WO2018076326A1 - Procédé et appareil de communication pour agrégation de porteuses de liaison montante - Google Patents

Procédé et appareil de communication pour agrégation de porteuses de liaison montante Download PDF

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Publication number
WO2018076326A1
WO2018076326A1 PCT/CN2016/103955 CN2016103955W WO2018076326A1 WO 2018076326 A1 WO2018076326 A1 WO 2018076326A1 CN 2016103955 W CN2016103955 W CN 2016103955W WO 2018076326 A1 WO2018076326 A1 WO 2018076326A1
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WIPO (PCT)
Prior art keywords
uci
uplink
configuration information
uplink carrier
subframe
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PCT/CN2016/103955
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English (en)
Chinese (zh)
Inventor
韩小江
江松
张敏
曹念伟
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201680089934.4A priority Critical patent/CN109804684A/zh
Priority to PCT/CN2016/103955 priority patent/WO2018076326A1/fr
Publication of WO2018076326A1 publication Critical patent/WO2018076326A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/04—Wireless resource allocation

Definitions

  • the present invention relates to the field of communications and, more particularly, to a communication method and apparatus for uplink carrier aggregation.
  • CA technology carrier aggregation (CA) technology has been introduced in mobile communication in order to improve spectrum utilization.
  • CA technology aggregates multiple consecutive or non-contiguous carriers to achieve greater system bandwidth, which in turn increases peak data rates and system throughput, while also addressing carrier spectrum discontinuities.
  • the CA technology can support the aggregation of multiple component carriers (CCs) in both the downlink and the uplink, and includes one primary component carrier (PCC) in the aggregated multiple CCs, and the other CCs are auxiliary members.
  • PCC primary component carrier
  • SCC secondary component carrier
  • the uplink CC and the downlink CC may be the same or different.
  • the embodiments of the present invention provide a communication method and apparatus for uplink CA, in order to improve the problem of low transmission efficiency in an uplink CA scenario.
  • the present application provides a communication method for an uplink CA, where the method is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, and the first uplink carrier uses frequency division duplexing.
  • the second uplink carrier adopts a time division duplex TDD mode, and the method includes:
  • the base station where the second uplink carrier is located determines the configuration information of the uplink control information UCI, and the configuration information includes resource configuration information, where the resource configuration information is used to indicate the resource for transmitting the UCI, and the resource is located in the downlink subframe in the time division multiplexing TDD mode and/or Special subframe;
  • the base station sends configuration information to the terminal.
  • the communication system may include multiple uplink carriers, for the first uplink carrier and the second uplink carrier of the multiple uplink carriers: the first uplink carrier may be the primary component carrier PCC, and the second uplink carrier may be Secondary member carrier SCC.
  • the resource configuration information indicates a resource for transmitting UCI, and the resource is located in a downlink subframe and/or a special subframe in the TDD mode.
  • the UCI can only be transmitted on the uplink subframe. Therefore, the UCI is reported through the PUSCH or PUCCH of the PCC, which reduces the uncertainty of the channel that feeds back the UCI, thereby reducing the processing complexity and improving the transmission efficiency.
  • the resource configuration information indicates a resource for transmitting UCI, and the resource is located in a downlink subframe and/or a special subframe in the TDD mode.
  • the UCI can only be transmitted on the uplink subframe. Therefore, the UCI is reported by the PUSCH of the SCC, which reduces the uncertainty of the channel that feeds back the UCI, thereby reducing the processing complexity and improving the transmission efficiency.
  • the embodiment of the present invention can be applied to reduce the UCI in both the PCC and the SCC by configuring the UCI resource to be used in the form of a subframe not used for UCI transmission. Uncertainty that may be reported.
  • the configuration information may further include periodic configuration information, where the periodic configuration information is used to indicate a reporting period of the UCI, where the subframes of the special subframe and the downlink subframe in the reporting period of the UCI The total number is not less than the number of subframes required to transmit UCI, and the UCI includes channel state information CSI.
  • the base station indicates the reporting period of the UCI through the configuration information, so as to satisfy the number of subframes required for UCI transmission of the aggregated downlink carrier.
  • the method may further include:
  • the base station When it is determined that the total number of subframes is smaller than the number of subframes required for UCI transmission of the aggregated downlink carrier, the base station increases the reporting period of the UCI.
  • each downlink carrier needs to feed back the UCI, it occupies one subframe.
  • the reporting period of the UCI is too short, the number of subframes that feed back the UCI in the reporting period does not satisfy the subframe required by the downlink carrier, then The base station may adopt a method of lengthening the reporting period of the UCI to increase the number of subframes in the reporting period of the UCI, thereby satisfying the number of subframes required for UCI transmission of the downlink carrier.
  • the present application provides a communication method for an uplink CA, where the method is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, first The uplink carrier adopts a frequency division duplex FDD mode, and the second uplink carrier adopts a time division duplex TDD mode, and the method includes:
  • the terminal receives the configuration information of the uplink control information UCI from the base station where the second uplink carrier is located, where the configuration information includes resource configuration information, where the resource configuration information is used to indicate the resource for transmitting the UCI, and the resource is located in the downlink subframe and/or the special sub-mode in the TDD mode. frame;
  • the terminal determines, according to the configuration information, that the resource for transmitting the UCI on the second uplink carrier is located in the downlink subframe and/or the special subframe in the TDD mode, and further determines that the UCI is transmitted on the first uplink carrier.
  • the communication system may include multiple uplink carriers, for the first uplink carrier and the second uplink carrier of the multiple uplink carriers: the first uplink carrier may be the primary component carrier PCC, and the second uplink carrier may be Secondary member carrier SCC.
  • the configuration information may further include periodic configuration information, where the periodic configuration information is used to indicate a reporting period of the UCI, where the total number of subframes of the special subframe and the downlink subframe in the reporting period of the UCI is Not less than the number of subframes required to transmit the UCI, and the UCI includes channel state information CSI, and the method further includes:
  • the terminal transmits the UCI on the first uplink carrier according to the periodic configuration information.
  • the present application provides a communication method for an uplink CA, which is applied to a communication system supporting an uplink CA, where the communication system includes an uplink primary component carrier PCC and an uplink secondary component carrier SCC, and the method includes:
  • the base station where the uplink SCC is located acquires the timing of reporting the uplink control information UCI by the terminal;
  • the base station performs physical uplink shared channel PUSCH scheduling on the uplink SCC according to the reporting occasion, where the subframe used for PUSCH scheduling does not include the subframe corresponding to the reporting occasion.
  • the step of “the base station performs physical uplink shared channel PUSCH scheduling on the uplink SCC according to the reporting occasion” may be replaced by “the base station does not schedule the PUSCH in the subframe corresponding to the terminal reporting timing of the UCI”.
  • the present application provides a communication method for an uplink CA, where the method is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, and the method includes:
  • the base station where the first uplink carrier is located acquires a timing of transmitting the sounding reference signal SRS on the second uplink carrier;
  • the base station performs physical uplink shared channel PUSCH scheduling on the first uplink carrier according to the transmission timing, where the subframe used for PUSCH scheduling does not include the subframe corresponding to the transmission timing.
  • the step “the base station performs physical uplink shared channel PUSCH scheduling on the first uplink carrier according to the sending occasion” may be replaced by “the base station does not schedule the PUSCH in the subframe corresponding to the sending occasion”.
  • the first uplink carrier adopts a frequency division duplex FDD mode
  • the second uplink carrier adopts a time division duplex TDD mode.
  • the present application provides a communication method for an uplink CA, where the method is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, and the method includes:
  • the first base station where the first uplink carrier is located schedules the first physical uplink channel
  • the first base station demodulates the first physical uplink channel to obtain the first feedback information according to the manner that the uplink control information UCI is carried on the first physical uplink channel;
  • the first base station acquires the second feedback information from the second base station where the second uplink carrier is located, where the second feedback information is that the second base station demodulates the second physical uplink channel by carrying the UCI on the second physical uplink channel scheduled by the second base station. acquired;
  • the first base station acquires a channel scheduling situation of the second base station from the second base station, and determines validity of the first feedback information and the second feedback information according to the channel scheduling situation.
  • the first uplink carrier is a primary component carrier PCC
  • the second uplink carrier is a secondary component carrier SCC
  • the first base station determines that the first feedback information is valid, and the second feedback information is invalid.
  • the first base station determines that the first feedback information is invalid, and the second feedback information is valid.
  • the first uplink carrier is a secondary component carrier SCC
  • the second uplink carrier is a primary component carrier PCC
  • the first base station determines that the first feedback information is invalid, and the second feedback information is valid;
  • the first base station determines that the first feedback information is valid, and the second feedback information is invalid.
  • the application provides a communication device for a CA, including:
  • the application provides a communication device for a CA, including:
  • the application provides a communication device for a CA, including:
  • the scheduling module corresponding to the physical uplink shared channel PUSCH scheduling is performed on the uplink SCC according to the reporting occasion, where the subframe used for the PUSCH scheduling does not include the subframe corresponding to the reporting occasion.
  • the application provides a communication device for a CA, including:
  • the scheduling module corresponding to the physical uplink shared channel PUSCH scheduling is performed on the first uplink carrier according to the sending occasion, where the subframe used for the PUSCH scheduling does not include the subframe corresponding to the sending timing.
  • the application provides a communication device for a CA, including:
  • the application provides a communication device for a CA, comprising a processor for storing a program, the processor calling a program stored in the memory to perform the method provided in the first aspect of the application; or Performing the method provided in the third aspect of the present application; or performing the method provided in the fourth aspect of the present application; or the method provided in the fifth aspect of the present application.
  • the present application provides a communication apparatus for a CA, including a processor for storing a program, and a processor calling a program stored in the memory to perform the method provided in the second aspect of the present application.
  • the present application provides a computer program or computer program product, comprising: instructions for performing the method of the first aspect or any possible implementation of the first aspect; the computer program comprising The third aspect or any possible implementation of the third aspect The instructions of the method of the formula; or the computer program comprises instructions for performing the method of any of the fourth or fourth aspects of the possible implementation; or the computer program comprises for performing the fifth aspect or the fifth An instruction of a method in any of the possible implementations of the aspect.
  • the application provides a computer program or computer program product comprising instructions for performing the method of any of the second aspect or any of the possible implementations of the second aspect.
  • the base station working in the TDD mode can configure the resource for transmitting the UCI in the special subframe and/or the downlink subframe, so that the UCI can only be performed by using the uplink carrier operating in the FDD mode. Reported. In this way, the uncertainty of the channel for feeding back UCI is reduced, which is advantageous for UCI demodulation, improves transmission efficiency, and reduces processing complexity.
  • the number of subframes required for UCI transmission of the downlink carrier can be satisfied.
  • the terminal may determine, according to the configuration information, a downlink subframe and/or a special subframe in which the resource for transmitting the UCI is located in the TDD mode, that is, a downlink subframe located in the second uplink carrier, and/or Special subframe.
  • the downlink subframe and/or the special subframe are not used for the transmission of the UCI, that is, the UCI can only be transmitted through the uplink subframe, so the terminal can determine to transmit the UCI on the first uplink carrier.
  • the base station when the reporting timing of the UCI collides with the uplink subframe of the uplink SCC, the base station evades the scheduling on the uplink subframe of the uplink SCC, that is, does not perform PUSCH scheduling, so the UCI passes the uplink.
  • the PCC reports to the base station, which reduces the uncertainty of the channel that feeds back the UCI, facilitates the demodulation of the UCI, improves the transmission efficiency, and reduces the processing complexity.
  • the base station of the FDD evades the scheduling on the subframe corresponding to the SRS transmission time, that is, does not perform PUSCH scheduling.
  • the terminal finds that there is no PUSCH to be transmitted at the transmission time of the SRS, so the SRS can be normally transmitted, which is beneficial to the beamforming of the TDD and improves the transmission efficiency.
  • the first base station may demodulate the first physical uplink channel by using the uplink control information UCI on the first physical uplink channel to obtain the first feedback information, and obtain the second feedback information.
  • the validity of the first feedback information and the second feedback information may be determined according to a channel scheduling situation of the second base station. In this way, whether the demodulated UCI is correct can be determined according to the scheduling situation of the channels on other uplink carriers.
  • the embodiment of the present invention can determine an effective feedback finger in a case where the time delay is compact. Display information and does not affect the processing power and specifications of the product.
  • FIG. 1 is a schematic diagram of a communication system in accordance with an embodiment of the present invention.
  • FIG. 2 is a schematic diagram of a scenario in which an embodiment of the present invention is applied.
  • FIG. 3 is a schematic interaction flowchart of a communication method for uplink carrier aggregation according to an embodiment of the present invention.
  • FIG. 4 is a schematic diagram of a scenario in which an embodiment of the present invention is applied.
  • FIG. 5 is a schematic flowchart of a communication method for uplink carrier aggregation according to another embodiment of the present invention.
  • Figure 6 is a schematic diagram of an example of application of an embodiment of the present invention.
  • Figure 7 is a schematic illustration of another example of application of an embodiment of the present invention.
  • FIG. 8 is a schematic flowchart of a communication method for uplink carrier aggregation according to still another embodiment of the present invention.
  • FIG. 9 is a schematic flowchart of a communication method for uplink carrier aggregation according to another embodiment of the present invention.
  • FIG. 10 is a schematic block diagram of a communication apparatus for uplink carrier aggregation according to an embodiment of the present invention.
  • FIG. 11 is a schematic block diagram of a communication apparatus for uplink carrier aggregation according to another embodiment of the present invention.
  • FIG. 12 is a schematic block diagram of a communication apparatus for uplink carrier aggregation according to still another embodiment of the present invention.
  • FIG. 13 is a schematic block diagram of a communication apparatus for uplink carrier aggregation according to another embodiment of the present invention.
  • FIG. 14 is a schematic block diagram of a communication apparatus for uplink carrier aggregation according to still another embodiment of the present invention.
  • FIG. 15 is a schematic structural diagram of a base station according to another embodiment of the present invention.
  • FIG. 16 is a schematic structural diagram of a terminal according to still another embodiment of the present invention.
  • GSM Global System of Mobile communication
  • W-CDMA Wideband Code Division Multiple Access
  • TD-SCDMA Time Division-Synchronous Code Division Multiple Access
  • CDMA Code Division Multiple Access
  • LTE Long Term Evolution
  • UMTS Universal Mobile Telecommunications System
  • WiMax Worldwide Interoperability for Microwave Access
  • a terminal also called a User Equipment (UE) is a device that provides voice and/or data connectivity to a user, for example, a handheld device with a wireless connection function, an in-vehicle device, and the like.
  • UE User Equipment
  • Common terminals include, for example, mobile phones, tablets, notebook computers, PDAs, mobile internet devices (MIDs), wearable devices such as smart watches, smart bracelets, pedometers, and the like.
  • MIDs mobile internet devices
  • wearable devices such as smart watches, smart bracelets, pedometers, and the like.
  • a Radio Access Network (RAN) device is a device that accesses a terminal to a wireless network, and is also referred to as a base station, including but not limited to: an evolved Node B (eNB). , radio network controller (RNC), Node B (Node B, NB), Base Station Controller (BSC), Base Transceiver Station (BTS), home base station (for example, Home Evolved NodeB, or Home Node B, HNB), BaseBand Unit (BBU).
  • RNC radio network controller
  • Node B Node B
  • BSC Base Station Controller
  • BTS Base Transceiver Station
  • home base station for example, Home Evolved NodeB, or Home Node B, HNB
  • BBU BaseBand Unit
  • AP Wifi Access Point
  • Multiple means two or more. "and / or”, describes the association relationship of the associated object, indicating that there can be three relationships, for example, A and / or B, can mean: A exists separately, while saving In A and B, there are three cases of B alone.
  • the character "/" generally indicates that the contextual object is an "or" relationship.
  • FIG. 1 is a schematic diagram of a communication system in accordance with an embodiment of the present invention.
  • the communication system includes a base station 110.
  • the terminal 120 accesses the wireless network through the base station 110 and accesses an external network (e.g., the Internet) or communicates with other terminals through the wireless network.
  • FIG. 1 shows a scenario in which a base station 110 and a terminal 120 communicate in a CA scenario.
  • the base station 110 configures at least two serving cells for the terminal. Here, two are used as a primary cell (Pcell) and a secondary cell (Scell). ).
  • the carrier of the Pcell is a PCC
  • the carrier of the Scell is an SCC.
  • the Pcell and the Scell are taken as the cells in the same base station, and the Pcell and the Scell may also be the cells in different base stations. In addition, the number of Scells can also be multiple.
  • two CC aggregations are taken as an example for description, that is, an SCC is taken as an example for description.
  • SCC is taken as an example for description.
  • the implementation of other SCCs is similar, and details are not described herein.
  • the terminal When the terminal and the base station communicate, the terminal needs to send control information to the base station for reference by the base station for uplink and downlink data transmission.
  • the control information is Uplink Control Information (UCI).
  • the UCI mainly includes: Scheduling Request (SR); Hybrid Automatic Repeat Request (HARQ) feedback, such as ACK or NACK, that is, HARQ feedback on downlink data sent on the PDSCH; channel state information (
  • CSI may include, for example, one or more of a Channel Quality Indicator (CQI), a Precoding Matrix Indication (PMI), and a Rank Indication (RI).
  • CQI Channel Quality Indicator
  • PMI Precoding Matrix Indication
  • RI Rank Indication
  • the transport channel of the UCI includes a physical uplink control channel (PUCCH) and a physical uplink shared channel (PUSCH).
  • PUCCH physical uplink control channel
  • PUSCH physical uplink shared channel
  • the terminal uses UCI as a The road information is sent to the base station through the PUSCH; when the terminal does not transmit the uplink data, the terminal sends the UCI to the base station through the PUCCH. That is, when the base station schedules the PUSCH, the terminal preferentially uses the PUSCH to transmit the UCI. When there is no PUSCH scheduling, the terminal transmits the UCI using the PUCCH.
  • PUSCH scheduling may be performed on both the PCC and the SCC.
  • the UMC is preferentially transmitted by using the PUSCH of the PCC; when the PCC does not schedule the PUSCH, and the SCC schedules the PUSCH, the UCS is transmitted by using the PUSCH of the SCC; when neither the PCC nor the SCC is scheduling the PUSCH, the UCI is transmitted by using the PUCCH of the PCC.
  • the SCC does not know whether the PUSCH is scheduled on the PCC, so when the SCC demodulates the PUSCH, the PUSCH is not known. Whether UCI is carried or not, the demodulation mode cannot be determined, which is not conducive to demodulation of PUSCH on the SCC.
  • the embodiment of the present invention proposes a scheme to reduce the uncertainty of the channel of the feedback UCI.
  • the PCC works in the FDD mode
  • the SCC works in the TDD mode
  • the UCI reporting resources on the SCC are configured to On the downlink subframe or the special subframe
  • the UCI can only report through the uplink subframe. Therefore, the UCI cannot be reported on the PUSCH of the SCC through the PUSCH of the SCC. Therefore, the UCI can only report through the PUSCH or the PUCCH of the PCC.
  • the SCC does not need to demodulate the PUSCH in the format carrying the UCI, and the PCC knows whether the PUSCH is scheduled, so it can be known whether the PUSCH is demodulated to obtain UCI or the PUCCH is demodulated to obtain UCI.
  • FIG. 3 shows a schematic flow chart of a communication method 300 for an uplink CA according to an embodiment of the present invention.
  • the method 300 can be applied to a communication system supporting an uplink CA, the communication system supporting a TDD mode and an FDD mode, the communication system including a first uplink carrier and a second uplink carrier, where the first uplink carrier and the second uplink carrier are different
  • the duplex mode for example, the first uplink carrier adopts the FDD mode, and the second uplink carrier adopts the TDD mode.
  • the method 300 includes:
  • the base station determines configuration information of the UCI, where the configuration information includes resource configuration information, where the resource configuration information is used to indicate a resource for transmitting the UCI, where the resource is located in a downlink subframe and/or a special subframe in the TDD mode;
  • the base station sends the configuration information to the terminal, and the terminal receives the configuration information.
  • the terminal determines, according to the configuration information, a downlink subframe and/or a special subframe in which the resource for transmitting the UCI is located in the TDD mode, that is, a downlink subframe and/or a special subframe located in the second uplink carrier.
  • the downlink subframe and/or the special subframe are not used for the transmission of the UCI, that is, the UCI can only be transmitted through the uplink subframe, so the terminal can determine to transmit the UCI on the first uplink carrier, that is, perform the following steps:
  • the terminal transmits the UCI on the first uplink carrier.
  • the above base station is a base station where the second uplink carrier is located.
  • the base stations where the first uplink carrier and the second uplink carrier are located may be the same or different.
  • the base station working in the TDD mode can configure the resource for transmitting the UCI in the special subframe and/or the downlink subframe, so that the UCI can only report through the uplink carrier working in the FDD mode.
  • the uncertainty of the channel for feeding back UCI is reduced, which is advantageous for UCI demodulation, improves transmission efficiency, and reduces processing complexity.
  • configuration information in the embodiment of the present invention may be carried in the radio resource control (RRC) signaling, or carried in other signaling, which is not limited.
  • RRC radio resource control
  • the first uplink carrier is a PCC
  • the second uplink carrier is an SCC
  • the transceivers are all completed at different times in the same frequency band, that is, the uplink and downlink are differentiated in time.
  • the LTE system can support 7 different uplink and downlink subframe configurations, and specifically, which can notify the terminal through broadcast messages.
  • the specific configuration is shown in Table 1, where D represents a downlink subframe, U represents an uplink subframe, and S represents a special subframe.
  • the uplink and downlink have independent frequency points for use, and the subframe of each radio frame can be used for uplink transmission or downlink transmission.
  • the subframe configuration of the FDD mode is as shown in Table 2, where D represents a subframe that can be used for downlink transmission, and U represents a subframe that can be used for uplink transmission.
  • FIG. 4 is a schematic diagram of a scenario in which an embodiment of the present invention is applied.
  • the scene in Figure 4 is the scene of FDD + TDD.
  • the PCC is an FDD mode
  • the SCC is a TDD mode as an example. It should be noted that this is only to assist those skilled in the art to better understand the embodiments of the present invention and not to limit the scope of the embodiments of the present invention.
  • the subframe configuration of the TDD adopts the configuration 2 in Table 1 above. As shown in FIG.
  • subframes 0, 3, 4, 5, 8, and 9 are downlink subframes, and subframe 1 and subframe 6 are special subframes, and no UCI can be reported; subframe 2 and sub-frames Frame 7 is an uplink subframe and can report UCI.
  • subframes 0-9 can report UCI.
  • the resource for reporting the UCI may be configured only in advance by using RRC signaling.
  • the downlink subframe and the special subframe (ie, subframes 0, 1, 3, 4, 5, 6, 8, 9) of the TDD are prohibited, and the resources for transmitting the UCI are prohibited from being configured on the subframe 2 and the subframe 7.
  • the terminal when it needs to transmit the UCI, it can only transmit through the subframe of the FDD (corresponding to the PCC), that is, the base station where the SCC is located allocates the subframes for performing PUSCH scheduling on the subframes (ie, subframes 0, 1, 3, 4, 5, 6, 8, 9), avoiding UCI reporting through TDD (corresponding to SCC), thereby reducing the uncertainty that the terminal may report from PCC and SCC, which can reduce the complexity of processing and improve Transmission performance.
  • the UCI when the UCI is reported through the subframe of the FDD, when there is no PUSCH scheduling on the PCC, the PUCCH may be scheduled, so that the terminal transmits the UCI on the PUCCH.
  • the base station configures the UCI to transmit the UCI resources in the downlink subframe and the special subframe in the TDD mode, thereby disguising the UCI to transmit through the PUSCH or PUCCH of the FDD, that is, the UCI can only use the PUSCH or the PUCCH of the PCC.
  • the report reduces the uncertainty that the terminal may report from the PCC and the SCC when reporting the UCI, improves the transmission performance, and reduces the complexity of the processing.
  • uplink and downlink configuration 2 of the TDD mode in the LTE is taken as an example in FIG. 4 , and the embodiment of the present invention is applicable to any uplink and downlink configuration in the TDD mode, which is not limited thereto.
  • FIG. 4 is an example in which the PCC works in the FDD mode and the SCC works in the TDD mode.
  • the embodiment of the present invention can also be applied to the case where the SCC works in the TDD mode and the PCC works in the FDD mode. limited.
  • the resources for transmitting the UCI are configured in the special subframe and the downlink subframe of the TDD mode (PCC).
  • the UCI can only The transmission is performed by a subframe of the FDD mode (corresponding to the SCC), except that the last adopted PUSCH transmission UCI on the SCC. In this way, the uncertainty that the terminal may report from the PCC and the SCC when reporting the UCI is reduced, so that the SCC performs demodulation by using the UCI in the demodulation, thereby improving the transmission efficiency.
  • the embodiment of the present invention can be applied to reduce the UCI in both the PCC and the SCC by configuring the UCI resource to be used in the form of a subframe not used for UCI transmission. Uncertainty that may be reported.
  • UCI includes information such as HARQ feedback information and CSI, which is for downlink channels, such as HARQ feedback, which is feedback on the reception of data transmission on the downlink channel, and CSI is a measurement of downlink channel quality. feedback of. Therefore, in the downlink CA
  • the UCI reported in the above embodiment may include UCI for each aggregated downlink carrier.
  • the CSI reporting period may be further configured, so that the terminal reports the CSI according to the reporting period.
  • the foregoing configuration information may further include period configuration information, where the period configuration information is used to indicate a reporting period of the UCI, where the total number of subframes of the special subframe and the downlink subframe in the reporting period of the UCI is not less than that required for transmitting the UCI.
  • the number of subframes required for transmitting the UCI is related to the number of aggregated downlink carriers. For example, if there are 5 CCs on the downlink of the terminal, and the UCI report of each downlink CC occupies one subframe, a total of 5 subframes are required.
  • the reporting period of the UCI configured by the base station should include at least 5 subframes, and the subframe 1 ms is used as an example, and at least 5 ms is included.
  • the base station can indicate the reporting period of the UCI by using the configuration information, where the UCI reporting period needs to be satisfied that the total number of subframes of the special subframe and the downlink subframe in the reporting period of the UCI is not less than that required for transmitting the UCI.
  • the number of subframes so as to satisfy the number of subframes required for UCI transmission of the aggregated downlink carrier.
  • the method 300 may further include:
  • the reporting period of the UCI is increased.
  • the base station may further compare the total number of subframes of the downlink subframe and the special subframe in the reporting period of the UCI with the number of carriers that need to feed back the UCI in the aggregated downlink carrier, and determine whether to increase according to the comparison result. UCI reporting period. If the total number of downlink subframes and special subframe subframes in the reporting period of the UCI is smaller than the number of downlink carriers that need to feed back the UCI, the base station may increase the reporting period of the UCI as needed. For example, it is still explained in conjunction with the subframe configuration 2 of the TDD in FIG.
  • the UCI reporting period needs to be lengthened to meet the DL 5CC subframe requirement.
  • the base station can extend the reporting period of the UCI from 5 ms to 10 ms.
  • the special subframe and the downlink subframe (subframes 0, 1, 3, 4, 5, 6, 8, 9) allocated within 10 ms
  • the number is 8, so that the UCI feedback needs of the DL 5CC can be met.
  • the reporting period of the UCI can meet the required UCI transmission of the aggregated downlink carrier.
  • the number of frames then the base station can choose not to increase the reporting period of UCI.
  • the base station can also determine whether it is necessary to change the reporting period of the UCI according to the specific situation, which is not limited.
  • the example here is to extend the reporting period of UCI from 5 ms to 10 ms.
  • the reporting period of UCI there is no limitation on the reporting period of UCI, and there is no limit to how much the period of the UCI is to be increased, as long as It is acceptable to meet the requirements and is reasonable, and the present invention does not limit this.
  • the base station configures the reporting resource for the UCI to the subframe in which the TDD is not used to transmit the UCI, so as to reduce the uncertainty of the channel that feeds back the UCI, facilitate the demodulation of the UCI, and improve the transmission efficiency. , reducing the complexity of the process.
  • the problem can be solved by other means.
  • the technical solution for solving the problem by the avoidance mechanism in the embodiment of the present invention will be described in detail below.
  • the present invention further provides a communication method for an uplink CA.
  • FIG. 5 shows a schematic flowchart of a communication method 500 for an uplink CA according to another embodiment of the present invention.
  • the method 500 is applied to a communication system supporting an uplink CA, the communication system including an uplink PCC and an uplink SCC, and the method 500 is performed by a base station in which the uplink SCC is located.
  • the method 500 includes:
  • S520 Perform PUSCH scheduling on the uplink SCC according to the reporting occasion, where the subframe used for the PUSCH scheduling does not include the subframe corresponding to the reporting occasion.
  • the above step S520 may be replaced by the base station not performing PUSCH scheduling on the subframe corresponding to the reporting timing of the UCI by the terminal.
  • the base station when the reporting time of the UCI collides with the uplink subframe of the uplink SCC, the base station evades the scheduling on the uplink subframe of the uplink SCC, that is, does not perform PUSCH scheduling, so that the UCI is reported to the base station by using the uplink PCC.
  • the uncertainty of the channel for feedback UCI is reduced, which is beneficial to UCI demodulation, improves transmission efficiency, and reduces processing complexity.
  • the base station where the PCC is located configures the reporting time of the UCI, and when the SCC is configured, the reporting time of the UCI is notified to the base station where the SCC is located, and the base station where the SCC is located can obtain the reporting time of the UCI.
  • the timing of the reporting refers to the timing when the UCI is reported on the subframe, and the terminal needs to report the UCI in a certain subframe (including the UCI on the downlink carrier CC, any CC needs feedback). That is, the reporting opportunity corresponds to a subframe number.
  • the terminal reports the UCI in the subframe 2 in the TDD mode subframe configuration 2, and the subframe 2 can be understood as the subframe corresponding to the reporting timing.
  • the subframe 2 is configured as the reporting timing of the UCI, and the base station where the SCC is located does not schedule the PUSCH on the subframe 2, so the UCI is reported to the base station through the PCC.
  • the uplink CA among the two uplink carriers that are transmitted simultaneously, one of the two symbols transmitted simultaneously transmits a Sounding Reference Signal (SRS), and the other symbol is a PUSCH, then the SRS Not sent.
  • SRS Sounding Reference Signal
  • the aggregated uplink carrier includes an uplink carrier operating in the FDD mode and an uplink carrier operating in the TDD mode.
  • the FDD subframe x (representing the subframe number) has PUSCH scheduling
  • the SRS on the TDD subframe x cannot be transmitted.
  • the SRS on the TDD subframe 1 (the last symbol in the corresponding subframe 1 in the figure) cannot be scheduled due to the PUSCH scheduling on the FDD subframe 1.
  • the beamforming of TDD depends on the uplink measurement of SRS. Therefore, not transmitting SRS will affect the beamforming, which will affect the downlink communication performance, resulting in low transmission efficiency.
  • an embodiment of the present application proposes a communication method for an uplink CA, which avoids PUSCH scheduling when a TDD subframe corresponds to a transmission timing of an SRS.
  • the terminal can transmit the SRS, thereby completing the beamforming of the TDD and improving the transmission efficiency.
  • FIG. 8 shows a schematic flowchart of a communication method 800 for an uplink CA according to still another embodiment of the present invention.
  • the method 800 is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, the first uplink carrier adopts an FDD mode, the second uplink carrier adopts a TDD mode, and the method 800 is performed by the first uplink.
  • the base station where the carrier is located is executed.
  • the method 800 includes:
  • the above step S820 may be replaced by the base station not performing PUSCH scheduling on the subframe corresponding to the transmission timing of the SRS by the terminal.
  • the base station of the FDD evades the scheduling on the subframe corresponding to the SRS transmission time, that is, does not perform PUSCH scheduling.
  • the terminal finds that there is no PUSCH to be transmitted at the transmission time of the SRS, so the SRS can be normally transmitted, which is beneficial to the beamforming of the TDD and improves the transmission efficiency.
  • the base station configures the transmission timing of the SRS for the terminal, so the base station can acquire the transmission timing of the SRS and use it when necessary.
  • the sending opportunity can usually be configured by the base station where the PCC is located, and notify the base station where the SCC is located.
  • the application scenario of the evasive mechanism of the present invention is not limited to the uplink CA scenario of TDD+FDD, and may also be applied to the uplink CA scenario of TDD+TDD or the uplink CA scenario of FDD+FDD. This is not limited.
  • the grant of the N+4 uplink subframe is sent to the terminal in the N subframe, where N is a non-negative integer.
  • the demodulation management frame of layer 2 (L2) to layer 1 (L1, that is, the physical layer) is sent and the preparation of the L1 layer is received within 4 ms to complete the uplink data and control information transmitted to the terminal in the N+4 subframe.
  • Demodulation is performed (for example, UCI).
  • the L2 layer when the L2 layer sends a demodulation management frame to the L1 layer, it is not known whether the UCI of the terminal (for example, including ACK ⁇ NACK) is fed back on the PUSCH of the SCC. Therefore, in the prior art, demodulation on the PCC is performed after knowing the scheduling condition of the SCC. This method is not suitable for the L2 ⁇ L1 system with a long processing delay, nor for the system with large delay between PCC and SCC, which seriously affects CA performance.
  • the present invention proposes a solution in which, in the aggregated uplink carrier, whether it is a PCC or an SCC, the PUSCH scheduling is not performed on other uplink carriers to demodulate its own uplink channel, that is, according to the carrier.
  • the UCI method is used to demodulate the upstream channel.
  • the demodulated uplink channel may be a PUCCH or a PUSCH; when the uplink carrier is an SCC, the demodulated uplink channel may be a PUSCH.
  • the other uplink carriers may actually schedule the PUSCH, and the terminal is actually the UCI fed back on the PUSCH of other uplink carriers.
  • the scheduling of the channel on the carrier determines whether the demodulated UCI is correct.
  • This program is applicable to HARQ feedback information in the UCI, that is, ACK/NACK.
  • FIG. 9 shows a schematic flowchart of a communication method 900 for an uplink CA according to another embodiment of the present invention.
  • the method is applied to a communication system supporting an uplink CA, the communication system comprising a first uplink carrier and a second uplink carrier.
  • the method 900 includes:
  • the first base station where the first uplink carrier is located schedules a first physical uplink channel.
  • the first base station demodulates the first physical uplink channel to obtain the first feedback information according to the manner that the uplink control information UCI is carried on the first physical uplink channel.
  • the first base station acquires second feedback information from the second base station where the second uplink carrier is located, where the second feedback information is a manner in which the second base station carries UCI on the second physical uplink channel scheduled by the second base station. Demodulating the second physical uplink channel;
  • the first base station acquires a channel scheduling situation of the second base station from the second base station, and determines validity of the first feedback information and the second feedback information according to the channel scheduling situation.
  • the first base station can demodulate the first physical uplink channel to obtain the first feedback information according to the manner that the uplink control information UCI is carried on the first physical uplink channel, and obtain the second feedback information, which can be based on the channel of the second base station.
  • the scheduling situation determines the validity of the first feedback information and the second feedback information. In this way, whether the demodulated UCI is correct can be determined according to the scheduling situation of the channels on other uplink carriers.
  • the first uplink carrier is a primary component carrier PCC
  • the second uplink carrier is a secondary component carrier SCC
  • the first base station determines that the first feedback information is valid, and the second feedback information is invalid.
  • the first base station determines that the first feedback information is invalid, and the second feedback information is valid.
  • the first uplink carrier is a secondary component carrier SCC
  • the second uplink carrier is a primary component carrier PCC
  • the first base station determines that the first feedback information is invalid, and the second feedback information is valid;
  • the first base station determines that the first feedback information is valid, and the second feedback information is invalid.
  • the base station demodulates the received PUSCH on each carrier to obtain feedback information on each carrier, that is, obtains multiple ACK ⁇ NACKs, according to other uplinks.
  • the scheduling of the channel on the wave determines the validity of the feedback information. In this way, the base station does not need to know the scheduling result on each carrier in advance, or demodulate the carrier without waiting for the scheduling result of the opposite end, which can save time, and is particularly suitable for the case where the delay between carriers is compact. Moreover, such processing will not affect product processing capabilities and specifications.
  • the uplink carrier is demodulated on the premise that the uplink carrier carries the UCI, for example, demodulating the PUSCH for the SCC, demodulating the PUCCH or the PUSCH for the PCC, and specifically carrying the UCI on the PUSCH or PUCCH of the PCC.
  • the PUSCH or PUCCH is demodulated on the premise, and the PUSCH is demodulated on the premise that the USCH of the SCC carries the UCI.
  • the feedback information can be obtained in time, but the terminal actually only passes the feedback information on one of the channels, so only the demodulated result of the channel that actually carries the feedback information is available, and other feedback information is unavailable.
  • the base station confirms which UCI demodulated on the uplink carrier is valid according to the demodulation result and the actual scheduling result.
  • the actual scheduling result is that there are multiple possibilities, such as a PUSCH on the first uplink carrier and the second uplink carrier, or a PUSCH on the first uplink carrier, no PUSCH on the second uplink carrier, or a first uplink carrier. There is no PUSCH, and there is a PUSCH on the second uplink carrier.
  • the first base station determines the validity of the feedback information according to the demodulation result and the actual scheduling result, and mainly includes the following situations (hereinafter, the first uplink carrier is a PCC, and the second uplink carrier is an SCC as an example):
  • the first carrier may be a PCC
  • the second carrier may be an SCC
  • the first carrier may be an SCC
  • the second carrier may be a PCC
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the communication method for the uplink CA according to the embodiment of the present invention is described in detail above, and a communication apparatus for the uplink CA according to an embodiment of the present invention will be described below.
  • FIG. 10 shows a schematic block diagram of a communication device 1000 for an uplink CA according to an embodiment of the present invention.
  • the device may be a base station or a module included within the base station.
  • the device is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, the first uplink carrier adopts a frequency division duplex FDD mode, and the second uplink carrier adopts a time division duplex TDD mode.
  • the apparatus 1000 includes:
  • the determining module 1010 is configured to determine configuration information of the uplink control information UCI, where the configuration information includes resource configuration information, where the resource configuration information is used to indicate a resource for transmitting the UCI, where the resource is located in a downlink subframe and/or special in the TDD mode. Subframe
  • the sending module 1020 is configured to send the configuration information determined by the determining module 1010 to the terminal.
  • the configuration information further includes period configuration information, where the period configuration information is used to indicate a reporting period of the UCI, where the total number of subframes of the special subframe and the downlink subframe in the reporting period of the UCI is not less than the UCI.
  • the number of subframes required, and the UCI includes channel state information CSI.
  • the first uplink carrier is a primary component carrier PCC
  • the second uplink carrier is a secondary component carrier SCC.
  • the apparatus 1000 for transmitting control information may perform a method on a base station side in a communication method 300 for uplink carrier aggregation CA according to an embodiment of the present invention, and the above and other of each module in the apparatus 1000 For the sake of brevity, the operations and/or functions are not described herein again.
  • the apparatus 1000 of the embodiment of the present invention may configure the resource for transmitting the UCI to be in a special subframe and/or a downlink subframe, so that the UCI can only be reported by the uplink carrier working in the FDD mode. In this way, the uncertainty of the channel for feeding back UCI is reduced, which is advantageous for UCI demodulation, improves transmission efficiency, and reduces processing complexity.
  • FIG. 11 shows a schematic block diagram of a communication device 1100 for an uplink CA according to another embodiment of the present invention.
  • the device may be a terminal or a module included inside the terminal.
  • the device is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier, the first uplink carrier adopts a frequency division duplex FDD mode, and the second uplink carrier adopts a time division duplex TDD mode.
  • the device 1100 includes:
  • the receiving module 1110 is configured to receive configuration information of the uplink control information UCI from the base station where the second uplink carrier is located, where the configuration information includes resource configuration information, where the resource configuration information is used to indicate the resource for transmitting the UCI, where the resource is located in the TDD mode.
  • the processing module 1120 is configured to determine, according to the configuration information received by the receiving module 1110, a downlink subframe and/or a special subframe in which the UCI resource on the second uplink carrier is located in the TDD mode, and further determine the first uplink.
  • the UCI is transmitted on the carrier.
  • the configuration information further includes period configuration information, where the period configuration information is used to indicate a reporting period of the UCI, where the total number of subframes of the special subframe and the downlink subframe in the reporting period of the UCI is not less than the UCI.
  • the number of subframes required, and the UCI includes channel state information CSI, and the apparatus 1100 further includes:
  • a transmission module configured to transmit the UCI on the first uplink carrier according to the period configuration information.
  • the apparatus 1100 for transmitting control information may perform a method on a terminal side in a communication method 300 for uplink carrier aggregation CA according to an embodiment of the present invention, and the above and other of each module in the apparatus 1100
  • the operations and/or functions are not described herein again for the purpose of implementing the corresponding processes on the terminal side of the foregoing method 300.
  • the apparatus 1100 of the embodiment of the present invention may determine, according to the configuration information, a downlink subframe and/or a special subframe in which the resource for transmitting the UCI is located in the TDD mode, that is, a downlink subframe and/or a special subframe located in the second uplink carrier. .
  • the downlink subframe and/or the special subframe are not used for the transmission of the UCI, that is, the UCI can only be transmitted through the uplink subframe, so the terminal can determine to transmit the UCI on the first uplink carrier.
  • FIG. 12 shows a schematic block diagram of a communication device 1200 for an uplink CA in accordance with still another embodiment of the present invention.
  • the device may be a base station or a module included within the base station.
  • the apparatus 1200 includes:
  • the obtaining module 1210 is configured to acquire a timing of reporting the uplink control information UCI by the terminal;
  • the scheduling module 1220 is configured to perform physical uplink shared channel PUSCH scheduling on the uplink SCC according to the reporting occasion acquired by the acquiring module 1210, where the subframe used for the PUSCH scheduling does not include the subframe corresponding to the reporting occasion.
  • the apparatus 1200 for transmitting control information may perform the communication method 500 for uplink CA according to an embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the apparatus 1200 are respectively
  • the corresponding processes of the foregoing method 500 are implemented, and are not described herein for brevity.
  • the apparatus 1200 of the embodiment of the present invention when the reporting time of the UCI collides with the uplink subframe of the uplink SCC, evades the scheduling on the uplink subframe of the uplink SCC, that is, does not perform PUSCH scheduling, so that the UCI is reported to the uplink PCC.
  • the base station reduces the uncertainty of the channel that feeds back the UCI, facilitates the demodulation of the UCI, improves the transmission efficiency, and reduces the complexity of the processing.
  • FIG. 13 shows a schematic block diagram of a communication device 1300 for an uplink CA according to another embodiment of the present invention.
  • the device may be a base station or a module included within the base station.
  • the method is applied to a communication system supporting an uplink CA, where the communication system includes a first uplink carrier and a second uplink carrier.
  • the apparatus 1300 includes:
  • the obtaining module 1310 is configured to acquire, by the terminal, a sending occasion of the sounding reference signal SRS on the second uplink carrier;
  • the scheduling module 1320 is configured to perform physical uplink shared channel PUSCH scheduling on the first uplink carrier according to the sending occasion acquired by the acquiring module 1310, where the subframe used for PUSCH scheduling does not include the subframe corresponding to the sending occasion.
  • the apparatus 1300 for transmitting control information may perform the communication method 800 for uplink CA according to an embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the apparatus 1300 are respectively.
  • the corresponding process of the foregoing method 800 is implemented, and for brevity, no further details are provided herein.
  • the apparatus 1300 of the embodiment of the present invention when the transmission timing of the SRS of the TDD collides with the PUSCH of the FDD, evades the scheduling on the subframe corresponding to the SRS transmission time, that is, does not perform PUSCH scheduling. In this way, the terminal finds that there is no PUSCH to be transmitted at the transmission time of the SRS, so the SRS can be normally transmitted, which is beneficial to the beamforming of the TDD and improves the transmission efficiency.
  • FIG. 14 shows a schematic block diagram of a communication device 1400 for an uplink CA in accordance with still another embodiment of the present invention.
  • the device may be a base station or a module included within the base station.
  • the apparatus 1400 includes:
  • a scheduling module 1410 configured to schedule a first physical uplink channel
  • the demodulation module 1420 is configured to demodulate the first physical uplink channel to obtain the first feedback information according to the manner that the uplink control information UCI is carried on the first physical uplink channel.
  • the obtaining module 1430 is configured to obtain the second feedback information from the second base station where the second uplink carrier is located, where the second feedback information is a manner in which the second base station carries the UCI on the second physical uplink channel scheduled by the second base station. Demodulating the second physical uplink channel;
  • the processing module 1440 is configured to obtain a channel scheduling situation of the second base station from the second base station, and determine validity of the first feedback information and the second feedback information according to the channel scheduling situation.
  • the first uplink carrier is a primary component carrier PCC
  • the second uplink carrier is a secondary component carrier SCC
  • the first base station determines that the first feedback information is valid, and the second feedback information is invalid.
  • the first base station determines that the first feedback information is invalid, and the second feedback information is valid.
  • the first uplink carrier is a secondary component carrier SCC
  • the second uplink carrier is a primary component carrier PCC
  • the first base station determines that the first feedback information is invalid, and the second feedback information is valid;
  • the first base station determines that the first feedback information is valid, and the second feedback information is invalid.
  • the apparatus 1400 for transmitting control information may perform the communication method 900 for uplink CA according to an embodiment of the present invention, and the above and other operations and/or functions of the respective modules in the apparatus 1400 are respectively.
  • the corresponding processes of the foregoing various methods 900 are implemented, and are not described herein for brevity.
  • the apparatus 1400 of the embodiment of the present invention may demodulate the first physical uplink channel to obtain the first feedback information, and obtain the second feedback information according to the manner that the uplink control information UCI is carried on the first physical uplink channel, and may obtain the second feedback information according to the second
  • the channel scheduling situation of the base station determines the validity of the first feedback information and the second feedback information. In this way, whether the demodulated UCI is correct can be determined according to the scheduling situation of the channels on other uplink carriers.
  • the modules in the embodiment shown in FIG. 10, FIG. 12, FIG. 13 and FIG. 14 may be separately set processing elements, or may be integrated in one chip of the base station, or may be stored in the form of program code.
  • the function of each of the above modules is called and executed by a certain processing element of the base station.
  • the individual modules can be integrated or implemented independently.
  • the processing component can be a central processing unit (CPU). Or an Application Specific Integrated Circuit (ASIC), or one or more integrated circuits configured to implement the above method, for example, one or more microprocessors (Digital Singnal Processors, DSPs), or one Or a plurality of Field Programmable Gate Arrays (FPGAs) or the like.
  • DSPs Digital Singnal Processors
  • FPGAs Field Programmable Gate Arrays
  • the modules in the foregoing embodiment shown in FIG. 11 may be separately set as processing elements, or may be integrated in one chip of the terminal, or may be stored in the memory of the terminal in the form of program code, by the terminal.
  • a processing component calls and executes the functions of each of the above modules.
  • the individual modules can be integrated or implemented independently.
  • the processing component may be a central processing unit (CPU), or an application specific integrated circuit (ASIC), or one or more integrated circuits configured to implement the above method, for example. : One or more microprocessors (Digital Singnal Processors, DSPs), or one or more Field Programmable Gate Arrays (FPGAs).
  • FIG. 15 is a schematic structural diagram of a base station according to still another embodiment of the present invention.
  • the base station includes an antenna 1510, a radio frequency device 1520, and a baseband device 1530.
  • the antenna 1510 is coupled to the radio frequency device 1520.
  • the radio frequency device 1520 receives the information transmitted by the terminal through the antenna 1510, and transmits the information transmitted by the terminal to the baseband device 1530 for processing.
  • the baseband device 1530 processes the information of the terminal and sends it to the radio frequency device 1520.
  • the radio frequency device 1520 processes the information of the terminal and sends it to the terminal via the antenna 1511.
  • the above device 1000, 1200, 1300 or 1400 can be located in the baseband device 1530, including the processing element 1531 and the storage element 1532.
  • the baseband device 1530 can include at least one baseband board having a plurality of chips disposed thereon, as shown in FIG. 15, one of which is, for example, a processing component 1531, coupled to the storage component 1532 to invoke a program in the storage component 1532 The operations shown in the above method embodiments are performed.
  • the baseband device 1530 may further include an interface 1533 for interacting with the radio frequency device 1520, such as a Common Public Radio Interface (CPRI).
  • CPRI Common Public Radio Interface
  • the processing element herein may be a processor or a collective name of a plurality of processing elements.
  • the processing element may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method.
  • the processing element may be a CPU, an ASIC, or one or more integrated circuits configured to implement the above method.
  • one or more microprocessors Digital Singnal Processors, DSPs
  • one or more Field Programmable Gate Arrays FPGAs
  • the storage element can be a memory or multiple storage elements The general name of the piece.
  • FIG. 16 is a schematic structural diagram of a terminal according to an embodiment of the present invention.
  • the terminal includes a processor 1610, a storage component 1620, and a transceiver 1630.
  • the transceiver 1630 can be coupled to an antenna.
  • the transceiver 1630 receives the information transmitted by the base station through the antenna, and transmits the information to the processor 1610 for processing.
  • the processor 1610 processes the data of the terminal and transmits it to the base station through the transceiver 1630.
  • the storage element 1620 is configured to store a program that implements the foregoing method embodiments, such as receiving configuration information sent by the base station, or a program code corresponding to the execution action of the terminal side in each embodiment of the foregoing base station, and the processor 1610 calls the program code. The operation on the terminal side corresponding to the foregoing method embodiment is performed.
  • part or all of the above modules may be implemented by being embedded in a chip of the terminal in the form of a Field Programmable Gate Array (FPGA). And they can be implemented separately or integrated.
  • FPGA Field Programmable Gate Array
  • the processor herein may be a CPU, or an ASIC, or one or more integrated circuits configured to implement the above methods, such as one or more microprocessors (Digital Singnal Processors, DSPs), or one or A plurality of Field Programmable Gate Arrays (FPGAs) and the like.
  • the storage element can be a storage device or a collective name for a plurality of storage elements.
  • a plurality of interfaces may be disposed on the processor for respectively connecting peripheral devices or interface circuits connected to the peripheral devices.
  • peripheral devices for example, an interface for connecting a display screen, an interface for connecting to a camera, an interface for connecting an audio processing element, and the like.
  • the size of the sequence numbers of the above processes does not mean the order of execution, and the order of execution of each process should be determined by its function and internal logic, and should not be taken to the embodiments of the present invention.
  • the implementation process constitutes any limitation.
  • the disclosed systems, devices, and methods may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the unit is only a logical function division.
  • there may be another division manner for example, multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the functions may be stored in a computer readable storage medium if implemented in the form of a software functional unit and sold or used as a standalone product.
  • the technical solution of the present invention which is essential or contributes to the prior art, or a part of the technical solution, may be embodied in the form of a software product, which is stored in a storage medium, including
  • the instructions are used to cause a computer device (which may be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in various embodiments of the present invention.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

Abstract

La présente invention concerne un procédé et un appareil de communication conçus pour une agrégation de porteuses (CA) de liaison montante. Le procédé est appliqué à un système de communication qui prend en charge une CA de liaison montante, et le système de communication comprend une première porteuse de liaison montante et une seconde porteuse de liaison montante, la première porteuse de liaison montante utilisant un mode de duplexage par répartition en fréquence (FDD), et la seconde porteuse de liaison montante utilisant un mode de duplexage par répartition dans le temps (TDD). Le procédé comprend les étapes suivantes : une station de base, dans laquelle la seconde porteuse de liaison montante est située, détermine des informations de configuration d'informations de commande de liaison montante (UCI), les informations de configuration comprenant des informations de configuration de ressource, les informations de configuration de ressource étant utilisées pour indiquer une ressource qui transmet les UCI, et la ressource étant située dans une sous-trame de liaison descendante de mode TDD et/ou une sous-trame spéciale ; et la station de base envoie les informations de configuration à un terminal. Le procédé et l'appareil de communication conçus pour une CA de liaison montante, dans les modes de réalisation de la présente invention, peuvent améliorer l'efficacité de transmission.
PCT/CN2016/103955 2016-10-31 2016-10-31 Procédé et appareil de communication pour agrégation de porteuses de liaison montante WO2018076326A1 (fr)

Priority Applications (2)

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CN201680089934.4A CN109804684A (zh) 2016-10-31 2016-10-31 用于上行载波聚合的通信方法和装置
PCT/CN2016/103955 WO2018076326A1 (fr) 2016-10-31 2016-10-31 Procédé et appareil de communication pour agrégation de porteuses de liaison montante

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PCT/CN2016/103955 WO2018076326A1 (fr) 2016-10-31 2016-10-31 Procédé et appareil de communication pour agrégation de porteuses de liaison montante

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