WO2018228200A1 - 寻呼消息的发送方法、装置及存储介质 - Google Patents
寻呼消息的发送方法、装置及存储介质 Download PDFInfo
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- WO2018228200A1 WO2018228200A1 PCT/CN2018/089075 CN2018089075W WO2018228200A1 WO 2018228200 A1 WO2018228200 A1 WO 2018228200A1 CN 2018089075 W CN2018089075 W CN 2018089075W WO 2018228200 A1 WO2018228200 A1 WO 2018228200A1
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- paging message
- paging
- sending
- information
- message
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/08—User notification, e.g. alerting and paging, for incoming communication, change of service or the like using multi-step notification by increasing the notification area
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/08—Access point devices
- H04W88/085—Access point devices with remote components
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present disclosure relates to, but is not limited to, the field of communications.
- the 5G network architecture is innovative and flexible. As shown in Figure 1, in the 5G network, the base station on the radio access network side is separated into a centralized processing unit (Centralized Unit, CU for short) and a distributed processing network element. (Distributed Unit, referred to as DU) two functional entities.
- a centralized processing unit Centralized Unit, CU for short
- DU distributed Processing network element
- the delay-insensitive network function is placed in the CU
- the delay-sensitive network function is placed in the DU.
- the CU and the DU are transmitted through the ideal or non-ideal front-end interface (fronthaul). And connected.
- the separation of the centralized processing network element and the distributed processing network element can also be adapted to the future 4G evolution.
- the user equipment receives paging information in a discontinuous reception (DRX) manner to save power consumption.
- the location where the paging information appears in the air interface is fixed, and is represented by a paging frame (Paging Frame, PF for short) and a paging moment (Paging Occasion, PO for short).
- a PF is a radio frame that can contain one or more POs.
- the PO is a sub-frame in the paging frame, and includes information of a Paging Radio Network Temporary Identity (P-RNTI), and is a Physical Downlink Control CHannel (PDCCH). Transfer on.
- P-RNTI is defined as a fixed value in the protocol.
- the UE will read the paging message from the Physical Downlink Shared CHannel (PDSCH) according to the P-RNTI.
- the frame number of the PF and the subframe number of the PO can be calculated by the UE's International Mobile Subscriber Identification Number (IMSI), the DRX cycle, and the number of POs in the DRX cycle.
- IMSI International Mobile Subscriber Identification Number
- the schematic diagram of the paging mechanism is shown in Figure 2.
- the core network under the paging procedure initiated by the core network, the core network first sends a paging message to the base station; under the paging procedure initiated by the base station, the base station can construct a paging message.
- the base station needs to calculate the sending time point of the paging message at the air interface, and the base station sends a paging message to page the designated terminal at the calculated sending time point.
- the base station is separated into CUs and DUs, how the paging messages are sent by the DUs and CUs together, and the air interface transmission time of the paging messages are not specifically calculated by which network elements, so there is an urgent need to solve the problem in the CU and the CU.
- DU separation how to page the designated terminal.
- the transmission delay between the CU and the DU may be large, and the CU needs to consider the CU to the DU when sending the paging message.
- the transmission delay needs to be sent to the DU in advance to avoid the moment when the paging message is missed due to the transmission delay.
- Embodiments of the present disclosure provide a method, an apparatus, and a storage medium for transmitting a paging message.
- a method for sending a paging message including: generating a paging message; transmitting the paging message to a DU, where the paging message includes auxiliary information, The auxiliary information is used to instruct the DU to send the paging message.
- a method for transmitting a paging message including: receiving a paging message sent by a CU, where the paging message includes auxiliary information; and transmitting, according to the auxiliary information, Paging message.
- a sending apparatus for a paging message comprising: a generating module configured to generate a paging message; and a first sending module configured to send the paging message to a distributed network a meta-DU, wherein the paging message includes auxiliary information, where the auxiliary information is used to instruct the DU to send the paging message.
- a sending apparatus for a paging message comprising: a receiving module, configured to receive a paging message sent by a centralized network element CU, wherein the paging message includes auxiliary information And a second sending module configured to send the paging message according to the auxiliary information.
- a storage medium comprising a stored program, wherein the program is executed to perform the method of any of the above.
- a processor configured to execute a program, wherein the program is executed to perform the method of any of the above.
- the paging message is sent to the distributed network element DU, and the DU is instructed to send the paging message according to the auxiliary information carried in the paging message. Therefore, the problem that the paging message cannot be jointly transmitted by the DU and the CU after the base station existing in the related art is separated into the CU and the DU can be solved, and the effect of timely transmitting the paging message according to the CU and the DU can be achieved.
- FIG. 1 is a schematic structural diagram of a centralized network element and a distributed network element in the related art
- FIG. 2 is a schematic diagram of a paging mechanism in the related art
- FIG. 3 is a block diagram showing a hardware structure of a mobile terminal of a method for transmitting a paging message according to an embodiment of the present disclosure
- FIG. 4 is a flowchart (1) of transmission of a paging message according to an embodiment of the present disclosure
- FIG. 5 is a flowchart (2) of transmission of a paging message according to an embodiment of the present disclosure
- FIG. 6 is a flowchart of a method for estimating a transmission delay between a CU and a DU according to an embodiment of the present disclosure
- FIG. 7 is a flowchart of a feedback method for a DU successfully receiving a paging message in an embodiment of the present disclosure
- FIG. 8 is a flowchart of a paging message abnormal feedback method between a CU and a DU in an embodiment of the present disclosure
- FIG. 9 is a flowchart of a method for sending a paging message between a CU and a DU in an embodiment of the present disclosure
- Figure 10 is a structural block diagram (1) of an apparatus according to an embodiment of the present disclosure.
- FIG. 11 is a structural block diagram (2) of an apparatus according to an embodiment of the present disclosure.
- FIG. 3 is a hardware structural block diagram of a mobile terminal of a method for transmitting a paging message according to an embodiment of the present disclosure.
- mobile terminal 30 may include one or more (only one of which is shown in FIG. 3) processor 302 (processor 302 may include, but is not limited to, a microprocessor (MCU) or a programmable logic device (FPGA).
- MCU microprocessor
- FPGA programmable logic device
- a processing device such as a processor
- memory 304 configured to store data
- a transfer device 306 configured as a communication function.
- the structure shown in FIG. 3 is merely illustrative and does not limit the structure of the above electronic device.
- the mobile terminal 30 may also include more or fewer components than those shown in FIG. 3, or have a different configuration than that shown in FIG.
- the memory 304 can be configured as a software program and a module for storing application software, such as a program instruction/module corresponding to a method for transmitting a paging message in the embodiment of the present disclosure, and the processor 302 runs a software program and a module stored in the memory 304. Thereby performing various functional applications and data processing, that is, implementing the above method.
- Memory 304 can include high speed random access memory and can also include non-volatile memory, such as one or more magnetic storage devices, flash memory, or other non-volatile solid state memory.
- memory 304 can further include memory remotely located relative to processor 302, which can be connected to mobile terminal 30 over a network. Examples of such networks include, but are not limited to, the Internet, intranets, local area networks, mobile communication networks, and combinations thereof.
- Transmission device 306 is configured to receive or transmit data via a network.
- the above-described network specific examples may include a wireless network provided by a communication provider of the mobile terminal 30.
- the transmission device 306 includes a Network Interface Controller (NIC) that can be connected to other network devices through a base station to communicate with the Internet.
- the transmission device 106 can be a Radio Frequency (RF) module configured to communicate with the Internet wirelessly.
- NIC Network Interface Controller
- RF Radio Frequency
- FIG. 4 is a flowchart (1) of sending a paging message according to an embodiment of the present disclosure. As shown in FIG. 4, the process includes the following steps:
- Step S402 generating a paging message
- Step S404 the paging message is sent to the DU, wherein the paging message includes auxiliary information, and the auxiliary information is used to instruct the DU to send the paging message.
- the paging message is sent to the DU, and the DU is instructed to send the paging message according to the auxiliary information carried in the paging message. Therefore, the problem that the paging message cannot be jointly transmitted by the DU and the CU after the base station existing in the related art is separated into the CU and the DU can be solved, and the effect of timely transmitting the paging message according to the CU and the DU can be achieved.
- the execution body of the foregoing steps may be a CU, but is not limited thereto.
- the foregoing auxiliary information includes at least one of: expected transmission time information of the paging message; expected transmission area information of the paging message; expected transmission frequency information of the paging message; The user type information corresponding to the call message; the repeated transmission information of the paging message, wherein the repeated transmission information is used to indicate that the DU calculates the number of times the paging message is repeatedly sent.
- the user type includes a normal terminal user, and also includes a machine communication terminal user or an end user defined according to a predetermined protocol.
- the foregoing expected transmission time information includes at least one of the following: a desired transmission time point of the paging message, and a parameter for calculating a desired transmission time point of the paging message, where the parameter is used by And indicating a time point at which the foregoing DU calculates the sending of the paging message.
- the expected transmission time information in the above may be predefined or may be calculated according to the measurement.
- the foregoing desired transmission area information includes at least one of: a cell list that the paging message is expected to send; a location area that the paging message is expected to send; and the wireless access that the paging message is expected to send.
- RAN paging area includes at least one of: a cell list that the paging message is expected to send; a location area that the paging message is expected to send; and the wireless access that the paging message is expected to send.
- the foregoing desired transmission frequency information includes at least one of: a desired transmission bandwidth of the paging message; and a desired transmission frequency of the paging message.
- sending the paging message to the DU includes: searching, according to the expected transmission area information of the paging message, a DU to which the sending area of the paging message is sent; sending the paging message The DU to which the above transmission area belongs.
- different transmission areas in the foregoing may belong to different DUs, and may also belong to one DU.
- the sending the paging message to the DU includes: sending a DU synchronization message to the DU; receiving a feedback message sent by the DU according to the DU synchronization message; and calculating, according to the feedback message, the DU Transmitting delay; sending the paging message to the DU according to the transmission delay before the expected transmission time of the paging message.
- the paging message is transmitted according to the transmission delay.
- the paging message further includes: terminal paging record information.
- sending the paging message to the DU includes one of: calculating a desired transmission time point of the paging message according to a DRX parameter of the terminal, and placing the expected transmission time point on the auxiliary information.
- the paging message carrying the auxiliary information is sent to the DU; the DRX parameter of the terminal is placed in the auxiliary information, and the paging message carrying the auxiliary information is sent to the DU, where the DRX parameter indication
- the DU calculates the expected transmission time point of the paging message.
- FIG. 5 is a flowchart (2) of sending a paging message according to an embodiment of the present disclosure. As shown in FIG. 5, the process includes the following steps:
- Step S502 receiving a paging message sent by the CU, where the paging message includes auxiliary information
- Step S504 the paging message is sent according to the auxiliary information.
- the DU receives the paging message sent by the CU, where the paging message includes the auxiliary information; and the paging message is sent according to the auxiliary information. Therefore, the problem that the paging message cannot be jointly transmitted by the DU and the CU after the base station existing in the related art is separated into the CU and the DU can be solved, and the effect of timely transmitting the paging message according to the CU and the DU can be achieved.
- the execution body of the foregoing steps may be a DU, but is not limited thereto.
- the auxiliary information includes at least one of: expected transmission time information of the paging message, expected transmission area information of the paging message, and expected transmission frequency information of the paging message; User type information corresponding to the paging message; repeated transmission of the paging message.
- the sending the paging message according to the foregoing auxiliary information includes: determining a sending time point of the paging message according to the auxiliary information; and sending the paging message in a preset sending manner at the sending time point;
- the preset sending manner is determined by at least one of the following information: a sending area of the paging message, a sending frequency of the paging message, and a number of repeated sending of the paging message.
- determining, according to the foregoing auxiliary information, that the sending time point of the paging message includes one of: determining the sending time point according to a time point of displaying the indication in the auxiliary information; and carrying according to the auxiliary information
- the DRX parameter determines the above-mentioned transmission time point.
- the sending area of the paging message is determined according to at least one of the following information carried in the auxiliary information: a cell list that the paging message is expected to send; a location area that the paging message is expected to send; The above paging message presets the RAN paging area to be transmitted.
- the sending frequency of the paging message is determined according to at least one of the following information carried in the auxiliary information: a desired transmission bandwidth of the paging message; and a desired transmission frequency of the paging message.
- the number of repeated transmissions of the paging message is determined according to the following information carried in the auxiliary information: the information is repeatedly sent.
- the method before the sending the paging message according to the foregoing auxiliary information, the method further includes: carrying paging record information of the terminal having the same transmission time point on one or more of the foregoing paging messages. .
- the paging message may be split into several Small paging messages are sent separately.
- the method before the sending the paging message according to the foregoing auxiliary information, the method further includes: combining paging record information of the terminal having the same transmission time point in one of the paging messages. In this embodiment, if some UEs calculate different expected transmission time points, the UE paging records with the same time point are merged into one paging message, and one paging message is used to page multiple UEs.
- the method further includes: sending a feedback message to the CU, where the feedback message is used to indicate that the paging message is received.
- the method further includes: sending a paging abnormal message to the CU if the paging message is abnormal, wherein the searching The call exception message includes the reason why the above paging message cannot be sent.
- sending the paging abnormal message to the CU includes: when sending the paging message, an abnormality occurs when the preset transmission time is missed, The CU sends the paging abnormality message including the transmission timing advance information, where the timing advance information is used to instruct the CU to adjust a time point for transmitting the paging message.
- the paging message further includes: terminal paging record information.
- the specific embodiment provides a paging method suitable for separating CU and DU network elements: the following specifically includes:
- the CU generates a paging message, where the paging message includes paging record information of one or more terminals, and the CU sends the paging message to the DU, and carries the paging message sending auxiliary information in the message sent to the DU.
- the CU side calculates the expected transmission time point information of the paging message on the air interface according to the DRX and other parameters of the designated terminal, and places the desired transmission time point information in the auxiliary information.
- the CU side may also place a parameter for calculating the desired transmission time point information, such as DRX of the designated terminal, in the auxiliary information, and the actual expected transmission time point is calculated by the DU.
- the CU sets auxiliary information, and the auxiliary information includes a combination of one or more of the following information: 1. expected transmission time information of the paging message; 2. expected transmission area information of the paging message; 3. expectation of the paging message Transmitting frequency information; 4. User type information corresponding to the paging message; 5. Repeating transmission information of the paging message.
- the expected transmission time information of the paging message in the auxiliary information set by the CU may be one of the following information: 1.
- the expected transmission time point of the paging message (such as (eg) the system frame number (SFN) desired to be transmitted. , the combination of sub-frames, time slots and other information); 2, the terminal's DRX parameters, etc. calculate the parameters of the desired time point, for the DU to estimate the transmission time point.
- SFN system frame number
- the desired transmission area information of the paging message in the auxiliary information set by the CU may be a combination of one or more of the following: 1. a cell list that the paging message is expected to transmit; 2. the paging message is expected to be sent. Location area; 3. RAN paging area that the paging message is expected to be sent.
- the expected transmission frequency information of the paging message in the auxiliary information set by the CU may be a combination of one or more of the following: 1. a desired transmission bandwidth of the paging message, 2. a desired transmission frequency of the paging message. point.
- the user type information of the paging message in the auxiliary information set by the CU may be a normal terminal, a Machine Type Communication (MTC), or other terminal type that is clearly defined in the protocol.
- MTC Machine Type Communication
- the repeated transmission information of the paging message in the auxiliary information set by the CU is used to indicate the number of times the paging message needs to be repeatedly transmitted.
- the CU side searches for the home DU in the transmission area according to the expected transmission area of the paging message, and the CU sends the paging message to the corresponding home DU.
- the CU may use a method for estimating the transmission delay between the CU and the DU, and may be used by the CU to send a paging message to the DU in advance to avoid missing the expected transmission time of the paging message on the air interface due to the delay. point.
- the CU sends a "DU synchronization message" to the DU, where the synchronization message carries the point T1 when the CU sends the message.
- the DU After receiving the "DU synchronization message" message, the DU records the time point T2 at which the message is received, and sends a "DU synchronization message feedback" to the CU at the time T3, where the T1, T2, and T3 are carried in the feedback message.
- Point information after receiving the "DU synchronization message feedback", the CU records the time point T4 at which the message is received.
- the delay calculation module in the CU can calculate the transmission delay of the CU to the DU according to T1, T2, T3, and T4.
- the CU side may send the "DU synchronization message" to the DU in advance, and estimate the transmission delay of the CU and the specific DU by receiving the process of "DU synchronization message feedback".
- the CU side may send a paging message to the DU in advance according to the transmission delay before the expected transmission time point.
- the DU may send a “paging message feedback message” to the CU to notify the CU that the paging message has been successfully received.
- the DU side sends a “paging abnormality indication message” to the CU if the paging message cannot be sent from the DU.
- the cause of the abnormality may be carried in the message (for example, the specified paging range in the paging message is not in the range of the current DU, such as the expected sending time point carried in the paging message has been missed, etc.), optionally If the expected transmission time point carried in the paging message has been missed, the paging abnormality indication message may be carried in the paging abnormality indication message to notify the CU to adjust the time point for sending the paging message to the DU, to avoid The DU misses the desired transmission time point in the paging message.
- the DU receives the paging message and the paging assistance information sent by the CU, and determines the transmission time point of the received paging message according to the paging assistance information.
- the method for determining, by the DU, the paging message transmission time point may be one of the following: displaying the specified time point transmission in the auxiliary information (the time point may be a combination of SFN, subframe, and time slot); according to the auxiliary information
- the parameters such as DRX carried are derived at the point in time at which the transmission is expected.
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU determines the transmission area of the paging message according to the paging assistance information.
- the transmission area information may be determined by one or a combination of the following information carried in the paging assistance information: 1. a cell list to be sent by the paging message carried in the auxiliary information; 2. the search carried in the auxiliary information a location area where the message is expected to be sent; 3. an RAN paging area that the paging message carried in the auxiliary information is expected to be sent;
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU determines the transmission frequency of the paging message according to the paging assistance information.
- the transmission frequency information may be determined by the following information carried in the paging assistance information: 1. a desired transmission bandwidth of the paging message carried in the auxiliary information; 2. an expectation of the paging message carried in the auxiliary information Sending frequency point;
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU determines the number of repeated transmissions of the paging message according to the paging assistance information.
- the number of repeated transmissions may be determined by the following information carried in the paging assistance information: the repeated transmission of the paging message carried in the auxiliary information.
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU can carry the paging record of one or more terminals having the same transmission time point on one or more paging messages.
- the DU may combine paging records of one or more terminals having the same transmission time point into one paging message.
- the DU transmits the paging message in a specific manner at the specified time point according to the expected transmission time point of the paging message.
- the specific sending mode is consistent with the paging message sending area of the DU decision, the paging message sending frequency, and the number of repetitions of the paging message sending.
- FIG. 6 is a flow chart of a method for estimating a transmission delay between a CU and a DU. As shown in FIG. 6, the method includes the following steps:
- Step 1 The CU sends a “DU Synchronization Message” to the DU, where the synchronization message carries the T1 time point when the CU sends the message.
- Step 2 After receiving the "DU Synchronization Message" message, the DU records the time point T2 at which the message is received.
- Step 3 The DU sends a "DU synchronization message feedback" to the CU at the time T3, and the T1, T2, and T3 time point information are carried in the feedback message.
- Step 4 After receiving the "DU synchronization message feedback", the CU records the time point T4 at which the message is received.
- Step 5 The delay calculation module in the CU can calculate the transmission delay of the CU to the DU according to T1, T2, T3, and T4 (for example, the transmission delay of the CU to the DU is T2-T1, and the transmission delay of the DU to the CU is T4-T3, or the delay between the CU and the DU is considered to be (T2-T1+T4-T3)/2, or multiple delay estimates can be performed for the above delay estimation method to obtain multiple delays.
- the average value is taken as the transmission delay of the CU to the DU).
- FIG. 7 is a flowchart of a method for feeding back a paging message successfully by a DU in this embodiment, which includes the following steps:
- Step 1 The CU generates a paging message, where the paging message includes paging record information of one or more terminals, and the CU sends the paging message to the DU, and carries the paging message sending auxiliary information in the message sent to the DU.
- Step 2 If the DU successfully receives the paging message and determines that the auxiliary information in the paging message is configured correctly, the DU sends a paging response message to the CU to notify the CU that the paging message has been successfully received.
- FIG. 8 is a flowchart of a paging message abnormal feedback method between a CU and a DU in the embodiment. As shown in FIG. 8, the method includes the following steps:
- Step 1 The CU generates a paging message, where the paging message includes paging record information of one or more terminals, and the CU sends the paging message to the DU, and carries the paging message sending auxiliary information in the message sent to the DU.
- Step 2 If the DU is unable to send the paging message on the air interface, the DU needs to feed back the “Paging Abnormality Indication Message” to the CU.
- the reason for the abnormality may be carried in the message (for example, in the paging message)
- the specified paging range is not in the scope of the present DU, such as the expected transmission time point carried in the paging message has been missed, etc., optionally, if it is because the expected transmission time point carried in the paging message has been missed,
- the sending abnormality indication message may carry the sending timing advance information to notify the CU to adjust the time point at which the paging message is sent to the DU, to prevent the DU from missing the desired sending time point in the paging message.
- Step 3 After receiving the “paging abnormality indication message” of the DU, the CU may resend the paging message to the DU. For example, if the “page abnormality indication message” carries the transmission time amount advance information, the CU can adjust the time point for sending the paging message to the DU according to the time information, and resend the paging message to the DU at this time point.
- FIG. 9 is a flowchart of a method for sending a paging message between a CU and a DU in the embodiment. As shown in FIG. 9, the method includes the following steps:
- Step 1 The CU generates a paging message, where the paging message includes paging record information of one or more terminals, and the CU sends the paging message to the DU, and carries the paging message sending auxiliary information in the message sent to the DU.
- the CU calculates the expected transmission time point information of the paging message on the air interface according to parameters such as the DRX parameter of the specified terminal, and places the expected transmission time point information in the auxiliary information.
- the CU may also use a parameter such as a DRX parameter of the specified terminal to calculate a parameter for calculating a desired transmission time point information, and the actual expected transmission time point is calculated by the DU.
- the CU sets auxiliary information, and the auxiliary information includes a combination of one or more of the following information: 1. expected transmission time information of the paging message; 2. expected transmission area information of the paging message; 3. expected transmission frequency information of the paging message 4, user type information corresponding to the paging message; 5, repeated transmission information of the paging message.
- the expected transmission time information of the paging message in the auxiliary information set by the CU may be one of the following information: 1 a desired transmission time point of the paging message (eg a combination of information such as SFN, subframe, time slot, etc. expected to be transmitted) 2, the terminal's DRX parameters, etc. calculate the parameters of the desired time point, for the DU to estimate the transmission time point.
- the expected transmission area information of the paging message in the auxiliary information set by the CU may be a combination of one or more of the following: 1. a cell list that the paging message is expected to transmit; 2. a location area that the paging message is expected to be sent 3, the RAN paging area that the paging message is expected to be sent.
- the desired transmission frequency information of the paging message in the auxiliary information set by the CU may be a combination of one or more of the following: 1. a desired transmission bandwidth of the paging message, 2. a desired transmission frequency of the paging message.
- the user type information of the paging message in the auxiliary information set by the CU may be a normal terminal, an MTC terminal, or other terminal type that is clearly defined in the protocol.
- the repeated transmission information of the paging message in the auxiliary information set by the CU is used to indicate the number of times the paging message needs to be repeatedly transmitted.
- the method in the specific embodiment 1 may be used to estimate the delay between the CU and the DU, and the CU sends the paging message to the DU in advance to avoid Due to the delay, the expected transmission time point of the paging message on the air interface is missed.
- Step 2 The CU sends the paging message to the corresponding home DU according to the expected transmission area of the paging message, and the CU sends the paging message to the corresponding home DU, where the paging message carries the paging assistance information.
- Step 3 The DU receives the paging message and the paging assistance information sent by the CU, and determines the sending time point of the received paging message according to the paging assistance information.
- the method for determining the sending time point of the paging message by the DU may be one of the following: displaying the specified time point transmission in the auxiliary information (the time point may be a combination of SFN, subframe, and time slot) 2. According to the auxiliary information The parameters such as the DRX parameters carried in the derivation are estimated at the time point of transmission.
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU determines the transmission area of the paging message according to the paging assistance information.
- the transmission area information may be determined by one or a combination of the following information carried in the paging assistance information: 1. a cell list to be sent by the paging message carried in the auxiliary information; 2. the search carried in the auxiliary information The location area where the message is expected to be sent; 3. the RAN paging area that the paging message carried in the auxiliary information is expected to be sent; the DU receives the paging message and the paging auxiliary information sent by the CU, and the DU according to the paging auxiliary information, Determine how often the paging message is sent.
- the transmission frequency information may be determined by the following information carried in the paging assistance information: 1. a desired transmission bandwidth of the paging message carried in the auxiliary information; 2. an expectation of the paging message carried in the auxiliary information Sending frequency point;
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU determines the number of repeated transmissions of the paging message according to the paging assistance information.
- the number of repeated transmissions may be determined by the following information carried in the paging assistance information: the repeated transmission of the paging message carried in the auxiliary information.
- the DU receives the paging message and the paging assistance information sent by the CU, and the DU can carry the paging record of one or more terminals having the same transmission time point on one or more paging messages.
- the DU may combine paging records of one or more terminals having the same transmission time point into one paging message.
- the DU may send a paging feedback message to the CU according to the method in the specific embodiment 2 (example 2) and the specific embodiment 3 (example 3), or Call an exception indication message.
- Step 4 The DU sends a paging message in a specific manner at a specified time according to the expected transmission time point of the paging message.
- the specific sending mode is consistent with the paging message sending area of the DU decision, the paging message sending frequency, the number of repetitions of the paging message sending, and the like.
- a device for sending a paging message is also provided.
- the device is configured to implement the foregoing embodiments and specific implementation manners, and details are not described herein.
- the term "module” may implement a combination of software and/or hardware of a predetermined function.
- the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
- FIG. 10 is a structural block diagram (1) of an apparatus according to an embodiment of the present disclosure. As shown in FIG. 10, the apparatus includes: a generating module 1002 and a first transmitting module 1004, which are described in detail below:
- the generating module 1002 is configured to generate a paging message
- the first sending module 1004 is connected to the generating module 1002, configured to send the paging message to the DU, where the paging message includes auxiliary information, and the auxiliary The information is used to indicate that the foregoing DU sends the paging message.
- the foregoing auxiliary information includes at least one of: expected transmission time information of the paging message; expected transmission area information of the paging message; expected transmission frequency information of the paging message; The user type information corresponding to the call message; the repeated transmission information of the paging message, wherein the repeated transmission information is used to indicate that the DU calculates the number of times the paging message is repeatedly sent.
- the foregoing expected transmission time information includes at least one of the following: a desired transmission time point of the paging message, and a parameter for calculating a desired transmission time point of the paging message, where the parameter is used by And indicating a time point at which the foregoing DU calculates the sending of the paging message.
- the foregoing desired transmission area information includes at least one of: a cell list that the paging message is expected to send; a location area that the paging message is expected to be sent; and an RAN paging area that the paging message is expected to send.
- the foregoing desired transmission frequency information includes at least one of: a desired transmission bandwidth of the paging message; and a desired transmission frequency of the paging message.
- the first sending module 1004 sends a paging message to the DU by: searching for the DU to which the sending area of the paging message is sent according to the expected sending area information of the paging message; The paging message is sent to the DU to which the transmission area belongs.
- the first sending module sends the paging message to the DU by sending a DU synchronization message to the DU, and receiving a feedback message sent by the DU according to the DU synchronization message;
- the message calculates a transmission delay with the DU; and sends the paging message to the DU according to the transmission delay before the expected transmission time of the paging message.
- the paging message further includes: terminal paging record information.
- the first sending module 1004 sends the paging message to the DU by using one of the following manners: calculating a desired sending time point of the paging message according to the DRX parameter of the terminal, and setting the expected sending time point. And the paging message carrying the auxiliary information is sent to the DU; the DRX parameter of the terminal is placed in the auxiliary information, and the paging message carrying the auxiliary information is sent to the DU, where The DRX parameter indicates that the DU calculates the expected transmission time point of the paging message.
- FIG. 11 is a structural block diagram (2) of an apparatus according to an embodiment of the present disclosure. As shown in FIG. 11, the apparatus includes: a receiving module 1102 and a second transmitting module 1104, which are described in detail below:
- the receiving module 1102 is configured to receive a paging message sent by the CU, where the paging message includes auxiliary information, and the second sending module 1104 is connected to the receiving module 1102, and configured to send the paging message according to the auxiliary information.
- the auxiliary information includes at least one of: expected transmission time information of the paging message, expected transmission area information of the paging message, and expected transmission frequency information of the paging message; User type information corresponding to the paging message; repeated transmission of the paging message.
- the second sending module 1104 sends the paging message according to the foregoing auxiliary information by: determining a sending time point of the paging message according to the auxiliary information; and sending the preset at the sending time point. And sending, by the manner, the foregoing paging message, where the preset sending manner is determined by at least one of the following information: a sending area of the paging message, a sending frequency of the paging message, and a number of repeated sending of the paging message.
- the apparatus determines, according to the auxiliary information, a sending time point of the paging message according to the foregoing manner: determining the sending time point according to a time point of displaying the indication in the auxiliary information; and according to the auxiliary information
- the DRX parameter carried in the determination determines the above-mentioned transmission time point.
- the device determines, according to at least one of the following information carried in the auxiliary information, a sending area of the paging message: a cell list that the paging message is expected to send; and a location where the paging message is expected to be sent. Zone; the above paging message presets the RAN paging area to be transmitted.
- the apparatus determines, according to at least one of the following information carried in the auxiliary information, a sending frequency of the paging message: a desired sending bandwidth of the paging message; and a desired sending frequency of the paging message. .
- the device determines, according to the following information carried in the auxiliary information, the number of repeated transmissions of the paging message: the repeated transmission information carried in the auxiliary information.
- the apparatus further includes: a bearer module, configured to: before the sending the paging message according to the auxiliary information, carry paging record information of a terminal having the same sending time point in one or more pieces On the above paging message.
- a bearer module configured to: before the sending the paging message according to the auxiliary information, carry paging record information of a terminal having the same sending time point in one or more pieces On the above paging message.
- the foregoing apparatus further includes a merging module configured to merge the paging record information of the terminal having the same transmission time point into one of the paging messages before transmitting the paging message according to the auxiliary information.
- the foregoing apparatus further includes: a third sending module, configured to: after receiving the paging message sent by the CU, send a feedback message to the CU, where the feedback message is used to indicate that the foregoing Paging message.
- a third sending module configured to: after receiving the paging message sent by the CU, send a feedback message to the CU, where the feedback message is used to indicate that the foregoing Paging message.
- the foregoing apparatus further includes: a fourth sending module, configured to: when the paging message is sent according to the auxiliary information, send a page to the CU if the paging message is abnormal An abnormal message, wherein the paging abnormality message includes a reason why the paging message cannot be sent.
- a fourth sending module configured to: when the paging message is sent according to the auxiliary information, send a page to the CU if the paging message is abnormal An abnormal message, wherein the paging abnormality message includes a reason why the paging message cannot be sent.
- the fifth sending module sends the paging abnormal message to the CU in the case that the paging message is abnormal after sending the paging message: when the paging message is sent, the preset sending time is missed.
- the paging abnormality message including the transmission timing advance information is transmitted to the CU, wherein the timing advance information is used to instruct the CU to adjust the time point at which the paging message is transmitted.
- the paging message further includes: terminal paging record information.
- each of the above modules may be implemented by software or hardware.
- the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the above modules are in any combination.
- the forms are located in different processors.
- Embodiments of the present disclosure also provide a storage medium including a stored program, wherein the program described above executes the method of any of the above.
- the above storage medium may be configured to store program code for performing the above steps.
- the foregoing storage medium may include, but is not limited to, a U disk, a ROM, a RAM, a mobile hard disk, a magnetic disk, or an optical disk, and the like, which can store program codes.
- Embodiments of the present disclosure also provide a processor configured to execute a program, wherein the program, when executed, performs the steps of any of the above methods.
- modules or steps of the present disclosure described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
- the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module. As such, the disclosure is not limited to any specific combination of hardware and software.
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Abstract
Description
Claims (25)
- 一种寻呼消息的发送方法,包括:生成寻呼消息;将所述寻呼消息发送给分布式网元DU,其中,所述寻呼消息中包含辅助信息,所述辅助信息用于指示所述DU发送所述寻呼消息。
- 根据权利要求1所述的方法,其中,所述辅助信息包括以下至少之一:所述寻呼消息的期望发送时间信息;所述寻呼消息的期望发送区域信息;所述寻呼消息的期望发送频率信息;所述寻呼消息对应的用户类型信息;所述寻呼消息的重复发送信息,其中,所述重复发送信息用于指示所述DU计算重复发送所述寻呼消息的次数。
- 根据权利要求2所述的方法,其中,所述期望发送时间信息包括以下至少之一:所述寻呼消息的期望发送时间点;用于计算所述寻呼消息的期望发送时间点的参数,其中,所述参数用于指示所述DU计算发送所述寻呼消息的时间点。
- 根据权利要求2所述的方法,其中,所述期望发送区域信息包括以下至少之一:所述寻呼消息期望发送的小区列表;所述寻呼消息期望发送的位置区;所述寻呼消息期望发送的无线接入网寻呼区域RAN paging area。
- 根据权利要求2所述的方法,其中,所述期望发送频率信息包括以下至少之一:所述寻呼消息的期望发送带宽;所述寻呼消息的期望发送频点。
- 根据权利要求1所述的方法,其中,将所述寻呼消息发送给所述DU包括:根据所述寻呼消息的期望发送区域信息查找发送所述寻呼消息的发送区域所归属的DU;将所述寻呼消息发送给所述发送区域所归属的DU。
- 根据权利要求1所述的方法,其中,将所述寻呼消息发送给所述DU包括:向所述DU发送DU同步消息;接收所述DU根据所述DU同步消息发送的反馈消息;根据所述反馈消息计算与所述DU的传输时延;在所述寻呼消息的期望发送时间点之前,根据所述传输时延将所述寻呼消息发送给所述DU。
- 根据权利要求1所述的方法,其中,所述寻呼消息中还包括:终端寻呼记录信息。
- 根据权利要求1所述的方法,其中,将所述寻呼消息发送给所述DU包括以下之一:根据终端的非连续接收DRX参数计算所述寻呼消息的期望发送时间点,将所述期望发送时间点放置在所述辅助信息中,将携带所述辅助信息的所述寻呼消息发送给所述DU;将终端的DRX参数放置在所述辅助信息中,将携带所述辅助信息的所述寻呼消息发送给所述DU,其中,所述DRX参数指示所述DU计算所述寻呼消息的期望发送时间点。
- 一种寻呼消息的发送方法,包括:接收集中式网元CU发送的寻呼消息,其中,所述寻呼消息中包括辅助信息;根据所述辅助信息发送所述寻呼消息。
- 根据权利要求10所述的方法,其中,所述辅助信息包括以下至少之一:所述寻呼消息的期望发送时间信息;所述寻呼消息的期望发送区域信息;所述寻呼消息的期望发送频率信息;所述寻呼消息对应的用户类型信息;所述寻呼消息的重复发送信息。
- 根据权利要求10所述的方法,其中,根据所述辅助信息发送所述寻呼消息包括:根据所述辅助信息确定所述寻呼消息的发送时间点;在所述发送时间点以预设发送方式发送所述寻呼消息;其中,所述预设发送方式通过以下信息至少之一确定:所述寻呼消息的发送区域,所述寻呼消息的发送频率,所述寻呼消息的重复发送次数。
- 根据权利要求12所述的方法,其中,根据所述辅助信息确定所述寻呼消息的发送时间点包括以下之一:根据所述辅助信息中显示指示的时间点确定所述发送时间点;根据所述辅助信息中携带的非连续接收DRX参数确定所述发送时间点。
- 根据权利要求12所述的方法,其中,根据所述辅助信息中携带的以下信息至少之一确定所述寻呼消息的发送区域:所述寻呼消息期望发送的小区列表;所述寻呼消息期望发送的位置区;所述寻呼消息预设发送的无线接入网分布区域RAN paging area。
- 根据权利要求12所述的方法,其中,根据所述辅助信息中携带的以下信息至少之一确定所述寻呼消息的发送频率:所述寻呼消息的期望发送带宽;所述寻呼消息的期望发送频点。
- 根据权利要求12所述的方法,其中,根据所述辅助信息中携带的以下信息确定所述寻呼消息的重复发送次数:重复发送信息。
- 根据权利要求10所述的方法,其中,在根据所述辅助信息发送所述寻呼消息之前,所述方法还包括:将具备相同发送时间点的终端的寻呼记录信息承载在一条或多条所述寻呼消息上。
- 根据权利要求10所述的方法,其中,根据所述辅助信息发送所述寻呼消息之前,所述方法还包括:将具备相同发送时间点的终端的寻呼记录信息合并在一条所述寻呼消息中。
- 根据权利要求10所述的方法,其中,接收所述CU发送的所述寻呼消息之后,所述方法还包括:向所述CU发送反馈消息,其中,所述反馈消息用于指示接收到了所述寻呼消息。
- 根据权利要求10所述的方法,其中,根据所述辅助信息发送所述寻呼消息时,所述方法还包括:在发送所述寻呼消息出现异常的情况下,向所述CU发送寻呼异常消息,其中,所述寻呼异常消息中包括不能发送所述寻呼消息的原因。
- 根据权利要求20所述的方法,其中,在发送所述寻呼消息出现异常的情况下,向所述CU发送所述寻呼异常消息包括:当发送所述寻呼消息出现错过预设发送时间点的异常时,向所述CU发送包括发送时间提前量信息的所述寻呼异常消息,其中,所述时间提前量信息用于指示所述CU调整发送所述寻呼消息的时间点。
- 根据权利要求10所述的方法,其中,所述寻呼消息中还包括:终端寻呼记录信息。
- 一种寻呼消息的发送装置,包括:生成模块,配置为生成寻呼消息;第一发送模块,配置为将所述寻呼消息发送给分布式网元DU,其中,所述寻呼消息中包含辅助信息,所述辅助信息用于指示所述DU发送所述寻呼消息。
- 一种寻呼消息的发送装置,包括:接收模块,配置为接收集中式网元CU发送的寻呼消息,其中,所述寻呼消息中包括辅助信息;第二发送模块,配置为根据所述辅助信息发送所述寻呼消息。
- 一种存储介质,所述存储介质包括存储的程序,其中,所述程序运行时执行权利要求1至9任一项所述的方法,或者执行权利要求10至22任一项所述的方法。
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US16/714,114 US11115955B2 (en) | 2017-06-15 | 2019-12-13 | Method for transmitting paging message, device, and storage medium |
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US11115955B2 (en) | 2021-09-07 |
KR20200011983A (ko) | 2020-02-04 |
JP6933732B2 (ja) | 2021-09-08 |
CN109151997A (zh) | 2019-01-04 |
EP3641427A1 (en) | 2020-04-22 |
PT3641427T (pt) | 2024-07-10 |
CN109151997B (zh) | 2023-03-10 |
EP3641427A4 (en) | 2020-05-13 |
EP3641427B1 (en) | 2024-06-05 |
JP2020523869A (ja) | 2020-08-06 |
US20200120638A1 (en) | 2020-04-16 |
DK3641427T3 (da) | 2024-06-17 |
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