WO2017041276A1 - 一种数据传输方法、终端及ran设备 - Google Patents
一种数据传输方法、终端及ran设备 Download PDFInfo
- Publication number
- WO2017041276A1 WO2017041276A1 PCT/CN2015/089394 CN2015089394W WO2017041276A1 WO 2017041276 A1 WO2017041276 A1 WO 2017041276A1 CN 2015089394 W CN2015089394 W CN 2015089394W WO 2017041276 A1 WO2017041276 A1 WO 2017041276A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- data
- terminal
- retransmission
- activation time
- authorization
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
-
- 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
- H04L1/1854—Scheduling and prioritising arrangements
-
- 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]
-
- 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
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W28/00—Network traffic management; Network resource management
- H04W28/02—Traffic management, e.g. flow control or congestion control
- H04W28/0278—Traffic management, e.g. flow control or congestion control using buffer status reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to the field of communications technologies, and in particular, to a data transmission method, a terminal, and a RAN device.
- DRX discontinuous reception
- the data stream of a packet is usually bursty, with data transmission for a period of time, but no data transmission for the next period of time.
- the DRX technology configures a DRX cycle. As shown in FIG. 1 , the DRX cycle includes two time segments: an On Duration (OD) and an Opportunity for DRX.
- OD On Duration
- Opportunity Opportunity for DRX.
- the terminal and the radio access network (RAN) device can maintain the same DRX cycle, and the terminal monitors the physical downlink control channel (PDCCH) during the activation period, and receives various scheduling and other controls of the PDCCH bearer. Information, and the terminal does not monitor the PDCCH during the sleep period to reduce power consumption.
- PDCCH physical downlink control channel
- the terminal does not monitor the PDCCH during the sleep period, so the wireless access device does not perform scheduling authorization during the sleep period, but waits until the next activation period to perform scheduling authorization, thereby increasing the delay of data transmission.
- this delay affects the user experience.
- the embodiments of the present invention provide a data transmission method, a terminal, and a RAN device, which are used to solve the problem of delay in data transmission under the DRX mechanism in the prior art.
- a data transmission method for transmitting data under a discontinuous reception DRX mechanism includes:
- the terminal receives the first authorization information sent by the radio access network RAN device during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data;
- the terminal maintains an active state for an extended period of time after receiving the second authorization information.
- the first data is empty.
- the first authorization information is used to perform uplink initial authorization for the first data
- the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is an activation time of the uplink retransmission grant that the terminal expects to receive the first data.
- the method further includes: the terminal sending the first data to the RAN device according to the first authorization information;
- the terminal receives, by the terminal, the feedback information sent by the RAN device, where the feedback information is used to feed back the receiving situation of the first data by the RAN device, and the feedback information is ACK.
- the first authorization information is used for
- the downlink retransmission activation time includes a downlink retransmission activation time, where the downlink retransmission activation time is an activation time of the downlink retransmission grant that the terminal expects to receive the first data.
- the method further includes:
- the terminal sends feedback information to the RAN device, where the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extended time is determined by DRX inactivity timing
- the drx-Inactivity Timer is determined.
- a second aspect is a data transmission method for transmitting data under a discontinuous reception DRX mechanism, the method comprising:
- the RAN device of the radio access network sends the first authorization information to the terminal during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data.
- retransmission activation time is an activation time of the retransmission grant that the terminal expects to receive the first data
- the RAN device sends second authorization information to the terminal at the retransmission activation time, where the second authorization information is used to perform initial transmission authorization on the second data.
- the sending, by the RAN device, the first authorization information to the terminal includes one or any combination of the following:
- the first authorization information is sent to the terminal, where the first authorization information is used for initial transmission authorization for downlink data to be sent;
- the first authorization information is sent to the terminal, where the first data is empty, and the second data is predicted downlink data to be sent.
- the RAN device When the RAN device receives the SR sent by the terminal, the first authorization information is sent to the terminal, where the first authorization information is used for initial transmission of uplink data to be sent. right;
- the uplink data sent is initially authorized;
- the RAN device predicts that the terminal is to have uplink data transmission
- the first authorization information is sent to the terminal, where the first data is empty, and the second data is predicted to be sent. Upstream data.
- the RAN device determines a retransmission activation time according to a timing relationship.
- the first authorization information is used to The data is used for the uplink initial transmission authorization, and the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is an activation time of the uplink retransmission grant that the terminal expects to receive the first data. .
- the method further includes: receiving the first data that is sent by the terminal according to the first authorization information;
- the RAN device further sends feedback information at the uplink retransmission activation time, where the feedback information is used to feed back the reception status of the first data by the RAN device, and the feedback information is an ACK.
- the first authorization information is used for
- the downlink retransmission activation time includes a downlink retransmission activation time, where the downlink retransmission activation time is an activation time of the downlink retransmission grant that the terminal expects to receive the first data.
- the RAN device before the sending, by the RAN device, the second authorization information, the RAN device further includes:
- the RAN device further sends the first data to the terminal at the downlink retransmission activation time;
- the RAN device receives the feedback information sent by the terminal, and the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extension time is determined by DRX inactivity timing
- the drx-Inactivity Timer is determined.
- a terminal is configured to transmit data under a discontinuous reception DRX mechanism, where the terminal includes:
- a communication unit configured to receive first authorization information sent by the radio access network RAN device during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data;
- the communication unit is further configured to receive second authorization information sent by the RAN device at a retransmission activation time, where the second authorization information is used to perform initial transmission authorization on the second data, where the retransmission activation time is The terminal is expected to receive an activation time of the retransmission authorization of the first data;
- an operation unit configured to maintain an activation state for an extended period of time after receiving the second authorization information.
- the first data is empty.
- the first authorization information is used to perform uplink initial authorization for the first data
- the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is an activation time of the uplink retransmission grant that the terminal expects to receive the first data.
- the communications unit is further configured to:
- the feedback information sent by the RAN device is received at the uplink retransmission activation time, where the feedback information is used to feed back the reception status of the first data by the RAN device, and the feedback information is an ACK.
- the first authorization information is used for
- the downlink retransmission activation time includes a downlink retransmission activation time, where the downlink retransmission activation time is an activation time of the downlink retransmission grant that the terminal expects to receive the first data.
- the communication unit is further configured to:
- the feedback information is used to feed back the receiving condition of the first data by the communication unit, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extension time is determined by DRX inactivity timing
- the drx-Inactivity Timer is determined.
- a fourth aspect is a radio access network RAN device, configured to transmit data under a discontinuous reception DRX mechanism, where the RAN device includes:
- a communication unit configured to send first authorization information to the terminal during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data;
- a determining unit configured to determine a retransmission activation time, where the retransmission activation time is expected by the terminal Receiving an activation time of the retransmission authorization of the first data
- the communication unit is further configured to send second authorization information to the terminal at the retransmission activation time, where the second authorization information is used to perform initial transmission authorization on the second data.
- the communication unit is configured to:
- the communication unit predicts that downlink data transmission is to be performed, where the first data is empty, and the second data is predicted downlink data to be sent;
- the communication unit When the communication unit receives the SR sent by the terminal, where the first authorization information is used for initial transmission authorization for the uplink data to be sent;
- the first authorization information is used to perform initial transmission authorization on the uplink data to be sent in the terminal buffer.
- the communication unit predicts that the terminal is to have uplink data transmission, where the first data is empty, the second data is the predicted uplink data to be sent.
- the determining unit is configured to:
- the retransmission activation time is determined according to the timing relationship.
- the first authorization information is used for The data is used for the uplink initial transmission authorization, and the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is an activation time of the uplink retransmission grant that the terminal expects to receive the first data. .
- the communication unit is further configured to:
- the feedback information is further sent to the uplink retransmission activation time, where the feedback information is used to feed back the reception status of the first data by the communication unit, and the feedback information is an ACK.
- the first authorization information is used for
- the downlink retransmission activation time includes a downlink retransmission activation time, where the downlink retransmission activation time is an activation time of the downlink retransmission grant that the terminal expects to receive the first data.
- the communication unit is further configured to:
- Receiving feedback information sent by the terminal where the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extended time is determined by DRX inactivity timing
- the drx-Inactivity Timer is determined.
- the RAN device sends the first authorization information to the terminal for initial authentication of the first data during the DRX activation period, and the retransmission of the retransmission authorization of the first data is expected to be received by the terminal. And an activation time, sending second authorization information to the terminal, for performing initial transmission authorization on the second data; and maintaining, by the RAN device and the terminal, an activation state for an extended period of time after the second authorization information is sent.
- the initial transmission authorization may be an uplink initial transmission authorization or a downlink initial transmission authorization, so that the RAN device may use the uplink retransmission activation time or the downlink retransmission activation time to perform the initial transmission to extend the activation time, which not only ensures the use of the DRX technology. , which reduces the impact of delay.
- FIG. 1 is a schematic diagram of a DRX cycle provided in the prior art
- FIG. 2 is a schematic diagram of a data transmission method according to an embodiment of the present invention.
- FIG. 3 is a schematic flowchart diagram of a data transmission method according to an embodiment of the present disclosure
- FIG. 4 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
- FIG. 5 is a schematic diagram of uplink data transmission according to an embodiment of the present disclosure.
- FIG. 6 is a schematic diagram of downlink data transmission according to an embodiment of the present disclosure.
- FIG. 7 is a schematic structural diagram of a terminal according to an embodiment of the present disclosure.
- FIG. 8 is a schematic structural diagram of a RAN device according to an embodiment of the present disclosure.
- FIG. 9 is a structural diagram of a terminal according to an embodiment of the present invention.
- FIG. 10 is a structural diagram of a RAN device according to an embodiment of the present invention.
- the RAN device is a device that accesses a terminal to a wireless network, including but not limited to: an evolved Node B (eNB), a radio network controller (RNC), and a Node B ( Node B, NB), Base Station Controller (BSC), Base Transceiver Station (BTS), Home Base Station (for example, Home evolved NodeB, or Home Node B, HNB), Baseband Unit (BaseBand Unit) , BBU), Wifi access point (Access Point, AP), etc.
- eNB evolved Node B
- RNC radio network controller
- Node B Node B
- BSC Base Station Controller
- BTS Base Transceiver Station
- HNB Base Station
- Baseband Unit Baseband Unit
- BBU Baseband Unit
- Wifi access point Access Point, AP
- a terminal also known as a User Equipment (UE)
- UE User Equipment
- a terminal is a device that provides voice and/or data connectivity to a user, for example, a handheld device with wireless connectivity, an in-vehicle device, and a connection to Other processing devices for wireless modems, etc.
- UE User Equipment
- initial transmission also known as initial transmission, refers to the first transmission of data.
- Multiple means two or more. "and/or”, describing the association relationship of the associated objects, indicating that there may be three relationships, for example, A and/or B, which may indicate that there are three cases where A exists separately, A and B exist at the same time, and B exists separately.
- the character "/" generally indicates that the contextual object is an "or" relationship.
- the RAN device configures the DRX parameters for the terminal such that the terminal and the base station maintain the same DRX cycle.
- the activation period of the DRX is configured by an onDuration Timer, that is, the number of subframes of the PDCCH that are continuously monitored from the beginning of one DRX cycle. In addition to the activation period, several other active times can be configured.
- the activation extension time is configured by a DRX-Inactivity Timer, which specifies the time when the terminal is in an active state after the initial transmission, that is, when the terminal successfully decodes the uplink indicating the initial transmission (uplink, UL) After the PDCCH of the downlink (DL) or sidelink (SL) user data, the number of consecutive PDCCH subframes that remain in the active state.
- the DRX retransmission timer (DRX-Retransmission Timer) is configured to expect the terminal to receive the activation time of the downlink retransmission grant, that is, the subframe is expected to receive the downlink retransmission subframe, that is, the hybrid automatic retransmission request.
- the number of PDCCH subframes that are continuously monitored after the loopback time (HARQ RTT).
- the configuration terminal has data in the HARQ buffer and the uplink grant time of the upcoming HARQ retransmission is in an active state. This is not limited to the actual uplink authorization. However, the terminal maintains the uplink grant time and monitors the PDCCH to receive the uplink grant. Of course, there are other activation times, which are not discussed here.
- the activation time configured by the above drx-Retransmission Timer is usually multiple TTIs, and the time is used for receiving the downlink retransmission grant, that is, the terminal monitors the PDCCH to receive the downlink retransmission grant.
- the uplink grant time of the upcoming HARQ retransmission is usually one TTI, and the time is used to receive the uplink retransmission grant, that is, the terminal monitors the PDCCH to receive the uplink retransmission authorization, but is not true. Real reception is limited.
- the two retransmission-related activation times are referred to as retransmission activation times, and they are respectively referred to as a downlink retransmission activation time and an uplink retransmission activation time.
- the retransmission activation time is only used for the downlink retransmission grant or the uplink retransmission grant.
- the embodiment of the present invention considers the impact of the delay on the service under the DRX mechanism, especially the impact on the voice service.
- the initial transmission is performed by using the above retransmission activation time, so that the activation time after the initial transmission is extended by at least one activation extension time, that is, the duration specified by at least one drx-Inactivity Timer is extended.
- the use of DRX technology is guaranteed and the effect of delay is reduced.
- the voice performance is improved, and the DRX technology is used to ensure the power saving performance of the terminal and improve the user experience.
- FIG. 2 is a schematic diagram of a data transmission method according to an embodiment of the present invention.
- the method is used for transmitting data under the DRX mechanism, as shown in FIG. 2, the method includes the following steps:
- the initial transmission authorization may be an uplink initial transmission authorization or a downlink initial transmission authorization.
- the scheduling request (Scheduling Request, SR) is sent to the RAN device, and the RAN device performs uplink scheduling authorization according to the SR, that is, sends an uplink grant to the terminal through the PDCCH (uplink grant). ).
- the terminal obtains the uplink grant by monitoring the PDCCH channel, and performs uplink initial transmission based on the uplink grant (S220).
- the RAN device sends a downlink grant to the terminal through the PDCCH, to notify the terminal to receive data on the Physical Downlink Shared Channel (PDSCH), and send the data to the terminal through the PDSCH. That is, the initial transmission is carried out.
- the terminal feeds back the reception status of the initial transmission data (S220), and returns ACK if the initial transmission data is successfully received, otherwise returns a NACK.
- the uplink initial transmission or the downlink feedback of the terminal may be completed in the activation period OD, or may be completed in the activation extended time IA, and may also be completed in the dormant period, and no restrictions are imposed here. .
- the RAN device In the uplink direction, after receiving the uplink initial data of the terminal, the RAN device feeds back the reception of the initial data, and if the ACK is correctly received, the uplink retransmission authorization may not be performed. In the case of receiving, the NACK is fed back, and the uplink retransmission authorization may or may not be performed.
- the upload retransmission grant is performed by using the PDCCH, and the feedback is performed by using a physical hybrid HARQ indicator channel (Physical HARQ Indicator Channel PHICH).
- PHICH Physical HARQ Indicator Channel
- the activation time is the uplink retransmission activation time T U . Since it is usually a TTI, it can also be called an uplink retransmission activation time, and is only used to receive the uplink retransmission authorization.
- the terminal After the terminal sends the feedback information to the RAN device, if the feedback information is NACK, the terminal starts the DRX-Retransmission Timer after the HARQ RTT to monitor the PDCCH to receive the downlink retransmission authorization. And receiving downlink retransmission data through the PDSCH according to the downlink retransmission grant.
- the duration of the DRX retransmission timer is the downlink retransmission activation time T D and is only used to receive the downlink retransmission grant.
- the embodiment of the present invention performs initial transmission by using one or all of the uplink retransmission activation time T U and the downlink retransmission activation time T D , so that the activation time can be extended by at least one activation extension time IA. That is, the above method further includes the following steps:
- the RAN device performs an initial transmission authorization at the retransmission activation time, and the initial transmission authorization may also be an uplink initial transmission authorization, or may be a downlink initial transmission authorization.
- the initial transmission authorization in step S210 is referred to as a first initial transmission authorization
- the initial transmission authorization in step S230 is referred to as a second initial transmission authorization.
- the RAN device sends an uplink grant to the terminal through the PDCCH at the uplink retransmission activation time T U .
- the feedback on the PHICH may or may not be performed. There is no limitation here, that is, whether the PHICH transmission in the parentheses in the figure is performed is not used to limit the present application.
- the RAN device sends a downlink grant to the terminal through the PDCCH at the downlink retransmission activation time T D .
- T D downlink retransmission activation time
- the terminal can start the DRX inactivity timer (drx-Inactivity Timer) because the initial transmission authorization is received at the retransmission activation time, so that the activation time is extended by one activation extension time IA, if the activation extension time IA is within the activation extension time IA When the initial transmission occurs again, the DRX inactivity timer is restarted, and the activation time can be extended.
- DRX inactivity timer drx-Inactivity Timer
- the scheduling authorization of the RAN device to the terminal may be implemented by using Downlink Control Information (DCI) of the PDCCH.
- DCI Downlink Control Information
- the DCI carries uplink and downlink scheduling information, modulation and coding scheme, HARQ information, and power control information, and is carried by the PDCCH channel. It is mainly divided into three categories: first, downlink scheduling allocation: including PDSCH resource indication, transmission format, HARQ information, and spatial multiplexing information; second, uplink scheduling grant: including PUSCH resource indication, transmission format, HARQ related information, etc.
- PUSCH power control command A PUSCH power control command corresponding to a group of terminals is used as a supplement to the PUSCH power control command in the uplink grant. Since it is well known to those skilled in the art and is not related to the essence of the present invention, it will not be described in detail herein.
- FIG. 3 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
- the method is used for transmitting data under the DRX mechanism.
- the method is executed by the terminal, and includes the following steps:
- the terminal receives the first authorization information sent by the RAN device during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data, where the initial transmission may be an uplink initial transmission or a downlink First pass.
- the first authorization information is an uplink initial transmission authorization; if the first data is required by the RAN device, The downlink authorization data sent by the terminal, the first authorization information is a downlink initial transmission authorization.
- the first data may be generated by the terminal and not initially transmitted, and after the terminal generates the first data, the terminal sends the data to the RAN device.
- Sending an SR so that the RAN device sends the first authorization information to the terminal according to the SR; optionally,
- the terminal When the terminal generates a data packet with a large amount of data, and a part of the data in the data packet has been initially transmitted, the first data may also be other data remaining in the data packet.
- the terminal determines that there is other data remaining in the data packet, the device sends a Buffer Status Report (BSR) to the RAN device, so that the RAN device sends the first message to the terminal according to the BSR.
- BSR Buffer Status Report
- An authorization information when the RAN device predicts that the terminal will have uplink data to be sent, the first authorization information is sent, of course, if the terminal has not generated the to-be-supplied When the uplink data is sent, the first data sent to the RAN device is empty.
- the first authorization information is sent, so that the terminal and the RAN device activate the extension time IA after sending the first authorization information.
- the terminal is configured to prevent the terminal from generating the uplink data to be sent, the terminal and the RAN device are in a dormant state, and the transmission delay is increased.
- the subsequent retransmission activation time and the activation extension time triggered by the retransmission activation time may be triggered, and the uplink data to be sent may be transmitted during any activation time of the activation time.
- the first data is uplink data
- the first data is generated by the RAN device and is not initially transmitted, and the RAN further passes the first authorization information
- the PDSCH sends the first data.
- the terminal sends the first authorization information, but the downlink data has not been generated or arrived at the moment. And transmitting the first data that is empty through the PDSCH while transmitting the first authorization information.
- the RAN device predicts the downlink data to be sent, the first authorization information is sent, and similarly, the terminal and the RAN device may activate the extension time IA after sending the first authorization information.
- the terminal and the RAN device are in a dormant state, and the transmission delay is increased.
- the subsequent retransmission activation time and the activation extension time triggered by the retransmission activation time may be triggered, and the downlink data to be sent may be transmitted during any activation time of the activation time.
- S320 The terminal receives the second authorization information sent by the RAN device, where the terminal retransmits the activation time.
- the second authorization information is used to perform initial authorization on the second data.
- the first authorization information in S310 is used to perform uplink initial transmission authorization on the first data, where the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is expected by the terminal And an activation time of receiving an uplink retransmission grant of the first data. And after 310, before S320, the method further includes: the terminal sending the first data to the RAN device according to the first authorization information;
- the terminal receives, by the terminal, the feedback information sent by the RAN device, where the feedback information is used to feed back the receiving situation of the first data by the RAN device, and the feedback information is ACK.
- the RAN device and the terminal can use the uplink retransmission activation time to perform initial transmission to extend the activation time.
- the first authorization information in S310 may be further used to perform downlink initial transmission authorization on the first data, where the retransmission activation time includes a downlink retransmission activation time, and the downlink retransmission activation time is the terminal The activation time of the downlink retransmission grant of the first data is expected to be received. And after 310, before S320, further includes:
- the terminal sends feedback information to the RAN device, where the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the RAN device and the terminal may also perform initial transmission by using a downlink retransmission activation time to extend the activation time.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- S330 The terminal maintains an active state for an extended period of time after receiving the second authorization information.
- the activation extension time is determined by the DRX inactivity timer drx-Inactivity Timer.
- the retransmission activation time is the activation time of the retransmission authorization that the terminal expects to receive the first data.
- the so-called expectation that the retransmission authorization of the first data is not necessarily sent within the time, but may be due to The retransmission authorization of the first data the terminal maintains the activation time to receive the retransmission authorization.
- the retransmission activation time may include an uplink retransmission activation time, and may also include a downlink retransmission activation time, or include an uplink retransmission activation time and an uplink retransmission activation time.
- the uplink retransmission activation time is an activation time of the uplink retransmission grant that the terminal expects to receive the first data
- the uplink retransmission activation time is an activation time of the downlink retransmission grant that the terminal expects to receive the first data. That is to say, the uplink retransmission activation time can be used to perform the initial transmission to prolong the activation time, or the downlink retransmission activation time can be used for the initial transmission to extend the activation time, or both can be used to prolong the activation time.
- the uplink retransmission activation time may be one TTI, and the present application is not limited thereto, and may be set to other values.
- the downlink retransmission activation time may be determined by the DRX retransmission timer drx-Retransmission Timer, and may generally be multiple TTIs. Of course, it can also be determined in other ways, and the application is not limited thereto.
- the activation extension time can be determined by the DRX inactivity timer drx-Inactivity Timer. Of course, it can also be determined in other ways, and the application is not limited thereto.
- FIG. 4 is a schematic flowchart of a data transmission method according to an embodiment of the present invention.
- the method is for transmitting data under the DRX mechanism, as shown in FIG. 4, the method is performed by the RAN device, and includes the following steps:
- the RAN device sends the first authorization information to the terminal during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data.
- the initial transmission may be an initial transmission or an early downlink. pass.
- the RAN device determines a retransmission activation time, where the retransmission activation time is an activation time of the retransmission grant that the terminal expects to receive the first data.
- the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is the terminal.
- the method further includes: receiving The first data that is sent by the terminal according to the first authorization information;
- the RAN device further sends feedback information at the uplink retransmission activation time, where the feedback information is used to feed back the receiving situation of the first data by the RAN device, and the feedback information is ACK.
- the retransmission activation time includes a downlink retransmission activation time
- the downlink retransmission activation time is that the terminal expects to receive And an activation time of the downlink retransmission authorization of the first data
- the RAN device further includes:
- the RAN device further sends the first data to the terminal at the downlink retransmission activation time;
- the RAN device receives the feedback information sent by the terminal, and the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- S430 The RAN device sends second authorization information to the terminal at the retransmission activation time, where the second authorization information is used to perform initial transmission authorization on the second data.
- the activation extension time is determined by the DRX inactivity timer drx-Inactivity Timer.
- step S410 can be triggered by any one or combination of the following ways:
- the RAN device when the RAN device has downlink data to be sent, the RAN device may be triggered to send the first authorization information to the terminal, where the first authorization information is used for initial transmission authorization for the downlink data to be sent.
- the RAN device may be triggered to send the first authorization information to the terminal, where the first authorization information is used for the null initial transmission scheduling, that is, the PDSCH is sent to the terminal.
- the data is empty, but the downlink data authorization may be authorized for the activation extension time or the downlink retransmission activation time after the first authorization information is decoded, and the downlink data is sent to the terminal.
- the first data is empty, and the downlink data to be sent may be sent after the activation of the first authorization information is extended; or may be sent in the downlink retransmission activation time, where the second data may be predicted.
- the downlink data to be sent This kind of situation is especially suitable for voice services, because voice services have certain regularity and are easy to predict in advance.
- the SR is sent to the RAN device, and the RAN device
- the RAN device When receiving the SR sent by the terminal, the RAN device may be triggered to send the first authorization information to the terminal.
- the first authorization information is used for initial transmission authorization for the uplink data to be sent.
- the RAN device may be triggered to send the first authorization information to the terminal.
- the first authorization information is used to perform initial transmission authorization on the uplink data to be sent in the buffer of the terminal.
- the RAN device may be triggered to send the first authorization information to the terminal, where the first authorization information is used for the null initial transmission scheduling, but may be in the first authorization.
- the activation extended time or the uplink retransmission activation time after the information is decoded is the uplink data authorization, so that the terminal uses the authorization to send the uplink data.
- the first data is empty, and the authorization information of the uplink data to be sent may be sent in the activation extended time after the decoding of the first authorization information, or may be delivered in the uplink retransmission activation time. It can be the predicted uplink data to be sent. This kind of situation is especially suitable for voice services, because voice services have certain regularity and are easy to predict in advance.
- the RAN device may determine the retransmission activation time according to the timing relationship. For example, in a Frequency Division Duplex (FDD) communication system, if the time at which the RAN device transmits the first grant information is T1, the retransmission activation time is T1+8TTI according to the timing relationship in the FDD communication system. In a Time Division Duplex (TDD) communication system, a corresponding timing relationship may be selected according to the selected uplink and downlink subframe ratio to determine a retransmission activation time. For example, with reference to the Third Generation Partnership Project (3 rd Generation Partnership Project, 3GPP ) predetermined different uplink and downlink sub frames TS 36.213 protocol ratio corresponding to the timing relationship determined retransmission activation time.
- TDD Frequency Division Duplex
- 3GPP Third Generation Partnership Project
- the RAN device when the first data is not empty, in the uplink transmission direction, when the RAN device successfully receives the first data sent by the terminal, the RAN device may feed back the ACK to the terminal, and on the PDCCH.
- the second authorization information is sent to the terminal, and the second authorization information is used for another initial authorization, that is, for initial authorization of the second data.
- the initial transmission can be performed by using the uplink retransmission activation time. It is compatible and does not affect retransmission.
- the initial transmission can also be performed when the RAN device feeds back the NACK, which is not limited in this application.
- the terminal When the first data is not empty, in the downlink transmission direction, when the terminal does not successfully receive the first data sent by the RAN device, the NACK is fed back to the RAN device, and the terminal maintains the activation state during the retransmission activation time, in order to receive To the retransmission of the first data, the RAN device uses the activation time to perform downlink initial transmission authorization, and may not change the existing protocol.
- the terminal may also trigger the start of the downlink retransmission activation time when the NACK is fed back, so that the downlink retransmission activation time is used for the initial transmission, which is not limited in this application.
- FIG. 5 is an example of uplink data transmission.
- the process of using the uplink retransmission activation time to perform initial data transmission includes:
- A1 after the terminal generates a data packet to be transmitted, sending an SR to the RAN device;
- the RAN device sends the first authorization information to the terminal by using a PDCCH, and the first authorization information is used to perform initial transmission authorization on the to-be-transmitted data packet.
- the RAN device can determine the authorization time for the retransmission in case the data to be transmitted is not correctly received, that is, the uplink retransmission activation time.
- the terminal monitors the PDCCH during the activation period, and listens to the first authorization information.
- the first data in the to-be-transmitted data packet is first transmitted to the RAN device through the PUSCH at the time T2, because the data packet to be transmitted is still
- the second data is stored in the buffer of the terminal, so when the terminal sends the first data, the BSR is further sent to the RAN device;
- the RAN device performs decoding after receiving the first data at time T2, and when the decoding is successful, generating feedback information as ACK;
- the RAN device sends the feedback information to the terminal through the PHICH at the time T3, that is, the uplink retransmission activation time, and sends the second authorization information to the terminal by using the PDCCH, where the second authorization information is used by the PDCCH.
- the RAN device sends the feedback information to the terminal through the PHICH at the time T3, that is, the uplink retransmission activation time, and sends the second authorization information to the terminal by using the PDCCH, where the second authorization information is used by the PDCCH.
- the terminal monitors the PDCCH at time T3, and listens to the second authorization information, and when the time reaches T4, performs initial transmission of the second data to the RAN device by using the PUSCH.
- the terminal and the RAN device pass the drx-Inactivity Timer.
- the activation time is configured.
- the drx-Inactivity Timer is the IA in the figure, as shown in the figure. In this way, the activation time of the terminal and the RAN device in one DRX cycle can be extended.
- the RAN device determines an uplink retransmission activation time T3, which specifically includes:
- the RAN device transmits the time T3 of the first set number of transmission time intervals TTI after the time T1 of transmitting the first authorization information as the uplink retransmission activation time T3.
- the first set number is different in different duplex systems. For example, in the FDD system, T1, T2, T3, and T4 are separated by 4 TTIs between each adjacent two moments. Therefore, the first set number is taken to be 8. For example, in the TDD system, the first set number needs to be determined according to the timing relationship of different uplink and downlink subframe ratios.
- FIG. 6 is an example of downlink data transmission.
- the process of using the downlink data retransmission activation time to perform initial data transmission includes:
- the first authorization information is sent to the terminal by using the PDCCH at the time T1 of the activation period of the DRX cycle, where the first authorization information is used for the first data in the downlink data.
- An initial transmission of data and the RAN device sends the first data through a PDSCH;
- the terminal detects the first authorization information sent by the PDCCH at time T1, starts a set time window (for example, a HARQ RTT Timer), and receives the first data according to the first authorization information;
- a set time window for example, a HARQ RTT Timer
- the terminal decodes the first data after the time T1, and generates a feedback information NACK when the decoding fails, and the terminal passes the physical uplink control channel (PUCCH) or the physical uplink at time T2.
- the shared channel Physical Uplink Shared Channel, PUSCH
- the running time of the DRX retransmission timer is the downlink retransmission activation time.
- the RAN device may send second authorization information to the terminal at any time in the downlink retransmission activation time, where the second authorization information is used to perform initial transmission authorization on the second data, And the RAN device sends the second data by using a PDSCH.
- the HARQ RTT Timer is different in length in different duplex systems.
- the length of the set time window is 8 subframes, and in the TDD system, according to the selected uplink and downlink.
- the frame ratio selection determines the corresponding timing relationship.
- the RAN device may use the downlink retransmission activation time of the first data, and send, by using the PDCCH, second authorization information for initial transmission of the second data to the terminal, to implement downlink Retransmit the activation time to start the data.
- the terminal each time the terminal receives the downlink authorization information for initial data transmission, the terminal maintains an activation extension time through the drx-inactivity timer to extend the DRX cycle. Activation time within.
- the embodiment of the present invention further provides a terminal for transmitting data under the DRX mechanism.
- the terminal 700 includes: a communication unit 701 and an operation unit 702, where
- the communication unit 701 is configured to receive first authorization information sent by the radio access network RAN device during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data.
- the communication unit 701 is further configured to receive, according to a retransmission activation time, second authorization information that is sent by the RAN device, where the second authorization information is used to perform initial transmission authorization on the second data, where the retransmission activation time is An activation time for the terminal to expect to receive the retransmission authorization of the first data;
- the running unit 702 is configured to maintain an active state for an extended period of time after receiving the second authorization information.
- the first data is empty.
- the first authorization information is used to perform uplink initial transmission authorization on the first data
- the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is the The terminal expects to receive an activation time of the uplink retransmission grant of the first data.
- the communication unit 701 is further configured to:
- the feedback information sent by the RAN device is received at the uplink retransmission activation time, where the feedback information is used to feed back the reception status of the first data by the RAN device, and the feedback information is an ACK.
- the first authorization information is used to perform downlink initial transmission authorization on the first data
- the retransmission activation time includes a downlink retransmission activation time
- the downlink retransmission activation time is that the terminal is expected to receive the The activation time of the downlink retransmission authorization of the first data.
- the communication unit 701 is further configured to:
- the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extension time is determined by a DRX inactivity timer drx-Inactivity Timer.
- the communication unit in this embodiment may be implemented by a transceiver device of the terminal, and the motion unit may be a separately set processor, or may be implemented in a processor of the terminal, or may be implemented in a program code.
- the form is stored in the memory of the terminal, and is called by one of the processors of the terminal and performs the functions of the above motion unit.
- the processor described herein may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more integrated systems configured to implement embodiments of the present invention. Circuit.
- the embodiment of the present invention further provides a RAN device, configured to transmit data under the DRX mechanism.
- the RAN device 800 includes: a communication unit 801 and a determining unit 802, where
- the communication unit 801 is configured to send first authorization information to the terminal during the DRX activation period, where the first authorization information is used to perform initial transmission authorization on the first data.
- a determining unit 802 configured to determine a retransmission activation time, where the retransmission activation time is an activation time of the retransmission authorization that the terminal expects to receive the first data;
- the communication unit 801 is further configured to send second authorization information to the terminal at the retransmission activation time, where the second authorization information is used to perform initial transmission authorization on the second data.
- the communication unit 801 is configured to:
- the communication unit 801 predicts that downlink data transmission is to be performed, wherein the first data is empty, and the second data is predicted downlink data to be sent;
- the communication unit 801 When the communication unit 801 receives the SR sent by the terminal, where the first authorization information is used for initial transmission authorization for the uplink data to be sent;
- the first authorization information is used to perform initial transmission authorization on the uplink data to be sent in the terminal buffer;
- the communication unit 801 predicts that the terminal is to have uplink data transmission, where the first data is empty, the second data is the predicted uplink data to be sent.
- the determining unit 802 is configured to:
- the retransmission activation time is determined according to the timing relationship.
- the first authorization information is used to perform uplink initial authorization on the first data
- the The retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is an activation time of the uplink retransmission grant that the terminal expects to receive the first data.
- the communication unit 801 is further configured to:
- the feedback information is further sent to the uplink retransmission activation time, where the feedback information is used to feed back the reception status of the first data by the RAN device, and the feedback information is an ACK.
- the first authorization information is used to perform downlink initial transmission authorization on the first data
- the retransmission activation time includes a downlink retransmission activation time
- the downlink retransmission activation time is that the terminal is expected to receive the The activation time of the downlink retransmission authorization of the first data.
- the communication unit 801 is further configured to:
- Receiving feedback information sent by the terminal where the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extension time is determined by a DRX inactivity timer drx-Inactivity Timer.
- the communication unit in this embodiment may be implemented by a transceiver device of the RAN device, and the determining unit may be a separately set processor, or may be implemented in one processor of the RAN device, or
- the form of the program code is stored in a memory of the RAN device, which is called by a processor of the RAN device and performs the functions of the above determining unit.
- the generation of the authorization information, the feedback information, and the like may be performed by a processor of the RAN device, and the processor and the processor implementing the determining unit may be the same processor or different processors.
- the processor described herein may be a Central Processing Unit (CPU), or an Application Specific Integrated Circuit (ASIC), or one or more integrated systems configured to implement embodiments of the present invention. Circuit.
- the embodiment of the present invention further provides a terminal, and the terminal may adopt the method provided by the embodiment corresponding to FIG. 3, and may be the same device as the terminal shown in FIG. 7.
- the terminal 900 includes a transceiver 901, a processor 902, a bus 903, and a memory 904, where:
- the transceiver 901, the processor 902, and the memory 904 are connected to each other through a bus 903.
- the bus 903 may be a peripheral component interconnect (PCI) bus or an extended industry standard architecture (EISA) bus. Wait.
- PCI peripheral component interconnect
- EISA extended industry standard architecture
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 9, but it does not mean that there is only one bus or one type of bus.
- the transceiver 901 is configured to communicate with the RAN device, such as receiving the authorization information sent by the RAN device, receiving data and feedback information sent by the RAN device, and sending data or feedback information to the RAN device.
- the processor 902 is configured to implement the data transmission method shown in FIG. 3 of the embodiment of the present invention, including:
- the second authorization information sent by the RAN device, where the second authorization information is used to perform initial transmission authorization on the second data, where the retransmission activation time is that the terminal 900 is expected to receive the The activation time of the retransmission authorization of the first data;
- the activation state is maintained for an extended period of time after receiving the second authorization information.
- the first data is empty.
- the first authorization information is used to perform uplink initial transmission authorization on the first data
- the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is the terminal 900
- the activation time of the uplink retransmission grant of the first data is expected to be received.
- the processor 902 after receiving the first authorization information sent by the RAN device, and before receiving the second authorization information sent by the RAN device, further includes: the processor 902 Transmitting the first data to the RAN device according to the first authorization information;
- the processor 902 further receives feedback information sent by the RAN device at the uplink retransmission activation time, where the feedback information is used to feed back the receiving condition of the first data by the RAN device, and the feedback The information is ACK.
- the first authorization information is used to perform downlink initial transmission authorization on the first data, where the retransmission activation time includes a downlink retransmission activation time, and the downlink retransmission activation time is that the terminal 900 expects to receive the conference.
- the activation time of the downlink retransmission grant of the first data is used to perform downlink initial transmission authorization on the first data, where the retransmission activation time includes a downlink retransmission activation time, and the downlink retransmission activation time is that the terminal 900 expects to receive the conference.
- the activation time of the downlink retransmission grant of the first data is used to perform downlink initial transmission authorization on the first data, where the retransmission activation time includes a downlink retransmission activation time, and the downlink retransmission activation time is that the terminal 900 expects to receive the conference.
- the activation time of the downlink retransmission grant of the first data is used to perform downlink initial transmission authorization on the first data
- the method further includes:
- the processor 902 receives the first data sent by the RAN device
- the processor 902 sends feedback information to the RAN device, where the feedback information is used to feed back the receiving condition of the first data by the processor 902, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extension time is determined by a DRX inactivity timer drx-Inactivity Timer.
- the terminal 900 also includes a memory 904 for storing programs and the like.
- the program can include program code, the program code including computer operating instructions.
- the memory 904 may include a random access memory (RAM), and may also include a non-volatile memory such as at least one disk storage.
- the processor 902 executes an application stored in the memory 904 to implement the above data transmission method.
- the embodiment of the present invention further provides a RAN device, and the RAN device may adopt the method provided by the embodiment corresponding to FIG. 4, and may be the same device as the RAN device shown in FIG. 8.
- the RAN device 1000 includes a transceiver 1001, a processor 1002, a bus 1003, and a memory 1004, where:
- the transceiver 1001, the processor 1002, and the memory 1004 are connected to each other through a bus 1003.
- the bus 1003 may be a peripheral component interconnect (PCI). Bus or extended industry standard architecture (EISA) bus.
- PCI peripheral component interconnect
- EISA extended industry standard architecture
- the bus can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in FIG. 10, but it does not mean that there is only one bus or one type of bus.
- the transceiver 1001 is configured to communicate with the terminal, such as sending authorization information to the terminal, receiving data and feedback information sent by the terminal, and transmitting data or feedback information to the terminal.
- the processor 1002 is configured to implement the data transmission method shown in FIG. 4 of the embodiment of the present invention, including:
- retransmission activation time is an activation time of the retransmission grant that the terminal expects to receive the first data
- sending the first authorization information to the terminal includes one or any combination of the following:
- the first authorization information is sent to the terminal, where the first authorization information is used for initial transmission authorization for downlink data to be sent;
- the processor 1002 predicts that downlink data transmission is to be performed, the first authorization information is sent to the terminal, where the first data is empty, and the second data is a predicted downlink to be sent. data;
- the processor 1002 When the processor 1002 receives the SR sent by the terminal, the first authorization information is sent to the terminal, where the first authorization information is used for initial transmission authorization for the uplink data to be sent;
- the first authorization information is sent to the terminal, where the first authorization information is used to send an uplink to be sent in the buffer of the terminal. Data is initially authorized;
- the processor 1002 predicts that the terminal is to have uplink data transmission, to the terminal Sending the first authorization information, where the first data is empty, and the second data is predicted uplink data to be sent.
- the processor 1002 determines a retransmission activation time according to a timing relationship.
- the first authorization information is used to perform uplink initial transmission authorization on the first data
- the retransmission activation time includes an uplink retransmission activation time, where the uplink retransmission activation time is expected by the terminal. And an activation time of receiving an uplink retransmission grant of the first data.
- the method further includes: receiving, by the processor, the first sending according to the first authorization information One data
- the processor 1002 further sends feedback information at the uplink retransmission activation time, where the feedback information is used to feed back the receiving condition of the first data by the processor 1002, and the feedback information is an ACK.
- the first authorization information is used to perform downlink initial transmission authorization on the first data
- the retransmission activation time includes a downlink retransmission activation time
- the downlink retransmission activation time is that the terminal is expected to receive the The activation time of the downlink retransmission authorization of the first data.
- the processor 1002 before the sending, by the processor 1002, the second authorization information, the processor 1002 further includes:
- the processor 1002 further sends the first data to the terminal at the downlink retransmission activation time;
- the processor 1002 receives the feedback information sent by the terminal, where the feedback information is used to feed back the receiving situation of the first data by the terminal, and the feedback information is a NACK.
- the downlink retransmission activation time is determined by a DRX retransmission timer drx-Retransmission Timer.
- the activation extension time is determined by a DRX inactivity timer drx-Inactivity Timer.
- the RAN device 1000 also includes a memory 1004 for storing programs and the like.
- the program can include program code, the program code including computer operating instructions.
- the memory 1004 may include a random access memory (RAM), and may also include non-volatile memory. Non-volatile memory, such as at least one disk storage.
- the processor 1002 executes the application stored in the memory 1004 to implement the above data transmission method.
- the RAN device sends the first authorization information to the terminal during the DRX activation period, and is used for initial transmission of the first data.
- Authorizing and transmitting, at the terminal, a retransmission activation time of the retransmission grant of the first data, to the terminal, for transmitting an initial authorization for the second data; the RAN device and The terminal maintains an active state for an extended period of time after the second authorization information is transmitted.
- the initial transmission authorization may be an uplink initial transmission authorization or a downlink initial transmission authorization, so that the RAN device may use the uplink retransmission activation time or the downlink retransmission activation time to perform the initial transmission to extend the activation time, which not only ensures the use of the DRX technology. , which reduces the impact of delay. Especially in the case that the activation period of the DRX parameter configuration is short, the voice performance is improved, and the DRX technology is used to ensure the power saving performance of the terminal and improve the user experience.
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Computer Networks & Wireless Communication (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (34)
- 一种数据传输方法,用于在非连续接收DRX机制下传输数据,其特征在于,该方法包括:终端在DRX激活期内,接收无线接入网RAN设备发送的第一授权信息,所述第一授权信息用于对第一数据进行初传授权;所述终端在重传激活时间,接收所述RAN设备发送的第二授权信息,所述第二授权信息用于对第二数据进行初传授权,所述重传激活时间为所述终端期待接收所述第一数据的重传授权的激活时间;所述终端在接收到所述第二授权信息之后的激活延长时间内维持激活状态。
- 根据权利要求1所述的方法,其特征在于,所述第一数据为空。
- 根据权利要求1或2所述的方法,其特征在于,所述第一授权信息用于对第一数据进行上行初传授权,且所述重传激活时间包括上行重传激活时间,其中,所述上行重传激活时间为所述终端期待接收所述第一数据的上行重传授权的激活时间。
- 根据权利要求3所述的方法,其特征在于,在所述终端在接收所述RAN设备发送的第一授权信息之后,且在接收所述RAN设备发送的第二授权信息之前,还包括:所述终端根据所述第一授权信息向所述RAN设备发送所述第一数据;且所述终端在所述上行重传激活时间还接收所述RAN设备发送的反馈信息,所述反馈信息用于反馈所述RAN设备对所述第一数据的接收情况,且所述反馈信息为ACK。
- 根据权利要求1至4任一项所述的方法,其特征在于,所述第一授权信息用于对第一数据进行下行初传授权,所述重传激活时间包括下行重传激活时间,所述下行重传激活时间为所述终端期待接收所述第一数据的下行重传授权的激活时间。
- 根据权利要求5所述的方法,其特征在于,在所述终端在接收所述RAN设备发送的第一授权信息之后,且在接收所述RAN设备发送的第二授权信息之前,还包括:所述终端接收所述RAN设备发送的所述第一数据;且所述终端向所述RAN设备发送反馈信息,所述反馈信息用于反馈所述终端对所述第一数据的接收情况,且所述反馈信息为NACK。
- 根据权利要求5或6所述的方法,其特征在于,所述下行重传激活时间由DRX重传定时器drx-Retransmission Timer确定。
- 根据权利要求1至7任一项所述的方法,其特征在于,所述激活延长时间由DRX不活动定时器drx-Inactivity Timer确定。
- 一种数据传输方法,用于在非连续接收DRX机制下传输数据,其特征在于,该方法包括:无线接入网RAN设备在DRX激活期内,向终端发送第一授权信息,所述第一授权信息用于对第一数据进行初传授权;所述RAN设备确定重传激活时间,所述重传激活时间为所述终端期待接收所述第一数据的重传授权的激活时间;所述RAN设备在所述重传激活时间向所述终端发送第二授权信息,所述第二授权信息用于对第二数据进行初传授权。
- 根据权利要求9所述的方法,其特征在于,所述RAN设备向所述终端发送所述第一授权信息包括以下之一或任意组合:当所述RAN设备有下行数据待发送时,向所述终端发送所述第一授权信息,其中,所述第一授权信息用于对待发送的下行数据进行初传授权;当所述RAN设备预测到将要有下行数据发送时,向所述终端发送所述第一授权信息,其中,所述第一数据为空,所述第二数据为预测到的待发送的下行数据;当所述RAN设备接收到所述终端发送的SR时,向所述终端发送所述第一授权信息,其中,所述第一授权信息用于对待发送的上行数据进行初传授 权;当所述RAN设备维护的所述终端的缓冲区状态报告BSR非空时,向所述终端发送所述第一授权信息,其中,所述第一授权信息用于对所述终端缓冲区内待发送的上行数据进行初传授权;当所述RAN设备预测到所述终端将要有上行数据发送时,向所述终端发送所述第一授权信息,其中,所述第一数据为空,所述第二数据为预测到的待发送的上行数据。
- 根据权利要求9或10所述的方法,其特征在于,所述RAN设备根据时序关系确定重传激活时间。
- 根据权利要求9至11任一项所述的方法,其特征在于,所述第一授权信息用于对第一数据进行上行初传授权,且所述重传激活时间包括上行重传激活时间,其中,所述上行重传激活时间为所述终端期待接收所述第一数据的上行重传授权的激活时间。
- 根据权利要求12所述的方法,其特征在于,在所述RAN设备在发送所述第一授权信息之后,且在发送所述第二授权信息之前,还包括:接收所述终端根据所述第一授权信息发送的所述第一数据;所述RAN设备在所述上行重传激活时间还发送反馈信息,所述反馈信息用于反馈所述RAN设备对所述第一数据的接收情况,且所述反馈信息为ACK。
- 根据权利要求9至13任一项所述的方法,其特征在于,所述第一授权信息用于对第一数据进行下行初传授权,所述重传激活时间包括下行重传激活时间,所述下行重传激活时间为所述终端期待接收所述第一数据的下行重传授权的激活时间。
- 根据权利要求14所述的方法,其特征在于,在所述RAN设备发送所述第二授权信息之前,还包括:所述RAN设备在所述下行重传激活时间还向所述终端发送所述第一数据;且所述RAN设备接收所述终端发送的反馈信息,所述反馈信息用于反馈所述终端对所述第一数据的接收情况,且所述反馈信息为NACK。
- 根据权利要求14或15所述的方法,其特征在于,所述下行重传激活时间由DRX重传定时器drx-Retransmission Timer确定。
- 根据权利要求9至16任一项所述的方法,其特征在于,所述激活延长时间由DRX不活动定时器drx-Inactivity Timer确定。
- 一种终端,用于在非连续接收DRX机制下传输数据,其特征在于,该终端包括:通信单元,用于在DRX激活期内,接收无线接入网RAN设备发送的第一授权信息,所述第一授权信息用于对第一数据进行初传授权;所述通信单元,还用于在重传激活时间,接收所述RAN设备发送的第二授权信息,所述第二授权信息用于对第二数据进行初传授权,所述重传激活时间为所述终端期待接收所述第一数据的重传授权的激活时间;运行单元,用于在接收到所述第二授权信息之后的激活延长时间内维持激活状态。
- 根据权利要求18所述的终端,其特征在于,所述第一数据为空。
- 根据权利要求18或19所述的终端,其特征在于,所述第一授权信息用于对第一数据进行上行初传授权,且所述重传激活时间包括上行重传激活时间,其中,所述上行重传激活时间为所述终端期待接收所述第一数据的上行重传授权的激活时间。
- 根据权利要求20所述的终端,其特征在于,所述通信单元还用于:在接收所述RAN设备发送的第一授权信息之后,且在接收所述RAN设备发送的第二授权信息之前,根据所述第一授权信息向所述RAN设备发送所述第一数据;在所述上行重传激活时间接收所述RAN设备发送的反馈信息,所述反馈信息用于反馈所述RAN设备对所述第一数据的接收情况,且所述反馈信息为ACK。
- 根据权利要求18至21任一项所述的终端,其特征在于,所述第一授权信息用于对第一数据进行下行初传授权,所述重传激活时间包括下行重传激活时间,所述下行重传激活时间为所述终端期待接收所述第一数据的下行重传授权的激活时间。
- 根据权利要求22所述的终端,其特征在于,所述通信单元,还用于:在接收所述RAN设备发送的第一授权信息之后,且在接收所述RAN设备发送的第二授权信息之前,接收所述RAN设备发送的所述第一数据;且向所述RAN设备发送反馈信息,所述反馈信息用于反馈所述通信单元对所述第一数据的接收情况,且所述反馈信息为NACK。
- 根据权利要求22或23所述的终端,其特征在于,所述下行重传激活时间由DRX重传定时器drx-Retransmission Timer确定。
- 根据权利要求18至24任一项所述的终端,其特征在于,所述激活延长时间由DRX不活动定时器drx-Inactivity Timer确定。
- 一种无线接入网RAN设备,用于在非连续接收DRX机制下传输数据,其特征在于,该RAN设备包括:通信单元,用于在DRX激活期内,向终端发送第一授权信息,所述第一授权信息用于对第一数据进行初传授权;确定单元,用于确定重传激活时间,所述重传激活时间为所述终端期待接收所述第一数据的重传授权的激活时间;所述通信单元,还用于在所述重传激活时间向所述终端发送第二授权信息,所述第二授权信息用于对第二数据进行初传授权。
- 根据权利要求26所述的RAN设备,其特征在于,所述通信单元,用于,在满足以下之一或任意组合的条件,向所述终端发送所述第一授权信息:当所述通信单元有下行数据待发送时,其中,所述第一授权信息用于对待发送的下行数据进行初传授权;当所述通信单元预测到将要有下行数据发送时,其中,所述第一数据为 空,所述第二数据为预测到的待发送的下行数据;当所述通信单元接收到所述终端发送的SR时,其中,所述第一授权信息用于对待发送的上行数据进行初传授权;当所述通信单元维护的所述终端的缓冲区状态报告BSR非空时,其中,所述第一授权信息用于对所述终端缓冲区内待发送的上行数据进行初传授权;当所述通信单元预测到所述终端将要有上行数据发送时,其中,所述第一数据为空,所述第二数据为预测到的待发送的上行数据。
- 根据权利要求26或27所述的RAN设备,其特征在于,所述确定单元,用于:根据时序关系确定重传激活时间。
- 根据权利要求26至28任一项所述的RAN设备,其特征在于,所述第一授权信息用于对第一数据进行上行初传授权,且所述重传激活时间包括上行重传激活时间,其中,所述上行重传激活时间为所述终端期待接收所述第一数据的上行重传授权的激活时间。
- 根据权利要求29所述的RAN设备,其特征在于,所述通信单元,还用于:在发送所述第一授权信息之后,且在发送所述第二授权信息之前,接收所述终端根据所述第一授权信息发送的所述第一数据;在所述上行重传激活时间还发送反馈信息,所述反馈信息用于反馈所述通信单元对所述第一数据的接收情况,且所述反馈信息为ACK。
- 根据权利要求26至30任一项所述的RAN设备,其特征在于,所述第一授权信息用于对第一数据进行下行初传授权,所述重传激活时间包括下行重传激活时间,所述下行重传激活时间为所述终端期待接收所述第一数据的下行重传授权的激活时间。
- 根据权利要求31所述的RAN设备,其特征在于,所述通信单元,还用于:在发送所述第二授权信息之前,在所述下行重传激活时间向所述终端发送所述第一数据;且接收所述终端发送的反馈信息,所述反馈信息用于反馈所述终端对所述第一数据的接收情况,且所述反馈信息为NACK。
- 根据权利要求31或32所述的RAN设备,其特征在于,所述下行重传激活时间由DRX重传定时器drx-Retransmission Timer确定。
- 根据权利要求26至33任一项所述的RAN设备,其特征在于,所述激活延长时间由DRX不活动定时器drx-Inactivity Timer确定。
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP15903383.6A EP3334217B1 (en) | 2015-09-10 | 2015-09-10 | Data transmission method, terminal and ran device |
KR1020187008023A KR102103301B1 (ko) | 2015-09-10 | 2015-09-10 | 데이터 송신 방법, 단말기 및 ran 디바이스 |
JP2018512989A JP6646738B2 (ja) | 2015-09-10 | 2015-09-10 | データ伝送方法、端末及びranデバイス |
PCT/CN2015/089394 WO2017041276A1 (zh) | 2015-09-10 | 2015-09-10 | 一种数据传输方法、终端及ran设备 |
CN201580000956.4A CN107211362B (zh) | 2015-09-10 | 2015-09-10 | 一种数据传输方法、终端及ran设备 |
CN202011298978.2A CN112584555B (zh) | 2015-09-10 | 2015-09-10 | 一种数据传输方法、终端及ran设备 |
EP21200088.9A EP4002926A1 (en) | 2015-09-10 | 2015-09-10 | Data transmission method, terminal, and ran device |
US15/917,015 US10594447B2 (en) | 2015-09-10 | 2018-03-09 | Data transmission method, terminal, and ran device |
US16/792,657 US11451345B2 (en) | 2015-09-10 | 2020-02-17 | Data transmission method, terminal, and RAN device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/CN2015/089394 WO2017041276A1 (zh) | 2015-09-10 | 2015-09-10 | 一种数据传输方法、终端及ran设备 |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US15/917,015 Continuation US10594447B2 (en) | 2015-09-10 | 2018-03-09 | Data transmission method, terminal, and ran device |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2017041276A1 true WO2017041276A1 (zh) | 2017-03-16 |
Family
ID=58239079
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/CN2015/089394 WO2017041276A1 (zh) | 2015-09-10 | 2015-09-10 | 一种数据传输方法、终端及ran设备 |
Country Status (6)
Country | Link |
---|---|
US (2) | US10594447B2 (zh) |
EP (2) | EP4002926A1 (zh) |
JP (1) | JP6646738B2 (zh) |
KR (1) | KR102103301B1 (zh) |
CN (2) | CN107211362B (zh) |
WO (1) | WO2017041276A1 (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111436155A (zh) * | 2019-02-21 | 2020-07-21 | 维沃移动通信有限公司 | 数据传输方法和终端设备 |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6646738B2 (ja) * | 2015-09-10 | 2020-02-14 | 華為技術有限公司Huawei Technologies Co.,Ltd. | データ伝送方法、端末及びranデバイス |
WO2019033017A1 (en) * | 2017-08-10 | 2019-02-14 | Convida Wireless, Llc | ENHANCED MODE DRX PROCEDURES ENHANCED FOR NR |
CN111436094A (zh) * | 2019-01-11 | 2020-07-21 | 华为技术有限公司 | 通信方法及装置 |
US20200245334A1 (en) * | 2019-01-25 | 2020-07-30 | Qualcomm Incorporated | Preconfigured uplink resource techniques in wireless communications |
KR102416866B1 (ko) | 2019-02-21 | 2022-07-05 | 아서스테크 컴퓨터 인코포레이션 | 무선 통신 시스템에서 사이드링크 통신의 재송신 스케줄링을 개선하는 방법 및 장치 |
CN111278172B (zh) * | 2019-03-27 | 2022-08-02 | 维沃移动通信有限公司 | 指示方法、终端设备和网络侧设备 |
US10659388B1 (en) * | 2019-05-01 | 2020-05-19 | Bank Of America Corporation | Transaction processing throttle with dynamic transaction load balancing and transaction starvation prevention |
CN111954310B (zh) * | 2019-05-17 | 2023-10-10 | 华硕电脑股份有限公司 | 区分侧链路缓冲区状态报告中传送反馈模式的方法和设备 |
CN116566554A (zh) * | 2019-08-16 | 2023-08-08 | 华为技术有限公司 | 非连续接收方法、相关装置及系统 |
US11570805B2 (en) * | 2019-10-22 | 2023-01-31 | Qualcomm Incorporated | Robustness enhancement for downlink control information in a downlink data channel |
CN113133096B (zh) * | 2020-01-15 | 2023-03-28 | 大唐移动通信设备有限公司 | 一种信息确定方法、装置、设备及计算机可读存储介质 |
WO2021179263A1 (zh) * | 2020-03-12 | 2021-09-16 | 北京小米移动软件有限公司 | 直连链路中目的地址选择方法、装置及存储介质 |
CN113677020A (zh) * | 2020-05-15 | 2021-11-19 | 华为技术有限公司 | 通信方法、装置及系统 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101483884A (zh) * | 2008-01-10 | 2009-07-15 | 华硕电脑股份有限公司 | 改善非连续接收功能的方法及其相关通讯装置 |
CN102187611A (zh) * | 2008-10-17 | 2011-09-14 | 爱立信电话股份有限公司 | 改进无线通信系统中harq重传和电池寿命的方法 |
CN102843754A (zh) * | 2011-06-24 | 2012-12-26 | 华为技术有限公司 | 非连续接收方法和设备 |
US20150131504A1 (en) * | 2013-11-14 | 2015-05-14 | National Chiao Tung University | Power-saving data scheduling system in lte and method thereof |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
RU2471291C2 (ru) * | 2007-09-11 | 2012-12-27 | Вай-Лэн, Инк. | Распределение постоянных ресурсов |
TW200931869A (en) * | 2007-12-31 | 2009-07-16 | Interdigital Patent Holdings | Method and apparatus for handling interactions between measurement gap, automated repeat request, discontinuous reception and discontinuous transmission in wireless communications |
WO2009136830A1 (en) * | 2008-05-07 | 2009-11-12 | Telefonaktiebolaget L M Ericsson (Publ) | Discontinuous reception (drx) timer triggered with the transmission of a buffer status report (bsr) |
US8031668B2 (en) * | 2008-06-23 | 2011-10-04 | Sunplus Mmobile Inc. | Method for optimizing discontinuous reception in random access and scheduling request |
KR101800016B1 (ko) * | 2010-01-21 | 2017-11-22 | 엘지전자 주식회사 | 다중 반송파 시스템에서 하이브리드 자동 재전송 요청 수행 방법 및 장치 |
CN102761942B (zh) * | 2011-04-29 | 2015-01-21 | 华为技术有限公司 | 状态切换方法、非激活定时器启动方法和用户设备 |
WO2013066044A1 (ko) * | 2011-10-31 | 2013-05-10 | 엘지전자 주식회사 | 상향링크 제어 신호 전송 방법 및 사용자기기와, 상향링크 신호 수신 방법 및 기지국 |
US20130223307A1 (en) * | 2012-02-24 | 2013-08-29 | Telefonaktiebolaget Lm Ericsson (Publ) | Combating drx deadlock in telecommunications |
EP2663113A1 (en) * | 2012-05-08 | 2013-11-13 | Panasonic Corporation | Improved coexistence interference reporting mechanism |
US9019882B2 (en) | 2012-05-14 | 2015-04-28 | Telefonaktiebolaget L M Ericsson (Publ) | Apparatuses and methods for managing pending HARQ retransmissions |
US20150181571A1 (en) * | 2012-08-15 | 2015-06-25 | Lg Electronics Inc. | Method monitoring pdcch based on drx and communication device thereof |
US20150201456A1 (en) * | 2012-08-27 | 2015-07-16 | Lg Electronics Inc. | Method and apparatus for configuring a discontinuous reception (drx) operation in a wireless communication system |
EP2954732A4 (en) * | 2013-02-05 | 2016-08-31 | Apple Inc | REDUCTION OF ENERGY CONSUMPTION ON DISCONTINUOUS RECEPTION IN CONNECTED MODE |
EP2782409A1 (en) * | 2013-03-20 | 2014-09-24 | Panasonic Intellectual Property Corporation of America | Deterministic UE behaviour for CSI/SRS Reporting during DRX |
WO2015016755A1 (en) * | 2013-08-02 | 2015-02-05 | Telefonaktiebolaget L M Ericsson (Publ) | Methods, network node, wireless device, computer programs and computer program products for use with discontinous reception |
EP3105878B1 (en) * | 2014-02-16 | 2019-04-03 | LG Electronics Inc. | Method and apparatus for transmitting uplink data in a wireless communication system |
EP4145757A1 (en) * | 2015-01-28 | 2023-03-08 | Interdigital Patent Holdings, Inc. | Triggering aperiodic sounding reference signals |
JP6646738B2 (ja) * | 2015-09-10 | 2020-02-14 | 華為技術有限公司Huawei Technologies Co.,Ltd. | データ伝送方法、端末及びranデバイス |
-
2015
- 2015-09-10 JP JP2018512989A patent/JP6646738B2/ja active Active
- 2015-09-10 EP EP21200088.9A patent/EP4002926A1/en active Pending
- 2015-09-10 CN CN201580000956.4A patent/CN107211362B/zh active Active
- 2015-09-10 EP EP15903383.6A patent/EP3334217B1/en active Active
- 2015-09-10 WO PCT/CN2015/089394 patent/WO2017041276A1/zh active Application Filing
- 2015-09-10 KR KR1020187008023A patent/KR102103301B1/ko active IP Right Grant
- 2015-09-10 CN CN202011298978.2A patent/CN112584555B/zh active Active
-
2018
- 2018-03-09 US US15/917,015 patent/US10594447B2/en active Active
-
2020
- 2020-02-17 US US16/792,657 patent/US11451345B2/en active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101483884A (zh) * | 2008-01-10 | 2009-07-15 | 华硕电脑股份有限公司 | 改善非连续接收功能的方法及其相关通讯装置 |
CN102187611A (zh) * | 2008-10-17 | 2011-09-14 | 爱立信电话股份有限公司 | 改进无线通信系统中harq重传和电池寿命的方法 |
CN102843754A (zh) * | 2011-06-24 | 2012-12-26 | 华为技术有限公司 | 非连续接收方法和设备 |
US20150131504A1 (en) * | 2013-11-14 | 2015-05-14 | National Chiao Tung University | Power-saving data scheduling system in lte and method thereof |
Non-Patent Citations (1)
Title |
---|
See also references of EP3334217A4 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111436155A (zh) * | 2019-02-21 | 2020-07-21 | 维沃移动通信有限公司 | 数据传输方法和终端设备 |
CN111436155B (zh) * | 2019-02-21 | 2021-09-14 | 维沃移动通信有限公司 | 数据传输方法和终端设备 |
Also Published As
Publication number | Publication date |
---|---|
CN112584555B (zh) | 2023-04-21 |
US20180198572A1 (en) | 2018-07-12 |
KR20180044337A (ko) | 2018-05-02 |
US11451345B2 (en) | 2022-09-20 |
KR102103301B1 (ko) | 2020-04-22 |
EP3334217A1 (en) | 2018-06-13 |
CN107211362A (zh) | 2017-09-26 |
EP3334217B1 (en) | 2021-11-10 |
JP6646738B2 (ja) | 2020-02-14 |
CN112584555A (zh) | 2021-03-30 |
EP4002926A1 (en) | 2022-05-25 |
EP3334217A4 (en) | 2018-08-08 |
US10594447B2 (en) | 2020-03-17 |
CN107211362B (zh) | 2020-12-04 |
US20200186300A1 (en) | 2020-06-11 |
JP2018530960A (ja) | 2018-10-18 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US11451345B2 (en) | Data transmission method, terminal, and RAN device | |
EP3738378B1 (en) | Uplink channel scheduling to retain channel occupancy for unlicensed wireless spectrum | |
EP3764733A1 (en) | Communication method and apparatus for discontinuous reception, and communication device and communication system | |
EP2169871B1 (en) | Method and apparatus of handling a timer for triggering buffer status report | |
US8929354B2 (en) | Scheduling of a communication base station | |
WO2018036433A1 (zh) | 信息发送、接收方法及装置、基站、终端 | |
JP6771479B2 (ja) | 無線通信装置 | |
WO2011079814A1 (zh) | 一种基于竞争资源的配置方法和装置 | |
WO2018022863A1 (en) | Differential scheduling for real-time communication services | |
EP2148542A1 (en) | Method and apparatus for improving DRX functionality | |
CN113170498B (zh) | 用于针对被配置sps和drx的ue启用下行链路调度的方法和网络节点 | |
CN109792680A (zh) | 用于传输数据的方法和终端设备 | |
WO2022042705A1 (zh) | 一种非连续接收drx方法及装置 | |
WO2022067549A1 (zh) | 无线通信的方法和设备 | |
EP4284074A1 (en) | Sidelink communication method and apparatus | |
EP4008072A1 (en) | Transceiver device and scheduling device | |
WO2022053627A1 (en) | Consideration of active reception status in resource selection for d2d communication | |
CN114762392B (zh) | 通信方法及装置 | |
WO2022206248A1 (zh) | 传输资源选择方法、装置、以及用户设备 | |
CN113708898B (zh) | 一种通信方法及装置 | |
WO2022179242A1 (zh) | 一种通信方法及设备 | |
WO2023165449A1 (zh) | 一种通信方法及装置 | |
CN115706931A (zh) | 通信方法及装置 | |
EP4353037A1 (en) | Systems and methods for reducing utilization of a random access procedure for scheduling request transmission in a wireless network |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 15903383 Country of ref document: EP Kind code of ref document: A1 |
|
ENP | Entry into the national phase |
Ref document number: 2018512989 Country of ref document: JP Kind code of ref document: A |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
ENP | Entry into the national phase |
Ref document number: 20187008023 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2015903383 Country of ref document: EP |