WO2014121687A1 - 一种通信处理方法及装置 - Google Patents
一种通信处理方法及装置 Download PDFInfo
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- WO2014121687A1 WO2014121687A1 PCT/CN2014/070916 CN2014070916W WO2014121687A1 WO 2014121687 A1 WO2014121687 A1 WO 2014121687A1 CN 2014070916 W CN2014070916 W CN 2014070916W WO 2014121687 A1 WO2014121687 A1 WO 2014121687A1
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- Prior art keywords
- time division
- division duplex
- downlink configuration
- uplink
- user equipment
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- 238000004891 communication Methods 0.000 title claims abstract description 13
- 230000005540 biological transmission Effects 0.000 claims abstract description 259
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- 238000003672 processing method Methods 0.000 claims description 20
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Classifications
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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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2643—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA]
- H04B7/2656—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile using time-division multiple access [TDMA] for structure of frame, burst
-
- 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
- H04L5/1469—Two-way operation using the same type of signal, i.e. duplex using time-sharing
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/16—Central resource management; Negotiation of resources or communication parameters, e.g. negotiating bandwidth or QoS [Quality of Service]
- H04W28/18—Negotiating wireless communication parameters
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
-
- 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
- H04L5/1438—Negotiation of transmission parameters prior to communication
-
- 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
- H04L5/18—Automatic changing of the traffic direction
Definitions
- the present application relates to the field of communications technologies, and in particular, to a communication processing method and apparatus. Background technique
- TDD Time Division Duplex
- 3G TD-SCDMA Time Division Duplex Code Division Multiple Access
- 4G TD-LTE Time Division Duplex Long Term Evolution
- a radio frame has a length of 10 ms and contains 10 subframes, which are special subframes and regular subframes, and each subframe is lms.
- the special subframe is divided into three slots: DwPTS (Downlink Pilot Slot), GP (Guard Period), and UpPTS (Uplink Pilot Slot).
- the regular subframe is further divided into an uplink subframe and a downlink subframe, which are respectively used for transmitting uplink/downlink control signaling and service data.
- the LTE TDD system defines a total of seven TDD UL (upstream) / DL (downlink) configurations as shown in Table 1.
- the subframe #0 and the subframe #5 and the DwPTS slot in the special subframe are always used as the downlink transmission; the subframe #2 and the UpPTS slot in the special subframe are always used.
- For uplink transmission; other subframes can be configured to be used for uplink transmission or downlink transmission as needed.
- D represents a downlink subframe
- S represents a special subframe
- U represents an uplink subframe
- TDD systems prior to LTE R11 typically employ static/semi-static TDD uplink/downlink configurations.
- Static TDD on / The usual practice of the downlink configuration is to determine the uplink/downlink ratio and keep it unchanged according to the cell type and the approximate service ratio in the network planning process.
- the specific process of the semi-static TDD configuration update is as follows: The UE (User Equipment, also called the terminal) first reads the paging message. If the paging message indicates that the system message is updated, the UE will read in the next system message modification period. Take the existing TDD configuration IE (TDD-config) in SIB 1 to obtain the updated TDD configuration.
- TDD-config Time Division Duplex
- LTE R1 1 introduces an eIMTA (Enmention to LTE TDD for DL-UL Interference Management and Traffic Adaptation) mechanism that supports dynamic TDD UL/DL configuration.
- eIMTA End to LTE TDD for DL-UL Interference Management and Traffic Adaptation
- Dynamic TDD UL/DL configuration changes can be based on cell changes or based on UE changes.
- the current possible TDD UL/DL configuration notification methods include the following:
- Method 1 can be further divided into the following three ways:
- Method 1.1 Introducing TDD UL/DL configuration notifications in the MIB (Master Information Block)
- the IE informs the UE of the updated TDD UL/DL configuration through the MIB, and forces the UE to read the MIB at least once in a kilos, which can be a TDD UL/DL configuration update period.
- Method 1.2 Reuse the R8 system message update process to notify the UE of the updated TDD UL/DL configuration through SIB 1 or MIB or other SIB.
- Method 1.3 Reuse the RIO ETWS (Earthquake and Tsunami Warning System) notification process, which first informs the TDD UL/DL configuration change via Paging, and then reads the new TDD in SIB 1
- the UL/DL configuration indication obtains the updated TDD UL/DL configuration.
- Method 2 RRC (Radio Resource Control) signaling, that is, the UE is notified of the changed TDD UL/DL configuration by RRC signaling.
- RRC Radio Resource Control
- Method 3 MAC (Media Access Control) signaling, that is, the MAC CE (Control Element, Control Unit) notifies the UE of the changed TDD UL/DL configuration.
- MAC Media Access Control
- Method 4 PDCCH (Physical Downlink Control Channel), that is, the PDCCH is used to notify the UE of the changed TDD UL/DL configuration.
- PDCCH Physical Downlink Control Channel
- TDD UL/DL minimum reconfiguration interval is shown in Table 2: TDD UL/DL change minimum interval
- the user equipment may receive two sets of TDD uplink/downlink configurations at the same time or in sequence.
- the prior art solution cannot determine each subframe for the user equipment.
- the direction of transmission The reason of the invention.
- the purpose of the present application is to provide a communication processing method and apparatus to solve the problem of how to determine the transmission direction of a subframe for a user equipment.
- a communication processing method includes:
- the user equipment reports the capability indication information to the network side device, where the capability indication information is used to indicate whether it supports the dynamic time division duplex uplink/downlink configuration;
- the user equipment supports the dynamic time division duplex uplink/downlink configuration, when receiving the time division duplex uplink/downlink configuration indication, selecting from the indicated time division duplex uplink/downlink configuration and the currently used time division duplex uplink/downlink configuration One set determines the transmission direction of each subframe according to the selected time division duplex uplink/downlink configuration.
- a communication processing method includes:
- the network side device determines whether it supports the dynamic time division duplex uplink/downlink configuration according to the capability indication information reported by the user equipment.
- the network side device sends the time division duplex uplink/downlink configuration indication to the user equipment, the indicated time division duplex uplink/downlink configuration and the A set of time division duplex uplink/downlink configurations currently used by the user equipment is selected, and the transmission direction of each subframe is determined for the user equipment according to the selected time division duplex uplink/downlink configuration.
- - User equipment including:
- the capability reporting module is configured to report capability indication information to the network side device, where the capability indication information is used to indicate whether the dynamic time division duplex uplink/downlink configuration is supported.
- Subframe transmission direction determining module if used to support dynamic time division duplex uplink/downlink configuration, when receiving time division duplex
- the uplink/downlink configuration indication selects one set from the indicated time division duplex uplink/downlink configuration and the currently used time division duplex uplink/downlink configuration, and determines the transmission direction of each subframe according to the selected time division duplex uplink/downlink configuration.
- a network side device including:
- the configuration mode support determining module is configured to determine, according to the capability indication information reported by the user equipment, whether the dynamic time division duplex uplink/downlink configuration is supported;
- a subframe transmission direction determining module configured to: if the user equipment supports the dynamic time division duplex uplink/downlink configuration, after sending the time division duplex uplink/downlink configuration indication to the user equipment, from the indicated time division duplex uplink/downlink configuration and A set of time division duplex uplink/downlink configurations currently used by the user equipment is selected, and the transmission direction of each subframe is determined for the user equipment according to the selected time division duplex uplink/downlink configuration.
- the user equipment supporting the dynamic time division duplex uplink/downlink configuration when receiving the time division duplex uplink/downlink configuration indication, the user equipment supporting the dynamic time division duplex uplink/downlink configuration, from the indicated time division duplex uplink/downlink configuration and the currently used time division duplex A time-division duplex uplink/downlink configuration is selected in the uplink/downlink configuration to determine the transmission direction of each subframe, which solves the problem that the prior art solution cannot determine the subframe transmission direction in this scenario.
- FIG. 1 is a schematic diagram of a frame structure of an LTE TDD system of the prior art
- FIG. 2 is a flowchart of a user equipment side communication processing method according to an embodiment of the present application
- FIG. 3 is a flowchart of a first type of user equipment side selection and saving TDD uplink/downlink configuration according to an embodiment of the present disclosure
- FIG. 4 is a second user interface side selection and saving TDD uplink/downlink configuration process according to an embodiment of the present disclosure
- Figure 5 is a flowchart of a network side device method according to an embodiment of the present application
- FIG. 6 is a flow chart of a network side selection and a TDD uplink/downlink configuration according to an embodiment of the present disclosure
- FIG. 7 is a flow chart of a network side second selection and a TDD uplink/downlink configuration according to an embodiment of the present application
- FIG. 8 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure
- FIG. 9 is a schematic structural diagram of a network side device according to an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of another user equipment according to an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of another network side device according to an embodiment of the present application. detailed description
- the UE reports the capability indication information to the network side device to indicate whether it supports the dynamic TDD uplink/downlink configuration; if supported, when receiving the TDD uplink/downlink configuration indication, the indicated TDD uplink/downlink configuration and Select one of the currently used TDD uplink/downlink configurations, and determine each subframe according to the selected TDD uplink/downlink configuration. Transmission direction.
- the network side device determines whether it supports the dynamic TDD uplink/downlink configuration according to the capability indication information reported by the UE; if the UE supports the dynamic TDD uplink/downlink configuration, when the TDD uplink/downlink configuration indication is sent, the indicated TDD uplink/downlink configuration and A set of TDD uplink/downlink configurations currently used by the UE is selected, and the transmission direction of each subframe is determined for the UE according to the selected TDD uplink/downlink configuration.
- the technical solution provided by the embodiment of the present application solves the problem that the user equipment supporting the dynamic TDD uplink/downlink configuration in the prior art cannot determine the subframe transmission direction when receiving the TDD uplink/downlink configuration indication.
- the communication processing method on the user equipment side provided by the embodiment of the present application is as shown in FIG. 2, and the specific implementation manner includes the following operations:
- Step 100 The UE reports the capability indication information to the network side device, where the capability indication information is used to indicate whether the dynamic TDD uplink/downlink configuration is supported.
- Step 110 If the UE supports the dynamic TDD uplink/downlink configuration, when receiving the TDD uplink/downlink configuration indication, select one set from the indicated TDD uplink/downlink configuration and the currently used TDD uplink/downlink configuration, according to the selected TDD.
- the /downlink configuration determines the direction of transmission for each subframe.
- the processing is performed according to the existing implementation manner, and details are not described herein again.
- the UE selects the TDD uplink/downlink configuration indicated by the above TDD uplink/downlink configuration indication.
- the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication or a static or semi-static TDD uplink/downlink configuration indication
- the uplink/downlink configuration indicated by the TDD uplink/downlink configuration indication is selected.
- the UE can save only one set of TDD uplink/downlink configuration, and after receiving the TDD uplink/downlink configuration indication, replace the indicated TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration.
- the saved TDD uplink/downlink configuration is the TDD uplink/downlink configuration currently used.
- the indicated TDD uplink/downlink configuration is selected and replaced with the saved TDD uplink/downlink configuration.
- the UE can also save two sets of TDD uplink/downlink configurations, one of which is a TDD uplink/downlink configuration of static or semi-static configuration, and the other set is a dynamically configured TDD uplink/downlink configuration. Then, the UE searches for the TDD uplink/downlink configuration saved by the UE in the same manner as the indicated TDD uplink/downlink configuration, and replaces the indicated TDD uplink/downlink configuration with the saved time division duplex uplink/downlink configuration.
- the TDD uplink/downlink configuration currently used by the UE is one set of the saved TDD uplink/downlink configuration. That is, after receiving the TDD uplink/downlink configuration indication, the indicated TDD uplink/downlink configuration is selected, and the saved TDD uplink/downlink configuration with the same configuration mode is replaced by the same.
- the configuration of the TDD uplink/downlink configuration may be static or semi-static configuration, or dynamic configuration.
- the configuration mode can be determined by the notification mode of the indication.
- the TDD uplink/downlink configuration indication sent by the system message specified by the existing LTE R8 standard indicates that the TDD uplink/downlink configuration is a static or semi-static configuration.
- the TDD uplink/downlink configuration indication sent by the agreed dynamic TDD uplink/downlink configuration notification mode indicates that the TDD uplink/downlink configuration is dynamically configured.
- the UE determines whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication. If yes, select the indicated TDD uplink/downlink configuration. Otherwise, select the currently used TDD uplink/downlink configuration.
- the UE may save only one set of TDD uplink/downlink configuration, and after determining whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication, and determining that it is a dynamic TDD uplink/downlink configuration indication, the indicated TDD
- the up/down configuration replaces the saved TDD uplink/downlink configuration.
- the UE only saves a set of TDD uplink/downlink configurations, and the saved TDD uplink/downlink configuration is the currently used TDD uplink/downlink configuration.
- Step 200 The UE that supports the dynamic TDD uplink/downlink configuration receives the TDD uplink/downlink configuration indication.
- Step 210 The UE determines whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication. If yes, go to step 220. Otherwise, step 230 is performed.
- Step 220 The UE selects the indicated TDD uplink/downlink configuration, and replaces the indicated TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration.
- Step 230 The UE selects the currently used TDD uplink/downlink configuration, and does not replace the indicated TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration.
- the UE can also save two sets of TDD uplink/downlink configurations, one of which is a static or semi-static configuration TDD uplink/downlink configuration, and the other is a dynamically configured TDD uplink/downlink configuration. Then, after determining whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication, and determining that the dynamic TDD uplink/downlink configuration indication is performed, the UE searches for the same configuration manner that the UE saves the indicated TDD uplink/downlink configuration. The TDD uplink/downlink configuration replaces the indicated TDD uplink/downlink configuration with the saved time division duplex uplink/downlink configuration.
- the TDD uplink/downlink configuration currently used by the UE is a set of saved TDD uplink/downlink configurations.
- Step 300 The UE supporting the dynamic TDD uplink/downlink configuration receives the TDD uplink/downlink configuration indication.
- Step 310 The UE determines whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication. If yes, go to step 320. Otherwise, go to step 330.
- Step 320 The UE selects the indicated TDD uplink/downlink configuration, and replaces the indicated TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration.
- Step 330 The UE selects the currently used TDD uplink/downlink configuration, and does not replace the indicated TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration.
- the corresponding selection method can be as follows:
- the UE can save only one set of TDD uplink/downlink configuration, and correspondingly, after receiving the TDD uplink/downlink configuration indication, replace the saved TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink configuration indication.
- the saved TDD uplink/downlink configuration is the TDD uplink/downlink configuration in use above.
- the UE can also save two sets of TDD uplink/downlink configurations, correspondingly, as indicated by the dynamic TDD up/down indication.
- the TDD uplink/downlink configuration replaces the saved TDD uplink/downlink configuration in the same configuration mode.
- the TDD uplink/downlink configuration indicated by the static or semi-static TDD uplink/downlink indication replaces the saved TDD uplink/downlink configuration.
- the TDD uplink/downlink configuration currently used by the UE is a set of saved TDD uplink/downlink configurations.
- the UE may save only one set of TDD uplink/downlink configurations, and correspondingly, after receiving the TDD uplink/downlink configuration indication, replace the TDD uplink/downlink configuration indicated by the static or semi-static TDD uplink/downlink configuration indication with the saved TDD/ Downstream configuration.
- the saved TDD uplink/downlink configuration is the TDD uplink/downlink configuration that is being used above.
- the TDD uplink/downlink configuration indication after receiving the TDD uplink/downlink configuration indication, select the TDD uplink/downlink configuration indicated by the static or semi-static TDD uplink/downlink configuration indication, and replace the saved TDD uplink/downlink configuration with it.
- the UE may also save two sets of TDD uplink/downlink configurations, and correspondingly, replace the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink indication with the TDD uplink/downlink configuration of the same configuration mode, which will be static or semi-static TDD.
- the TDD uplink/downlink configuration indicated by the downlink indication replaces the saved TDD uplink/downlink configuration of the same configuration mode.
- the TDD uplink/downlink configuration currently used by the UE is one of the saved TDD uplink/downlink configurations.
- the transmission direction determined in the foregoing manner may be different.
- the following embodiments of the present application exemplify the following data processing methods:
- the UE stops waiting on the subframe that carries the data to be transmitted. Transmission of transmitted data.
- the transmission direction of the subframe where the uplink or downlink SPS pre-configured resources of the UE are located is changed. That is, the foregoing subframe carrying the data to be transmitted is used for transmitting uplink or downlink SPS data, and the predetermined transmission direction of the subframe is different from the transmission direction determined according to the selected TDD uplink/downlink configuration, and is stopped on the corresponding subframe.
- Uplink or downlink SPS data transmission is used for transmitting uplink or downlink SPS data, and the predetermined transmission direction of the subframe is different from the transmission direction determined according to the selected TDD uplink/downlink configuration, and is stopped on the corresponding subframe.
- the following example shows the SPS.
- the downlink SPS resource configuration period is 20 ms.
- the SPS resource is transmitted on the subframe #3 of the even-numbered radio frame.
- an even-numbered radio frame such as SFN (system) is generated.
- Subframe #3 of frame number 6
- the transmission direction changes, and the downlink changes to the uplink. Then, the downlink SPS transmission is stopped in the subframe.
- stopping the downlink SPS transmission means stopping the reception of SPS resources in the corresponding subframe.
- stopping the uplink SPS transmission means stopping the SPS resource from occurring on the corresponding subframe.
- the downlink SPS service transmitted by the network side device through the dynamic scheduling mode may be received in other subframes or according to the network side device in other subframes.
- the dynamic scheduling sends the uplink SPS service. That is, on the subframe in which the selected TDD uplink/downlink configuration is the same as the SPS transmission direction, dynamic scheduling of data to be transmitted to the SPS is received.
- the specific data processing method can be pre-agreed with the network side or determined by the corresponding standard. Specifically, the subframe used by the PUSCH (Physical Uplink Shared Channel) of the UE to dynamically schedule/transform adaptive retransmission/synchronous retransmission is changed from uplink to downlink.
- the above The subframe to be transmitted is used for initial transmission or retransmission of the PUSCH, and the predetermined transmission direction of the subframe is selected according to the selected
- the transmission direction determined by the TDD uplink/downlink configuration is different, and the PUSCH transmission is stopped on the corresponding subframe.
- the PUSCH initial transmission if the TDD uplink/downlink configuration change causes the subframe at the initial transmission time to change from the uplink to the downlink, the PUSCH transmission of the subframe can be stopped.
- the UE behavior is as follows:
- the UE processes the UL grant (uplink grant) and saves the corresponding MAC PDU (Packet Data Unit) in the corresponding HARQ (Hybrid Automatic Repeat ReQuest) buffer (buffer), but does not perform uplink transmission.
- MAC PDU Packet Data Unit
- HARQ Hybrid Automatic Repeat ReQuest
- the PUSCH transmission of the subframe can be stopped.
- the UE behavior is as follows:
- the UL grant of the uplink retransmission is processed, but the uplink transmission is not performed.
- the HARQ process corresponding to the PUSCH required to be transmitted in the subframe is released.
- the subframe pair transmission direction of the PUCCH (Physical Layer Uplink Control Channel) and/or the SRS (Sounding Reference Signal) configured by the network device is configured by the TDD uplink/downlink configuration.
- the SRS and/or PUCCH are transmitted on.
- the RRC layer is notified to release the SRS and/or PUCCH configuration on the basis of stopping transmission of the SRS and/or PUCCH.
- the UE After determining the dynamic TDD uplink/downlink configuration and starting the dynamic TDD uplink/downlink configuration, the UE releases the uplink or downlink SPS resources.
- the dynamic TDD uplink/downlink configuration may be determined by receiving the indication information sent by the network side device, and the dynamic TDD uplink/downlink configuration may be started after receiving the TDD uplink/downlink configuration indication sent by the network side device.
- the SPS can continue to be used for uplink/downlink SPS.
- the transmission of data It can be transmitted according to the new SPS configuration on the network side or in the previous SPS configuration.
- a MAC PDU is transmitted through a continuous N TTI (Transmission Time Interval), and the transmissions are treated as a bundled transmission.
- TTI Transmission Time Interval
- Each TTI can use the same or different redundancy versions.
- the BQ of the Bundle is determined by the last TTI of the Bundle.
- the Bundle is retransmitted in the form of a Bundle.
- the retransmission time is determined according to a TTI of the Bundle. If the first TTI is n, the Bundle retransmission time is n. +2*HARQ RTT (Round-Trip Time), HARQ RTT is determined according to the duplex mode and the TDD uplink/downlink configuration.
- TTI bundling is only available for TDD up/down configuration 0/1/6.
- the indicated TDD uplink/downlink configuration is TDD up/down configuration 0, or 1, or 6.
- the communication processing method of the network side device provided by the embodiment of the present application is as shown in FIG. 5, and the specific implementation manner thereof includes the following operations:
- Step 400 The network side device determines, according to the capability indication information reported by the UE, whether it supports the dynamic time division duplex uplink/downlink configuration.
- Step 410 If the UE supports the dynamic TDD uplink/downlink configuration, after the network side device sends the TDD uplink/downlink configuration indication to the UE, select one of the indicated TDD uplink/downlink configuration and the TDD uplink/downlink configuration currently used by the UE. The set determines the transmission direction of each subframe for the UE according to the selected TDD uplink/downlink configuration.
- the network side device determines whether the indicated TDD uplink/downlink configuration is on the dynamic TDD. / downlink configuration; if yes, determining, according to the TDD uplink/downlink configuration currently used by the UE, the transmission direction of each subframe for the UE; otherwise, determining, according to the indicated TDD uplink/downlink configuration, the transmission direction of each subframe for the UE, And the indicated TDD uplink/downlink configuration replaces the TDD uplink/downlink configuration currently used by the UE.
- the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication or a static or semi-static TDD uplink/downlink configuration indication
- the uplink/downlink configuration indicated by the TDD uplink/downlink configuration indication is selected.
- the TDD uplink/downlink configuration of the UE may be saved only after the TDD uplink/downlink configuration indication is sent, and the TDD uplink/downlink configuration indicated by the network is replaced by the TDD uplink/downlink configuration of the UE saved in the network.
- the TDD uplink/downlink configuration of the UE saved by the network is the TDD uplink/downlink configuration currently used by the UE. That is, after transmitting the TDD uplink/downlink configuration indication, the indicated TDD uplink/downlink configuration is selected, and the TDD uplink/downlink configuration of the saved UE is replaced by it.
- the TDD uplink/downlink configuration of two sets of UEs one of which is a static or semi-static configuration TDD uplink/downlink configuration, and the other set is a dynamically configured TDD uplink/downlink configuration.
- the TDD uplink/downlink configuration of the UE that is configured in the network is the same as that of the TDD uplink/downlink configuration indication, and the TDD uplink/downlink configuration of the saved UE is replaced with the TDD uplink/downlink configuration of the saved UE.
- the TDD uplink/downlink configuration currently used by the UE is a set of the saved TDD uplink/downlink configuration of the UE.
- the TDD uplink/downlink configuration indication is sent, the indicated TDD uplink/downlink configuration is selected, and the TDD uplink/downlink configuration of the UE with the same configuration mode is replaced.
- the network side device determines whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication. If yes, select the indicated TDD uplink/downlink configuration. Otherwise, select the TDD uplink/downlink configuration currently used by the UE.
- the network can save only one set of TDD uplink/downlink configuration. After determining whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication, and determining that it is a dynamic TDD uplink/downlink configuration indication, the network side device will indicate The TDD uplink/downlink configuration replaces the saved TDD uplink/downlink configuration of the UE.
- Step 500 Send a TDD uplink/downlink configuration indication to the UE that supports the dynamic TDD uplink/downlink configuration.
- Step 510 Determine whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication. If yes, go to step 220. Otherwise, Go to step 230.
- Step 520 Select the indicated TDD uplink/downlink configuration, and replace the indicated TDD uplink/downlink configuration with the saved
- Step 530 Select a TDD uplink/downlink configuration currently used by the UE, and do not replace the indicated TDD uplink/downlink configuration with the TDD uplink/downlink configuration of the saved UE.
- the network can also save two sets of TDD uplink/downlink configurations, one of which is a static or semi-static configuration of TDD up/down configuration, and the other is a dynamically configured TDD up/down configuration. Then, after determining whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication, and determining that the dynamic TDD uplink/downlink configuration indication is performed, the network side device searches for the configuration manner of the network saved and the indicated TDD uplink/downlink configuration. The same TDD uplink/downlink configuration replaces the indicated TDD uplink/downlink configuration with the saved time division duplex uplink/downlink configuration.
- the TDD uplink/downlink configuration currently used by the UE is one set of TDD uplink/downlink configurations saved by the network.
- Step 600 Send a TDD uplink/downlink configuration indication to a UE that supports dynamic TDD uplink/downlink configuration.
- Step 610 Determine whether the TDD uplink/downlink configuration indication is a dynamic TDD uplink/downlink configuration indication. If yes, go to step 620. Otherwise, go to step 630.
- Step 620 Select the TDD uplink/downlink configuration indicated by the UE, and replace the indicated TDD uplink/downlink configuration with the saved TDD uplink/downlink configuration.
- Step 630 Select a TDD uplink/downlink configuration currently used by the UE, and do not replace the indicated TDD uplink/downlink configuration with the TDD uplink/downlink configuration of the saved UE.
- the corresponding selection method can be as follows:
- the network side device selects the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink configuration indication.
- the network may save only one set of TDD uplink/downlink configurations of the UE, and correspondingly, after transmitting the TDD uplink/downlink configuration indication, replace the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink configuration indication with the TDD of the UE saved by the network. Up/down configuration.
- the TDD uplink/downlink configuration of the saved UE is the TDD uplink/downlink configuration that the UE is using.
- the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink configuration indication is selected, and the TDD uplink/downlink configuration of the saved UE is replaced by the TDD uplink/downlink configuration.
- the network can also save the TDD uplink/downlink configuration of the two sets of UEs.
- the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink indication replaces the saved TDD uplink/downlink configuration of the same configuration mode of the UE, which will be static or
- the TDD uplink/downlink configuration indicated by the semi-static TDD uplink/downlink indication replaces the TDD uplink/downlink configuration of the same configuration mode of the UE saved by the network.
- the TDD uplink/downlink configuration currently used by the UE is one set of the TDD uplink/downlink configuration of the UE saved by the network.
- the TDD uplink/downlink configuration and replaces the TDD uplink/downlink configuration of the UE with the same configuration.
- the corresponding selection method can also be as follows:
- the network side device selects the TDD uplink/downlink configuration indicated by the static or semi-static TDD uplink/downlink configuration indication.
- the network may save only one set of TDD uplink/downlink configurations of the UE, and correspondingly, after transmitting the TDD uplink/downlink configuration indication, replace the TDD uplink/downlink configuration indicated by the static TDD uplink/downlink configuration indication with the TDD of the UE saved by the network. Up/down configuration.
- the TDD uplink/downlink configuration of the saved UE is the TDD uplink/downlink configuration that the UE is using.
- the network can also save the TDD uplink/downlink configuration of the two sets of UEs.
- the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink indication replaces the saved TDD uplink/downlink configuration of the same configuration mode of the UE, which will be static or
- the TDD uplink/downlink configuration indicated by the semi-static TDD uplink/downlink indication replaces the TDD uplink/downlink configuration of the same configuration mode of the UE saved by the network.
- the TDD uplink/downlink configuration currently used by the UE is one set of the TDD uplink/downlink configuration of the UE saved by the network.
- the TDD uplink/downlink configuration indicated by the dynamic TDD uplink/downlink configuration indication is selected, and the TDD uplink/downlink configuration of the saved UE with the same configuration mode is replaced by the TDD uplink/downlink configuration.
- the transmission direction determined in the foregoing manner is different, the transmission direction is determined in the above manner.
- the following embodiments of the present application exemplify the following data processing methods:
- the transmission direction of the subframe that carries the data to be transmitted that is determined in advance for the user equipment is different from the transmission direction that is determined by the UE according to the selected TDD uplink/downlink configuration, the child that carries the data to be transmitted The transmission of the data to be transmitted is stopped on the frame.
- the transmission direction of the subframe where the uplink or downlink SPS pre-configured resource of the UE is located is changed. That is, the subframe carrying the data to be transmitted is used for transmitting uplink or downlink SPS data, and the predetermined transmission direction of the subframe is different from the transmission direction determined according to the selected TDD uplink/downlink configuration, and is stopped on the corresponding subframe.
- Uplink or downlink SPS data transmission is performed.
- the following example shows the SPS.
- the downlink SPS resource configuration period is 20 ms.
- the SPS resource is transmitted on the subframe #3 of the even-numbered radio frame.
- an even-numbered radio frame (such as the system frame number) is generated.
- Subframe #3 (SFN) 6)
- the transmission direction changes, and the downlink changes to the uplink. Then, the downlink SPS transmission is stopped in the subframe.
- stopping the downlink SPS transmission means stopping the SPS resource from being sent on the corresponding subframe.
- stopping the uplink SPS transmission means stopping the reception of SPS resources on the corresponding subframe.
- the downlink SPS service transmitted in the dynamic scheduling manner on other subframes or the uplink SPS service according to the dynamic scheduling in other subframes may be received. That is, selecting the same subframe as the SPS transmission direction on the selected TDD uplink/downlink configuration, and dynamically scheduling the data to be transmitted by the SPS.
- the specific data processing method can be pre-agreed with the user equipment side or determined by the corresponding standard. Specifically, when the UE dynamically schedules PUSCH initial transmission/synchronous adaptive retransmission/synchronization non-adaptive retransmission The subframe changes from uplink to downlink. That is, the foregoing subframe carrying the data to be transmitted is used for initial transmission or retransmission of the PUSCH, and the predetermined transmission direction of the subframe is different from the transmission direction determined according to the selected TDD uplink/downlink configuration, and is stopped in the corresponding subframe. PUSCH transmission.
- the stopping PUSCH transmission specifically means stopping receiving the PUSCH.
- the HARQ process corresponding to the PUSCH required to be transmitted in the subframe is released.
- the subframes carrying the PUCCH and/or the SRS are changed from the uplink to the downlink due to the TDD uplink/downlink configuration change. That is, the subframe carrying the data to be transmitted is used to transmit the SRS and/or the PUCCH, and the predetermined transmission direction of the subframe is different from the transmission direction determined according to the selected TDD uplink/downlink configuration, and stops in the corresponding subframe.
- the SRS and/or PUCCH are transmitted on.
- stopping transmission of the SRS and/or PUCCH on the corresponding subframe means stopping receiving the SRS and/or the PUCCH. Further, the RRC layer is notified to release the SR and/or PUCCH configuration on the basis of stopping transmission of the SRS and/or PUCCH.
- the uplink/downlink SPS resources are released.
- the dynamic TDD uplink/downlink configuration may be determined by sending the indication information, and the dynamic TDD uplink/downlink configuration may be determined after the TDD uplink/downlink configuration indication is sent.
- the SPS may be further used to schedule the UE to perform uplink/downlink SPS data transmission. It can be transmitted according to the new SPS configuration on the network side or in the previous SPS configuration.
- the TDD uplink/downlink configuration selected when the dynamic TDD uplink/downlink configuration is used is required to ensure that the PRACH/PUCCH is configured.
- the transmission direction of the /SRS subframe is unchanged.
- the SPS is configured in a certain subframe, it is not allowed to change the transmission direction of the subframe.
- Data processing method four A subframe in which the transmission direction is fixed is determined, and an uplink/downlink SPS configuration, a PUCCH resource configuration, a PRACH, and/or an SRS resource configuration are performed on a subframe in which the transmission direction is fixed.
- the PRACH/PUCCH/SRS is only placed in the UL subframe in which the transmission direction does not change the transmission direction.
- Configure the SPS only on subframes that do not change the direction of transmission An example is as follows: Assume that the cell dynamics TDD uplink/downlink configuration does not allow changing the transmission direction of the subframe set to ⁇ #0, #1, #2, #5, #9 ⁇ , then once the cell or
- the UE supports dynamic TDD uplink/downlink configuration or dynamic TDD configuration, then the uplink or downlink SPS is only allowed to be configured on the subframes in the set.
- the subframe with a fixed transmission direction may be a subframe with a fixed transmission direction in the existing TDD uplink/downlink configuration 0 to 6, or a subframe whose transmission direction is unchanged by a convention.
- the indicated TDD uplink/downlink configuration is TDD up/down configuration 0, or 1, or 6.
- the embodiment of the present application further provides a user equipment, and the structure thereof is as shown in FIG. 8.
- the specific implementation structure is as follows:
- the capability reporting module 801 is configured to report capability indication information to the network side device, where the capability indication information is used to indicate whether the dynamic time division duplex uplink/downlink configuration is supported.
- the subframe transmission direction determining module 802 is configured to: when the dynamic time division duplex uplink/downlink configuration is supported, when receiving the time division duplex uplink/downlink configuration indication, from the indicated time division duplex uplink/downlink configuration and the currently used time division duplex A set is selected in the uplink/downlink configuration, and the transmission direction of each subframe is determined according to the selected time division duplex uplink/downlink configuration.
- the subframe transmission direction determining module 801 is specifically Used for:
- the subframe transmission direction determining module 801 is further configured to:
- the time-division duplex uplink/downlink configuration of the user equipment is replaced with the time-division duplex uplink/downlink configuration saved by the user equipment; or the time-division duplex uplink/downlink configured by the user equipment is configured in the same manner as the time division duplex uplink/downlink configuration indication. Configure to replace the saved time division duplex uplink/downlink configuration with the saved time division duplex uplink/downlink configuration.
- the subframe transmission direction determining module 801 is specifically Used for:
- the subframe transmission direction determining module 801 is further configured to:
- the indicated time division duplex uplink/downlink configuration is replaced with the time division duplex uplink/downlink configuration saved by the user equipment;
- the time division duplex uplink/downlink configuration saved by the user equipment and configured in the same manner as the indicated time division duplex uplink/downlink configuration is searched, and the indicated time division duplex uplink/downlink configuration is indicated. Replace the saved time division duplex up/down configuration.
- the subframe transmission direction determining module 801 is specifically configured to:
- the subframe transmission direction determining module 801 is specifically configured to: replace the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink configuration indication with the time division duplex saved by the user equipment. Up/down configuration; or,
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink indication replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment, and is indicated by the static or semi-static time division duplex up/down indication.
- the time division duplex uplink/downlink configuration replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment.
- the subframe transmission direction determining module 801 is specifically configured to:
- the time-division duplex uplink/downlink configuration indicated by the static/semi-static time-division duplex uplink/downlink configuration indication is selected; the time-division duplex uplink/downlink configuration indication is received, and the subframe transmission direction determining module 801 is specifically configured to: The time division duplex uplink/downlink configuration indicated by the static time division duplex uplink/downlink configuration indication replaces the time division duplex uplink/downlink configuration saved by the user equipment; or
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink indication replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment, and is indicated by the static or semi-static time division duplex up/down indication.
- the time division duplex uplink/downlink configuration replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment.
- the user equipment provided by the embodiment of the present application may also perform data transmission processing, and the specific implementation manner thereof. It can be implemented by any of the following data processing modules.
- the user equipment may further include a first data processing module, configured to: stop the transmission of the data to be transmitted on the subframe that carries the data to be transmitted.
- the first data processing module can also be used to:
- the subframe carrying the data to be transmitted is used for transmitting uplink or downlink semi-persistent scheduling data, releasing uplink or downlink semi-persistent scheduling resources;
- the hybrid automatic request retransmission process corresponding to the physical layer uplink shared channel that needs to be transmitted in the subframe is released;
- the RRC layer is notified to release the sounding reference symbol and/or the physical uplink control channel configuration.
- the user equipment may further include a second data processing module, configured to:
- the dynamic scheduling of the data to be transmitted for the semi-persistent scheduling is received on the selected subframe in which the time division duplex uplink/downlink configuration is the same as the semi-persistent scheduling transmission direction.
- the user equipment may further include a third data processing module for:
- the embodiment of the present application further provides a network side device, and its structure is shown in FIG. 9.
- the specific implementation structure is as follows:
- the configuration mode support determining module 901 is configured to determine, according to the capability indication information reported by the user equipment, whether the dynamic time division duplex uplink/downlink configuration is supported.
- the sub-frame transmission direction determining module 902 is configured to: if the user equipment supports the dynamic time division duplex uplink/downlink configuration, after transmitting the time division duplex uplink/downlink configuration indication to the user equipment, from the indicated time division duplex uplink/downlink configuration and the user A set of time division duplex uplink/downlink configurations currently used by the device is selected, and the transmission direction of each subframe is determined for the user equipment according to the selected time division duplex uplink/downlink configuration.
- the subframe transmission direction determining module 901 is specifically configured. Used for:
- the subframe transmission direction determining module 901 is further configured to:
- the time division duplex uplink/downlink configuration of the user equipment that is configured in the same manner as the time division duplex uplink/downlink configuration indication is saved, and the time division duplex uplink/downlink configuration indicated is replaced with the time division duplex of the saved user equipment. Downstream configuration.
- the subframe transmission direction determining module 501 is specifically Used for:
- the subframe transmission direction determining module 901 is further configured to:
- the indicated time division duplex uplink/downlink configuration is replaced with the time division duplex uplink/downlink configuration of the user equipment saved in the network;
- the time division duplex uplink/downlink configuration of the user equipment that is configured in the same manner as the indicated time division duplex uplink/downlink configuration is saved, and the indicated time division duplex uplink/downlink configuration is indicated. Replace the time division duplex up/down configuration of the saved user equipment.
- the subframe transmission direction determining module 901 is specifically configured to:
- the subframe transmission direction determining module 901 is further configured to:
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink configuration indication is replaced with the time division duplex uplink/downlink configuration of the user equipment saved by the network;
- the time division duplex uplink/downlink configuration of the same configuration mode of the user equipment saved in the network is replaced by the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink indication, and the static or semi-static time division duplex uplink/downlink indication is performed.
- the indicated time division duplex uplink/downlink configuration replaces the time division duplex up/down configuration of the same configuration mode of the user equipment saved by the network.
- the subframe transmission direction determining module 901 is specifically configured to:
- the time-division duplex uplink/downlink configuration indicated by the static/semi-static time-division duplex uplink/downlink configuration indication is selected.
- the subframe transmission direction determining module 901 is further configured to:
- the time-division duplex uplink/downlink configuration of the user equipment saved by the network is replaced by the time-division duplex uplink/downlink configuration indicated by the static or semi-static time division duplex uplink/downlink configuration indication; or
- the time division duplex uplink/downlink configuration of the same configuration mode of the saved user equipment is replaced by the time division duplex uplink/downlink configuration network indicated by the dynamic time division duplex uplink/downlink indication, and the static or semi-static time division duplex uplink/downlink indication is to be performed.
- the indicated time division duplex uplink/downlink configuration replaces the time division duplex up/down configuration of the same configuration mode of the user equipment saved by the network.
- the subframe transmission direction determining module 901 is further configured to: after transmitting the time division duplex uplink/downlink configuration indication, determine whether the indicated time division duplex uplink/downlink configuration is For dynamic time division duplex up/down configuration;
- the network side device provided by the embodiment of the present application may further perform data transmission processing, in order to solve the problem that the selected subframe transmission direction is different from the predetermined transmission direction.
- the implementation can be implemented by any of the following data processing modules.
- the network side device may further include a fourth data processing module, if the transmission direction of the subframe that is to be transmitted by the user equipment is different from the transmission direction determined by the user equipment according to the selected time division duplex uplink/downlink configuration, Used for:
- the transmission of the data to be transmitted is stopped on the subframe carrying the data to be transmitted.
- fourth data processing module can also be used to:
- the subframe carrying the data to be transmitted is used for transmitting uplink or downlink semi-persistent scheduling data, releasing uplink or downlink semi-persistent scheduling resources;
- the hybrid automatic request retransmission process corresponding to the physical layer uplink shared channel that needs to be transmitted in the subframe is released;
- the RRC layer is notified to release the sounding reference symbol and/or the physical uplink control channel configuration.
- the network side device may further include a fifth data processing module, configured to:
- the data to be transmitted by the semi-persistent scheduling is dynamically scheduled on the selected time division duplex uplink/downlink configuration by selecting the same subframe as the semi-persistent scheduling transmission direction.
- the network side device may further include a sixth data processing module, configured to:
- the network side device may further include a seventh data processing module, configured to: Obtaining a predetermined transmission direction of a subframe that carries data to be transmitted;
- the time division duplex up/down configuration is selected in the same direction as the predetermined transmission direction, and the selected time division duplex up/down configuration is the time division duplex up/down configuration indicated by the time division duplex up/down indication.
- the network side device may further include an eighth data processing module, configured to:
- the uplink/downlink semi-persistent scheduling configuration, the configuration of the uplink control channel resources, the configuration of the PRACH resources, and/or the configuration of the sounding reference symbol resources are performed on the subframes in which the transmission direction is fixed.
- the network side device in this embodiment of the present application may be, but is not limited to, a base station.
- the embodiment of the present application further provides another user equipment, and its structure is shown in FIG. 10, and the specific implementation structure is as follows:
- the processor 1000 is configured to send, by the transceiver 1010, the capability indication information to the network side device, where the capability indication information is used to indicate whether the dynamic time division duplex uplink/downlink configuration is supported; if the dynamic time division duplex uplink/downlink configuration is supported When receiving the time division duplex uplink/downlink configuration indication, selecting one set from the indicated time division duplex uplink/downlink configuration and the currently used time division duplex uplink/downlink configuration, and determining according to the selected time division duplex uplink/downlink configuration.
- the transmission direction of each subframe; the transceiver 1010 is configured to receive and transmit data under the control of the processor 1000.
- the processor 1000 is specifically configured to:
- the processor 1000 is further configured to:
- the time-division duplex uplink/downlink configuration of the user equipment is replaced with the time-division duplex uplink/downlink configuration saved by the user equipment; or the time-division duplex uplink/downlink configured by the user equipment is configured in the same manner as the time division duplex uplink/downlink configuration indication. Configure to replace the saved time division duplex uplink/downlink configuration with the saved time division duplex uplink/downlink configuration.
- the processor 1000 is specifically configured to:
- time division duplex uplink/downlink configuration indication is a dynamic time division duplex uplink/downlink configuration indication, and if yes, select the indicated time division duplex uplink/downlink configuration; otherwise, select the currently used time division duplex uplink/downlink configuration;
- the processor 1000 After determining whether the time division duplex uplink/downlink configuration indication is a dynamic time division duplex uplink/downlink configuration indication, the processor 1000 is further configured to:
- the indicated time division duplex uplink/downlink configuration is replaced with the user equipment. Saved time division duplex up/down configuration; or,
- the time division duplex uplink/downlink configuration saved by the user equipment and configured in the same manner as the indicated time division duplex uplink/downlink configuration is searched, and the indicated time division duplex uplink/downlink configuration is indicated. Replace the saved time division duplex up/down configuration.
- the processor 1000 is specifically configured to:
- the processor 1000 is specifically configured to:
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink configuration indication is replaced with the time division duplex uplink/downlink configuration saved by the user equipment;
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink indication replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment, and is indicated by the static or semi-static time division duplex up/down indication.
- the time division duplex uplink/downlink configuration replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment.
- the processor 1000 is specifically configured to:
- the time-division duplex uplink/downlink configuration indicated by the static/semi-static time-division duplex uplink/downlink configuration indication is selected; the time-division duplex uplink/downlink configuration indication is received, and the processor 1000 is specifically configured to:
- the time division duplex uplink/downlink configuration indicated by the static or semi-static time division duplex uplink/downlink configuration indication is replaced with the time division duplex uplink/downlink configuration saved by the user equipment;
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink indication replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment, and is indicated by the static or semi-static time division duplex up/down indication.
- the time division duplex uplink/downlink configuration replaces the time division duplex uplink/downlink configuration of the same configuration mode saved by the user equipment.
- the user equipment provided by the embodiment of the present application may also perform data transmission processing, and the specific implementation manner thereof. It can be implemented by any of the following data processing modules.
- the processor 1000 is further configured to:
- the transmission of the data to be transmitted is stopped on the subframe carrying the data to be transmitted.
- processor 1000 can also be used to: If the subframe carrying the data to be transmitted is used to transmit uplink or downlink semi-persistent scheduling data, release uplink or downlink semi-persistent scheduling resources;
- the hybrid automatic request retransmission process corresponding to the physical layer uplink shared channel that needs to be transmitted in the subframe is released;
- the RRC layer is notified to release the sounding reference symbol and/or the physical uplink control channel configuration.
- the processor 1000 is further configured to:
- the dynamic scheduling of the data to be transmitted for the semi-persistent scheduling is received on the selected subframe in which the time division duplex uplink/downlink configuration is the same as the semi-persistent scheduling transmission direction.
- processor 1000 is also used to:
- the bus architecture can include any number of interconnected buses and bridges, specifically linked by various circuits of the processor 1000 memory.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- the transceiver 1010 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on the transport interface.
- the user interface 1030 may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
- the processor 1000 is responsible for managing the bus architecture and the usual processing, and the memory 1020 can store data used by the processor 1000 in performing operations.
- the embodiment of the present application further provides another network side device, and the structure thereof is as shown in FIG. 11.
- the specific implementation structure is as follows:
- the processor 1100 is configured to determine, according to the capability indication information reported by the user equipment, whether the dynamic time division duplex is supported.
- the user equipment supports the dynamic time division duplex uplink/downlink configuration, after transmitting the time division duplex uplink/downlink configuration indication to the user equipment through the transceiver 1110, the indicated time division duplex uplink/downlink configuration and the current user equipment current Selecting one of the time division duplex uplink/downlink configurations to determine the transmission direction of each subframe for the user equipment according to the selected time division duplex uplink/downlink configuration;
- the transceiver 1110 is configured to receive and transmit data under the control of the processor 1100.
- the specific implementation manner of the processor 1100 may refer to the description of the method embodiment. As mentioned, it will not be repeated here.
- the processor 1100 is specifically configured to:
- the processor 1100 After transmitting the time division duplex up/down configuration indication, the processor 1100 is further configured to:
- the indicated time division duplex up/down configuration replaces the time division duplex up/down configuration of the user equipment saved by the network;
- the time division duplex uplink/downlink configuration of the user equipment that is configured in the same manner as the time division duplex uplink/downlink configuration indication is saved, and the time division duplex uplink/downlink configuration indicated is replaced with the time division duplex of the saved user equipment. Downstream configuration.
- the processor 1100 is specifically configured to:
- the processor 1100 is further configured to:
- the indicated time division duplex uplink/downlink configuration is replaced with the time division duplex uplink/downlink configuration of the user equipment saved in the network;
- the time division duplex uplink/downlink configuration of the user equipment that is configured in the same manner as the indicated time division duplex uplink/downlink configuration is saved, and the indicated time division duplex uplink/downlink configuration is indicated. Replace the time division duplex up/down configuration of the saved user equipment.
- the subframe transmission direction determining module 901 is specifically configured to:
- the processor 1100 After transmitting the time division duplex up/down configuration indication, the processor 1100 is further configured to:
- the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink configuration indication is replaced with the time division duplex uplink/downlink configuration of the user equipment saved by the network;
- the time division duplex uplink/downlink configuration of the same configuration mode of the user equipment saved in the network is replaced by the time division duplex uplink/downlink configuration indicated by the dynamic time division duplex uplink/downlink indication, and the static or semi-static time division duplex uplink/downlink indication is performed.
- the indicated time division duplex uplink/downlink configuration replaces the time division duplex up/down configuration of the same configuration mode of the user equipment saved by the network.
- the processor 1100 is specifically configured to:
- the static/semi-static time division duplex uplink/downlink configuration indication is selected to indicate the time division duplex uplink/downlink configuration; after the time division duplex uplink/downlink configuration indication is sent, the processor 1100 is further configured to:
- the time division duplex uplink/downlink configuration of the user equipment saved by the network is replaced by the time division duplex uplink/downlink configuration indicated by the static or semi-static time division duplex uplink/downlink configuration indication; or
- the time division duplex uplink/downlink configuration of the same configuration mode of the saved user equipment is replaced by the time division duplex uplink/downlink configuration network indicated by the dynamic time division duplex uplink/downlink indication, and the static or semi-static time division duplex uplink/downlink indication is to be performed.
- the indicated time division duplex uplink/downlink configuration replaces the time division duplex up/down configuration of the same configuration mode of the user equipment saved by the network.
- the processor 1100 is further configured to:
- time division duplex uplink/downlink configuration indication After transmitting the time division duplex uplink/downlink configuration indication, determining whether the indicated time division duplex uplink/downlink configuration is a dynamic time division duplex uplink/downlink configuration;
- the network side device provided by the embodiment of the present application may further perform data transmission processing, in order to solve the problem that the selected subframe transmission direction is different from the predetermined transmission direction.
- the implementation can be achieved by the following.
- the processor 1100 is further configured to: if the transmission direction of the subframe that carries the data to be transmitted determined in advance for the user equipment is different from the transmission direction determined by the user equipment according to the selected time division duplex uplink/downlink configuration, the processor 1100 is further configured to:
- the transmission of the data to be transmitted is stopped on the subframe carrying the data to be transmitted.
- processor 1100 can also be used to:
- the subframe carrying the data to be transmitted is used for transmitting uplink or downlink semi-persistent scheduling data, releasing uplink or downlink semi-persistent scheduling resources;
- the hybrid automatic request retransmission process corresponding to the physical layer uplink shared channel that needs to be transmitted in the subframe is released;
- the RRC layer is notified to release the sounding reference symbol and/or the physical uplink control channel configuration.
- the processor 1100 is further configured to:
- the processor 1100 is further configured to:
- the processor 1100 is also used to:
- the time division duplex up/down configuration is selected in the same direction as the predetermined transmission direction, and the selected time division duplex up/down configuration is the time division duplex up/down configuration indicated by the time division duplex up/down indication.
- the processor 1100 is also used to:
- uplink/downlink semi-persistent scheduling configuration configuration of uplink control channel resources, and configuration of uplink control channel resources in a subframe with a fixed transmission direction
- the various circuits of the reservoir are linked together.
- the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
- the bus interface provides an interface.
- the transceiver 1110 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices over the transport interface.
- the processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 can store data used by the processor 1100 in performing operations.
- the processor 1100 is responsible for managing the bus architecture and general processing, and the memory 1120 can store data used by the processor 1100 in performing operations.
- embodiments of the present application can be provided as a method, system, or computer program product.
- the application can be in the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware.
- the application can be in the form of a computer program product embodied on one or more computer-usable storage interfaces (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer usable program code.
- the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
- the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
- These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.
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Abstract
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US14/764,735 US9876627B2 (en) | 2013-02-05 | 2014-01-20 | Method and device for communication processing |
KR1020157023871A KR101700234B1 (ko) | 2013-02-05 | 2014-01-20 | 통신 처리 방법 및 장치 |
EP14748790.4A EP2955966B1 (en) | 2013-02-05 | 2014-01-20 | Method and device for communication processing |
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US20150372798A1 (en) | 2015-12-24 |
KR101700234B1 (ko) | 2017-01-26 |
KR20150113187A (ko) | 2015-10-07 |
JP2016510560A (ja) | 2016-04-07 |
JP6193403B2 (ja) | 2017-09-06 |
EP2955966A1 (en) | 2015-12-16 |
EP2955966B1 (en) | 2019-01-09 |
CN103974422A (zh) | 2014-08-06 |
US9876627B2 (en) | 2018-01-23 |
EP2955966A4 (en) | 2016-01-06 |
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