WO2020063363A1 - 时间校准的方法和设备 - Google Patents
时间校准的方法和设备 Download PDFInfo
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- WO2020063363A1 WO2020063363A1 PCT/CN2019/105605 CN2019105605W WO2020063363A1 WO 2020063363 A1 WO2020063363 A1 WO 2020063363A1 CN 2019105605 W CN2019105605 W CN 2019105605W WO 2020063363 A1 WO2020063363 A1 WO 2020063363A1
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- reference time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/004—Synchronisation arrangements compensating for timing error of reception due to propagation delay
- H04W56/0045—Synchronisation arrangements compensating for timing error of reception due to propagation delay compensating for timing error by altering transmission time
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
- H04W56/002—Mutual synchronization
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/0055—Synchronisation arrangements determining timing error of reception due to propagation delay
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
Definitions
- Embodiments of the present disclosure relate to the field of communications technologies, and in particular, to a method and device for time calibration.
- the time point when the terminal receives the network side reference time is different from the time point when the network actually sends the reference time due to the delay of the air interface transmission.
- the transmission delay of the air interface will cause the reference time sent by the network to fail to meet the reference time accuracy requirement of the terminal.
- An object of the embodiments of the present disclosure is to provide a time calibration method and device, which solves the problem that the reference time sent by the network cannot meet the reference time accuracy requirement of the terminal.
- a time calibration method is provided and applied to a terminal.
- the method includes:
- the reference time sent by the network side is calibrated according to the amount of time information.
- a terminal including:
- a calibration module is configured to calibrate the reference time sent by the network side according to the amount of time information.
- a terminal including: a processor, a memory, and a program stored on the memory and executable on the processor, the program being used by the processor.
- a computer-readable storage medium wherein the computer-readable storage medium stores a computer program, and the computer program is implemented as described in the first aspect when executed by a processor. Steps in the method of time calibration.
- the terminal can calibrate the reference time sent by the network side, thereby improving the accuracy of the reference time received by the terminal.
- FIG. 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the present disclosure
- FIG. 2 is a first flowchart of a time calibration method according to an embodiment of the present disclosure
- FIG. 3 is a second flowchart of a time calibration method according to an embodiment of the present disclosure.
- FIG. 4 is one of the structural diagrams of the terminal according to the embodiment of the present disclosure.
- FIG. 5 is a second schematic structural diagram of a terminal according to an embodiment of the present disclosure.
- words such as “exemplary” or “such as” are used as examples, illustrations or illustrations. Any embodiment or design described as “exemplary” or “for example” in the embodiments of the present disclosure should not be construed as more optional or advantageous than other embodiments or designs. Rather, the use of the words “exemplary” or “for example” is intended to present the relevant concept in a concrete manner.
- the network side sends a system message (for example, System Information Block 16 (SIB16)) to the terminal, and the system message may indicate a reference time (for example, T reference ),include:
- SIB16 System Information Block 16
- GPS Global Positioning System
- SFn System frame number
- the terminal receives The end boundary of the system message window corresponding to SIB16 is (SFN_3, Subframe_1), and the reference time received by the terminal corresponds to the end boundary time of SFN_3.
- the terminal After receiving the downlink signal, the terminal can determine the position of the downlink signal subframe. In order to avoid uplink interference, the network must ensure that signals sent by different terminals arrive at a fixed time. Therefore, the network side needs to configure a timing advance (TA) for uplink transmission of the terminal. After the terminal receives the TA value, if the terminal wants to send an uplink signal, the terminal transmits the uplink signal in advance by using the TA subframe value as a reference and the TA value in advance.
- TA timing advance
- the terminal needs to acquire the TA value only when the terminal is out of synchronization. Therefore, the terminal can trigger the terminal itself or the network side triggers the terminal to initiate the random access process, and the network side issues the TA value to the terminal in the random access response.
- the TA value maintenance on the network side can set a timer for the TA value of the terminal (for example: Time Assignment Timer (TAT)), which is started when the TA value is delivered to the terminal, and the network before the timer expires
- TAT Time Assignment Timer
- the side sends a new TA value to the terminal.
- the TA value maintenance of the terminal is started or restarted when the TA value is received according to the timer set on the network side. After the timer expires, the TA value is considered invalid, and the terminal behaves out of step, and can no longer be out of step on the uplink.
- the cell sends an uplink signal.
- LTE-Advanced LTE-Advanced
- LTE-Advanced LTE-Advanced
- various wireless communication systems such as Code Division Multiple Access (CDMA), Time Division Multiple Access (Time Division Multiple Access (TDMA), Frequency Division Multiple Access (FDMA), Orthogonal Frequency Division Multiple Access (Orthogonal Frequency Division Multiple Access (OFDMA)), Single-Carrier Frequency Division Multiple Access (Single-carrier Frequency-Frequency- Division Multiple Access (SC-FDMA) and other systems, such as: 5th-generation (5G-generation) systems and subsequent evolved communication systems.
- CDMA Code Division Multiple Access
- TDMA Time Division Multiple Access
- FDMA Frequency Division Multiple Access
- OFDMA Orthogonal Frequency Division Multiple Access
- SC-FDMA Single-Carrier Frequency Division Multiple Access
- 5G-generation 5th-generation
- 5G-generation 5th-generation
- the terms “system” and “network” are often used interchangeably.
- the CDMA system can implement radio technologies such as CDMA2000, Universal Terrestrial Radio Access (UTRA) and the like.
- UTRA includes Wideband CDMA (Wideband Code Division Multiple Access) and other CDMA variants.
- the TDMA system can implement a radio technology such as Global System for Mobile (Communication, Global System for Mobile).
- OFDMA system can implement such as Ultra Mobile Broadband (UMB), Evolution UTRA (Evolution-UTRA, E-UTRA), IEEE 802.11 (Wireless Fidelity (Wi-Fi)), IEEE 802.16 (WiMAX), IEEE 802.20 , Flash-OFDM and other radio technologies.
- UMB Ultra Mobile Broadband
- Evolution-UTRA Evolution UTRA
- E-UTRA IEEE 802.11
- Wi-Fi Wi-Fi
- WiMAX IEEE 802.16
- IEEE 802.20 Flash-OFDM and other radio technologies.
- UMB Ultra Mobile Broadband
- LTE and more advanced LTE are new UMTS versions using E-UTRA.
- UTRA, E-UTRA, UMTS, LTE, LTE-A, and GSM are described in documents from an organization named "3rd Generation Partnership Project” (3rd Generation Generation Partnership Project (3GPP)).
- CDMA2000 and UMB are described in documents from an organization named "3rd Generation Partnership Project 2" (3GPP2).
- the techniques described herein can be used for the systems and radio technologies mentioned above as well as other systems and radio technologies.
- FIG. 1 is a schematic structural diagram of a wireless communication system according to an embodiment of the present disclosure.
- the wireless communication system may include a network device 10 and a terminal.
- the terminal is referred to as a user equipment (UE) 11.
- the UE 11 may communicate with the network device 10 (transmit signaling or transmit data).
- the connection between the foregoing devices may be a wireless connection.
- a solid line is used in FIG. 1 for illustration.
- the above communication system may include multiple UEs 11, and the network device 10 may communicate with multiple UEs 11.
- the terminals provided in the embodiments of the present disclosure may be mobile phones, tablet computers, laptops, Ultra-Mobile Personal Computers (UMPCs), netbooks or Personal Digital Assistants (PDAs), and mobile Internet devices (Mobile Internet).
- UMPCs Ultra-Mobile Personal Computers
- PDAs Personal Digital Assistants
- Mobile Internet Mobile Internet
- Device MID
- Wearable Device Wearable Device
- the network device 10 provided in the embodiment of the present disclosure may be a base station.
- the base station may be a commonly used base station, an evolved base station (eNB), or a network device in a 5G system (for example, the following Generation base station (next generation node base station, gNB) or transmission and reception point (transmission and reception point (TRP)) and other equipment.
- eNB evolved base station
- 5G system for example, the following Generation base station (next generation node base station, gNB) or transmission and reception point (transmission and reception point (TRP)
- gNB Next generation node base station
- TRP transmission and reception point
- an embodiment of the present disclosure provides a method for time calibration.
- the method may be executed by a terminal.
- the specific steps are as follows:
- Step 201 Determine the amount of time information used to calibrate the reference time
- the amount of time information can be determined according to the reference time accuracy requirement of the terminal. It can be understood that the specific manner of determining the amount of time information used to calibrate the reference time is not limited in the embodiments of the present disclosure.
- Step 202 Calibrate the reference time sent by the network side according to the amount of time information.
- T real T reference -T delta .
- the embodiments of the present disclosure may also adopt other calculation methods, and use the amount of time information to calibrate the reference time sent by the network side, which is not limited to this.
- the determining the amount of time information for calibrating the reference time includes: determining the amount of time information for calibrating the reference time when a trigger event is satisfied, wherein the trigger An event refers to an event that triggers the terminal to perform the reference time calibration.
- the trigger event may be a related event indicated by the network side or a related event detected by the terminal. It can be understood that the specific content and setting manner of the trigger event are not specifically limited in the embodiments of the present disclosure.
- determining the downlink transmission delay, and then determining the downlink transmission delay as the time amount information for calibrating the reference time may include the following two ways:
- the terminal calculates the downlink path loss (Pathloss DL ) of the signal received by the terminal, and the terminal may use the calculation method of the related technology and will not be described here;
- T DL a downlink signal transmission delay
- T DL a corresponding downlink signal transmission delay
- the correspondence between the timing advance value and the downlink signal transmission delay can be configured by the network side or agreed by the protocol.
- the timing advance value for determining the timing information includes any one of the following:
- the effective TA value of the terminal For example, the currently available TA value of the terminal, for example, the time advance value corresponds to the TAT timer is running.
- the receiving time of the timing advance value in the random access process is the same as the calculation time of the timing amount information; or, the timing advance value is in the random access process.
- the reception time in is preset time earlier than the calculation time of the amount of time information.
- the reception time and the calculation time correspond to different time points, respectively.
- the preset time is configured by the network side or agreed by an agreement.
- the terminal receives a TA value in a random access process (for example, a TA value in a Random Access Response (RAR)) while calculating the amount of time information that needs to be calibrated, or receives a network
- a TA value in a random access process for example, a TA value in a Random Access Response (RAR)
- RAR Random Access Response
- the time sent by the side commands the TA value in the media access control control unit in advance.
- the terminal receives the TA value (for example, the TA value in the RAR) during the random access process some time before calculating the amount of time information that needs to be calibrated, or receives the time advance command media access sent by the network Controls the TA value in the control unit.
- the amount of time in the "a period before calculating the amount of time information required for calibration" is a protocol agreement or a network configuration.
- the determining the amount of time information for calibrating the reference time further includes the following steps:
- PUCCH Physical Uplink Control Channel
- PUSCH Physical Uplink Shared Channel
- SRS Sounding Reference Signal
- the TA value used to calculate the amount of time information may be determined in the following manners. Of course, it can be understood that other manners may also be adopted and are not limited thereto.
- the TA value obtained in the random access process or other uplink signal sending process includes any one of the following:
- any one of a plurality of timing advance values received when the random access process or other uplink signal sending process is successful may be: received when the random access process or other uplink signal sending process is successful The last time advance value.
- the cell corresponding to the random access request (for example, the first message (Msg1)) in the random access process includes any one of the following:
- the conditions for the success of the random access procedure include any one of the following:
- the second message (Msg2) received by the terminal includes identification information of the first message (Msg1) received by the terminal;
- the fourth message (Msg4) received by the terminal includes identification information of the third message (Msg3) received by the terminal.
- the content of the Msg1 or Msg3 includes any combination of one or more of the following:
- the identification of the terminal for example, terminal identification information sent through a Radio Resource Control (RRC) message (for example, a Timing Request message) or a MAC CE;
- RRC Radio Resource Control
- Time advance value request information for example: TA request information sent by RRC message (Timing request message) or MAC CE, for example, Timing Request ID, for example: Timing Request ID range according to protocol agreement or network configuration Randomly generated logo.
- the trigger event is configured by the network side or agreed by a protocol.
- the trigger event includes one or any combination of the following:
- the terminal determines that the service sent or received is a specific service, where the specific service may refer to a service that requires more precise time accuracy, such as industrial control service data, etc., of course, it is not limited to this.
- the terminal determines that the reference time is inaccurate, including any one of the following:
- the path loss measured by the terminal is greater than or equal to a first threshold value
- the amount of change in uplink timing advance measured by the terminal is greater than or equal to a fourth threshold value
- the terminal detects that the timer started after the reference time calibration has timed out. Specifically, the terminal starts the timer after the reference time calibration according to the network configuration or the timer setting agreed in the protocol. After the timer expires, the terminal considers the reference time to be inaccurate.
- any combination of one or more of the first threshold value, the second threshold value, the third threshold value, and the fourth threshold value is configured by the network side. Or as agreed by the agreement, it can be understood that the foregoing threshold value is not limited in the embodiments of the present disclosure.
- the information that the network side indicates that the reference time is inaccurate includes any combination of one or more of the following:
- the frequency information instructed by the network side to receive the reference time for example, if the terminal receives the reference time at the corresponding frequency information, it considers that the reference time is inaccurate and needs to be calibrated;
- the geographic location information of the reference time indicated by the network side is received, for example, if the terminal receives the reference time at the corresponding geographic location information, it considers that the reference time is inaccurate and needs to be calibrated;
- the beam information for receiving the reference time instructed by the network side for example, if the terminal receives the reference time at the corresponding beam information, it considers that the reference time is inaccurate and needs to be calibrated.
- the frequency information includes any combination of one or more of the following:
- the geographic location information includes any combination of one or more of the following:
- Cell identifier for example: Physical Cell Identifier (PCI); or Cell Global Identifier (CGI);
- PCI Physical Cell Identifier
- CGI Cell Global Identifier
- Cell group identifier for example: Master Cell Group (MCG); or Secondary Cell Group (SCG);
- Area location identification for example: Tracking Area Identification (TAI); or Access Network Notification Area (RAN) Identification, etc .;
- TAI Tracking Area Identification
- RAN Access Network Notification Area
- Operator identification such as: Public Area Wireless Network (Public, Land, Mobile, Network, PLMN).
- Public Area Wireless Network Public, Land, Mobile, Network, PLMN.
- the beam information includes any combination of one or more of the following:
- Reference signal identification for example: Channel State Information Reference Signal (CSI-RS) identification;
- CSI-RS Channel State Information Reference Signal
- the determining the amount of time information for calibrating the reference time includes the following steps:
- Send request information to the network side for example: Physical Random Access Channel (PRACH), Physical Uplink Control Channel (PUCCH), Physical Uplink Shared Channel (PUSCH) , Sounding Reference Signal (SRS), Radio Resource Control (RRC) message, MAC CE, etc .;
- PRACH Physical Random Access Channel
- PUCCH Physical Uplink Control Channel
- PUSCH Physical Uplink Shared Channel
- SRS Sounding Reference Signal
- RRC Radio Resource Control
- Tx 10us
- the time position corresponding to the reference time sent by the network side is configured by the network side or agreed by an agreement.
- the time position corresponding to the reference time sent by the network side is: a boundary of a system frame number where an end boundary of a system message sending window is located, and the system message is used to send the reference time.
- the time position corresponding to the reference time sent by the network side is: a position of a signal for time synchronization of the reference time.
- the sending manner of the signal for the reference time and time synchronization is sending in a periodic manner or in an event-triggered manner.
- the resource configuration of the signal for the reference time and time synchronization is configured by the network side or agreed by a protocol.
- the resource configuration of the signal for the reference time and time synchronization includes any combination of one or more of the following:
- Transmission time period for example: 10ms
- the starting position of the transmission time for example: subframe 1 or time slot 1;
- an offset relative to the start position of the transmission time for example, the last 2 subframes of the subframe 1 (such as transmission in the subframe 3), and the offset is 2 subframes;
- Frequency information sent for example: 2GHz;
- the frequency bandwidth of the transmission for example: 20MHz;
- the terminal can calibrate the reference time sent by the network side, thereby improving the accuracy of the reference time received by the terminal.
- an embodiment of the present disclosure further provides a method for time calibration, including steps 301 to 303.
- the specific steps are as follows:
- Step 301 A trigger event configured on the network side or agreed upon in the protocol, instructing the terminal to perform reference time calibration.
- the trigger event that triggers the "reference time calibration by the terminal” may include any one of the following:
- the terminal detects that the reference time is inaccurate
- the triggering event may further include: the terminal determines that the service it sends or receives needs more accurate time accuracy. For example, the terminal needs accurate time information when receiving or sending industrial control service data. In this case, if the terminal meets the trigger event described above, the "terminal performs reference time calibration" is triggered.
- the judgment method of "the terminal detects that the reference time is not accurate" includes any one of the following:
- the path loss measured by the terminal is greater than or equal to the threshold.
- the threshold value can be determined by network configuration or protocol.
- the path loss during the previous reference time calibration is P1
- the current path loss is P2
- the threshold is T.
- P2-P1 ⁇ T it means "the terminal detected the reference time is not accurate”.
- the threshold value can be determined by network configuration or protocol.
- the uplink timing advance of the terminal is greater than or equal to a threshold value.
- the threshold value can be determined by network configuration or protocol.
- the uplink timing advance measured by the terminal is greater than or equal to the threshold.
- the previous uplink timing advance is TA1
- the current uplink timing advance is TA2
- the threshold is T.
- (TA2-TA1) ⁇ T it means "the terminal has detected an inaccurate reference time”.
- the threshold value can be determined by network configuration or protocol.
- the terminal starts the timer after calibrating the reference time according to the timer settings agreed by the network configuration or protocol. After the timer times out, the terminal considers the reference time to be inaccurate.
- the information content of "the network indicates that the reference time is not accurate" includes any combination of one or more of the following:
- the "frequency information corresponding to the reference time transmission” includes any combination of one or more of the following:
- Frequency point identification for example: frequency;
- Band identification for example: frequency band
- Bandwidth identification such as: bandwidth;
- Bandwidth part identification for example: BWP ID.
- the “location information corresponding to the reference time” includes any combination of one or more of the following:
- Cell identifier for example: Physical Cell Identifier (PCI); or Cell Global Identifier (CGI);
- PCI Physical Cell Identifier
- CGI Cell Global Identifier
- Cell group identifier for example: Master Cell Group (MCG); or Secondary Cell Group (SCG);
- Area location identification for example: Tracking Area Identification (TAI); or Access Network Notification Area (RAN) Identification, etc .;
- TAI Tracking Area Identification
- RAN Access Network Notification Area
- Operator identification such as: Public Area Wireless Network (Public, Land, Mobile, Network, PLMN).
- Public Area Wireless Network Public, Land, Mobile, Network, PLMN.
- the "beam information corresponding to the reference time transmission” includes any combination of one or more of the following:
- Reference signal identifier for example: Channel State Information Reference Signal (CSI-RS) identifier;
- CSI-RS Channel State Information Reference Signal
- the "reference time transmission corresponding beam information" includes one or more combinations of different CSI-RS and SSB identities.
- the network side configuration or the protocol agrees to a resource configuration of a reference time and time synchronization signal sent by the network, and the resource configuration includes any combination of one or more of the following:
- Transmission time period for example: 10ms
- the starting position of the transmission time for example: subframe 1 or time slot 1;
- Frequency information sent for example: 2GHz;
- the frequency bandwidth of the transmission for example: 20MHz;
- each frequency domain resource location is transmitted within the transmittable frequency range of time slot 1 (for example, within the range of 20MH); or, the transmission frequency range is transmitted at a certain frequency interval For example, every 60KHz is transmitted once in the transmittable frequency range of slot 1 (such as in the range of 20MH).
- Step 302 According to the triggering conditions in step 301, when the terminal receives the reference time information (for example, T reference ) sent by the network side, if the terminal triggers the reference time calibration, the terminal calculates the amount of time information that needs to be calibrated (for example: T delta ),
- the calculation method of "calculating the amount of time information that needs to be calibrated" includes any one of the following:
- Manner 2 The terminal can currently be used to calculate the Timing Advance (TA) value of the "time information requiring calibration”.
- TA Timing Advance
- the uplink transmission time advance of the uplink signal of the terminal is 10us, and the terminal converts the TA value into a signal transmission delay (for example, TA / 2).
- the method for determining the "TA value that can be used to calculate the" amount of time information requiring calibration "by the terminal includes any of the following:
- the terminal While calculating the amount of time information that needs to be calibrated, the terminal receives the TA value in the random access process (for example, the TA value in Random Access Response (RAR)), or receives the network side The TAC in the transmitted TAC MAC and CE value.
- RAR Random Access Response
- the terminal receives the TA value (for example, the TA value in the RAR) during the random access process some time before calculating the amount of time information that needs to be calibrated, or commands the media access control in advance from the time sent by the network side.
- TA value in the control unit receives the TA value (for example, the TA value in the RAR) during the random access process some time before calculating the amount of time information that needs to be calibrated, or commands the media access control in advance from the time sent by the network side.
- TA value in the control unit The amount of time in the "a period before calculating the amount of time information required for calibration" is a protocol agreement or a network configuration.
- the terminal currently has a TA value available (for example, the TA value corresponds to the TAT timer is running.)
- the terminal when the terminal determines that there is no "TA value available for calculating" amount of time information requiring calibration "", the terminal triggers a random access procedure (or, other uplink signal transmission procedures (for example: PUCCH / PUSCH / SRS, etc.)), after the terminal obtains the TA value through the random access process (or other uplink signal transmission process (such as PUCCH / PUSCH / SRS, etc.)), the terminal determines the random access process (or, In other uplink signal sending processes (for example: PUCCH / PUSCH / SRS, etc.), the TA value is obtained as a "TA value that can be used to calculate" amount of time information requiring calibration ".
- a random access procedure or, other uplink signal transmission procedures (for example: PUCCH / PUSCH / SRS, etc.)
- the terminal determines the random access process (or, In other uplink signal sending processes (for example: PUCCH / PUSCH / SRS, etc.)
- the "random access procedure (or, other uplink signal transmission procedures (for example, PUCCH / PUSCH / SRS, etc.)) obtains a TA value is any of the following:
- the TA value received for the first time (for example, the TA value received by the terminal after the terminal sends a random access request).
- the terminal attempts 2 random access procedures respectively, the terminal receives 2 TA values during the 2 random access procedures, and the 2nd random access attempt succeeds, the terminal performs the 2nd random access.
- the TA value obtained by the access attempt is "the TA value that can be used to calculate" the amount of time information that requires calibration ".
- the terminal Before the random access procedure is successful, the UE has tried 2 random access procedures respectively, the terminal received 2 TA values during the 2 random access procedures, and the second random access attempt succeeds, the terminal considers these 2 Any one of the TA values is "TA value that can be used to calculate" amount of time information requiring calibration ".
- the conditions for judging the success of the random access process include:
- the second message (Msg2) received by the terminal includes identification information of the first message (Msg1), for example, a preamble identifier;
- the fourth message (Msg4) received by the terminal contains the identification information of its third message (Msg3), for example: the Msg4 contention resolution identifier matches the content of Msg3. Request identification information for this TA.
- the cell corresponding to the random access request (that is, Msg1) in the random access process includes any one of the following:
- TAG Timing Advance Group
- the content of Msg1 or Msg3 in the random access process includes any combination of one or more of the following:
- Terminal identification for example: terminal identification information sent by RRC message (Timing Request message) or MAC CE.
- TA request information for example: TA request information sent by RRC message (Timing request message) or MAC CE, for example, Timing Request ID, for example, randomly generated according to the protocol agreement or network configuration Timing Request ID range Logo.
- Step 303 According to the "time amount information (for example, T delta ) used to calibrate the reference time amount" obtained in step 302 and the "reference time information (T reference ) sent by the network side" received by the terminal, the terminal calculates Real time information (T real ).
- time amount information for example, T delta
- T reference reference time information
- T real T reference -T delta .
- the "reference time information (T reference ) sent by the network side” is time information of the time agreed between the terminal and the network side.
- the agreement stipulates that the time position corresponding to the reference time received by the terminal is:
- the boundary of the SFN (System Frame Number) where the end boundary of the system message sending window of the system message for sending the reference time is located.
- the position of the SIB16 receiving the reference time information is (SFN_2, Subframe_1), and the system message sending window of the SIB16 is 10 subframes (subframes, there are 10 Subframes in 1 SFN), then the terminal receives
- the end boundary of the SIB16 corresponding to the time information corresponding to the system message window is (SFN_3, Subframe_1), and the reference time received by the terminal corresponds to the end boundary time of SFN_3.
- the protocol stipulates that the time position corresponding to the reference time received by the terminal is the position of a specific signal for time synchronization of the reference time, wherein the time synchronization signal may be sent in a periodic or event-triggered manner.
- the position at which the reference time information sent by the network is received is subframe 1
- the position of a subsequent "signal for time synchronization of the reference time" closest to the transmission position is subframe 9. Then, the terminal considers that the start position or the end position of the "signal for time synchronization of the reference time" of the subframe 9 is the time position corresponding to the reference time sent by the network side.
- the terminal can calibrate the reference time sent by the network side, thereby improving the accuracy of the reference time received by the terminal.
- An embodiment of the present disclosure also provides a terminal. Since the principle of the terminal's problem solving is similar to the time calibration method in the embodiments of the present disclosure, the implementation of the terminal can refer to the implementation of the method, and the details are not described again.
- the terminal 400 includes:
- a determining module 401 configured to determine time amount information for calibrating a reference time
- the calibration module 402 is configured to calibrate the reference time sent by the network side according to the amount of time information.
- the determining module 401 is further configured to determine the amount of time information for calibrating a reference time when a trigger event is satisfied, wherein the trigger event refers to triggering the The terminal performs the reference time calibration event.
- the determining module 401 is further configured to:
- the correspondence between the downlink path loss and the downlink signal transmission delay is configured by the network side or agreed by a protocol.
- the determining module 401 is further configured to: obtain a downlink signal transmission delay according to a TA value and a correspondence between the TA value and a downlink signal transmission delay; and transmit the downlink signal The delay is determined as the amount of time information used to calibrate the reference time.
- the timing advance value for determining the timing information includes any one of the following:
- the time advance sent by the received network side commands the TA value in the media access control control unit
- the effective TA value of the terminal for example, a time advance value currently available to the terminal.
- the receiving time of the timing advance value in the random access process is the same as the calculation time of the timing amount information; or, the timing advance value is in the random access process.
- the reception time in is preset time earlier than the calculation time of the amount of time information.
- the preset time is configured by the network side or agreed by an agreement.
- the terminal further includes a triggering module for triggering a random access process or other uplink signal sending process, and acquiring the random access process or other uplink signal sending process.
- the TA value is determined as a TA value used to determine the amount of time information.
- the timing advance value obtained in the random access process or other uplink signal sending process includes any one of the following:
- the time advance value received for the first time during the random access process or other uplink signal sending process is the time advance value received for the first time during the random access process or other uplink signal sending process
- Any one of multiple timing advance values received when the random access process or other uplink signal sending process is successful for example, the last time received when the random access process or other uplink signal sending process is successful Advance value.
- the cell corresponding to the random access request in the random access process includes any one of the following:
- the conditions for the success of the random access procedure include any one of the following:
- the second message (Msg2) received by the terminal includes identification information of the first message (Msg1) received by the terminal;
- the fourth message (Msg4) received by the terminal includes identification information of a third message (Msg3) received by the terminal.
- the content of the Msg1 or Msg3 includes any combination of one or more of the following:
- the trigger event is configured by the network side or agreed by a protocol.
- the trigger event includes one or any combination of the following:
- the terminal detects that the reference time is inaccurate
- the terminal determines that the service sent or received is a specific service.
- the terminal determines that the reference time is inaccurate, including any one of the following:
- the path loss measured by the terminal is greater than or equal to a first threshold value
- a change amount of a path loss measured by the terminal is greater than or equal to a second threshold value
- the uplink timing advance measured by the terminal is greater than or equal to a third threshold
- the amount of change in uplink timing advance measured by the terminal is greater than or equal to a fourth threshold
- the terminal detects that the timer started after the reference time calibration has timed out.
- any combination of one or more of the first threshold value, the second threshold value, the third threshold value, and the fourth threshold value is configured by the network side. Or agreed by the agreement.
- the information that the network side indicates that the reference time is inaccurate includes any combination of one or more of the following:
- the beam information instructed by the network side to receive the reference time is the beam information instructed by the network side to receive the reference time.
- the frequency information includes any combination of one or more of the following:
- the geographic location information includes any combination of one or more of the following:
- the beam information includes any combination of one or more of the following:
- the determining module is further configured to:
- the time position corresponding to the reference time sent by the network side is configured by the network side or agreed by an agreement.
- the time position corresponding to the reference time sent by the network side is: a boundary of a system frame number where an end boundary of a system message sending window is located, and the system message is used to send the reference time.
- the time position corresponding to the reference time sent by the network side is: a position of a signal for time synchronization of the reference time.
- the sending manner of the signal for the reference time and time synchronization is sending in a periodic manner or in an event-triggered manner.
- the resource configuration of the signal for the reference time and time synchronization is configured by the network side or agreed by a protocol.
- the resource configuration of the signal for the reference time and time synchronization includes any combination of one or more of the following:
- the terminal provided by the embodiment of the present disclosure can execute the foregoing method embodiments, and its implementation principles and technical effects are similar. This embodiment will not repeat them here.
- the terminal 500 shown in FIG. 5 includes: at least one processor 501, a memory 502, at least one network interface 504, and a user interface 503.
- the various components in the terminal 500 are coupled together via a bus system 505.
- the bus system 505 is configured to implement connection and communication between these components.
- the bus system 505 includes a data bus, a power bus, a control bus, and a status signal bus. However, for the sake of clarity, various buses are marked as the bus system 505 in FIG. 5.
- the user interface 503 may include a display, a keyboard, or a pointing device (for example, a mouse, a trackball), a touch panel, or a touch screen.
- a pointing device for example, a mouse, a trackball
- a touch panel for example, a touch screen.
- the memory 502 in the embodiment of the present disclosure may be a volatile memory or a non-volatile memory, or may include both volatile and non-volatile memory.
- the non-volatile memory may be a read-only memory (ROM), a programmable read-only memory (PROM), an erasable programmable read-only memory (EPROM), and an electronic memory. Erase programmable read-only memory (EPROM, EEPROM) or flash memory.
- the volatile memory may be Random Access Memory (RAM), which is used as an external cache.
- RAM Static Random Access Memory
- DRAM Dynamic Random Access Memory
- Synchronous Dynamic Random Access Memory Synchronous Dynamic Random Access Memory
- SDRAM double data rate synchronous dynamic random access memory
- Double SDRAM, DDRSDRAM enhanced synchronous dynamic random access memory
- Enhanced SDRAM, ESDRAM synchronous connection dynamic random access memory
- Synlink DRAM, SLDRAM synchronous connection dynamic random access memory
- Direct RAMbus RAM Direct RAMbus RAM
- the memory 502 stores the following elements, executable modules or data structures, or their subsets, or their extended sets: operating system 5021 and application programs 5022.
- the operating system 5021 includes various system programs, such as a framework layer, a core library layer, and a driver layer, etc., for implementing various basic services and processing hardware-based tasks.
- the application program 5022 includes various application programs, such as a media player (Player), a browser (Browser), and the like, and is used to implement various application services.
- a program that implements the methods of the embodiments of the present disclosure may be contained in an application program 5022.
- the program or instruction stored in the application program 5022 can be implemented to implement the following steps: determining the amount of time information used to calibrate the reference time Calibrating the reference time sent by the network side according to the amount of time information.
- the terminal provided by the embodiment of the present disclosure can execute the foregoing method embodiments, and its implementation principles and technical effects are similar. This embodiment will not repeat them here.
- the steps of the method or algorithm described in connection with the present disclosure may be implemented in a hardware manner, or may be implemented in a manner in which a processor executes software instructions.
- the software instructions may be composed of corresponding software modules, and the software modules may be stored in RAM, flash memory, ROM, EPROM, EEPROM, registers, hard disk, mobile hard disk, read-only optical disk, or any other form of storage medium known in the art.
- An exemplary storage medium is coupled to the processor such that the processor can read information from, and write information to, the storage medium.
- the storage medium may also be an integral part of the processor.
- the processor and the storage medium may reside in an ASIC.
- the ASIC can be located in a core network interface device.
- the processor and the storage medium can also exist as discrete components in the core network interface device.
- the functions described in this disclosure may be implemented in hardware, software, firmware, or any combination thereof.
- the functions may be stored on a computer-readable medium or transmitted as one or more instructions or code on a computer-readable medium.
- Computer-readable media includes computer storage media and communication media including any medium that facilitates transfer of a computer program from one place to another.
- a storage media may be any available media that can be accessed by a general purpose or special purpose computer.
- the embodiments of the present disclosure may be provided as a method, a system, or a computer program product. Therefore, the embodiments of the present disclosure may take the form of an entirely hardware embodiment, an entirely software embodiment, or an embodiment combining software and hardware aspects. Moreover, the embodiments of the present disclosure may take the form of a computer program product implemented on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) containing computer-usable program code.
- computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
- the disclosed apparatus and method may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the unit is only a logical function division.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
- each functional unit in each embodiment of the present disclosure may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present disclosure is essentially a part that contributes to the existing technology or a part of the technical solution may be embodied in the form of a software product.
- the computer software product is stored in a storage medium, including Several instructions are used to cause a computer device (which may be a personal computer, a server, or a network device, etc.) to perform all or part of the steps of the method described in various embodiments of the present disclosure.
- the foregoing storage medium includes various media that can store program codes, such as a U disk, a mobile hard disk, a ROM, a RAM, a magnetic disk, or an optical disk.
- the embodiments described in the embodiments of the present disclosure may be implemented by hardware, software, firmware, middleware, microcode, or a combination thereof.
- the processing unit can be implemented in one or more application-specific integrated circuits (ASICs), digital signal processors (DSP), digital signal processing devices (DSPD), programmable Programmable Logic Device (PLD), Field-Programmable Gate Array (FPGA), general-purpose processor, controller, microcontroller, microprocessor, other for performing functions described in this disclosure Electronic unit or combination thereof.
- ASICs application-specific integrated circuits
- DSP digital signal processors
- DSPD digital signal processing devices
- PLD programmable Programmable Logic Device
- FPGA Field-Programmable Gate Array
- controller microcontroller
- microprocessor other for performing functions described in this disclosure Electronic unit or combination thereof.
- the technology described in the embodiments of the present disclosure may be implemented by modules (such as procedures, functions, and the like) that perform the functions described in the embodiments of the present disclosure.
- Software codes may be stored in a memory and executed by a processor.
- the memory may be implemented in the processor or external to the processor.
- Embodiments of the present disclosure are described with reference to flowcharts and / or block diagrams of methods, devices (systems), and computer program products according to embodiments of the present disclosure. It should be understood that each process and / or block in the flowcharts and / or block diagrams, and combinations of processes and / or blocks in the flowcharts and / or block diagrams can be implemented by computer program instructions.
- These computer program instructions may be provided to a processor of a general-purpose computer, special-purpose computer, embedded processor, or other programmable data processing device to produce a machine, so that the instructions generated by the processor of the computer or other programmable data processing device are used to generate instructions Means for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
- These computer program instructions may also be stored in a computer-readable memory capable of directing a computer or other programmable data processing device to work in a particular manner such that the instructions stored in the computer-readable memory produce a manufactured article including an instruction device, the instructions
- the device implements the functions specified in one or more flowcharts and / or one or more blocks of the block diagram.
- These computer program instructions can also be loaded on a computer or other programmable data processing device, so that a series of steps can be performed on the computer or other programmable device to produce a computer-implemented process, which can be executed on the computer or other programmable device.
- the instructions provide steps for implementing the functions specified in one or more flowcharts and / or one or more blocks of the block diagrams.
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Abstract
Description
Claims (30)
- 一种时间校准的方法,应用于终端,所述方法包括:确定用于校准参考时间的时间量信息;根据所述时间量信息,对网络侧发送的参考时间进行校准。
- 根据权利要求1所述的方法,其中,所述确定用于校准参考时间的时间量信息,包括:当满足触发事件时,确定所述用于校准参考时间的时间量信息,其中,所述触发事件是指触发所述终端进行所述参考时间校准的事件。
- 根据权利要求1所述的方法,其中,所述确定所述用于校准参考时间的时间量信息,包括:获取所述终端接收信号的下行路径损耗;根据下行路径损耗与下行信号传输延时的对应关系,得到与所述终端接收信号的下行路径损耗对应的下行信号传输延时;将所述下行信号传输延时,确定为所述用于校准参考时间的时间量信息。
- 根据权利要求3所述的方法,其中,所述下行路径损耗与下行信号传输延时的对应关系由所述网络侧配置或由协议约定。
- 根据权利要求1所述的方法,其中,所述确定所述用于校准参考时间的时间量信息,包括:根据时间提前量TA值,以及TA值与下行信号传输延时的对应关系,得到下行信号传输延时;将所述下行信号传输延时,确定为所述用于校准参考时间的时间量信息。
- 根据权利要求5所述的方法,其中,所述TA值,包括以下任意一项:在随机接入过程中接收到的TA值;接收到的网络侧发送的时间提前命令媒体接入控制控制单元中的TA值;所述终端的有效TA值。
- 根据权利要求6所述的方法,其中,所述TA值在随机接入过程中的接收时间与所述时间量信息的计算时间相同;或者,所述TA值在随机接入过程中的接收时间比所述时间量信息的计算时间提前预设时间。
- 根据权利要求7所述的方法,其中,所述预设时间由所述网络侧配置或由协议约定。
- 根据权利要求5所述的方法,其中,所述确定所述用于校准参考时间的时间量信息,还包括:触发随机接入过程或者其他上行信号发送过程;将所述随机接入过程或者其他上行信号发送过程中获取的TA值,确定为用于确定所述时间量信息的TA值。
- 根据权利要求9所述的方法,其中,所述随机接入过程或者其他上行信号发送过程中获取的TA值,包括以下任意一项:所述随机接入过程或者其他上行信号发送过程中第一次接收到的TA值;所述随机接入过程或者其他上行信号发送过程成功时接收到的多个TA值中的任意一个。
- 根据权利要求10所述的方法,其中,所述随机接入过程的随机接入请求对应的小区,包括以下任意一项:发送所述参考时间的小区;发送所述参考时间的小区所属的定时提前组下的任意一个小区;发送所述参考时间的小区所属的定时提前组下的任意一个主小区;发送所述参考时间的小区所属的定时提前组下的任意一个辅小区。
- 根据权利要求10所述的方法,其中,所述随机接入过程成功的条件,包括以下任意一项:所述终端接收的第二消息Msg2中包含所述终端接收的第一消息Msg1的标识信息;所述终端接收的第四消息Msg4中包含所述终端接收的第三消息Msg3的标识信息。
- 根据权利要求12所述的方法,其中,所述Msg1或Msg3的内容包括以下一项或多项的任意组合:所述终端的标识;TA值请求信息。
- 根据权利要求2所述的方法,其中,所述触发事件由所述网络侧配置或由协议约定。
- 根据权利要求2所述的方法,其中,所述触发事件包括以下一项或任意项组合:所述终端检测到所述参考时间不准确;所述终端接收到网络侧指示所述参考时间不准确的信息;所述终端判断发送或接收的业务为特定业务。
- 根据权利要求15所述的方法,其中,所述终端检测到所述参考时间不准确的判断方式,包括以下任意一项:所述终端测量的路径损耗大于或等于第一门限值;所述终端测量的路径损耗的变化量大于或等于第二门限值;所述终端测量的上行定时提前量大于或等于第三门限值;所述终端测量的上行定时提前量的变化量大于或等于第四门限值;所述终端检测到在进行参考时间校准后启动的定时器超时。
- 根据权利要求16所述的方法,其中,所述第一门限值、第二门限值、第三门限值和第四门限值中的一项或多项的任意组合由所述网络侧配置或由协议约定。
- 根据权利要求15所述的方法,其中,所述网络侧指示所述参考时间不准确的信息,包括以下一项或多项的任意组合:所述网络侧指示的接收所述参考时间的频率信息;所述网络侧指示的接收所述参考时间的地理位置信息;所述网络侧指示的接收所述参考时间的波束信息。
- 根据权利要求18所述的方法,其中,所述频率信息包括以下一项或多项的任意组合:频点标识;频带标识;带宽标识;带宽部分标识。
- 根据权利要求18所述的方法,其中,所述地理位置信息包括以下一项或多项的任意组合:小区标识;小区组标识;区域位置标识;运营商标识。
- 根据权利要求18所述的方法,其中,所述波束信息包括以下一项或多项的任意组合:参考信号标识;同步信号块标识。
- 根据权利要求1所述的方法,其中,所述确定所述用于校准参考时间的时间量信息,包括:向所述网络侧发送请求信息;从所述网络侧接收校准时间量;将所述校准时间量,确定为所述用于校准参考时间的时间量信息。
- 根据权利要求1所述的方法,其中,所述网络侧发送的参考时间对应的时间位置由所述网络侧配置或由协议约定。
- 根据权利要求23所述的方法,其中,所述网络侧发送的参考时间对应的时间位置为:用于所述参考时间时间同步的信号的位置。
- 根据权利要求24所述的方法,其中,所述用于所述参考时间时间同步的信号的发送方式为周期性的方式发送或者事件触发的方式发送。
- 根据权利要求24所述的方法,其中,所述用于所述参考时间时间同步的信号的资源配置由所述网络侧配置或由协议约定。
- 根据权利要求26所述的方法,其中,所述用于所述参考时间时间同步的信号的资源配置包括以下一项或多项的任意组合:发送时间周期;发送时间起始位置;与所述发送时间起始位置相对的偏移量;发送的频点信息;发送的频带宽度;发送的频域图样。
- 一种终端,包括:确定模块,用于确定用于校准参考时间的时间量信息;校准模块,用于根据所述时间量信息,对网络侧发送的参考时间进行校准。
- 一种终端,包括:处理器、存储器及存储在所述存储器上并可在所述处理器上运行的程序,所述程序被所述处理器执行时实现如权利要求1至27中任一项所述的时间校准的方法的步骤。
- 一种计算机可读存储介质,所述计算机可读存储介质上存储有计算机程序,所述计算机程序被处理器执行时实现如权利要求1至27中任一项所述的时间校准的方法的步骤。
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CN114389785A (zh) * | 2020-10-16 | 2022-04-22 | 维沃移动通信有限公司 | 参考信号的调整方法及装置、终端及网络侧设备 |
US20220132448A1 (en) * | 2020-10-27 | 2022-04-28 | Electronics And Telecommunications Research Institute | Method and apparatus for synchronization in wireless communication system |
WO2022141575A1 (zh) * | 2020-12-31 | 2022-07-07 | 北京小米移动软件有限公司 | 一种参考时间信息的使用方法及装置 |
CN114270962A (zh) * | 2021-11-15 | 2022-04-01 | 北京小米移动软件有限公司 | 一种上行同步方法、装置及可读存储介质 |
CN118104322A (zh) * | 2021-12-15 | 2024-05-28 | Oppo广东移动通信有限公司 | 上行同步中的定时提前量维持方法、终端设备和网络设备 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101594705A (zh) * | 2008-05-30 | 2009-12-02 | 展讯通信(上海)有限公司 | 时分双工系统的定时调整方法及基站 |
US20100260155A1 (en) * | 2001-07-09 | 2010-10-14 | Qualcomm Incorporated | Method and apparatus for time-aligning transmissions from multiple base stations in a cdma communication system |
CN102457371A (zh) * | 2010-10-27 | 2012-05-16 | 华为技术有限公司 | 时间同步方法和相关设备及系统 |
WO2015002454A1 (en) * | 2013-07-02 | 2015-01-08 | Samsung Electronics Co., Ltd. | Method and apparatus for establishing synchronization and transmitting/receiving signal in beamforming system |
CN106488550A (zh) * | 2016-12-20 | 2017-03-08 | 华为技术有限公司 | 确定终端与基站时钟时间偏差的方法与装置 |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8843136B2 (en) * | 2008-03-10 | 2014-09-23 | Telefonaktiebolaget Lm Ericsson (Publ) | System and method for performing timing updates in a mobile device |
US9042296B2 (en) * | 2009-07-23 | 2015-05-26 | Qualcomm Incorporated | Synchronization of devices in a wireless communication network |
CN104270238B (zh) * | 2009-09-30 | 2017-09-12 | 华为技术有限公司 | 时间同步方法、装置和系统 |
EP2829133B1 (en) * | 2012-03-19 | 2020-03-11 | Nokia Technologies Oy | Method and apparatus for managing a wireless connection |
US9503246B2 (en) | 2012-05-10 | 2016-11-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Uplink timing error reduction method and apparatus |
DE102012214125A1 (de) * | 2012-08-09 | 2014-02-13 | Siemens Aktiengesellschaft | Übertragung eines Ereignissignals |
JP6125939B2 (ja) | 2013-07-29 | 2017-05-10 | 京セラ株式会社 | ユーザ端末及びプロセッサ |
CN103546267A (zh) * | 2013-09-25 | 2014-01-29 | 广东电网公司电力调度控制中心 | 时间同步的监测方法和系统 |
US10129839B2 (en) * | 2014-12-05 | 2018-11-13 | Qualcomm Incorporated | Techniques for synchronizing timing of wireless streaming transmissions to multiple sink devices |
CN105228240B (zh) * | 2015-10-15 | 2018-10-16 | 北京北方烽火科技有限公司 | 一种定时同步方法、设备及基站 |
CN106656386B (zh) * | 2015-10-30 | 2019-08-27 | 南京中兴新软件有限责任公司 | 一种本地时钟调整方法、授时方法及装置 |
CN105356992A (zh) * | 2015-11-30 | 2016-02-24 | 上海斐讯数据通信技术有限公司 | 一种电子设备及其应用的时间校准方法 |
WO2017218847A1 (en) | 2016-06-15 | 2017-12-21 | Convida Wireless, Llc | Grant-less operations |
EP3533263A4 (en) | 2016-10-28 | 2020-07-01 | Telefonaktiebolaget LM Ericsson (PUBL) | USER DEVICE COMPENSATED TIME FORWARD |
CN107612788B (zh) * | 2017-11-07 | 2020-09-18 | 中国电子科技集团公司第二十八研究所 | 一种时间服务器故障检测方法、设备和系统 |
US10972994B2 (en) * | 2018-03-30 | 2021-04-06 | Qualcomm Incorporated | Timing adjustment in CV2X |
-
2018
- 2018-09-25 CN CN201811117194.8A patent/CN110944379B/zh active Active
-
2019
- 2019-09-12 WO PCT/CN2019/105605 patent/WO2020063363A1/zh unknown
- 2019-09-12 EP EP19867300.6A patent/EP3860237A4/en active Pending
- 2019-09-12 KR KR1020217011593A patent/KR102476203B1/ko active IP Right Grant
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-
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- 2021-03-23 US US17/210,313 patent/US20210212009A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20100260155A1 (en) * | 2001-07-09 | 2010-10-14 | Qualcomm Incorporated | Method and apparatus for time-aligning transmissions from multiple base stations in a cdma communication system |
CN101594705A (zh) * | 2008-05-30 | 2009-12-02 | 展讯通信(上海)有限公司 | 时分双工系统的定时调整方法及基站 |
CN102457371A (zh) * | 2010-10-27 | 2012-05-16 | 华为技术有限公司 | 时间同步方法和相关设备及系统 |
WO2015002454A1 (en) * | 2013-07-02 | 2015-01-08 | Samsung Electronics Co., Ltd. | Method and apparatus for establishing synchronization and transmitting/receiving signal in beamforming system |
CN106488550A (zh) * | 2016-12-20 | 2017-03-08 | 华为技术有限公司 | 确定终端与基站时钟时间偏差的方法与装置 |
Non-Patent Citations (1)
Title |
---|
See also references of EP3860237A4 * |
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CN110944379A (zh) | 2020-03-31 |
EP3860237A1 (en) | 2021-08-04 |
KR20210058948A (ko) | 2021-05-24 |
CN110944379B (zh) | 2022-03-01 |
EP3860237A4 (en) | 2021-12-22 |
KR102476203B1 (ko) | 2022-12-08 |
JP7203208B2 (ja) | 2023-01-12 |
US20210212009A1 (en) | 2021-07-08 |
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