WO2020156290A1 - Procédé et dispositif de traitement de bwp, équipement associé et support de stockage - Google Patents

Procédé et dispositif de traitement de bwp, équipement associé et support de stockage Download PDF

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Publication number
WO2020156290A1
WO2020156290A1 PCT/CN2020/073047 CN2020073047W WO2020156290A1 WO 2020156290 A1 WO2020156290 A1 WO 2020156290A1 CN 2020073047 W CN2020073047 W CN 2020073047W WO 2020156290 A1 WO2020156290 A1 WO 2020156290A1
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WIPO (PCT)
Prior art keywords
bwp
bit
establishment
value
terminal
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PCT/CN2020/073047
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English (en)
Chinese (zh)
Inventor
陈晶晶
谢芳
陈卓
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中国移动通信有限公司研究院
中国移动通信集团有限公司
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Publication of WO2020156290A1 publication Critical patent/WO2020156290A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/19—Connection re-establishment

Definitions

  • This application relates to the field of wireless communications, and in particular to a method, device, related equipment, and storage medium for processing BandWidth Part (BWP).
  • BWP BandWidth Part
  • the terminal In the fifth-generation mobile communication technology (5G) new radio (NR, New Radio) system, when the current radio resource control (RRC, Radio Resource Control) link has problems, such as radio link failure, handover failure, etc., the terminal will initiate RRC connection reconstruction process.
  • the terminal starts the cell selection process, selects a suitable cell, and initiates an RRC re-establishment request in the cell.
  • embodiments of the present application provide a BWP processing method, device, related equipment, and storage medium.
  • the embodiment of the application provides a BWP processing method, which is applied to a terminal, and the method includes:
  • BWP related information Acquire BWP related information, where the BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the obtaining of BWP related information includes one of the following:
  • the RRC reconstruction is initiated on the BWP corresponding to the BWP-related information or the RRC reconstruction is initiated preferentially.
  • the BWP related information includes at least one of the following information:
  • the multiple BWP indexes satisfy one of the following:
  • the order of the BWP index in the information element (IE) is the order of the BWP reconstructed by the terminal RRC;
  • the sequence of the BWPs corresponding to the multiple BWP indexes reconstructed by the RRC is the sequence of the BWP reconstructed by the RRC of the specified terminal;
  • the sequence of the BWP corresponding to the multiple BWP indexes reconstructed by the RRC is the sequence of the BWP reconstructed by the RRC of the terminal explicitly notified by the network through signaling;
  • the sequence of the BWP corresponding to the multiple BWP indexes reconstructed by the RRC is determined by the BWP selection threshold.
  • the BWP selection threshold includes at least one of the following:
  • RSRP Reference signal received power for measurement
  • Channel busy duration and/or channel idle duration are examples of channels busy duration and/or channel idle duration.
  • bitmap is 1 bit;
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the non-initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined that the RRC connection re-establishment is not initiated in the non-initial BWP;
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined not to initiate the RRC connection re-establishment in the initial BWP;
  • bit is configured as the first value, it is determined to initiate RRC connection re-establishment in the non-initial BWP; if the bit is configured as the second value or the bit is not configured, it is determined to initiate the RRC connection re-establishment in the initial BWP.
  • bitmap is multi-bit; wherein, each bit corresponds to one BWP.
  • the one or more BWP indexes are indicated by multiple bits.
  • the BWP transition timer is the duration for the terminal to initiate RRC re-establishment on the configured BWP.
  • the BWP conversion counter is the number of times the terminal initiates RRC re-establishment on the configured BWP.
  • the embodiment of the present application also provides a BWP processing method, which is applied to network equipment, including:
  • the BWP related information is delivered to the terminal; the delivered BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the BWP related information includes at least one of the following information:
  • the multiple BWP indexes satisfy one of the following:
  • the sequence of the BWP in the IE is the sequence of the BWP reconstructed by the terminal RRC;
  • the sequence of the BWPs corresponding to the multiple BWP indexes reconstructed by the RRC is the sequence of the BWP reconstructed by the RRC of the specified terminal;
  • the sequence of the BWP corresponding to the multiple BWP indexes reconstructed by the RRC is the sequence of the BWP reconstructed by the RRC of the terminal explicitly notified by the network through signaling;
  • the sequence of the BWP corresponding to the multiple BWP indexes reconstructed by the RRC is determined by the BWP selection threshold.
  • the BWP selection threshold includes at least one of the following:
  • Channel busy duration and/or channel idle duration are examples of channels busy duration and/or channel idle duration.
  • bitmap is 1 bit;
  • the configuration bit is the first value, and the configuration as the first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates that The terminal does not initiate RRC connection re-establishment in a non-initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates the The terminal does not initiate RRC connection re-establishment within the initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or non-configuration indicates the terminal Initiate RRC connection re-establishment within the initial BWP.
  • bitmap is multi-bit; wherein, each bit corresponds to one BWP.
  • the one or more BWP indexes are indicated by multiple bits.
  • the BWP transition timer is the duration for the terminal to initiate RRC re-establishment on the configured BWP.
  • the BWP conversion counter is the number of times the terminal initiates RRC re-establishment on the configured BWP.
  • the embodiment of the present application further provides a BWP processing device, including:
  • the acquiring unit is configured to acquire BWP related information, where the BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the device further includes: a reconstruction unit configured to initiate RRC reconstruction or preferentially initiate RRC reconstruction on the BWP corresponding to the BWP-related information.
  • the BWP related information includes at least one of the following information:
  • the bitmap is 1 bit; the device further includes: a reconstruction unit configured to:
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the non-initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined that the RRC connection re-establishment is not initiated in the non-initial BWP;
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined not to initiate the RRC connection re-establishment in the initial BWP;
  • bit is configured as the first value, it is determined to initiate RRC connection re-establishment in the non-initial BWP; if the bit is configured to the second value or the bit is not configured, it is determined to initiate the RRC connection re-establishment in the initial BWP.
  • the embodiment of the present application also provides a BWP processing device, including:
  • the issuing unit is configured to issue BWP related information to the terminal; the issued BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the BWP related information includes at least one of the following information:
  • bitmap is 1 bit; the device further includes: a configuration unit configured to:
  • the configuration bit is the first value, and the configuration as the first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates that The terminal does not initiate RRC connection re-establishment in a non-initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates the The terminal does not initiate RRC connection re-establishment within the initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or non-configuration indicates the terminal Initiate RRC connection re-establishment within the initial BWP.
  • An embodiment of the present application also provides a terminal, including: a first communication interface and a first processor; wherein,
  • the first processor is configured to obtain BWP related information through the first communication interface, where the BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the first processor is further configured to initiate RRC re-establishment or preferentially initiate RRC re-establishment on the BWP corresponding to the BWP-related information through the first communication interface.
  • the BWP related information includes at least one of the following information:
  • bitmap is 1 bit; the first processor is further configured to:
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the non-initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined that the RRC connection re-establishment is not initiated in the non-initial BWP;
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined not to initiate the RRC connection re-establishment in the initial BWP;
  • bit is configured as the first value, it is determined to initiate RRC connection re-establishment in the non-initial BWP; if the bit is configured as the second value or the bit is not configured, it is determined to initiate the RRC connection re-establishment in the initial BWP.
  • the embodiment of the present application also provides a network device, including: a second communication interface and a second processor; wherein,
  • the second processor is configured to deliver BWP related information to the terminal through the second communication interface; the delivered BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the BWP related information includes at least one of the following information:
  • bitmap is 1 bit; the second processor is further configured to:
  • the configuration bit is the first value, and the configuration as the first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates that The terminal does not initiate RRC connection re-establishment in a non-initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates the The terminal does not initiate RRC connection re-establishment within the initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or non-configuration indicates the terminal Initiate RRC connection re-establishment within the initial BWP.
  • An embodiment of the present application also provides a terminal, including: a first processor and a first memory configured to store a computer program that can run on the processor,
  • the first processor is configured to execute the steps of any method on the terminal side when running the computer program.
  • An embodiment of the present application also provides a network device, including: a second processor and a second memory configured to store a computer program that can run on the processor,
  • the second processor is configured to execute the steps of any method on the network device side when running the computer program.
  • the embodiment of the present application also provides a storage medium on which a computer program is stored, and when the computer program is executed by a processor, the steps of any method on the terminal side or the steps of any method on the network device side are implemented.
  • the terminal obtains BWP related information, and the BWP related information is used for the terminal to initiate RRC connection re-establishment, because it is configured to initiate RRC connection re-establishment In this way, the terminal can quickly select the BWP for RRC connection re-establishment, so that the data transmission and reception can be restored faster, and the system performance can be improved.
  • FIG. 1 is a schematic flowchart of a method for processing BWP on the terminal side according to an embodiment of the application;
  • FIG. 2 is a schematic flowchart of a method for processing BWP on the network device side according to an embodiment of this application;
  • FIG. 3 is a schematic structural diagram of a BWP processing device according to an embodiment of this application.
  • FIG. 4 is a schematic structural diagram of another BWP processing device according to an embodiment of the application.
  • Figure 5 is a schematic diagram of a terminal structure according to an embodiment of the application.
  • FIG. 6 is a schematic diagram of the structure of a network device according to an embodiment of the application.
  • FIG. 7 is a schematic diagram of the structure of the BWP processing system according to an embodiment of the application.
  • the terminal initiates random access within the initial BWP (which can be expressed as initial BWP in English).
  • the terminal performs data transmission and reception on the activated BWP of the serving cell (the activated BWP may be different from the initial BWP).
  • the terminal In the process of data transmission and reception, when there is a problem with the RRC link, the terminal needs to reestablish the RRC connection. In this case, there will be a problem of BWP selection. For example, if the terminal is re-established to the original serving cell, since both the initial BWP and the original activated BWP can be used to initiate RRC re-establishment, there is a BWP selection problem.
  • the terminal obtains BWP related information for initiating RRC connection re-establishment. Since the BWP related information used to initiate the RRC connection re-establishment is obtained, the terminal can quickly select the BWP for the RRC connection re-establishment, so that the data transmission and reception can be restored faster, and the system performance can be improved.
  • the embodiment of the application provides a method for processing BWP, which is applied to a terminal. As shown in FIG. 1, the method includes:
  • Step 100 Determine that RRC connection re-establishment is required
  • the terminal determines that the RRC connection re-establishment is required.
  • Step 101 Obtain BWP related information.
  • the BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • steps 100 and 101 can be executed in no particular order.
  • the terminal may obtain the BWP related information by receiving the BWP related information issued by the network, and may also obtain the BWP related information by obtaining the prescribed BWP related information.
  • the network may deliver BWP related information to the terminal through RRC connection reconfiguration signaling, or may deliver the BWP related information to the terminal when configuring the BWP for the terminal.
  • the terminal may initiate RRC re-establishment on the BWP corresponding to the BWP-related information, that is, the terminal initiates RRC re-establishment or preferentially initiates RRC on the BWP corresponding to the BWP-related information reconstruction.
  • the BWP related information includes at least one of the following information:
  • BWP index (a BWP index
  • the BWP index may be BWP ID.
  • the included BWP index may be an initial BWP index or a non-initial BWP index.
  • the initial BWP is obtained when the terminal initially accesses the network and is configured by the system broadcast;
  • the non-initial BWP is the BWP configured by the network through RRC signaling after the terminal enters the connected state.
  • the BWP of BWP ID 0 (BWP ID is 0) always represents the initial BWP; when the number of BWPs configured by RRC is greater than or equal to 4, BWP ID 0 cannot indicate the initial BWP.
  • the BWP ID cannot indicate the initial BWP.
  • the network cannot instruct the terminal to initiate random access on the initial BWP through the BWP index, and it needs to explicitly notify the terminal to initiate random access on the initial BWP.
  • the terminal needs to determine the sequence of the BWP to be attempted to rebuild the RRC.
  • the sequence of the BWP index in the IE may be the sequence of the BWP rebuilt by the terminal RRC, that is, the network signaling indicates the sequence, or the sequence of the BWP corresponding to the multiple BWP indexes rebuilt by the RRC may be the specified terminal RRC rebuild
  • the order of the BWPs, that is, the prescribed order, or the order of the BWPs corresponding to the multiple BWP indexes reconstructed by RRC may be the order of the BWPs reconstructed by the terminal RRC explicitly notified by the network through signaling; or
  • the sequence of the BWP corresponding to multiple BWP indexes can be determined by the BWP selection threshold (in actual applications, you can determine how to select the sequence by the BWP selection threshold according to your needs.
  • the measured value of BWP is different from the selection threshold.
  • the order of the BWP corresponding to the multiple BWP indexes of the RRC reconstruction is determined according to the magnitude of the difference.
  • the BWP with the larger difference is first in the order of the RRC reconstruction.
  • the order of small BWP RRC reconstruction is later; for another example, multiple BWP selection thresholds can be set, and multiple BWP selection thresholds can be divided into different sizes.
  • the measured value of each BWP is compared with multiple BWP selection thresholds. Determine the sequence of the BWPs corresponding to the multiple BWP indexes reconstructed by RRC.
  • two selection thresholds can be set, the first threshold and the second threshold.
  • the first threshold is higher than the second threshold and higher than the second.
  • the order of threshold BWP RRC reconstruction is first, the order of BWP RRC reconstruction that is higher than the first threshold and lower than the second threshold is second, and the order of BWP RRC reconstruction that is lower than the second threshold is last).
  • one or more indexes can be indicated by multiple bits.
  • one way is to indicate the BWP index through N bits, for example, 00 represents BWP ID 0, 01 represents BWP ID 1 (BWP ID is 1), 10 represents BWP ID 2 (BWP ID is 2), and 00 represents BWP ID 3 (BWP ID is 3).
  • Another implementation is to indicate multiple BWP indexes through M bits, for example, starting from the highest bit (leftmost bit) bit, and indicating one BWP index every K bits. Among them, M and K are non-zero integers, M>K.
  • one of the above-mentioned methods can be selected as the sequence of the BWP that the terminal attempts to rebuild by RRC.
  • the BWP selection threshold includes at least one of the following:
  • Channel busy duration and/or channel idle duration are examples of channels busy duration and/or channel idle duration.
  • the BWP selection threshold includes at least one of the following:
  • the received power threshold of the reference signal for measurement is the received power threshold of the reference signal for measurement
  • the threshold for the ratio of reference signal to interference plus noise for measurement is the threshold for the ratio of reference signal to interference plus noise for measurement
  • the measurement reference signal refers to reference symbols that can be used for measurement, such as synchronization signal/physical broadcast channel block (SSB, SS/PBCH Block), channel state information reference signal (CSI-RS, CSI Reference Signal), and so on.
  • SSB synchronization signal/physical broadcast channel block
  • CSI-RS channel state information reference signal
  • CSI Reference Signal CSI Reference Signal
  • the terminal can autonomously determine the BWP for initiating RRC reconstruction according to the BWP selection threshold.
  • bitmap is multi-bit; wherein, each bit corresponds to one BWP.
  • the BWP transition timer is the duration for the terminal to initiate RRC re-establishment on the configured BWP. Specifically, the terminal starts the timer when it initiates an RRC connection re-establishment request on the configured BWP. When the timer expires, the terminal does not receive feedback from the network for the RRC connection re-establishment request on the configured BWP, Stop waiting on the configured BWP.
  • the BWP conversion counter is the number of times the terminal initiates RRC re-establishment on the configured BWP. Specifically, the terminal starts the counter when it initiates an RRC connection re-establishment request on the configured BWP, and when the number of initiating RRC connection re-establishment requests reaches the preset number, and the network does not receive an RRC connection re-establishment request from the network on the configured BWP When the feedback is received, stop waiting on the configured BWP.
  • the mode of the bitmap may be 1 bit or multiple bits.
  • bitmap is 1 bit
  • the bit is configured to the first value, and the terminal determines to initiate RRC connection re-establishment in the non-initial BWP; the bit is configured to the second value or the bit is not configured, and the terminal determines not to initiate RRC in the non-initial BWP Connection reconstruction
  • the bit is configured to the first value, and the terminal determines to initiate RRC connection re-establishment in the initial BWP; the bit is configured to the second value or the bit is not configured, and the terminal determines not to initiate the RRC connection re-establishment in the initial BWP ;
  • the bit is configured to the first value, and the terminal determines to initiate RRC connection re-establishment in the non-initial BWP; the bit is configured to the second value or the bit is not configured, and the terminal determines to initiate the RRC connection in the initial BWP reconstruction.
  • bitmap is 1 bit, it is suitable for initiating the process of RRC connection re-establishment in the original serving cell.
  • the first value and the second value can be set as required.
  • the first value can be set to 1 and the second value can be set to 0.
  • the terminal has previously learned the meaning of each parameter when it is configured as the first value, the second value or when it is not configured.
  • each bit corresponds to a BWP.
  • bit when the bit is set to zero, it means that the RRC reconstruction cannot be initiated on the BWP, and the bit is set to 1 to indicate that the RRC reconstruction can be initiated on the BWP.
  • the terminal When the terminal is re-established to the original serving cell, the terminal determines that the BWP that initiated the RRC connection re-establishment is another BWP (non-initial BWP) other than the initial BWP, and determines that random access related resources are configured in the original activated BWP, and the original When the data transmission and reception in the activated BWP is not completed, initiate RRC connection re-establishment in the other BWP.
  • the BWP that initiated the RRC connection re-establishment is another BWP (non-initial BWP) other than the initial BWP, and determines that random access related resources are configured in the original activated BWP, and the original When the data transmission and reception in the activated BWP is not completed, initiate RRC connection re-establishment in the other BWP.
  • BWP non-initial BWP
  • the RRC connection re-establishment is initiated in the original BWP.
  • the embodiment of the present application also provides a BWP processing method, which is applied to a network device (such as a base station, etc.). As shown in FIG. 2, the method includes:
  • Step 200 Determine BWP related information
  • Step 201 Deliver BWP related information to the terminal.
  • the issued BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the network device can have the following configurations:
  • the configuration bit is the first value, and the configuration as the first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or Not configured indicates that the terminal does not initiate RRC connection re-establishment in a non-initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured The configuration indicates that the terminal does not initiate RRC connection re-establishment in the initial BWP;
  • the third type is that the configuration bit is the first value, and the configured first value instructs the terminal to initiate RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured Instruct the terminal to initiate RRC connection re-establishment within the initial BWP.
  • the terminal obtains BWP related information, and the BWP related information is used for the terminal to initiate RRC connection re-establishment. Since the BWP related information used to initiate RRC connection re-establishment is obtained, the terminal is The BWP can be quickly selected for RRC connection re-establishment, so that data transmission and reception can be recovered faster and system performance can be improved.
  • the terminal is in a connected state.
  • Step 1 The serving cell notifies the terminal to initiate the BWP index of RRC reconstruction through RRC signaling;
  • Step 2 When there is a problem with the RRC link, the terminal starts the RRC connection re-establishment and performs cell selection;
  • Step 3 The terminal judges whether the selected cell is the original serving cell
  • the terminal can obtain the cell ID through the detected primary synchronization signal (PSS)/secondary synchronization signal (SSS), so as to determine whether the selected cell is the original serving cell.
  • PSS primary synchronization signal
  • SSS secondary synchronization signal
  • Step 4 If the selected cell is a new cell, the terminal initiates an RRC re-establishment request on the initial BWP of the new cell; if the cell selects the original serving cell, the terminal judges according to the BWP index in the RRC signaling of the original serving cell previously received On which BWP initiates the RRC reestablishment request, and initiates the RRC connection reestablishment request on the corresponding BWP.
  • the terminal initiates an RRC connection reestablishment request on the original activated BWP (the BWP index in the RRC signaling is the original activated BWP index), then the terminal initiates an RRC connection reestablishment request on the original activated BWP of the original serving cell.
  • the terminal is in a connected state.
  • Step 1 The serving cell informs the terminal to initiate the BWP sequence of RRC reestablishment through RRC signaling, that is, multiple BWP indexes are notified, and the sequence of BWP rebuilt by the terminal RRC is indicated through signaling;
  • Step 2 When there is a problem with the RRC link, the terminal starts the RRC connection re-establishment and performs cell selection;
  • Step 3 The terminal judges whether the selected cell is the original serving cell
  • the terminal can obtain the cell ID through the detected PSS/SSS, thereby determining whether the selected cell is the original serving cell.
  • Step 4 If the cell selects a new cell, the terminal initiates an RRC reestablishment request on the initial BWP of the new cell; if the cell selects the original serving cell, the terminal determines how to initiate an RRC reestablishment request based on the previously received signaling of the original serving cell. And initiate an RRC connection re-establishment request on the corresponding BWP.
  • the original serving cell signaling informs the terminal to initiate an RRC re-establishment request on BWP-1 and BWP-3, and the re-establishment priority from high to low is: BWP-1>BWP-3, that is, the sequence of BWP rebuilt by the terminal RRC
  • the terminal In order to initiate RRC connection re-establishment on BWP-1 first, and then initiate RRC connection re-establishment on BWP-3, the terminal first initiates an RRC connection re-establishment request on BWP-1 of the original serving cell. If it is not successful, the terminal attempts to re-establish the RRC connection on BWP- 3 initiates an RRC connection re-establishment request.
  • the RRC re-establishment timer ie BWP conversion timer
  • counter BWP conversion counter
  • the function of the counter is exactly the same as that of the timer.
  • the terminal initiates an RRC connection re-establishment request on the BWP configured by the network, and starts a timer 1 (timer 1). If the terminal receives the RRC connection reestablishment (RRCReestablishment) or RRC connection establishment (RRCSetup) feedback from the network before the timer 1 expires, that is, when it receives a feedback for the RRC connection reestablishment request, the timer 1 stops timing.
  • RRCReestablishment RRC connection reestablishment
  • RRCSetup RRC connection establishment
  • timer 1 expires, that is, after the timeout, the terminal does not receive RRCReestablishment or RRCSetup
  • the terminal stops waiting on the BWP configured by the network and initiates RRC connection re-establishment on the initial BWP, and at the same time starts timer 2 ((timer2)). If the terminal receives the RRCReestablishment or RRCSetup feedback from the network before the timer 2 expires, the timer 2 stops timing. If timer2 expires and the terminal does not receive RRCReestablishment or RRCSetup, the terminal returns to the idle state.
  • the RRC re-establishment timer ie BWP conversion timer
  • counter BWP conversion counter
  • the function of the timer is exactly the same as that of the counter.
  • the terminal initiates an RRC connection re-establishment request on the BWP configured by the network and starts a counter 1 (counter 1). If before the counter 1 expires, that is, when the number of RRC connection reestablishment requests initiated on the configured BWP has not reached the preset number, the terminal receives the RRCReestablishment or RRCSetup feedback from the network, that is, when it receives the feedback for the RRC connection reestablishment request , The counter 1 stops timing.
  • counter1 expires, that is, when the number of RRC connection reestablishment requests initiated on the configured BWP reaches the preset number, the terminal does not receive RRCReestablishment or RRCSetup, the terminal stops waiting on the BWP configured by the network and initiates an RRC connection within the initial BWP Rebuild and start counter 2 ((counter 1)) at the same time. If the terminal receives RRCReestablishment or RRCSetup fed back by the network before the count2 expires, the count2 stops timing. If counter 2 expires and the terminal does not receive RRCReestablishment or RRCSetup, the terminal returns to the idle state.
  • an RRC re-establishment timer ie, BWP conversion timer
  • counter BWP conversion counter
  • the function of the counter is exactly the same as that of the timer.
  • the terminal initiates an RRC connection re-establishment request in the initial BWP, and starts a timer 1 (timer 1), and also starts timer T at the same time. If the terminal receives the RRCReestablishment or RRCSetup feedback from the network before the timer 1 expires, that is, when it receives the feedback for the RRC connection reestablishment request, the timer 1 and timer T stop timing. If timer1 expires, that is, after the timeout, the terminal does not receive RRCReestablishment or RRCSetup, and the terminal stops waiting on the initial BWP.
  • timer 2 the terminal initiates RRC connection reestablishment in the BWP configured by the network and starts it at the same time Timer 2 (timer 2); if timer T expires at this time, the terminal returns to the idle state. If the terminal receives RRCReestablishment or RRCSetup fed back by the network before the timer 2 expires, the timer 2 and timer T stop timing. If timer2 expires and the terminal does not receive RRCReestablishment or RRCSetup, the terminal returns to the idle state. If timer2 does not expire but timer T expires, and the terminal does not receive RRCReestablishment or RRCSetup, the terminal returns to the idle state.
  • an RRC re-establishment timer ie, BWP conversion timer
  • counter BWP conversion counter
  • the function of the timer is exactly the same as that of the counter.
  • the terminal initiates an RRC connection re-establishment request on the BWP configured by the network, and starts a counter 1 (counter 1), and at the same time, also starts counter T. If before the counter 1 expires, that is, when the number of RRC connection reestablishment requests initiated on the configured BWP has not reached the preset number, the terminal receives the RRCReestablishment or RRCSetup feedback from the network, that is, when it receives the feedback for the RRC connection reestablishment request , The counter 1 and counter T stop timing.
  • counter 1 expires, that is, when the number of RRC connection reestablishment requests initiated on the configured BWP reaches the preset number, the terminal does not receive RRCReestablishment or RRCSetup, and the terminal stops waiting on the BWP configured by the network.
  • the terminal initiates RRC connection re-establishment on the initial BWP and starts counter 2 (counter 2) at the same time; at this time, if counter T expires, the terminal returns to the idle state. If the terminal receives the RRCReestablishment or RRCSetup feedback from the network before the counter 2 expires, the counter 2 and counter T stop timing.
  • the embodiment of the present application also provides a BWP processing device, which is set on a terminal. As shown in FIG. 3, the device includes:
  • the obtaining unit 31 is configured to obtain BWP related information, where the BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the apparatus may further include: a reconstruction unit 32 configured to initiate RRC reconstruction or preferentially initiate RRC reconstruction on the BWP corresponding to the BWP-related information.
  • a reconstruction unit 32 configured to initiate RRC reconstruction or preferentially initiate RRC reconstruction on the BWP corresponding to the BWP-related information.
  • the BWP related information includes at least one of the following information:
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the non-initial BWP; the bit is configured to the second value or the bit is not configured to determine that the RRC connection re-establishment is not initiated in the non-initial BWP;
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined not to initiate the RRC connection re-establishment in the initial BWP;
  • bit is configured as the first value, it is determined to initiate RRC connection re-establishment in the non-initial BWP; if the bit is configured as the second value or the bit is not configured, it is determined to initiate the RRC connection re-establishment in the initial BWP.
  • each bit corresponds to a BWP. For example, if the bit is set to zero, it means that RRC reconstruction cannot be initiated on the BWP, and if the bit is set to 1, it means that RRC reconstruction can be initiated on the BWP.
  • the BWP that initiated the RRC connection re-establishment is a BWP (non-initial BWP) other than the initial BWP, and it is determined that random access related resources are configured in the original activated BWP, and the original activated BWP is
  • the re-establishment unit 32 initiates RRC connection re-establishment in the other BWP.
  • the reconstruction unit 32 is in the original BWP Initiate RRC connection re-establishment.
  • the acquisition unit 31 and the reconstruction unit 32 can be implemented by a processor in a BWP processing device in combination with a communication interface.
  • the embodiment of the present application also provides a BWP processing device, which is set on the network device. As shown in FIG. 4, the device includes:
  • the issuing unit 41 is configured to issue BWP related information to the terminal; the issued BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the BWP related information includes at least one of the following information:
  • the device may further include: a configuration unit 42, which is configured as follows when the bitmap is 1 bit:
  • the configuration bit is the first value, and the configuration as the first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates that The terminal does not initiate RRC connection re-establishment in a non-initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates the The terminal does not initiate RRC connection re-establishment within the initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or non-configuration indicates the terminal Initiate RRC connection re-establishment within the initial BWP.
  • the configuration unit 42 configures each bit to correspond to a BWP. For example, if the bit is set to zero, it means that RRC reconstruction cannot be initiated on the BWP, and if the bit is set to 1, it means that RRC can be initiated on the BWP. reconstruction.
  • the configuration unit 42 can be implemented by a processor in a processing device of the BWP; the issuing unit 41 can be implemented by a communication interface in the processing device of the BWP.
  • the BWP processing device provided in the above embodiment performs BWP processing
  • only the division of the above program modules is used as an example.
  • the above processing can be allocated to different program modules according to needs.
  • Complete that is, divide the internal structure of the device into different program modules to complete all or part of the processing described above.
  • the BWP processing apparatus provided in the foregoing embodiment and the BWP processing method embodiment belong to the same concept.
  • the specific implementation process please refer to the method embodiment, which will not be repeated here.
  • the embodiment of the present application also provides a terminal.
  • the terminal 50 includes:
  • the first communication interface 51 can exchange information with other devices such as network devices;
  • the first processor 52 is connected to the first communication interface 51 to implement information interaction with other devices, and is configured to execute the method provided by one or more technical solutions on the terminal side when it is configured to run a computer program.
  • the computer program is stored in the first memory 53.
  • the first processor 52 is configured to obtain BWP related information through the first communication interface 51, where the BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the first processor 52 is further configured to initiate RRC reconstruction or preferentially initiate RRC reconstruction on the BWP corresponding to the BWP-related information through the first communication interface.
  • the BWP related information includes at least one of the following information:
  • bitmap is 1 bit; the first processor 52 is further configured to:
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the non-initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined that the RRC connection re-establishment is not initiated in the non-initial BWP;
  • bit is configured to the first value, it is determined that the RRC connection re-establishment is initiated in the initial BWP; the bit is configured to the second value or the bit is not configured, and it is determined not to initiate the RRC connection re-establishment in the initial BWP;
  • bit is configured as the first value, it is determined to initiate RRC connection re-establishment in the non-initial BWP; if the bit is configured as the second value or the bit is not configured, it is determined to initiate the RRC connection re-establishment in the initial BWP.
  • bus system 54 is configured to implement connection and communication between these components.
  • bus system 54 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 54 in FIG. 5.
  • the first memory 53 in the embodiment of the present application is configured to store various types of data to support the operation of the terminal 50. Examples of these data include: any computer program used to operate on the terminal 50.
  • the method disclosed in the foregoing embodiment of the present application may be applied to the first processor 52 or implemented by the first processor 52.
  • the first processor 52 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method can be completed by an integrated logic circuit of hardware in the first processor 52 or instructions in the form of software.
  • the aforementioned first processor 52 may be a general-purpose processor, a digital signal processor (DSP, Digital Signal Processor), or other programmable logic devices, discrete gates or transistor logic devices, discrete hardware components, and the like.
  • the first processor 52 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the first memory 53, and the first processor 52 reads the information in the first memory 53, and completes the steps of the foregoing method in combination with its hardware.
  • the terminal 50 may be used by one or more application specific integrated circuits (ASIC, Application Specific Integrated Circuit), DSP, programmable logic device (PLD, Programmable Logic Device), complex programmable logic device (CPLD, Complex Programmable Logic Device, Field-Programmable Gate Array (FPGA, Field-Programmable Gate Array), general-purpose processor, controller, microcontroller (MCU, Micro Controller Unit), microprocessor (Microprocessor), or other electronic components Implemented and configured to perform the aforementioned method.
  • ASIC Application Specific Integrated Circuit
  • DSP programmable logic device
  • PLD Programmable Logic Device
  • CPLD Complex Programmable Logic Device
  • FPGA Field-Programmable Gate Array
  • general-purpose processor controller, microcontroller (MCU, Micro Controller Unit), microprocessor (Microprocessor), or other electronic components Implemented and configured to perform the aforementioned method.
  • the network device 60 includes:
  • the second communication interface 61 can exchange information with the terminal
  • the second processor 62 is connected to the second communication interface 61 to implement information interaction with the terminal, and is configured to execute the method provided by one or more technical solutions on the network device side when it is configured to run a computer program.
  • the computer program is stored on the second memory 63.
  • the second processor 62 is configured to deliver BWP related information to the terminal through the second communication interface 61; the delivered BWP related information is used for the terminal to initiate RRC connection re-establishment.
  • the BWP related information includes at least one of the following information:
  • bitmap is 1 bit; the second processor 62 is further configured to:
  • the configuration bit is the first value, and the configuration as the first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates that The terminal does not initiate RRC connection re-establishment in a non-initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the initial BWP;
  • the configuration bit is the second value or the unconfigured bit, and the configured second value or unconfigured indicates the The terminal does not initiate RRC connection re-establishment within the initial BWP;
  • the configuration bit is the first value, and the configured first value indicates that the terminal initiates RRC connection re-establishment in the non-initial BWP; the configuration bit is the second value or unconfigured bit, and the configured second value or non-configuration indicates the terminal Initiate RRC connection re-establishment within the initial BWP.
  • bus system 64 is configured to implement connection and communication between these components.
  • bus system 64 also includes a power bus, a control bus, and a status signal bus.
  • various buses are marked as the bus system 64 in FIG. 6.
  • the second memory 63 in the embodiment of the present application is configured to store various types of data to support the operation of the network device 60. Examples of such data include: any computer program used to operate on the network device 60.
  • the method disclosed in the foregoing embodiment of the present application may be applied to the second processor 62 or implemented by the second processor 62.
  • the second processor 62 may be an integrated circuit chip with signal processing capability. In the implementation process, the steps of the foregoing method may be completed by an integrated logic circuit of hardware in the second processor 62 or instructions in the form of software.
  • the aforementioned second processor 62 may be a general-purpose processor, a DSP, or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, or the like.
  • the second processor 62 may implement or execute the methods, steps, and logical block diagrams disclosed in the embodiments of the present application.
  • the general-purpose processor may be a microprocessor or any conventional processor.
  • the steps of the method disclosed in the embodiments of the present application can be directly embodied as being executed and completed by a hardware decoding processor, or executed by a combination of hardware and software modules in the decoding processor.
  • the software module may be located in a storage medium, and the storage medium is located in the second memory 63.
  • the second processor 62 reads the information in the second memory 63 and completes the steps of the foregoing method in combination with its hardware.
  • the network device 60 may be implemented by one or more ASICs, DSPs, PLDs, CPLDs, FPGAs, general-purpose processors, controllers, MCUs, Microprocessors, or other electronic components, and is configured to perform the foregoing methods.
  • the memory (the first memory 53, the second memory 63) of the embodiment of the present application may be a volatile memory or a non-volatile memory, and may also include both volatile and non-volatile memory.
  • non-volatile memory can be read only memory (ROM, Read Only Memory), programmable read only memory (PROM, Programmable Read-Only Memory), and erasable programmable read only memory (EPROM, Erasable Programmable Read- Only Memory), Electrically Erasable Programmable Read-Only Memory (EEPROM, Electrically Erasable Programmable Read-Only Memory), magnetic random access memory (FRAM, ferromagnetic random access memory), flash memory (Flash Memory), magnetic surface memory , CD-ROM, or CD-ROM (Compact Disc Read-Only Memory); magnetic surface memory can be magnetic disk storage or tape storage.
  • the volatile memory may be a random access memory (RAM, Random Access Memory), which is used as an external cache.
  • RAM random access memory
  • SRAM static random access memory
  • SSRAM synchronous static random access memory
  • DRAM Dynamic Random Access Memory
  • SDRAM Synchronous Dynamic Random Access Memory
  • DDRSDRAM Double Data Rate Synchronous Dynamic Random Access Memory
  • ESDRAM enhanced -Type synchronous dynamic random access memory
  • SLDRAM SyncLink Dynamic Random Access Memory
  • direct memory bus random access memory DRRAM, Direct Rambus Random Access Memory
  • DRRAM Direct Rambus Random Access Memory
  • the memories described in the embodiments of the present application are intended to include, but are not limited to, these and any other suitable types of memories.
  • the embodiment of the present application also provides a BWP processing system. As shown in FIG. 7, the system includes:
  • the terminal 71 is configured to obtain BWP related information, and the BWP related information is used for the terminal 71 to initiate RRC connection re-establishment.
  • the system may further include: a network device 72 configured to deliver the BWP related information to the terminal 71.
  • the embodiment of the present application also provides a storage medium, that is, a computer storage medium, specifically a computer-readable storage medium, such as a first memory 53 that stores a computer program, and the above-mentioned computer program can be used by the terminal 50.
  • the first processor 52 executes to complete the steps described in the aforementioned terminal-side method.
  • it includes a second memory 63 storing a computer program, which can be executed by the second processor 62 of the network device 60 to complete the steps described in the aforementioned terminal-side method.
  • the computer-readable storage medium may be a memory such as FRAM, ROM, PROM, EPROM, EEPROM, Flash Memory, magnetic surface memory, optical disk, or CD-ROM.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un dispositif de traitement de la partie bande passante (BWP), un terminal, un dispositif réseau, et un support de stockage. Le procédé comprend les étapes suivantes: un terminal acquiert des informations associées à une BWP, les informations associées à la BWP étant utilisées pour initier le rétablissement d'une connexion de commande de ressources radio (RRC) au terminal.
PCT/CN2020/073047 2019-01-28 2020-01-19 Procédé et dispositif de traitement de bwp, équipement associé et support de stockage WO2020156290A1 (fr)

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