WO2013166711A1 - 支持harq的无线通信方法、用户设备和基站 - Google Patents
支持harq的无线通信方法、用户设备和基站 Download PDFInfo
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- WO2013166711A1 WO2013166711A1 PCT/CN2012/075369 CN2012075369W WO2013166711A1 WO 2013166711 A1 WO2013166711 A1 WO 2013166711A1 CN 2012075369 W CN2012075369 W CN 2012075369W WO 2013166711 A1 WO2013166711 A1 WO 2013166711A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1829—Arrangements specially adapted for the receiver end
- H04L1/1835—Buffer management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1812—Hybrid protocols; Hybrid automatic repeat request [HARQ]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1822—Automatic repetition systems, e.g. Van Duuren systems involving configuration of automatic repeat request [ARQ] with parallel processes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1874—Buffer management
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
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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
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A), DMT the frequencies being arranged in component carriers
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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
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signaling, i.e. of overhead other than pilot signals
- H04L5/0055—Physical resource allocation for ACK/NACK
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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
- H04L5/14—Two-way operation using the same type of signal, i.e. duplex
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04Q—SELECTING
- H04Q11/00—Selecting arrangements for multiplex systems
- H04Q11/04—Selecting arrangements for multiplex systems for time-division multiplexing
- H04Q11/0428—Integrated services digital network, i.e. systems for transmission of different types of digitised signals, e.g. speech, data, telecentral, television signals
- H04Q11/0478—Provisions for broadband connections
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/1887—Scheduling and prioritising arrangements
Definitions
- the present invention relates to the field of wireless communications, and in particular, to a wireless communication method, a user equipment, and a base station that support Hybrid Automatic Repeat ReQuest (HARQ).
- HARQ Hybrid Automatic Repeat ReQuest
- a wireless frame length is 10ms, which includes 10 sub-frames . Each sub-frame is lms in length.
- the network side device can configure the subframe to transmit downlink data or uplink data.
- the LTE TDD system supports a plurality of different uplink and downlink subframe ratios, as shown in Table 1, where D represents a downlink subframe, S represents a special subframe, and U represents an uplink subframe, for example, a subframe ratio of 0. For "DSUUUDSUUU".
- the network side device notifies the user equipment of the subframe ratio to be used through the broadcasted System Information Block 1 (SIB1) message.
- SIB1 System Information Block 1
- the LTE TDD system supports physical layer HARQ technology. For each seed frame ratio in Table 1, the corresponding HARQ timing relationship and the maximum number of supported HARQ processes are defined. Table 2 shows the number of downlink maximum HARQ processes M - HARQ and uplink maximum HARQ processes supported under each LTE TDD subframe ratio. i3 ⁇ 4M UL _ HA RQ, wherein the downlink and uplink HARQ process for the HARQ process denote the HARQ process used for downlink data transmission and uplink data transmission HARQ process.
- the HARQ process of the uplink data transmission supports two modes, which are respectively called a normal HARQ mode and a subframe bonding mode, and N/A indicates that the subframe bonding mode is not supported under the corresponding subframe ratio.
- the normal HARQ mode the transmission of one uplink data packet is performed in only one subframe; in the subframe bonding mode, the transmission of one uplink data packet is performed in more than one subframe, and different subframes respectively transmit the uplink data packet.
- Different redundancy versions Table 2 Number of HARQ processes in different subframe ratios
- TDD carrier aggregation with different subframe ratios Frequency Division Duplex (FDD) carrier and TDD carrier aggregation, and TDD subframes. Ratio dynamic reconfiguration, etc. Since there are multiple subframe ratios at this time, the carrier aggregation in the prior art is only implemented for carriers of the same subframe ratio.
- the HARQ timing relationship used in communication between the UE and the base station is used. It is likely that it is not a HARQ timing relationship corresponding to the subframe ratio of the SIB1 notification on the carrier.
- the present invention provides a HARQ-enabled wireless communication method, a user equipment and a base station.
- An aspect of the present invention provides a wireless communication method supporting a hybrid automatic repeat request, the method comprising: transmitting a first hybrid automatic repeat request HARQ process number indication information to a user equipment UE;
- the second HARQ process number indication information is used to determine a second HARQ process number according to the second HARQ process number indication information, and perform data transmission with the UE according to the determined second HARQ process number.
- Another aspect of the present invention provides a wireless communication method supporting a hybrid automatic repeat request, the method comprising:
- the base station Receiving, by the base station, the first hybrid automatic repeat request (HARQ) process number indication information; if the second HARQ process number indication information sent by the base station is further received, determining the second HARQ process number according to the second HARQ process number indication information And performing data transmission with the base station based on the determined number of the second HARQ processes.
- HARQ hybrid automatic repeat request
- Another aspect of the present invention provides a base station, where the base station includes:
- a sending module configured to send, to the user equipment UE, a first hybrid automatic repeat request HARQ process number indication information
- a processing module configured to determine, according to the second HARQ process number indication information, a second HARQ process number, if the sending module further sends the second HARQ process number indication information to the UE, and according to the determined The number of two HARQ processes is performed by the sending module to perform data transmission with the UE.
- Another aspect of the present invention provides a user equipment, where the user equipment includes:
- a receiving module configured to receive, by the base station, a first hybrid automatic repeat request, a HARQ process number indication
- a processing module configured to determine, according to the second HARQ process number indication information, a second HARQ process number, based on the determined number, if the receiving module further receives the second HARQ process number indication information sent by the base station Number of two HARQ processes, which are numbered by the receiving module and the base station According to transmission.
- the present invention can better support the UEs with different functional characteristics by transmitting the second HARQ process number indication information to the UE, and the base station and the user equipment can perform data communication with the UE based on different HARQ timing relationships and the number of HARQ processes.
- FIG. 1 is a flowchart of a method for supporting HARQ-based wireless communication according to an embodiment of the present invention
- FIG. 2 is a schematic diagram of a method for dynamically reconfiguring TDD subframe ratio by setting a dynamic subframe;
- FIG. 3 is a schematic diagram of a method for implementing dynamic subframe configuration by using a system message to implement TDD subframe ratio dynamic reconfiguration
- FIG. 4 is a schematic diagram of different subframe allocation TDD carrier aggregation according to an embodiment of the present invention.
- FIG. 5 is a schematic diagram of FDD and TDD carrier aggregation according to an embodiment of the present invention.
- FIG. 6 is a schematic structural diagram of a base station according to an embodiment of the present invention.
- FIG. 7 is a flowchart of a method for supporting HARQ wireless communication according to another embodiment of the present invention.
- FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present invention. detailed description
- the embodiments of the present invention provide a HARQ-enabled wireless communication method, a user equipment, and a base station, to solve how to implement TDD carrier aggregation, FDD carrier and TDD carrier aggregation, and TDD subframe ratio dynamic reconfiguration, etc., which introduce different subframe ratios.
- the HARQ timing relationship used in the communication between the UE and the base station is not the HARQ timing relationship corresponding to the subframe ratio notified by the SIB1 on the carrier, and the UE and the UE are still well supported.
- the base station communicates.
- the advanced functional features described in the embodiments of the present invention include one or more of TDD carrier aggregation, FDD carrier and TDD carrier aggregation, and TDD subframe ratio dynamic reconfiguration of different subframe ratios.
- An embodiment of the present invention provides a HARQ-enabled wireless communication method. As shown in FIG. 1, the method includes the following steps.
- Step 101 Send first HARQ process number indication information to the UE.
- the first HARQ process number indication information is used for data communication with a UE that does not adopt advanced functional features.
- the first HARQ process number indication information is subframe configuration information carried in the first system information block message.
- the base station can use the subframe ratio in the first system information block message to perform data communication with the UE that does not adopt advanced functional features.
- the first system information block broadcasted by the system on the network side notifies the user equipment which subframe ratio to use is the 7 seed frame ratio shown in Table 1.
- the protocol specifies a strict HARQ timing relationship and the corresponding number of HARQ processes.
- the HARQ timing relationship and the number of HARQ processes corresponding to each seed frame ratio may be stored in the base station and the UE in advance, so after the UE obtains the first HARQ process number indication information, the UE may determine the first The number of HARQ processes indicates the number of first HARQ processes corresponding to the information.
- the first HARQ process number indication information may be sent to all UEs.
- the first HARQ process number indication information may be a base station.
- the subframe ratio to be used is transmitted to all UEs through the first system information block message broadcasted, or may not be sent to all UEs, for example, if not in LTE TDD The system, the first HARQ process number indication information may not be sent to all UEs.
- Step 102 If the second HARQ process number indication information is further sent to the UE, determine the second HARQ process number according to the second HARQ process number indication information, and according to the determined second HARQ process number, The UE performs data transmission.
- the second HARQ process number indication information is used to enable the UE to determine the number of HARQ processes used by the base station to perform data communication with the UE.
- the embodiment may further include: if the second HARQ process number indication information is not sent to the UE, determining, according to the first HARQ process number indication information, the first HARQ process number, and according to the determined first The number of HARQ processes, and data transmission with the UE.
- the second HARQ process number indication information is mainly sent to those UEs that adopt advanced functional features. Therefore, for these UEs adopting advanced functional features, the second indication may be indicated according to the second HARQ process number indication information.
- the HARQ timing relationship feeds back a response message to the base station.
- the base station sets corresponding second HARQ process number indication information according to the advanced functional features adopted by the base station. For example, when the base station configures the TDD carrier aggregation with different subframe ratios for the UE, for the downlink data transmission occurring on the secondary component carrier, when the corresponding uplink response information is fed back on the primary component carrier, the primary member needs to be comprehensively considered.
- the subframe ratio of the carrier and the secondary component carrier is used to set an appropriate second HARQ process number indication information, so that the UE adopting the advanced functional characteristics can perform data transmission according to the appropriate number of HARQ processes.
- the base station when the base station starts the TDD subframe ratio dynamic reconfiguration function for the UE, the base station can communicate with the UE by using the subframe ratio X, where the subframe ratio X can be changed in different radio frames, for example, According to the service requirement, the subframe ratio 0 to 6 shown in Table 1 may be changed.
- the subframe ratio X on the partial radio frame may also be the same as the subframe ratio in the first system information block message; The base station needs to consider all possible changes of the subframe ratio X to set an appropriate second HARQ process number indication information.
- the second HARQ process number indication information may be notified to the at least one UE by using dedicated signaling or a specific system message.
- the proprietary signaling may include one or more of a RRC message, a medium access control message, or a physical layer control signaling, for example, by using a RRC message to notify a UE that adopts advanced features.
- the base station sends the UE to the UE through proprietary signaling.
- the response message fed back by the UE is received, so that the successful transmission can be confirmed.
- the base station If the base station successfully sends the second HARQ process number indication information to the UE, the base station according to the second And the number of the HARQ processes and the data transmission by the UE, when the second HARQ process number indication information is not successfully sent to the UE, determining, according to the first HARQ process number indication information, the first HARQ process number, and according to the determined location
- the first HARQ process number is used for data transmission with the UE;
- the specific system message may be an added system message for notification, and may be broadcast to a certain type of UE, for example, a UE or an evolution using advanced functional features.
- the UE rather than such a UE, cannot receive and parse the second HARQ process number indication information.
- the specific design of the second HARQ process number indication information may be different according to different application scenarios.
- the specific design of the second HARQ process number indication information is further described below through several application examples.
- the UE that receives the second HARQ process number indication information can determine the second HARQ process number according to the received second HARQ process number indication information, so that data transmission can be performed according to the appropriate HARQ process number.
- the LTE system is an evolving system.
- Base stations supporting advanced features also need to be able to serve UEs that only support the features of earlier versions.
- Evolutionary UEs that support advanced features also need to be able to access a feature that only supports earlier versions.
- the base station is also able to communicate with the base station using earlier version features.
- the UE can also provide services for UEs that support only the earlier version of the feature.
- the base station when the base station performs data communication with the UE, the base station does not successfully send the second HARQ process number indication information to the UE.
- the number of the first HARQ process indicated by the HARQ process number indication information is transmitted with the UE.
- the evolved base station can provide basic LTE communication service to the non-evolved UE using the earlier version function; when an evolved UE accesses a base station, whether the base station is evolved or not The base station can provide the basic LTE communication service to the evolved UE by using the early version function feature when the base station only sends the first HARQ process number indication information to the evolved UE and does not successfully send the second HARQ process number indication information.
- the base station When the second HARQ process number indication information is sent, the base station performs data transmission with the UE according to the second HARQ process number indicated according to the second HARQ process number indication information; when the second HARQ process number indication information is not sent, the base station Based on the indication indicated by the first HARQ process number indication information
- the number of HARQ processes is transmitted with the UE.
- the number of the first HARQ process and the number of the second HARQ process may be the maximum number of HARQ processes in the downlink, M HARQ , or the maximum number of HARQ processes in the uplink, M UL HARQ ⁇ .
- the LTE TDD system defines the Total Number of Soft Channel Bits N s ft N s supported by each UE capability level according to different UE capability levels.
- Ft gives the maximum soft buffer size supported by the UE, and the maximum soft buffer is further divided and allocated to each HARQ process.
- the soft buffer size allocated to a transport block is recorded as N IR bits, then In formula (1), .
- the soft buffer size may be divided for each sub-frame ratio and the maximum supported number of downlink HARQ processes M - HARQ related, M - HARQ values by a UE according to a subframe in SIB1 notification feature Better than getting.
- the correct soft buffer size division may be performed according to the appropriate M HARQ determined according to the second HARQ process number indication information, for example, the information according to the second HARQ process number indication information
- the determined suitable M DL HARQ is substituted into equation (1) to calculate the downlink HARQ soft buffer size.
- the method further includes: downlink control information (Downlink Control) Information, DCI) is sent to the UE, where the number of HARQ processes carried in the HARQ process ID field in the DCI is less than or equal to the number of the second HARQ processes.
- DCI Downlink Control Information
- the base station may be based on sending the second HARQ process number indication information to the UE.
- Different HARQ timing relationships and the number of HARQ processes are in data communication with the UE, so that different versions of UEs can be better supported.
- these UEs may be based on The HARQ timing relationship of the subframes notified by the SIB1 message on the carrier is different from the HARQ timing relationship corresponding to the HARQ timing relationship, and performs data communication with the base station.
- the LTE system is an evolving and evolving system, including FDD and TDD.
- the TDD subframe ratio change can be completed through the system message update process, and the fastest 640ms change; but the subframe ratio is Changes usually result in business interruption for a period of time.
- the subframe ratio in the actual system tends to change little, even after the network deployment is completed.
- the subframe matching ratio needs to be changed relatively quickly to better match the current traffic characteristics.
- the LTE protocol proposes to dynamically change the TDD subframe ratio according to the current service characteristics.
- the subframe ratio may often need to be changed hundreds of milliseconds or even as short as ten milliseconds, which is called a TDD subframe. Matching dynamic reconfiguration.
- a method for implementing dynamic reconfiguration of TDD subframe ratio is: in each radio frame, the base station sets a part of the subframe as a dynamic sub-frame (Dynamic Sub-frame) or notifies the UE which subframes Set to dynamic subframe.
- these dynamic subframes can be dynamically used by the base station to transmit uplink data or downlink data.
- the base station notifies the UE of the subframe ratio 1 through the SIB1; in addition, the base station may also notify the UE of the subframe 3, the subframe 4, the subframe 8 and the subframe by using a Radio Resource Control (RRC) message.
- RRC Radio Resource Control
- Frame 9 is set as a dynamic subframe, where D represents a downlink subframe, S represents a special subframe, U represents an uplink subframe, and F represents a dynamic subframe.
- the base station can explicitly or implicitly indicate, by signaling, such as physical layer signaling, whether each dynamic subframe is used for transmission of uplink data or downlink data.
- the subframe is notified by the base station in SIB1.
- new signaling is also introduced to inform the UE of the actually used subframe ratio X and its effective time, so that the UE can know, when each subframe of each radio frame is used for uplink data transmission and Used as a downlink data transmission.
- the subframe ratio notified by the SIB1 needs to be changed by at least 640 ms.
- the subframe ratio is changed to implement dynamic reconfiguration of the TDD subframe, so as to better match the uplink and downlink service requirements of the UE; that is, the subframe ratio X is set according to the uplink and downlink service requirements of the user, and the base station uses the subframe ratio.
- X communicates with the UE to perform service transmission more efficiently.
- the subframe ratio of the SIB1 message notification is subframe ratio 1
- the base station also notifies the UE of the actually used subframe ratio X and its effective time by using an RRC message, where the user service is used. It is required that when the base station communicates with the UE in different time, the actually used subframe ratio X is the subframe ratios 0, 2, 1, and 4, respectively.
- a UE supporting the carrier aggregation technology can simultaneously access more than one component carrier (Component Carrier) and perform data communication with the base station.
- One of the multiple component carriers is called a primary component carrier, and the remaining component carriers are called secondary component carriers.
- a member carrier is also commonly referred to as a serving cell.
- LTE version 10 only supports aggregation between TDD carriers of the same subframe ratio, does not support TDD carrier aggregation with different subframe ratios, and does not support FDD carrier and TDD carrier aggregation.
- LTE Release 11 proposes TDD carrier aggregation that supports different subframe ratios, as shown in Figure 4; the subsequent evolved version may further support FDD carrier and TDD carrier aggregation, as shown in Figure 5; in addition, in the carrier aggregation scenario, A TDD carrier may adopt a TDD subframe ratio dynamic reconfiguration technique.
- the sending the first HARQ process number indication information to the UE for the at least one component carrier includes: sending the The first HARQ process number indication information of the component carrier; when the second HARQ process number indication information is successfully sent to the UE, the second HARQ process number indication information is a second HARQ for the at least one component carrier
- the process number indication information is used to enable the UE to determine the number of second HARQ processes that the base station and the UE can support when performing data communication on the at least one component carrier.
- the at least one component carrier may be: a component carrier with the TDD subframe ratio dynamic reconfiguration function enabled, or a secondary component carrier with a different subframe ratio from the primary component carrier. It should be noted that the FDD carrier and the TDD carrier are also matched by different subframes. Carrier.
- the base station can simultaneously communicate with the UE by using multiple component carriers, where multiple component carriers include one primary component carrier, and the remaining ones are secondary component carriers, where one or more secondary component carriers may have primary members.
- the carrier ratio of different carriers may also enable the TDD subframe proportion dynamic reconfiguration function on at least one component carrier.
- the base station may separately transmit a first HARQ for the component carrier for each component carrier.
- the process number indication information and the second HARQ process number indication information about the component carrier may also notify the same second HARQ process number indication information for all component carriers.
- the second HARQ process number indication information includes the number of second HARQ processes.
- the determining, according to the second HARQ process number indication information, the number of the second HARQ process includes: determining, by using the second HARQ process number indication information, the second HARQ process number as the second HARQ The number of processes.
- the second HARQ process number indication information may include the subframe ratio information.
- the determining the second HARQ process number according to the second HARQ process number indication information includes: indicating, according to the second HARQ process number indication information, that The subframe matching information determines the number of the second HARQ processes.
- the subframe matching information is further used to indicate to the UE, a HARQ timing relationship on which the base station performs data communication with the UE. Therefore, the UE may determine the number of the second HARQ process according to the subframe matching information, and may further determine a HARQ timing relationship according to the subframe matching information when performing data communication with the base station.
- the LTE system supports the physical layer HARQ technology, in which, for each data transmission, the data receiver feeds back the response information to the data sender to confirm whether the data is correctly received.
- the HARQ timing relationship refers to the timing relationship between the downlink data transmission and the uplink response information transmission, that is, the uplink response information transmission occurs in the first subframe after the downlink data transmission; for the uplink data transmission, The HARQ timing relationship includes: a timing relationship between uplink data transmission and downlink response information transmission, and a timing relationship between downlink response information transmission and uplink data retransmission. Department.
- the base station configures a TDD carrier aggregation with different subframe ratios for the UE
- the primary component carrier adopts a subframe ratio of 1
- the secondary component carrier adopts a subframe ratio of 3
- the base station and the UE use the secondary component carrier.
- the frame ratio is 3 for data communication; for the downlink data transmission occurring on the secondary component carrier, the corresponding uplink response information is fed back on the primary component carrier, and when the HARQ timing relationship specified by the subframe ratio 3 is continued to be used,
- the uplink component information related to the secondary component carrier fed back by the subframe 4 will not be fed back because the primary component carrier subframe 4 is a downlink subframe; to solve this problem, for a child having a different ratio from the primary component carrier subframe
- the frame-matched secondary component carrier may be configured to notify the UE of a subframe matching ratio information, for example, the added subframe matching ratio information indicates the subframe matching ratio 5, and is used to indicate to the UE that the base station and the UE perform on the secondary component carrier.
- the HARQ timing relationship on which the downlink data communication is based is based on the HARQ timing relationship defined by the subframe ratio 5, and all uplink response information is in the subframe 2 Feeding, the subframe is an uplink subframe 2 on the primary component carrier, the carrier member avoids the problem of secondary downlink data transmission acknowledgment information uplink primary component carrier is not in the feedback.
- each dynamic subframe can be dynamically used as downlink data transmission (ie, as a downlink subframe) or uplink data transmission (ie, as an uplink subframe) according to service requirements.
- downlink data transmission ie, as a downlink subframe
- uplink data transmission ie, as an uplink subframe
- the base station can add a notification to the UE to notify one subframe ratio.
- the information for example, the added subframe matching information indicating the subframe ratio 2 is used to indicate to the UE, the HARQ timing relationship on which the base station performs downlink data communication with the UE, according to the When the frame ratio is the HARQ timing relationship specified by the frame 2, all the uplink response information is fed back in the subframe 2 and the subframe 7, and the dynamic subframe is not fed back, thereby ensuring that the dynamic subframe can be dynamically dynamically according to the uplink and downlink service requirements.
- the ground is used for downlink data transmission or uplink data transmission.
- a different subframe ratio may be separately notified, which is used to indicate the HARQ time according to the downlink data transmission.
- the UE matching information is added to the UE, and the UE is used to indicate the HARQ timing relationship on which the base station performs data communication with the UE, so that the UE can be better supported. Communicate with the base station using advanced features.
- the subframe matching information is one of the subframe ratios shown in Table 1.
- the subframe ratio corresponding to the newly added subframe matching information is matched with the subframe notified in SIB1.
- the subframe ratio indicated by the first HARQ process number indication information may be different, or may be the same as the subframe ratio notified in SIB1, except that the added subframe ratio information is used to indicate the base station to the UE.
- the HARQ timing relationship according to the data communication with the UE, and the number of second HARQ processes when data communication with the UE is determined, and the subframe ratio actually used by the base station when performing data communication with the UE at this time It may be a subframe ratio notified in SIB1 or a subframe ratio actually used in TDD subframe ratio dynamic reconfiguration. It can be seen that the subframe matching information included in the second HARQ process number indication information is used to indicate to the UE, the HARQ timing relationship on which the base station performs data communication with the UE, instead of the sub-operation used to indicate the data transmission.
- the frame ratio, the subframe ratio of the SIB1 notification (ie, the first HARQ process number indication information) is used to provide backward compatibility to the early version UE and data communication with the evolved UE that does not adopt the advanced function feature, therefore,
- the subframe matching information included in the second HARQ process number indication information in the embodiment of the present invention is different from the purpose and use of the first HARQ process number indication information.
- the UE determines, when the actual subframe ratio can be changed, a HARQ timing relationship that does not depend on the actually used subframe ratio.
- the UE can be better supported to communicate with the base station using advanced functional features.
- the base station indicates a total of three subframe ratio information to the UE, and one is a subframe ratio notified by the SIB1 (ie, the first HARQ process number indication information).
- One is a subframe ratio that is actually used for data transmission
- the other is a subframe ratio information included in the second HARQ process number indication information according to the embodiment of the present invention, where the subframe ratio of the SIB1 notification is used.
- the subframe ratio actually used by the data transmission is used to determine each subframe in the radio frame, which is provided to provide backward compatibility with the earlier version UE and data communication with the evolved UE that does not adopt the advanced function feature.
- Is used for uplink data transmission or downlink data transmission, and the second subframe matching information included in the second HARQ process number indication information is used to indicate to the UE the HARQ timing relationship on which the base station performs data communication with the UE.
- both the base station and the UE can assist in data communication according to the HARQ timing relationship and the number of HARQ processes corresponding to the subframe ratio indicated by the subframe ratio information included in the second HARQ process number indication information.
- SIB1 notifies subframe ratio 1, that is, "DSUUDDSUUD", and also informs the UE of subframe 3, subframe 4, subframe 8, and child through an RRC message.
- Frame 9 is set as a dynamic subframe.
- the PDSCH HARQ design needs to consider the extreme case where all dynamic subframes are used for downlink traffic transmission, that is, "DSUDDDSUDD"; the base station can notify the UE of the second HARQ process number indication information through an RRC message.
- the second HARQ process number indication information indicates a subframe ratio of 2, that is, "DSUDDDSUDD".
- the SIB1 notifies the subframe ratio of 1, and also informs the UE that the actual subframe allocation ratio by the RRC message is the subframe ratio 0, the subframe ratio 2, and the subframe ratio 1 Compared with subframe 4, the PDSCH HARQ design needs to take into account all possible actual subframe ratios, that is, considering the subframe ratio 0, the subframe ratio 2, the subframe ratio 1 and the subframe ratio.
- the PDSCH HARQ may be used to notify the UE that the second HARQ process number indication information is used for the PDSCH HARQ by using an RRC message, where the second HARQ process number indication information indicates the subframe ratio 5.
- the carrier aggregation of TDD different subframes as shown in FIG.
- the primary component carrier uses the subframe ratio 2
- the secondary component carrier uses the subframe ratio 1
- the uplink response information is The primary component carrier is transmitted.
- the RRC message can be used to notify the UE that the subframe ratio 5 is used for the secondary component carrier PDSCH HARQ. That is, at this time, for the secondary component carrier, the base station can notify the UE of the first HARQ process of the secondary component carrier.
- the number indication information is the subframe ratio 1
- the subframe ratio information included in the second HARQ process number indication information of the secondary component carrier is notified to the UE by the RRC message that the subframe ratio ratio is the subframe ratio 5.
- the FDD carrier is the primary component carrier
- the TDD carrier is the secondary component carrier
- the base station may also notify the UE that the subframe ratio is 0 for the secondary member by using an RRC message.
- the carrier PDSCH HARQ that is, the second subframe matching information of the secondary component carrier is a subframe ratio of zero.
- the second HARQ process notified by the base station is added to the UE in addition to the subframe ratio of the system message notification and the subframe ratio actually used by the data transmission in the TDD subframe ratio dynamic reconfiguration.
- the number indication information includes subframe ratio information, and the base station may be based on the second HARQ process.
- the number of the HARQ timing relationship corresponding to the subframe matching information and the corresponding number of the second HARQ processes is performed, and the data is transmitted with the UE, so that the TDD subframe ratio dynamic reconfiguration and the different subframe ratio carrier aggregation can be effectively supported.
- FDD carrier and TDD carrier aggregation are examples of the TDD subframe ratio dynamic reconfiguration.
- the role of the subframe ratio information and the effect thereof are analyzed only for the second HARQ process number indication information including the subframe ratio information, however, the second HARQ process number indication information includes the present invention.
- the effect and the effect thereof are the same as the subframe matching information, and no further description is provided herein.
- the second HARQ process number indication information includes a HARQ timing relationship.
- the determining the number of the second HARQ processes according to the second HARQ process number indication information includes: determining the second HARQ process number according to the HARQ timing relationship included in the second HARQ process number indication information.
- the HARQ timing relationship is used to indicate to the UE the HARQ timing relationship used by the base station to perform data communication with the UE.
- the base station may directly notify the UE of the HARQ timing relationship, except that the UE is notified of the subframe ratio information to determine the corresponding HARQ timing relationship and the second HARQ process number.
- the base station may notify the UE that the HARQ timing relationship that the TDD carrier PDSCH HARQ satisfies by the RRC message is: for the subframe n to occur
- the uplink response information is fed back in subframe n+4, that is, the uplink acknowledgement information transmission occurs in the fourth subframe after the PDSCH transmission.
- the second HARQ process number indication information includes TDD subframe ratio dynamic reconfiguration enable information, different subframe ratio TDD carrier aggregation configuration information, or FDD carrier and TDD carrier aggregation configuration information.
- the TDD subframe ratio dynamic reconfiguration enable information is information for informing the UE to start TDD subframe proportion dynamic reconfiguration.
- the TDD subframe ratio dynamic reconfiguration enable information may be notified by separate signaling, and the TDD subframe ratio dynamic reconfiguration enable signal may be represented in the signaling existing in the prior art.
- the dynamic subframe setting information may be used to indicate that the TDD subframe ratio dynamic reconfiguration is enabled.
- the UE may learn that the TDD subframe ratio dynamic reconfiguration has been Enable; or use the subframe allocation ratio of the system message notification to increase the notification by the new signaling.
- the actually used subframe ratio information is used to indicate that the TDD subframe ratio dynamic reconfiguration is enabled (ie, the above A signaling for notifying a subframe ratio X actually used for data transmission in a method for realizing TDD subframe ratio dynamic reconfiguration.
- determining the second HARQ process number according to the second HARQ process number indication information includes: determining, according to the second HARQ process number indication information, the second HARQ process number as a predefined value.
- the predefined value is greater than or equal to 8, or equal to 4.
- M LIMIT is a constant with a value of 8
- the TDD subframe ratio dynamic reconfiguration enable information includes dynamic subframe setup information or a subframe configuration actually used by the data transmission. And determining, according to the second HARQ process number indication information, the second HARQ process number, which may include: dynamic subframe configuration information included in the dynamic reconfiguration enable information according to the TDD subframe ratio or a subframe actually used by the data transmission.
- the combination of the matching information by searching for the correspondence between the pre-stored number of the second HARQ processes and all the supported dynamic subframe settings, or searching for the pre-stored number of the second HARQ processes and all possible subframe matching information. The combined correspondence determines the number of the second HARQ processes.
- the combination of the subframe ratio information actually used by the data transmission includes: subframe ratio information included in the combination of the possible subframe ratios or subframe ratio ratio information of an actually used subframe ratio.
- the number of the second HARQ processes includes the number of downlink maximum HARQ processes and/or the number of uplink maximum HARQ processes.
- the correspondence may be stored in the base station and the UE in advance through a predefined table. In the protocol, a table can be pre-defined, which lists all supported dynamic subframe settings, and sets the number of second HARQ processes that are supported for each dynamic subframe. For example, for the dynamic subframe setting shown in FIG. 2, the subframe 3, the subframe 4, the subframe 8 and the subframe 9 are set.
- the maximum number of downstream HARQ processes is 10 and the maximum number of upstream HARQ processes is 7.
- a table may be pre-defined, which lists all possible combinations of subframe ratios, and specifies a supported second HARQ process for each possible combination of subframe ratios. number.
- the combination of the subframe ratios shown in FIG. 3, that is, the actually used subframe ratio X may be a combination of subframe ratio 0, subframe ratio 1, subframe ratio 2, and subframe ratio 4.
- the maximum number of downlink HARQ processes is 15 and the maximum number of upstream HARQ processes is 7.
- the combination of all possible subframe ratios notified in the TDD subframe matching dynamic reconfiguration enabling information may be directly the subframe matching information included in all possible subframe ratios, or may be an actual The index of the combined combination of the used subframes, by which the subframe matching information included in the combination can be obtained.
- All possible sub-frame ratios constitute a combination of all possible sub-frame ratios, and all combinations of possible sub-frame ratios correspond to a second HARQ process number. The meaning of the combinations in this article are similar.
- the second HARQ process number indication information includes different subframe matching TDD carrier aggregation configuration information
- the second HARQ process number is a number of HARQ processes of the secondary component carrier
- the different subframe matching TDD carrier aggregation configuration information includes The subframe ratio of the primary component carrier and the subframe ratio of the secondary component carrier
- determining the number of the second HARQ process according to the second HARQ process number indication information may include: configuring TDD carrier aggregation configuration information according to different subframes, The number of secondary component carrier HARQ processes is determined as a predefined value, wherein the secondary component carrier has a different subframe ratio than the primary component carrier.
- the second HARQ process number indication information includes different subframe matching TDD carrier aggregation configuration information
- the second HARQ process number is a number of HARQ processes of the secondary component carrier
- the different subframe matching TDD carrier aggregation configuration information includes The subframe ratio of the primary component carrier and the subframe ratio of the secondary component carrier, and determining the number of the second HARQ process according to the second HARQ process number indication information, may include: configuring TDD carrier aggregation configuration information according to different subframes, The number of the HARQ processes of the secondary component carrier is determined to be the same as the number of the HARQ processes of the primary component carrier, or the number of the HARQ processes of the secondary component carrier is determined to be the larger of the number of HARQ processes of the primary component carrier and the number of HARQ processes of the secondary component carrier.
- the number of HARQ processes of the secondary component carrier is determined according to a subframe ratio of a primary component carrier
- the number of HARQ processes of the secondary component carrier is determined according to a subframe ratio of the secondary component carrier.
- the configuration information of the TDD carrier aggregation in different subframes includes the subframe ratio of the primary component carrier and the subframe ratio of the secondary component carrier.
- the correspondence may be a predefined table, and the combination of all supported primary member carrier subframe ratios and secondary member carrier subframe ratios is listed in the table, and is matched for each seed frame. Specifies the number of HARQ processes supported on the secondary component carrier.
- the correspondence may be stored in the base station and the UE in advance.
- the number of HARQ processes supported on the secondary member carrier includes the number of downlink maximum HARQ processes and/or the maximum number of uplink HARQ processes. For example, it may be specified in the table that when the primary component carrier subframe ratio is the subframe ratio 2, the secondary component carrier subframe ratio is the subframe ratio of 4 days, and the secondary member carrier has the maximum downlink HARQ process number of 15 The maximum number of HARQ processes is 4.
- the data transmission and response information feedback may be performed on different component carriers respectively in different subframe matching TDD carrier aggregation. For example, for the downlink data transmission occurring on the secondary component carrier, the corresponding uplink response information is fed back on the primary component carrier, and thus the setting of the second HARQ process number needs to comprehensively consider the subframe ratio of the primary component carrier and the secondary component carrier.
- the second HARQ process number indication information includes the FDD carrier and the TDD carrier aggregation configuration information
- the second HARQ process number is the number of the HARQ processes of the secondary component carrier
- the second HARQ process number is determined according to the second HARQ process number indication information
- the method may include: assembling the FDD carrier according to the FDD carrier Set the information to determine the number of HARQ processes of the secondary component carrier as a predefined value. or
- the second HARQ process number indication information is an FDD carrier and TDD carrier aggregation configuration information
- the second HARQ process number is a number of HARQ processes of the secondary component carrier
- the FDD carrier and TDD carrier aggregation configuration information includes a TDD carrier component.
- the determining the number of the HARQ processes according to the second HARQ process number indication information may include: determining the number of HARQ processes of the secondary component carrier as the number of HARQ processes of the FDD carrier and the subframe according to the TDD carrier.
- determining the number of the HARQ processes according to the second HARQ process number indication information may include: configuring the aggregation information according to the FDD carrier and the TDD carrier, and serving as the secondary component carrier When the TDD carrier is a TDD carrier, the number of HARQ processes of the secondary component carrier is determined as the number of HARQ processes of the FDD carrier.
- the number of HARQ processes of the secondary component carrier is determined as a sub-carrier according to the TDD carrier.
- the number of HARQ processes determined by the frame ratio. Since the number of HARQ processes of the FDD carrier is fixed, the number of HARQ processes of the FDD carrier can be directly determined.
- the base station by transmitting the second HARQ process number indication information to the UE, the base station can perform data communication with the UE based on different HARQ timing relationships and the number of HARQ processes, and can better support UEs with different functional characteristics.
- the base station can use the SIB1 message notification subcarrier on the carrier.
- the HARQ timing relationship with different HARQ timing relationships corresponding to the frame ratio is more efficient data communication with these UEs configured with advanced functional features.
- the embodiment further provides a base station, which can perform the HARQ-enabled wireless communication method of the foregoing embodiment of the present invention.
- the base station includes a sending module 601 and a processing module 602.
- the sending module 601 is configured to send, by the UE, the first HARQ process number indication information;
- the processing module 602 is configured to determine, according to the second HARQ process number indication information, the second HARQ process number, according to the determined location, if the sending module 601 further sends the second HARQ process number indication information to the UE.
- the second HARQ process number is used, and the sending module 601 performs data transmission with the UE.
- the processing module 602 is further configured to: if the sending module 601 does not send the second to the UE
- the number of the second HARQ processes determined by the processing module 602 is the downlink maximum HARQ process number M D L — HAR Q , or the uplink maximum HARQ process number MU Q;
- the processing module is further configured to: calculate a HARQ soft buffer size according to the downlink maximum HARQ process number M — HARQ, and divide a soft buffer; and perform data with the UE according to the divided soft buffer and the second HARQ process number. transmission.
- the sending module 601 is specifically configured to send the first HARQ process number indication information of the at least one component carrier to the UE to the at least one component carrier; and when the second HARQ is further sent Sending, by the number of processes, the second HARQ process number indication information of the at least one component carrier to the UE;
- the processing module When the processing module performs data transmission with the UE, performing data transmission with the UE according to the number of the second HARQ processes on the at least one component carrier;
- the at least one component carrier is: a component carrier with a time division duplex TDD subframe ratio dynamic reconfiguration function enabled, or a secondary component carrier having a different subframe ratio to the primary component carrier.
- the carrier aggregation is performed, and when the UE is in communication with the UE at the same time, the sending module 601 is specifically configured to send, to the UE, The second HARQ process number indication information of each secondary component carrier, wherein the secondary component carrier has a different subframe ratio than the primary component carrier.
- the sending module 601 is specifically configured to send the first HARQ process number indication information to the UE by using a first system information block message, where the first HARQ process number indication information is the first
- the subframe matching information in the system information block message is the same as the following, and will not be described again.
- the second HARQ process number indication information sent by the sending module 601 includes the second number of HARQ processes, and the processing module 602 is specifically configured to: use the second HARQ process number indication information to include the second The number of HARQ processes is determined as the number of the second HARQ processes; or
- the second HARQ process number indication information sent by the sending module 601 includes a HARQ timing relationship, and the processing module 602 is specifically configured to determine, according to the HARQ timing relationship included in the second HARQ process number indication information, The number of second HARQ processes; or
- the second HARQ process number indication information sent by the sending module 601 includes subframe ratio information, and the processing module 602 is specifically configured to: according to the second HARQ process number indication information, the subframe ratio Information determining the number of the second HARQ process; or
- the second HARQ process number indication information sent by the sending module 601 includes time division multiplexing TDD subframe ratio dynamic reconfiguration enable information; at this time, the base station further includes a storage module 603, configured to store one for the The second HARQ process number is a predefined value; the processing module 602 is specifically configured to determine the second HARQ process number as the storage module 603 according to the TDD subframe ratio dynamic reconfiguration enable information.
- the pre-defined value of the storage; or the TDD subframe ratio dynamic reconfiguration enable information sent by the sending module 601 includes dynamic subframe setting information, and the base station further includes a storage module 603, configured to store the Corresponding relationship between the number of the second HARQ processes and all the supported dynamic subframe settings; the processing module 602 is specifically configured to: perform dynamic subframe configuration information included in the dynamic reconfiguration enable information according to the TDD subframe ratio, by searching for the Determining, by the storage module 603, the correspondence between the number of the second HARQ processes and all the supported dynamic subframe settings, determining the number of the second HARQ processes; or the TDD sub-sent sent by the sending module 601
- the frame ratio dynamic reconfiguration enable information includes a combination of subframe allocation information actually used by the data transmission, and the base station further includes a storage module 603, configured to store the second HARQ process number and all possible used subframes.
- the processing module 602 is specifically configured to: according to the combination of the subframe ratio information actually used by the data transmission included in the TDD subframe ratio dynamic reconfiguration enable information, by searching the storage module Determining, by the corresponding relationship between the stored number of the second HARQ processes and the combination of all possible subframe matching information, determining the number of the second HARQ processes; or
- the second HARQ process number indication information sent by the sending module 601 includes different subframe matching TDD carrier aggregation configuration information, where the second HARQ process number is the number of HARQ processes of the secondary component carrier, and the different children
- the frame-matching TDD carrier aggregation configuration information includes a subframe ratio of the primary component carrier and a subframe ratio of the secondary component carrier, where the secondary component carrier has a different subframe ratio than the primary component carrier, and the processing module 602 is specific.
- the base station further includes storing
- the module 603 is configured to store the predefined value of the second HARQ process number, or determine the number of processes of the secondary component carrier as the number of HARQ processes determined according to a subframe ratio of the primary component carrier.
- the base station further includes a storage module 603, configured to store a correspondence between the number of the second HARQ process and
- the second HARQ process number indication information sent by the sending module 601 includes an FDD carrier and a TDD carrier aggregation configuration information, where the number of the second HARQ processes is a number of HARQ processes of the secondary component carrier, and the FDD carrier and the TDD carrier are aggregated.
- the configuration information includes a subframe ratio of the TDD carrier, and the processing module 602 is specifically configured to determine, according to the FDD carrier and the TDD carrier aggregation configuration information, the number of the HARQ processes of the secondary component carrier to be stored by the storage module 603.
- the base station further includes the storage module 603, configured to store a predefined value for the second number of HARQ processes; or determine the number of HARQ processes of the secondary component carrier as the HARQ of FDD carrier The number of processes and the larger of the number of HARQ processes determined according to the subframe ratio of the TDD carrier; or determining the number of HARQ processes of the secondary component carrier as the number of HARQ processes of the FDD carrier and according to the The subframe of the TDD carrier is smaller than the determined number of HARQ processes; or, when the secondary component carrier is a TDD carrier, determining the number of HARQ processes of the secondary component carrier as the number of HARQ processes of the FDD carrier, When the secondary component carrier is an FDD carrier, the number of HARQ processes of the secondary component carrier is determined as the number of HARQ processes determined according to the subframe ratio of the TDD carrier.
- the storage module 603 stores a predefined value greater than or equal to 8, or equal to 4.
- the subframe matching information is one of the 7 seed frame ratios shown in Table 1.
- each module of the foregoing base station performs the information interaction, the execution process, and the like of the method in the embodiment of the present invention.
- the embodiment of the present invention is based on the same concept as the method embodiment of the present invention, and the technical effects thereof are the same as those of the method embodiment of the present invention.
- the description in the method embodiment of the present invention and details are not described herein again. .
- another embodiment of the present invention further provides a HARQ-enabled wireless communication method. As shown in Figure 7, the method includes the following steps.
- Step 701 Receive first HARQ process number indication information sent by the base station.
- the first HARQ process number indication information is a subframe ratio to be used carried in the first system information block message.
- Step 702 If the second HARQ process number indication information sent by the base station is further received, determine the second HARQ process number according to the second HARQ process number indication information, based on the determined second HARQ process number, and The base station performs data transmission.
- the embodiment may further include: when not receiving the second HARQ process number indication information sent by the base station, determining, according to the first HARQ process number indication information, the first HARQ process number, and according to the determined first The number of HARQ processes, and data transmission with the base station.
- the second HARQ process number is the maximum number of downlink HARQ processes M - HARQ, or the maximum uplink HARQ process number M UIJiARQ, before data transmission with the base station
- the method according to the present embodiment may further include:
- the downlink maximum HARQ process number M DIJiAR Q calculates the HARQ soft buffer size and divides the soft buffer; the data transmission with the base station according to the determined number of the second HARQ processes specifically includes: according to the divided soft cache and the The second HARQ process number is used to perform data transmission with the base station.
- receiving the first HARQ process number indication information and receiving the second HARQ process number indication information includes:
- the first HARQ process number indication information is the first HARQ process number indication information of the at least one component carrier
- the second HARQ process number indication information is the at least one component carrier.
- the number of the second HARQ processes of the at least one component carrier is not the same.
- the at least one component carrier is: a component carrier that is enabled with a time division duplex TDD subframe ratio dynamic reconfiguration function, or a secondary component carrier that has a different subframe ratio from the primary component carrier.
- the UE can perform data communication with the base station by using different HARQ timing relationships and the number of HARQ processes by receiving the second HARQ process number indication information sent by the base station to the UE.
- DCI Downlink Control Information
- the HARQ process number field is used to indicate the HARQ process number used by the current data transmission.
- the system message notification subframe ratio 0 is taken as an example.
- the maximum number of downlink HARQ processes is 4. After receiving the DCI and parsing the 4-bit HARQ process number field, the UE will only be in HARQ. If the process ID field is 0 to 3, the value is considered to be valid. When the value of the HARQ process ID field is 4 to 15, the value is considered invalid and the corresponding data is not received or sent.
- the HARQ determined according to the second HARQ process number indication information is used.
- the second HARQ process number indication information is not sent and the number of HARQ processes is determined according to the first HARQ process number indication information
- the HARQ process number field in the DCI is parsed using the number of HARQ processes determined according to the first HARQ process number indication information.
- the UE can perform data communication with the base station by using different HARQ timing relationships and the number of HARQ processes, and correspondingly perform HARQ process number field resolution in the DCI by receiving the second HARQ process number indication information sent by the base station to the UE.
- a subframe that is notified by the SIB1 message on the carrier may be used.
- Data communication with the base station is performed in a HARQ timing relationship different from the corresponding HARQ timing relationship.
- the embodiment further provides a user equipment, which can perform the HARQ-enabled wireless communication method according to the foregoing another embodiment of the present invention.
- the user equipment includes: a receiving module 801 and a processing module 802.
- the receiving module 801 is configured to receive, by the base station, a first hybrid automatic repeat request (HARQ process number indication) information, where the processing module 802 is configured to: if the receiving module 801 further receives the second HARQ process number indication information sent by the base station And determining, according to the second HARQ process number indication information, a second HARQ process number, and performing, by the receiving module 801, data transmission by the receiving module 801, based on the determined number of the second HARQ processes.
- HARQ process number indication hybrid automatic repeat request
- the processing module 802 is further configured to: when the receiving module 802 does not receive the second HARQ process number indication information sent by the base station, determine the first HARQ process number according to the first HARQ process number indication information. And performing data transmission with the base station by using the receiving module 801 according to the determined number of the first HARQ processes.
- the number of the second HARQ processes determined by the processing module 802 is the maximum downlink.
- the processing module 802 is further configured to calculate, according to the downlink maximum HARQ process number M — HARQ The HARQ soft buffer size and divides the soft buffer; and performs data transmission with the base station based on the divided soft buffer and the second HARQ process number.
- the receiving module is specifically configured to receive, by the at least one component carrier, the first HARQ process number indication information of the at least one component carrier sent by the base station;
- the second HARQ process number indication information received by the receiving module is the second HARQ process number indication information of the at least one component carrier, when the second HARQ process number indication information is received;
- the processing module When the processing module performs data transmission with the base station, performing data transmission with the base station according to the number of the second HARQ processes on the at least one component carrier;
- the at least one component carrier is: a component carrier with the TDD subframe ratio dynamic reconfiguration function enabled, or a secondary component carrier with a different subframe ratio from the primary component carrier.
- the receiving module 801 is specifically configured to: when the base station and the user equipment UE simultaneously communicate on multiple carriers, respectively receive the base station for each auxiliary member.
- the second HARQ process number indication information received by the receiving module 801 may refer to the description in the foregoing embodiment, and the processing module 802 determines, according to the second HARQ process number indication information, that the second HARQ process number is also Reference may be made to the corresponding description in the above embodiments, and details are not described herein again.
- the user equipment may further include a storage module 803, configured to store a predefined value for the second HARQ process number, or to store the second HARQ process number and all support.
- Corresponding relationship of the dynamic subframe settings; or a correspondence between the number of the second HARQ processes and the combination of all possible subframe matching information; or for storing the second HARQ process number and all the support The correspondence between the subframe ratio of the primary component carrier and the combination of the subframe ratio of the secondary component carrier, and the like. For details, refer to the foregoing storage module 603.
- the processing module 802 is further configured to: when the receiving module 801 further receives the second HARQ process number indication information sent by the base station, parse the HARQ in the downlink control information DCI according to the second HARQ process number. Process number field.
- each module of the user equipment performs the information interaction, the execution process, and the like of the method in another embodiment of the present invention.
- the description in the method embodiment The embodiment of the present invention is based on the same concept as the foregoing method embodiment, and the technical effect is the same as that of the method embodiment of the present invention.
- the description in the method embodiment of the present invention and details are not described herein again.
- each functional module is only an example. In actual applications, the foregoing functions may be considered according to requirements, such as configuration requirements of corresponding hardware or convenience of implementation of software.
- the allocation is done by different functional modules, that is, the internal structure of the user equipment and the base station are divided into different functional modules to complete all or part of the functions described above.
- the corresponding functional modules in this embodiment may be implemented by corresponding hardware, or may be executed by corresponding hardware.
- the foregoing sending module may have the function of executing the foregoing sending module.
- Hardware such as a transmitter, may also be a general processor or other hardware device capable of executing a corresponding computer program to perform the aforementioned functions; and the processing module as described above may be hardware having a function of executing a processing module, such as a processor. It may also be another hardware device capable of executing a corresponding computer program to perform the foregoing functions; for example, the foregoing receiving module may be hardware having a function of executing the foregoing receiving module, such as a receiver, or may be capable of executing a corresponding computer program to complete A general processor or other hardware device of the foregoing functions; (the various described embodiments of the present specification may apply the above described principles).
- an embodiment of the present invention further provides a HARQ-enabled wireless communication system, including the user equipment and the base station described in the foregoing embodiments.
- a HARQ-enabled wireless communication system including the user equipment and the base station described in the foregoing embodiments.
- the program may be stored in a computer readable storage medium, and the storage medium may include: Read only memory (ROM, Read Only Memory), random access memory (RAM), disk or optical disk.
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Abstract
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Priority Applications (13)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP12876187.1A EP2840732B1 (en) | 2012-05-11 | 2012-05-11 | Wireless communication method and user equipment for supporting harq |
ES17184638T ES2886679T3 (es) | 2012-05-11 | 2012-05-11 | Método de comunicación inalámbrica que soporta HARQ, equipo de usuario y estación base |
CN201611051639.8A CN107070608B (zh) | 2012-05-11 | 2012-05-11 | 支持harq的无线通信方法、用户设备和基站 |
CN201611051663.1A CN107070609B (zh) | 2012-05-11 | 2012-05-11 | 支持harq的无线通信方法、用户设备和基站 |
EP17184638.9A EP3309988B1 (en) | 2012-05-11 | 2012-05-11 | Wireless communication method supporting harq, user equipment, and base station |
PCT/CN2012/075369 WO2013166711A1 (zh) | 2012-05-11 | 2012-05-11 | 支持harq的无线通信方法、用户设备和基站 |
JP2015510602A JP6034485B2 (ja) | 2012-05-11 | 2012-05-11 | Harqをサポートする、ワイヤレス通信方法、ユーザ装置および基地局 |
CN201611063294.8A CN107124254B (zh) | 2012-05-11 | 2012-05-11 | 支持harq的无线通信方法、用户设备和基站 |
RU2014150030/08A RU2605472C2 (ru) | 2012-05-11 | 2012-05-11 | Способ беспроводной связи, поддерживающий harq, пользовательское оборудование и базовая станция |
CN201280000814.4A CN103518345B (zh) | 2012-05-11 | 2012-05-11 | 支持harq的无线通信方法、用户设备和基站 |
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US15/590,381 US10594446B2 (en) | 2012-05-11 | 2017-05-09 | Wireless communication method supporting HARQ, user equipment, and base station |
US16/576,340 US11075719B2 (en) | 2012-05-11 | 2019-09-19 | Wireless communication method supporting HARQ, user equipment, and base station |
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Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104640214A (zh) * | 2013-11-15 | 2015-05-20 | 华为技术有限公司 | 传输数据的方法、基站和用户设备 |
WO2015112731A3 (en) * | 2014-01-23 | 2015-11-12 | Qualcomm Incorporated | Coverage enhancements with carrier aggregation |
CN107534537A (zh) * | 2015-03-09 | 2018-01-02 | 欧芬诺技术有限责任公司 | 载波聚合的调度请求 |
JP2018529257A (ja) * | 2015-08-06 | 2018-10-04 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | フレキシブルな複信のための技法 |
US11005603B2 (en) | 2015-12-01 | 2021-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Predictive acknowledgment feedback mechanism |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP2955957B1 (en) * | 2013-02-06 | 2018-11-07 | Sony Corporation | Communication control device and communication control method |
US9882681B2 (en) * | 2013-03-28 | 2018-01-30 | Nec Corporation | Method and apparatus for determining HARQ timing in communication systems |
US9774427B2 (en) * | 2013-10-03 | 2017-09-26 | Htc Corporation | Method of handling uplink/downlink configurations for time-division duplexing system and related communication device |
US10892855B2 (en) * | 2015-01-29 | 2021-01-12 | Ntt Docomo, Inc. | Terminal and communication system |
CN107682129B (zh) * | 2016-08-02 | 2021-11-12 | 中兴通讯股份有限公司 | Harq的反馈处理、发送处理方法以及装置 |
CN107733597A (zh) * | 2016-08-11 | 2018-02-23 | 株式会社Ntt都科摩 | 确定混合自动重复请求进程号的方法以及基站和用户设备 |
CN111917528B (zh) | 2017-01-22 | 2022-04-29 | 华为技术有限公司 | 传输数据的方法、设备和通信系统 |
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US10623167B2 (en) * | 2017-03-29 | 2020-04-14 | Qualcomm Incorporated | Feedback processing techniques in wireless transmissions |
US11363623B2 (en) * | 2017-05-30 | 2022-06-14 | Lg Electronics Inc. | Method and user equipment for transmitting uplink data, and method and base station for receiving uplink data |
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EP4160962A4 (en) * | 2020-07-27 | 2023-06-28 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Information processing method, terminal device and network device |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101686116A (zh) * | 2008-09-23 | 2010-03-31 | 大唐移动通信设备有限公司 | 预留混合自动重传请求进程指示方法、系统及设备 |
WO2011040852A1 (en) * | 2009-09-30 | 2011-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Reconfiguration of active component carrier set in multi-carrier wireless systems |
CN102036427A (zh) * | 2009-09-25 | 2011-04-27 | 大唐移动通信设备有限公司 | 一种终端缓存器的划分方法和装置 |
WO2012059031A1 (zh) * | 2010-11-05 | 2012-05-10 | 中兴通讯股份有限公司 | 一种中继链路中子帧配置切换的方法 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101047431B (zh) | 2006-06-22 | 2011-02-02 | 华为技术有限公司 | 在含有中继站的通信系统中实现混合自动重传的方法 |
US8018916B2 (en) * | 2006-10-25 | 2011-09-13 | Intel Corporation | Techniques to couple HARQ-ARQ in wireless networks |
JP4583388B2 (ja) * | 2007-02-05 | 2010-11-17 | 株式会社エヌ・ティ・ティ・ドコモ | 基地局装置 |
KR100962037B1 (ko) * | 2007-03-14 | 2010-06-08 | 이노베이티브 소닉 리미티드 | 무선통신시스템에서 전송블록 크기를 설정하는 방법 및장치 |
US8068466B2 (en) * | 2007-07-20 | 2011-11-29 | Texas Instruments Incorporated | Transmission of multiple information elements in multiple channels |
CN101499889B (zh) * | 2008-02-03 | 2011-09-07 | 电信科学技术研究院 | 一种获取时分双工系统上下行时隙比例信息的方法及装置 |
WO2009116837A1 (en) * | 2008-03-21 | 2009-09-24 | Lg Electronics Inc. | Method of data communication in a wireless communication system |
KR20100139062A (ko) | 2008-03-24 | 2010-12-31 | 지티이 (유에스에이) 인크. | Lte/τdd 시스템에서의 다운링크/업링크 할당 비율의 동적 조정 및 시그널링 |
CN101741452B (zh) * | 2008-11-07 | 2013-09-25 | 华为技术有限公司 | 中继传输方法和网络节点 |
CN101754230B (zh) * | 2008-12-17 | 2012-09-05 | 华为技术有限公司 | 频分双工fdd系统中载波聚合方法及其装置 |
EP2380301A2 (en) * | 2008-12-18 | 2011-10-26 | Telefonaktiebolaget LM Ericsson (publ) | Dynamic harq buffer management |
CN101772073A (zh) * | 2009-01-05 | 2010-07-07 | 中兴通讯股份有限公司 | 基于时分双工系统的混合自动重传请求的实现方法和装置 |
WO2010120808A1 (en) * | 2009-04-13 | 2010-10-21 | Research In Motion Limited | System and method for semi-synchronous hybrid automatic repeat request |
CN102447546B (zh) * | 2010-09-30 | 2019-05-24 | 电信科学技术研究院 | 一种数据的传输方法和设备 |
JP2014502080A (ja) | 2010-11-05 | 2014-01-23 | ブラックベリー リミテッド | 搬送波集約のためのharqソフトビットバッファ区分化 |
JP5250061B2 (ja) | 2011-01-07 | 2013-07-31 | 株式会社エヌ・ティ・ティ・ドコモ | 通信制御方法、移動通信システム及び移動端末装置 |
US9515808B2 (en) * | 2011-07-26 | 2016-12-06 | Qualcomm Incorporated | Transmission of control information in a wireless network with carrier aggregation |
CN102263627B (zh) * | 2011-08-11 | 2017-12-19 | 中兴通讯股份有限公司 | 一种载波聚合配置方法及装置 |
CN103765807B (zh) | 2011-08-23 | 2016-11-16 | Lg电子株式会社 | 操作用于动态子帧变化的harq缓冲器的方法及其设备 |
CN103024820B (zh) | 2011-09-20 | 2018-03-23 | 北京三星通信技术研究有限公司 | 软缓存处理的方法及设备 |
CN103378956B (zh) | 2012-04-12 | 2019-03-01 | 北京三星通信技术研究有限公司 | Tdd系统的处理软缓存的方法及设备 |
CN104734821B (zh) * | 2013-12-19 | 2019-04-05 | 电信科学技术研究院 | 数据传输方法和装置 |
-
2012
- 2012-05-11 ES ES17184638T patent/ES2886679T3/es active Active
- 2012-05-11 EP EP17184638.9A patent/EP3309988B1/en active Active
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- 2017-05-09 US US15/590,381 patent/US10594446B2/en active Active
-
2019
- 2019-09-19 US US16/576,340 patent/US11075719B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101686116A (zh) * | 2008-09-23 | 2010-03-31 | 大唐移动通信设备有限公司 | 预留混合自动重传请求进程指示方法、系统及设备 |
CN102036427A (zh) * | 2009-09-25 | 2011-04-27 | 大唐移动通信设备有限公司 | 一种终端缓存器的划分方法和装置 |
WO2011040852A1 (en) * | 2009-09-30 | 2011-04-07 | Telefonaktiebolaget L M Ericsson (Publ) | Reconfiguration of active component carrier set in multi-carrier wireless systems |
WO2012059031A1 (zh) * | 2010-11-05 | 2012-05-10 | 中兴通讯股份有限公司 | 一种中继链路中子帧配置切换的方法 |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104640214A (zh) * | 2013-11-15 | 2015-05-20 | 华为技术有限公司 | 传输数据的方法、基站和用户设备 |
WO2015112731A3 (en) * | 2014-01-23 | 2015-11-12 | Qualcomm Incorporated | Coverage enhancements with carrier aggregation |
US10411838B2 (en) | 2014-01-23 | 2019-09-10 | Qualcomm Incorporated | Coverage enhancements with carrier aggregation |
CN107534537A (zh) * | 2015-03-09 | 2018-01-02 | 欧芬诺技术有限责任公司 | 载波聚合的调度请求 |
JP2018529257A (ja) * | 2015-08-06 | 2018-10-04 | クゥアルコム・インコーポレイテッドQualcomm Incorporated | フレキシブルな複信のための技法 |
US11005603B2 (en) | 2015-12-01 | 2021-05-11 | Telefonaktiebolaget Lm Ericsson (Publ) | Predictive acknowledgment feedback mechanism |
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US20200014497A1 (en) | 2020-01-09 |
CN107070608A (zh) | 2017-08-18 |
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RU2605472C2 (ru) | 2016-12-20 |
CN107070609B (zh) | 2021-01-29 |
CN103518345A (zh) | 2014-01-15 |
RU2014150030A (ru) | 2016-07-10 |
ES2886679T3 (es) | 2021-12-20 |
JP6034485B2 (ja) | 2016-11-30 |
CN107124254B (zh) | 2021-03-23 |
EP2840732A1 (en) | 2015-02-25 |
US11075719B2 (en) | 2021-07-27 |
EP2840732B1 (en) | 2017-09-27 |
CN107124254A (zh) | 2017-09-01 |
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