，配置为分别对接收到的频段信号中的K个信道信号进行放大处理，输出K路放大信号；其中，输入放大器的一个输入单元用于对一个频段的频段信号进行放大处理，每个频段信号上包括至少一个信道信号，所述M为所述接收装置支持接收的频段个数，K为大于等于1小于等于N的整数；
    所述切换电路，配置为将所述M个输入单元输出的K路放大信号选择输入N个输出单元中的K个输出单元中，所述N为大于等于2的整数；
    所述N个输出单元中的任一输出单元，配置为对所述切换电路选择输入的放大信号进行增益控制处理获得一路增益控制信号；
    所述N个接收通道电路中的任一接收通道电路，配置为接收对应的输出单元发送的包括所述任一接收通道电路的目标载波的一路增益控制信号，对包括目标载波的一路增益控制信号进行处理获得所述目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
  2. 根据权利要求1所述的装置，其中，所述任一接收通道电路包括：混频器、频率综合器、带宽可调跨阻放大器；其中，
    所述频率综合器，配置为生成本地振荡信号；
    所述混频器，配置为接收所述输出单元输出的增益控制信号以及所述频率综合器生成的本地振荡信号，并利用所述本地振荡信号对所述增益控制信号进行混频，生成混频信号，输出给所述带宽可调跨阻放大器；
    所述带宽可调跨阻放大器，配置为将所述混频器输出的所述混频信号生成与所述增益控制信号中的目标载波对应的基带信号。
  3. 根据权利要求1或2所述的接收装置，其中，所述接收装置还包括频段分离器；其中，
    所述频段分离器，配置为从天线接收多载波的载波聚合信号，并对所述载波聚合信号进行频段分离，获得频段信号，并将频段信号分别输入至相应的输入单元。
  4. 根据权利要求3所述的接收装置，其中，所述接收装置还包括：基带处理器，其中，所述基带处理器，配置为对所述任一接收通道电路生成的基带信号进行基带处理。
  5. 一种载波聚合信号的接收方法，所述方法包括：
    分别对接收到的频带信号中的K个信道信号进行放大处理，输出K路放大信号；其中，每个频段信号包括至少一个信道信号，所述K为大于等于1的整数；
    从所述K路放大信号中选择接收一路放大信号，对接收的所述放大信号进行增益控制处理获得增益控制信号；
    对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
  6. 根据权利要求5所述的接收方法，其中，所述对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，包括：
    生成本地振荡信号；
    利用所述本地振荡信号对所述增益控制信号进行混频，生成混频信号；
    将所述混频信号生成与所述增益控制信号中的目标载波对应的基带信号。
  7. 根据权利要求5或6所述的接收方法，其中，在所述分别对接收到 的频带信号中的K个信道信号进行放大处理之前，所述方法还包括：
    接收载波聚合信号，并对所述载波聚合信号进行频段分离，获得频段信号。
  8. 根据权利要求7所述的接收方法，其中，在所述获得所述一路增益控制信号中的目标载波对应的基带信号之后，所述方法还包括：
    对获得的所述基带信号进行基带处理。
  9. 一种计算机存储介质，该存储介质包括一组指令，当执行所述指令时，引起至少一个处理器执行包括以下的操作：
    分别对接收到的频带信号中的K个信道信号进行放大处理，输出K路放大信号；其中，每个频段信号包括至少一个信道信号，所述K为大于等于1的整数；从所述K路放大信号中选择接收一路放大信号，对接收的所述放大信号进行增益控制处理获得增益控制信号；对所述增益控制信号进行处理获得所述增益控制信号中的目标载波对应的基带信号，所述目标载波为所述K个信道信号中的一个载波。
PCT/CN2016/079623 2015-08-10 2016-04-19 一种载波聚合信号的接收方法、装置及计算机存储介质 Ceased WO2017024809A1 (zh)

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