WO2016149920A1 - Dispositif terminal, dispositif de réseau et procédé de transmission de message de radiomessagerie - Google Patents

Dispositif terminal, dispositif de réseau et procédé de transmission de message de radiomessagerie Download PDF

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Publication number
WO2016149920A1
WO2016149920A1 PCT/CN2015/075049 CN2015075049W WO2016149920A1 WO 2016149920 A1 WO2016149920 A1 WO 2016149920A1 CN 2015075049 W CN2015075049 W CN 2015075049W WO 2016149920 A1 WO2016149920 A1 WO 2016149920A1
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Prior art keywords
terminal device
paging
network device
broadcast message
coverage enhancement
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PCT/CN2015/075049
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English (en)
Chinese (zh)
Inventor
胡振兴
夏金环
高永强
张戬
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华为技术有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201580069719.3A priority Critical patent/CN107409004A/zh
Priority to PCT/CN2015/075049 priority patent/WO2016149920A1/fr
Publication of WO2016149920A1 publication Critical patent/WO2016149920A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00—Arrangements for detecting or preventing errors in the information received

Definitions

  • the present invention relates to the field of wireless communications technologies, and in particular, to a terminal device, a network device, and a method for transmitting a paging message.
  • the network device sends a paging message to the terminal device through a paging process, completes service establishment with the terminal device, broadcasts a message update, and the like. And in order to save power, the terminal in the idle state does not receive the paging message at every moment, and is usually received by the discontinuous reception (DRX) mode, and the terminal device wakes up at the receiving moment of the paging message in the DRX cycle, and views Whether there is its own paging message, if there is, it will respond to the paging message; otherwise it will sleep again.
  • DRX discontinuous reception
  • LTE Long Term Evolution
  • eNB Evolved NodeB
  • PDSCH Physical Downlink Shared CHannel
  • UE User Equipment
  • IMSI International Mobile Subscriber Identification Number
  • the UE monitors whether there is a Paging-Radio Network Temporary Identity (P-RNTI) scrambled physical downlink control channel (Physical Downlink Control CHannel, PDCCH) in the PO sub-frame of the PF, if any, Then, the scheduling resource information is obtained therefrom, and then the PDSCH channel is received on the corresponding scheduling resource to obtain a paging message.
  • P-RNTI Paging-Radio Network Temporary Identity
  • PDCCH Physical Downlink Control CHannel
  • PF and PO are based on the parameters configured by the eNB, and the relevant formulas and parameters have the following meanings:
  • T the DRX cycle of the UE
  • nB 4T, 2T, T, T/2, T/4, T/8, T/16, T/32;
  • N:min(T, nB), min means taking the minimum value
  • Ns:max(1, nB/T), max means taking the maximum value
  • UE_ID IMSI mod 1024, m mod n represents the remainder obtained by dividing the integer m by the integer n;
  • I_s floor(UE_ID/N) mod Ns, floor means rounding down.
  • the repetition period of the frame number of the radio frame is 1024, so the frame number of each radio frame ranges from 0 to 1023.
  • I_s indicates the location of the PO of the UE on the PF.
  • the PO of the UE is closely related to the Ns, and the Ns is related to the default paging periods T and nB configured by the system.
  • the position of PO in PF is shown in Figure 1. In the following table, N/A means not applicable.
  • the standard is discussing a class of UEs that need coverage enhancement, such as meter devices in the basement. Due to the influence of the chamber, the signal attenuation may be as high as ten dB, and the terminal equipment cannot communicate normally with the eNB. At present, communication is guaranteed by means of repeated transmission.
  • the network device sends the paging message in the same way, and the processing manner is not flexible enough.
  • the embodiment of the invention provides a terminal device, a network device, and a method for transmitting a paging message, which are used to solve the current method for processing a paging message sent by a network device for different coverage enhancement levels.
  • the problem is not flexible enough.
  • an embodiment of the present invention provides a terminal device, including:
  • a processing module configured to determine a coverage enhancement level of the terminal device, and determine, according to the determined coverage enhancement level of the terminal device, a radio resource used by the paging message sent by the network device;
  • the receiving module is configured to receive, by using the radio resource determined by the processing module, a paging message sent by the network device.
  • the processing module is specifically configured to:
  • the terminal device belongs to a coverage enhancement level i, where i is a positive integer
  • the paging frame used by the terminal device to receive the paging message sent by the network device is: consecutive nFi frames in a paging cycle of paging the terminal device;
  • the nFi is the number of paging frames used by the network device to send a paging message to a terminal device belonging to the coverage enhancement level i in a paging cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, and the T is a discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging messages sent by the network device to terminal devices belonging to different coverage enhancement levels are transmitted in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame. No. *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • the DRX cycle of the terminal device is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is transmitted in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number* (nF1) +nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer.
  • the nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter specific to the coverage enhanced coverage within the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter that is set for a terminal device that belongs to the coverage enhancement level i among the coverage enhanced terminal devices in the coverage area of the cell where the terminal device is located in the network device.
  • the receiving module is further used to:
  • the Ns max(1, nB/T), where max represents a maximum value.
  • the receiving module is further configured to:
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents downward rounding for taking the integer smaller than the quotient and closest to the quotient; i_s is the paging of the terminal device in itself The paging subframe in the frame.
  • the receiving module is further configured to:
  • the receiving module is further configured to:
  • the receiving module is specifically configured to:
  • the paging subframe corresponding to the terminal device in each paging subframe that can be used by the network device The paging message sent by the network device.
  • the receiving module is further configured to:
  • the paging message is carried
  • the indication information indicating the change of the broadcast message includes at least one of the following information:
  • the terminal device type includes at least one of the following types:
  • an embodiment of the present invention provides a network device, including:
  • a processing module configured to determine a coverage enhancement level of the terminal device, and determine, according to the determined coverage enhancement level of the terminal device, a radio resource used to send a paging message to the terminal device;
  • a sending module configured to send a paging message to the terminal device on the radio resource determined by the processing module.
  • the processing module is specifically configured to:
  • the coverage enhancement level i, i of the terminal device is a positive integer
  • the processing module is specifically configured to: determine, in paging each frame of consecutive nFi frames in a paging cycle of the terminal device, a paging frame used for sending a paging message to the terminal device;
  • the nFi is the number of paging frames used by the network device to send a paging message to a terminal device belonging to the coverage enhancement level i in a paging cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, which is the number of frames included in the discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging messages sent by the network device to terminal devices belonging to different coverage enhancement levels are transmitted in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is transmitted in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer.
  • the nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter specific to the coverage enhanced coverage within the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter that is set for a terminal device that belongs to the coverage enhancement level i among the coverage enhanced terminal devices in the coverage area of the cell where the terminal device is located in the network device.
  • the sending module is further configured to:
  • the network device Before the network device sends the paging message to the terminal device, sending a broadcast message, where the broadcast message carries the nB.
  • the Ns max(1, nB/T), where max represents a maximum value.
  • the sending module is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries the Ni.
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents downward rounding for taking the integer smaller than the quotient and closest to the quotient; i_s is the paging of the terminal device in itself The paging subframe in the frame.
  • the sending module is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries the nSF.
  • the sending module is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries The nPF.
  • the sending module is specifically configured to:
  • the paging subframe corresponding to the terminal device in each paging subframe that can be used by the network device sends the paging subframe to the terminal device Said paging message.
  • the sending module is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries the nFi.
  • the paging message carries indication information for indicating a change of a broadcast message, and the indication information includes At least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • an embodiment of the present invention provides a method for sending a paging message, including:
  • the network device determines a coverage enhancement level of the terminal device
  • the network device sends a paging message to the terminal device on the determined wireless resource.
  • Determining the radio resource used for sending the paging message to the terminal device including:
  • the coverage enhancement level i, i of the terminal device is a positive integer
  • Determining a paging frame used to send a paging message to the terminal device including:
  • the nFi is: a paging used by the network device to send a paging message to a terminal device belonging to the coverage enhancement level i in a paging cycle of the terminal device belonging to the coverage enhancement level i The number of frames.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, which is the number of frames included in the discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging messages sent by the network device to terminal devices belonging to different coverage enhancement levels are transmitted in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is transmitted in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer.
  • the nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter specific to the coverage enhanced coverage within the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter that is set for a terminal device that belongs to the coverage enhancement level i among the coverage enhanced terminal devices in the coverage area of the cell where the terminal device is located in the network device.
  • the method further includes:
  • the network device sends a broadcast message, and the broadcast message carries the nB.
  • the Ns max(1, nB/T), where max represents a maximum value.
  • the method further includes:
  • the network device sends a broadcast message, the broadcast message carrying the Ni.
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents downward rounding for taking the integer smaller than the quotient and closest to the quotient; i_s is the paging of the terminal device in itself The paging subframe in the frame.
  • the method Before sending the paging message to the terminal device, the method further includes:
  • the network device sends a broadcast message, and the broadcast message carries the nSF.
  • the method further includes: the network device sending a broadcast message, where The broadcast message carries the nPF.
  • the network device sends the paging message to the terminal device for each paging subframe that the network device can use for the coverage enhancement level i in the paging frame sent to the terminal device;
  • the method further includes:
  • the network device sends a broadcast message, and the broadcast message carries the nFi.
  • the paging message carries indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • an embodiment of the present invention provides a method for receiving a paging message, including:
  • the terminal device determines its own coverage enhancement level
  • the terminal device receives a paging message sent by the network device on the determined radio resource.
  • Determining, by the terminal device, the radio resource used by the paging message sent by the network device including:
  • the terminal device determines a paging frame used to receive a paging message sent by the network device, and receives a paging subframe used by the paging message in each used paging frame.
  • the terminal device belongs to a coverage enhancement level i, where i is a positive integer
  • the paging frame used by the terminal device to receive the paging message sent by the network device is: consecutive nFi frames in a paging cycle of paging the terminal device;
  • the nFi is the number of paging frames used by the network device to send a paging message to a terminal device belonging to the coverage enhancement level i in a paging cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, and the T is a discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging messages sent by the network device to terminal devices belonging to different coverage enhancement levels are transmitted in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • the DRX cycle of the terminal device is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the coverage enhancement level i.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is transmitted in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer.
  • the nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter specific to the coverage enhanced coverage within the coverage area of the cell where the terminal device is located under the network device;
  • the nB is a parameter that is set for a terminal device that belongs to the coverage enhancement level i among the coverage enhanced terminal devices in the coverage area of the cell where the terminal device is located in the network device.
  • the terminal device receives the paging message sent by the network device on the determined radio resource. Previously, it also included:
  • the terminal device receives a broadcast message sent by the network device, and acquires the nB from the broadcast message.
  • the Ns max(1, nB/T), where max represents a maximum value.
  • the method further includes:
  • the terminal device receives a broadcast message sent by the network device, and acquires the Ni from the broadcast message.
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF a paging frame interval configured by the system, and is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents downward rounding for taking the integer smaller than the quotient and closest to the quotient; i_s is the paging of the terminal device in itself The paging subframe in the frame.
  • the method further includes:
  • the method further includes:
  • the terminal device receives a broadcast message sent by the network device, and acquires the nPF from the broadcast message.
  • the method further includes:
  • the terminal device receives a broadcast message sent by the network device, and acquires the nFi from the broadcast message.
  • the paging message carries indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • an embodiment of the present invention provides a terminal device, including:
  • a receiving module configured to receive a paging message
  • a processing module configured to acquire, from the paging message received by the receiving module, indication information for indicating a change of a broadcast message; and according to a device type of the terminal device, and an obtained indication for indicating a change of a broadcast message And receiving, when the broadcast message corresponding to the device type of the terminal device is changed, receiving a broadcast message;
  • the indication information includes at least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • an embodiment of the present invention provides a network device, including:
  • a processing module configured to determine a paging message
  • a sending module configured to send the paging message that is determined by the processing module, where the paging message carries indication information for indicating a change of the broadcast message, where the indication information includes at least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • a seventh aspect of the present invention provides a method for receiving a paging message, including:
  • the terminal device acquires, from the received paging message, indication information for indicating a change of the broadcast message;
  • the indication information includes at least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • an embodiment of the present invention provides a method for sending a paging message, including:
  • the network device determines a paging message
  • the network device sends the determined paging message, where the paging message carries indication information for indicating a broadcast message change, the indication information including at least one of the following information:
  • the specific terminal device type including at least one of the following types:
  • the network device determines, according to the coverage enhancement level of the terminal device, the wireless used to send the paging message to the terminal device. And transmitting, on the determined radio resource, a paging message to the terminal device; and the terminal device determines, according to its coverage enhancement level, the radio resource used by the paging message sent by the network device, where the determined radio resource is used, Receiving a paging message sent by the network device.
  • the paging message is sent according to the coverage enhancement level of the terminal device, and the paging message is sent by using different radio resources, and the processing is more flexible.
  • the network device when the network device sends a paging message carrying indication information for indicating a change of the broadcast message, specifically indicating which broadcast is The message changes, such as: coverage enhancement related broadcast message change, low complexity related broadcast message, or terminal type indicating that the broadcast message changes, such as: low complexity terminal device type, coverage enhanced terminal device type.
  • the terminal device after receiving the paging message, the terminal device receives the broadcast message when it determines that the broadcast message corresponding to the device type of the device changes, and reduces the processing load of the terminal device.
  • Figure 1 is a schematic illustration of the position of PO in the PF
  • FIG. 2 is a schematic structural diagram of a wireless communication system according to an embodiment of the present invention.
  • Embodiment 1 of the present invention is a flowchart of Embodiment 1 of the present invention.
  • FIG. 4 is a schematic diagram of a paging frame and a paging subframe occupied by a paging message according to Embodiment 1 of the present invention
  • FIG. 5 is a schematic diagram of a paging frame and a paging subframe occupied by a paging message according to Embodiment 3 of the present invention
  • FIG. 6 is a schematic diagram of sending a paging message to terminal devices belonging to different coverage enhancement levels in the same frequency band according to Embodiment 6 of the present invention
  • FIG. 7 is a schematic structural diagram of a first terminal device according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of a second terminal device according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a third terminal device according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a fourth terminal device according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of a first network device according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of a second network device according to an embodiment of the present disclosure.
  • FIG. 13 is a schematic structural diagram of a third network device according to an embodiment of the present disclosure.
  • FIG. 14 is a schematic structural diagram of a fourth network device according to an embodiment of the present disclosure.
  • FIG. 15 is a flowchart of a method for sending a first paging message according to an embodiment of the present invention.
  • FIG. 16 is a flowchart of a method for sending a second paging message according to an embodiment of the present invention.
  • FIG. 17 is a flowchart of a method for receiving a first paging message according to an embodiment of the present invention.
  • FIG. 18 is a flowchart of a method for receiving a second paging message according to an embodiment of the present invention.
  • the embodiments of the present invention provide a terminal device, a network device, and a method for transmitting a paging message, which are used to solve the problem that the processing method for sending a paging message by the network device is the same for different coverage enhancement levels, and the processing manner is not flexible enough.
  • the network device determines, according to the coverage enhancement level of the terminal device, the radio resource used to send the paging message to the terminal device, and sends the paging message to the terminal device on the determined radio resource.
  • the terminal device determines, according to its coverage enhancement level, the radio resource used by the paging message sent by the network device, and receives the paging message sent by the network device on the determined radio resource.
  • the paging message is sent according to the coverage enhancement level of the terminal device, and the paging message is sent by using different radio resources, and the processing is more flexible.
  • the network device can carry the indication information for indicating the change of the broadcast message through the paging message, and instruct the terminal device to read the modified broadcast message after receiving the paging message.
  • the terminal device can carry the indication information for indicating the change of the broadcast message through the paging message, and instruct the terminal device to read the modified broadcast message after receiving the paging message.
  • all terminal devices in a cell coverage area need to read the modified broadcast message after receiving the paging message, which causes a large processing load on the terminal device.
  • the network device when the network device sends the paging message, it specifically indicates what kind of broadcast message is changed, for example, the coverage enhancement related broadcast message changes, the low complexity related broadcast message, or the broadcast message is indicated.
  • the type of terminal involved in the change such as: low complexity terminal device type, coverage enhanced terminal device type.
  • the wireless communication system provided by the embodiment of the present invention is introduced, and then the terminal, the network device, and the paging message transmission method provided by the embodiment of the present invention are introduced.
  • FIG. 2 is a schematic structural diagram of a wireless communication system according to an embodiment of the present invention. as shown in picture 2,
  • the wireless communication system includes a network device 201 and a terminal device 202, wherein the network device 201 transmits a paging message to the terminal device 202.
  • the communication system of the wireless communication system includes but is not limited to: Global System of Mobile communication (GSM), Code Division Multiple Access (CDMA) IS-95, and code division.
  • the network device 301 may include a base station, or include a base station and a radio resource management device for controlling the base station, and the like.
  • the terminal 302 is a terminal device that communicates with the network device 301, and includes a user equipment, a relay node, and the like. But not limited to: mobile phones, tablets, personal digital assistants (PDAs), point of sales (POS), car computers, and so on.
  • PDAs personal digital assistants
  • POS point of sales
  • car computers and so on.
  • the network device 201 may be an evolved NodeB (eNodeB), and the terminal 202 is a User Equipment (UE); for a TD-SCDMA system or WCDMA.
  • eNodeB evolved NodeB
  • UE User Equipment
  • the network device 201 may include: a Node B (NodeB), or a NodeB and a Radio Network Controller (RNC), and the terminal 202 is a UE; for the GSM system, the network device 201 may include a base transceiver station (Base Transceiver Station) , BTS), or includes a BTS and a Base Station Controller (BSC), the terminal 202 is a mobile station (MS); for the WiFi system, the network device 201 may include: an access point (AP) , the terminal 202 can For the site (STAtion, STA).
  • NodeB Node B
  • RNC Radio Network Controller
  • the network device 201 first determines when transmitting a broadcast message to the terminal device 202.
  • the coverage enhancement level of the terminal device 202 the network device 201 determines the radio resource used to send the paging message to the terminal device 202 according to the determined coverage enhancement level of the terminal device 202; the network device 201, on the determined radio resource, to the terminal device 202 sends a paging message.
  • the terminal device 202 determines the coverage level to which the network device belongs, and determines the radio resource used by the paging message sent by the network device 201 according to the determined coverage level to which it belongs, and the receiving network device 201 transmits the determined radio resource. Paging message.
  • each of the coverage enhancement levels corresponds to the radio frequency indicator.
  • the network device 201 can determine the coverage enhancement level of the terminal device 202 according to the path loss value in the wireless measurement report reported when the terminal device 202 accesses the network device 201. For example, for the aforementioned meter device in the basement, since it usually does not move within the coverage of the cell, the path loss value reported by the last access network device 201 is the same for the subsequent paging process and other call processes. Applicable. There are many ways in which the network device 201 determines the coverage enhancement level of the terminal device 202, and is merely an example here.
  • the terminal device 202 can measure the received cell reference signal, such as the received power of the cell-specific reference signals (CRS), and the transmit power of the cell reference signal that is known in advance (for example, : Obtained by the received cell broadcast message) to determine its own coverage enhancement level.
  • CRS cell-specific reference signals
  • the network device 201 determines, according to the determined coverage enhancement level, the radio resource used to send the paging message to the terminal device 202, for example, determining to send the paging message to the terminal device 202.
  • the paging frame such as the aforementioned PF, and the paging subframe used for transmitting the paging message in each paging frame used, such as the aforementioned PO.
  • the terminal device 202 can also determine the reception according to the same manner as the network device 201.
  • the paging frame used by the network device 201 to send the paging message to the terminal device 202 can be determined in various manners including the following two methods.
  • the terminal device 202 belongs to the coverage enhancement level i.
  • the parameter nFi in the following two modes is the number of paging frames used by the network device 201 to send a paging message to the terminal device belonging to the coverage enhancement level i in one paging cycle of the terminal device belonging to the coverage enhancement level i.
  • i is a positive integer.
  • the network device 201 transmits a paging frame used by the paging message to the terminal device 202; that is, the network device 201 is in a paging cycle.
  • Each of the consecutive nFi frames within the frame transmits a paging message to the terminal device 202.
  • a paging message may be repeatedly transmitted hundreds of times, and the number of repetitions of sending the paging message is different for different coverage enhancement levels.
  • the terminal device can only receive paging once in each paging cycle, which greatly lengthens the length of time that the terminal device correctly receives the paging message, and greatly reduces the communication efficiency.
  • the network device 201 sends a paging message to the terminal device 202 multiple times in a continuous nFi frame in a paging cycle, and concentrates the paging frame for sending the paging message, and the current paging cycle.
  • the terminal device 202 can complete the multiple reception of the paging message in a short time such as consecutive nFi frames, thereby shortening the correct reception. The length of the call message.
  • network device 201 transmits a paging frame for use by the paging message to terminal device 202.
  • the non-contiguous nFi is designed such that a terminal device belonging to a different coverage enhancement level can determine its own paging frame as long as the paging message is transmitted in one paging cycle.
  • M coverage enhancement levels there are a total of M coverage enhancement levels, namely: coverage enhancement level 1, coverage enhancement level 2, ... coverage enhancement level M, and M is an integer greater than 1.
  • the paging message belonging to the terminal device of the coverage enhancement level 1 may be sent in the nth, n+M, n+2M, . . . , n+(nFi-1)M frames, at the n+1th, nth
  • the +M+1, n+2M+1, ..., n+(nFi-1)M+1 frames send a paging message to the terminal device belonging to the coverage enhancement level 2, at the n+M-1, n+2M- 1.
  • the n+3M-1, . . . , n+nFi*M-1 frame sends a paging message to the terminal device belonging to the coverage enhancement level M, where n is a non-negative integer.
  • the network device 201 sends the paging message of the terminal device belonging to each coverage enhancement level according to the foregoing rule. If the value of n, M, and nFi is notified to the terminal device 202 in advance, the terminal device 202 can follow the same The rule determines which frames receive paging messages based on their coverage enhancement level.
  • the network device 201 may send a paging message to terminal devices belonging to different coverage enhancement levels in different frequency bands, or may send paging messages to terminal devices belonging to each coverage enhancement level in the same frequency band.
  • the network device 201 sends the paging message to the terminal device that belongs to the different coverage enhancement level in different frequency bands, when the mode 1 is used, the paging cycle of the terminal device belonging to the coverage enhancement level i is T*nFi, and the T is the coverage enhancement.
  • the network device 201 sends a paging message to the terminal device belonging to each coverage enhancement level in the same frequency band, when the mode 1 is used, the paging cycle of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM) Where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T is the DRX period of the terminal device belonging to coverage enhancement level i.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)); Is a positive integer, i ⁇ M, M is the coverage level Quantity.
  • the first frame number may be an SFN that satisfies one of the following formulas:
  • nPF is the paging frame interval configured by the system and is a positive integer.
  • the terminal device 202 When the terminal device 202 determines its own paging frame according to the same rules as above, it can receive a paging message sent to itself.
  • the parameter nB may be a parameter equal to all terminal devices in the coverage area of the cell where the terminal device 202 is located under the network device 201; or
  • nB is a parameter specific to the coverage enhanced terminal device 202 within the coverage of the cell in which the terminal device 202 is located under the network device 201;
  • nB is a parameter set for the terminal device 202 belonging to the coverage level i in the coverage enhanced terminal device 202 within the coverage of the cell where the terminal device 202 is located under the network device 201.
  • the network device 201 may send a broadcast message before the paging message is sent to the terminal device 202, and the broadcast message carries nB.
  • the network device 201 may send a broadcast message, where the broadcast message carries nFi, and the terminal device 202 may obtain the nFi from the received broadcast message; or
  • the network device 201 may send a broadcast message, where the broadcast message carries Ni, the terminal device 202 receives the broadcast message, and obtains Ni from it, and is used to calculate the information for receiving the paging message. Call frame.
  • the first frame number may also be an SFN that satisfies one of the following formulas:
  • N min(T, nSF)
  • UE_ID IMSI mod 1024 of the terminal device 202
  • the nSF is used to indicate a paging subframe in a paging frame that can be used to send a paging message
  • nPF the paging frame interval configured by the system, which is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device 202, where floor represents rounding down for taking the integer smaller than the quotient and closest to the quotient, i_s is the terminal device 202 in its own paging frame Paging sub-frame.
  • the network device 201 may send a broadcast message, where the broadcast message carries the nSF, the terminal device 202 receives the broadcast message, and obtains the nSF from the received broadcast message, to calculate The frame number of its own paging frame and the subframe number of the paging subframe.
  • the network device 201 may send a broadcast message, the broadcast message carries the nPF, and the terminal device 202 receives the SFN before sending the paging message to the terminal device 202.
  • the message is broadcast, and the nPF is obtained from the received broadcast message to calculate the frame number of its own paging frame.
  • the network device 201 sends a paging message to the terminal device 202 for each paging subframe that the coverage level i network device 201 can use in the paging frame sent to the terminal device 202; or the network device 201 is In the paging frame transmitted to the terminal device 202, a paging message is transmitted to the terminal device 202 for the paging subframe corresponding to the terminal device 202 in each paging subframe that can be used by the network device 201 covering the level i.
  • the paging message sent by the network device 201 to the terminal device 202 carries indication information for indicating a change of the broadcast message, and the indication information includes at least one of the following information:
  • MTC Machine Type Communication
  • the specific terminal device type includes at least one of the following types:
  • the terminal device 202 acquires indication information for indicating a change of the broadcast message from the received paging message, and determines the device type corresponding to the device according to the device type of the device and the indication information for indicating the change of the broadcast message. When a broadcast message changes, a broadcast message is received.
  • the low-complexity terminal device refers to a terminal device that supports a smaller maximum transport block.
  • the maximum supported transport block size does not exceed 1000 bits.
  • a narrowband terminal device refers to a terminal device with a small working bandwidth, such as a working bandwidth of 1.4 MHz.
  • the first implementation is described above, and the second implementation is described below. It should be noted that the first implementation manner and the second implementation manner are not contradictory, and the terminal device and the network device can implement the foregoing two implementation manners, respectively solve the problems solved by the two implementation manners, and reach corresponding technologies. effect.
  • the second implementation manner is to solve the problem that all terminal devices in a cell coverage area need to read the modified broadcast message after receiving the paging message for updating the broadcast message, and the terminal device is larger.
  • the problem of handling load is to solve the problem that all terminal devices in a cell coverage area need to read the modified broadcast message after receiving the paging message for updating the broadcast message, and the terminal device is larger.
  • the network device 201 sends a paging message carrying indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • the terminal device 202 receives the paging message, and obtains indication information for indicating the change of the broadcast message from the received paging message; the terminal device 202 is in accordance with the device type of the device and the obtained indication information for indicating the change of the broadcast message.
  • a broadcast message is received when it is determined that the broadcast message corresponding to its own device type has changed.
  • the terminal device After receiving the paging message, the terminal device receives the broadcast message when it determines that the broadcast message corresponding to the device type of the device changes, and reduces the processing load of the terminal device.
  • the wireless communication system provided by the embodiment of the present invention is exemplified by the first embodiment to the seventh embodiment (as shown in Table 3).
  • Embodiment 1 may include the following steps:
  • the terminal device 202 receives the broadcast message sent by the network device 201, and obtains configuration information for receiving the paging message from the received broadcast message.
  • the terminal device 202 may obtain configuration information of a paging message from a system information block (SIB2) or a broadcast message specifically used by the coverage enhanced terminal device; or, the terminal device 202 stores from the self. In the default or pre-configuration information, the configuration information of the paging message is obtained.
  • SIB2 system information block
  • SIB2 system information block
  • the configuration information of the paging message includes:
  • the network device 201 transmits the number nFi of paging frames used by the paging message to the terminal device belonging to the coverage enhancement level i, where i is a positive integer indicating each of the different coverage enhancement levels.
  • the configuration message of the paging message may further include:
  • the configuration message of the paging message may further include:
  • the paging frame interval nPF may be 1, 2, 3, 4, or the like.
  • the terminal device 201 receives the paging message according to the configuration information of the obtained paging message.
  • the terminal device 201 determines the nFi according to the coverage enhancement level i to which it belongs.
  • the frame number of the start frame of the terminal device 201 receiving the paging message is SFN_start_i is the first frame number *nFi;
  • the first frame number is an SFN that satisfies one of the following formulas:
  • SFN UE_ID mod nPF
  • the frame number of the end frame in which the terminal device 202 receives the paging frame is the frame number of the start frame + nFi-1.
  • the terminal device 202 obtains the configuration information of the paging message from the broadcast message specifically used by the coverage enhanced terminal device, when the configuration parameter of the paging message acquired in the dedicated broadcast message has nB, the nB may be followed.
  • the paging message is repeatedly transmitted according to a certain mechanism, instead of being currently only sent once in one paging cycle.
  • nFi in the content of the configuration information of the paging message is replaced with Ni.
  • nFi ceil(Ni/Ns), where ceil means round up, or you can change ceil Get rounded to get an integer, or round down.
  • the difference from the first embodiment and the second embodiment is that, in the paging frame sent by the network device 201 to the terminal device 202, the paging device corresponding to the terminal device 202 in each paging subframe that can be used by the coverage enhancement level i network device 201 The frame transmits a paging message to the terminal device 202.
  • FIG. 5 it can be seen that, in comparison with FIG. 4, in nFi consecutive paging frames, the network device 201 transmits a paging message to the terminal device 202 only on the paging subframe corresponding to the terminal device 202.
  • nB in the configuration information of the paging message is replaced by nSF (the value may be 1, 2, 3, 4), and the nSF is used to indicate that the paging message is available for sending the paging message in one paging frame. Paging sub-frame.
  • nSF may also represent the value of other subframes.
  • Ns is no longer needed, and Ns is directly replaced by nSF.
  • the paging message sent to the terminal device 202 can only be repeatedly transmitted using the subframe corresponding to the terminal device 202.
  • the subframe number i_s of the paging subframe used by the terminal device 202 satisfies:
  • I_s floor(UE_ID/T) mod nSF, where floor represents rounding down.
  • the paging messages sent by the network device 201 to the terminal devices 202 belonging to different coverage levels are transmitted in different frequency bands.
  • the paging message sent by the network device 201 to the terminal device 202 belonging to each coverage level is transmitted in the same frequency band.
  • the frame number of the start frame is:
  • the frame number of the start frame is:
  • the frame number of the start frame is:
  • UE1 belongs to coverage enhancement level 1
  • UE2 belongs to coverage enhancement level 2
  • UE3 belongs to coverage enhancement level 3
  • UE4 belongs to coverage enhancement level 4
  • UE5 belongs to coverage enhancement level 2.
  • Embodiment 6 can implement that paging messages sent to terminal devices belonging to multiple coverage enhancement levels are transmitted in the same frequency band.
  • the paging message when the network device 201 sends a paging message for updating a broadcast message, the paging message carries indication information for indicating a change of the broadcast message, and the indication information may include at least one of the following information: :
  • the specific terminal device type includes at least one of the following types:
  • the terminal device 202 After receiving the paging message, the terminal device 202 acquires indication information for indicating a change of the broadcast message, determines whether the broadcast message related to its type changes, and if a change occurs, receives a new broadcast message.
  • the terminal device only receives the broadcast message when the broadcast message related to the terminal device type changes. Otherwise, the terminal device does not trigger the terminal device to receive the broadcast message, which can reduce the power consumption of the terminal device and reduce the processing load of the terminal device.
  • the embodiment of the present invention further provides a method for transmitting a terminal device, a network device, and a paging message.
  • the principle of solving the problem is similar to the wireless communication system provided by the embodiment of the present invention, and the implementation may refer to the wireless communication system. The implementation, repetitions will not be repeated.
  • FIG. 7 is a schematic structural diagram of a first terminal device according to an embodiment of the present invention. As shown in FIG. 7, the terminal device includes:
  • the processing module 701 is configured to determine a coverage enhancement level of the terminal device, and determine, according to the determined coverage enhancement level of the terminal device, a radio resource used by the paging message sent by the network device.
  • the receiving module 702 is configured to receive, by using the radio resource determined by the processing module 701, a paging message sent by the network device.
  • processing module 701 is specifically configured to:
  • the terminal device belongs to the coverage enhancement level i, where i is a positive integer;
  • the paging frame used by the terminal device to receive the paging message sent by the network device is: consecutive nFi frames in a paging cycle of the paging terminal device;
  • nFi is: a paging frame used by the network device to send a paging message to a terminal device belonging to the coverage enhancement level i in one paging cycle of the terminal device belonging to the coverage enhancement level i number.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, and T is a discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging message sent by the network device to the terminal devices belonging to different coverage enhancement levels is sent in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T belongs to The DRX cycle of the terminal device of the enhanced level i is covered.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is sent in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF is the paging frame interval configured by the system and is a positive integer.
  • nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • nB is a terminal device-specific parameter for coverage enhancement within the coverage of the cell where the terminal device is located under the network device;
  • the nB is a parameter set for the terminal device belonging to the coverage enhancement level i among the coverage enhanced terminal devices within the coverage of the cell where the terminal device is located under the network device.
  • the receiving module 702 is also used to:
  • Ns max(1, nB/T), where max represents the maximum value.
  • the receiving module 702 is further configured to:
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF the paging frame interval configured by the system, which is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents rounding down for taking the integer smaller than the quotient and closest to the quotient; i_s is the terminal device searching in its own paging frame Caller frame.
  • the receiving module 702 is further configured to:
  • the receiving module 702 is further configured to:
  • the receiving module 702 is specifically configured to:
  • the paging subframe corresponding to the terminal device in each paging subframe that can be used by the network device receives the paging message sent by the network device.
  • the receiving module 702 is further configured to:
  • the paging message carries indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • the first type of terminal device provided by the embodiment of the present invention is described above.
  • FIG. 8 is a schematic structural diagram of a second terminal device according to an embodiment of the present invention. As shown in FIG. 8, the terminal device includes:
  • the processor 801 is configured to determine a coverage enhancement level of the terminal device, and according to the determined terminal device Coverage enhancement level, determining the radio resource used by the receiving paging message sent by the network device;
  • the receiver 802 is configured to receive, by using the radio resource determined by the processor 801, a paging message sent by the network device.
  • the processor 801 For a specific implementation of the processor 801, reference may be made to the foregoing processing module 701.
  • the receiver 802 reference may be made to the foregoing receiving module 702, and other implementation details of the terminal device may refer to the wireless communication system provided by the embodiment of the present invention.
  • the terminal device 202 will not be described again in repetition.
  • FIG. 9 is a schematic structural diagram of a third terminal device according to an embodiment of the present invention. As shown in FIG. 9, the terminal device includes:
  • the receiving module 901 is configured to receive a paging message.
  • the processing module 902 is configured to obtain, from the paging message received by the receiving module 901, indication information for indicating a change of the broadcast message, and determine, according to the device type of the terminal device, and the obtained indication information for indicating a change of the broadcast message. Receiving a broadcast message when a broadcast message corresponding to the device type of the terminal device is changed;
  • the indication information includes at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • terminal device 202 for other implementation details of the terminal device, reference may be made to the terminal device 202 in the wireless communication system provided by the embodiment of the present invention, and details are not described herein again.
  • FIG. 10 is a schematic structural diagram of a fourth terminal device according to an embodiment of the present invention. As shown in Figure 10 The terminal device includes:
  • a receiver 1001 configured to receive a paging message
  • the processor 1002 is configured to obtain, from the paging message received by the receiver 1001, indication information for indicating a change of the broadcast message, and determine, according to the device type of the terminal device, and the obtained indication information for indicating a change of the broadcast message. Receiving a broadcast message when a broadcast message corresponding to the device type of the terminal device is changed;
  • the indication information includes at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • terminal device 202 for other implementation details of the terminal device, reference may be made to the terminal device 202 in the wireless communication system provided by the embodiment of the present invention, and details are not described herein again.
  • FIG. 11 is a schematic structural diagram of a first network device according to an embodiment of the present invention. As shown in FIG. 11, the network device includes:
  • the processing module 1101 is configured to determine a coverage enhancement level of the terminal device, and determine, according to the determined coverage enhancement level of the terminal device, a radio resource used for sending the paging message to the terminal device;
  • the sending module 1102 is configured to send a paging message to the terminal device on the radio resource determined by the processing module 1101.
  • processing module 1101 is specifically configured to:
  • the paging subframe used for sending the paging message is sent.
  • the coverage enhancement level i, i of the terminal device is a positive integer
  • the processing module 1101 is specifically configured to: determine, in each of the consecutive nFi frames in a paging cycle of the paging terminal device, a paging frame used for sending a paging message to the terminal device;
  • nFi is the number of paging frames used by the network device to send the paging message to the terminal device belonging to the coverage enhancement level i in one paging cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, and T is the number of frames included in the discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging message sent by the network device to the terminal devices belonging to different coverage enhancement levels is sent in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T belongs to The number of frames included in the DRX cycle of the terminal device covering the enhancement level i.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is sent in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF is the paging frame interval configured by the system and is a positive integer.
  • nB is all ends in the coverage of the cell where the terminal device under the network device is located.
  • the parameters of the end devices are equal; or
  • nB is a terminal device-specific parameter for coverage enhancement within the coverage of the cell where the terminal device is located under the network device;
  • the nB is a parameter set for the terminal device belonging to the coverage enhancement level i among the coverage enhanced terminal devices within the coverage of the cell where the terminal device is located under the network device.
  • the sending module 1102 is further configured to:
  • the broadcast message is sent, and the broadcast message carries nB.
  • Ns max(1, nB/T), where max represents the maximum value.
  • the sending module 1102 is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries Ni.
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF the paging frame interval configured by the system, which is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents rounding down for taking the integer smaller than the quotient and closest to the quotient; i_s is the terminal device searching in its own paging frame Caller frame.
  • the sending module 1102 is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries the nSF.
  • the sending module 1102 is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries the nPF.
  • the sending module 1102 is specifically configured to:
  • the paging message is sent to the terminal device.
  • the paging subframe corresponding to the terminal device in each paging subframe that can be used by the network device sends a paging message to the terminal device.
  • the sending module 1102 is further configured to: before sending the paging message to the terminal device, send a broadcast message, where the broadcast message carries nFi.
  • the paging message carries indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • FIG. 12 is a schematic structural diagram of a second network device according to an embodiment of the present invention. As shown in FIG. 12, the network device includes:
  • the processor 1201 is configured to determine a coverage enhancement level of the terminal device, and according to the determined terminal setting a coverage enhancement level to determine a radio resource used to send a paging message to the terminal device;
  • the transmitter 1202 is configured to send a paging message to the terminal device on the radio resource determined by the processor 1201.
  • the implementation of the processor 1201 may refer to the processing module 1101.
  • the implementation of the transmitter 1202 may refer to the sending module 1102.
  • Other implementation details of the network device may refer to the network device 201 in the wireless communication system provided by the embodiment of the present invention. I won't go into details here.
  • FIG. 13 is a schematic structural diagram of a third network device according to an embodiment of the present invention. As shown in FIG. 13, the network device includes:
  • the processing module 1301 is configured to determine a paging message.
  • the sending module 1302 is configured to send a paging message that is determined by the processing module 1301, where the paging message carries indication information for indicating a change of the broadcast message, and the indication information includes at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • FIG. 14 is a schematic structural diagram of a fourth network device according to an embodiment of the present invention. As shown in FIG. 14, the network device includes:
  • the processor 1401 is configured to determine a paging message.
  • the transmitter 1402 is configured to send a paging message that is determined by the processor 1401, where the paging message carries indication information for indicating a change of the broadcast message, where the indication information includes at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • FIG. 15 is a flowchart of a method for sending a first paging message according to an embodiment of the present invention. As shown in FIG. 15, the method includes the following steps:
  • the network device determines a coverage enhancement level of the terminal device.
  • the network device determines, according to the determined coverage enhancement level of the terminal device, the radio resource used to send the paging message to the terminal device.
  • the network device sends a paging message to the terminal device on the determined radio resource.
  • determining, in S1502, the radio resource used to send the paging message to the terminal device including:
  • a paging frame used to transmit a paging message to the terminal device is determined, and a paging subframe used for transmitting the paging message is transmitted in each of the used paging frames.
  • the coverage enhancement level i, i of the terminal device is a positive integer
  • S1502 determines a paging frame used for sending a paging message to the terminal device, including:
  • the network device determines each of the consecutive nFi frames within one paging cycle of the paging terminal device a frame, a paging frame used for sending a paging message to the terminal device;
  • nFi is the number of paging frames used by the network device to send the paging message to the terminal device belonging to the coverage enhancement level i in one paging cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, and T is the number of frames included in the discontinuous reception DRX cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging message sent by the network device to the terminal devices belonging to different coverage enhancement levels is sent in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T belongs to The number of frames included in the DRX cycle of the terminal device covering the enhancement level i.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is sent in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF is the paging frame interval configured by the system and is a positive integer.
  • nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • nB is a terminal device-specific parameter for coverage enhancement within the coverage of the cell where the terminal device is located under the network device;
  • the nB is a parameter set for the terminal device belonging to the coverage enhancement level i among the coverage enhanced terminal devices within the coverage of the cell where the terminal device is located under the network device.
  • the method further includes:
  • the network device sends a broadcast message, and the broadcast message carries nB.
  • Ns max(1, nB/T), where max represents the maximum value.
  • the network device before the sending, by the network device, the paging message to the terminal device, the network device further includes:
  • the network device sends a broadcast message, and the broadcast message carries Ni.
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF the paging frame interval configured by the system, which is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents rounding down for taking the integer smaller than the quotient and closest to the quotient; i_s is the terminal device searching in its own paging frame Caller frame.
  • the network device before the sending, by the network device, the paging message to the terminal device, the network device further includes:
  • the network device sends a broadcast message, and the broadcast message carries the nSF.
  • the method further includes: the network device sends a broadcast message, where the broadcast message carries the nPF.
  • step S1503 the network device sends a paging message to the terminal device, including:
  • the network device sends a paging message to the terminal device for each paging subframe that the network device can use for the coverage enhancement level i in the paging frame sent to the terminal device;
  • the network device sends a paging message to the terminal device in the paging frame sent to the terminal device, for the coverage enhancement level i, the paging subframe corresponding to the terminal device in each paging subframe that can be used by the network device.
  • the network device before the sending, by the network device, the paging message to the terminal device, the network device further includes:
  • the network device sends a broadcast message, and the broadcast message carries nFi.
  • the paging message carries indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • FIG. 16 is a flowchart of a method for sending a second paging message according to an embodiment of the present invention. As shown in FIG. 16, the method includes the following steps:
  • S1601 The network device determines a paging message.
  • the network device sends the determined paging message, where the paging message carries indication information for indicating a change of the broadcast message, the indication information includes at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • FIG. 17 is a flowchart of a method for receiving a first paging message according to an embodiment of the present invention. As shown in FIG. 17, the method includes the following steps:
  • the terminal device determines its own coverage enhancement level
  • the terminal device determines, according to the determined coverage enhancement level of the network, the radio resource used by the paging message sent by the network device.
  • the terminal device receives, on the determined radio resource, a paging message sent by the network device.
  • the terminal device determines to receive the radio resource used by the paging message sent by the network device, including:
  • the terminal device determines a paging frame used by the receiving paging message sent by the network device, and receives a paging subframe used by the paging message in each used paging frame.
  • the terminal device belongs to the coverage enhancement level i, where i is a positive integer;
  • the paging frame used by the terminal device to receive the paging message sent by the network device is: consecutive nFi frames in a paging cycle of the paging terminal device;
  • nFi is the number of paging frames used by the network device to send the paging message to the terminal device belonging to the coverage enhancement level i in one paging cycle of the terminal device belonging to the coverage enhancement level i.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*nFi, and T belongs to A discontinuous reception DRX cycle of the terminal device covering the enhancement level i.
  • the paging message sent by the network device to the terminal devices belonging to different coverage enhancement levels is sent in different frequency bands.
  • the frame number SFN_start_i of the start frame is the first frame number *nFi.
  • the paging period of the terminal device belonging to the coverage enhancement level i is T*(nF1+nF2+...+nFM), where M is a positive integer, i ⁇ M, M is the number of coverage enhancement levels, and T belongs to The DRX cycle of the terminal device of the enhanced level i is covered.
  • the paging message sent by the network device to the terminal device belonging to each coverage enhancement level is sent in the same frequency band.
  • the frame number SFN_start_i of the start frame is the first frame number *(nF1+nF2+...+nFM)+(nF1+nF2+...+nF(i-1)).
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF is the paging frame interval configured by the system and is a positive integer.
  • nB is a parameter that is equal to all terminal devices in the coverage area of the cell where the terminal device is located under the network device;
  • nB is a terminal device-specific parameter for coverage enhancement within the coverage of the cell where the terminal device is located under the network device;
  • the nB is a parameter set for the terminal device belonging to the coverage enhancement level i among the coverage enhanced terminal devices within the coverage of the cell where the terminal device is located under the network device.
  • the terminal device receives the paging message sent by the network device on the determined radio resource in step S1703.
  • the terminal device receives the paging message sent by the network device on the determined radio resource in step S1703.
  • the formula SFN mod T (T div N)*(UE_ID mod N)
  • the terminal device receives the broadcast message sent by the network device, and acquires nB from the broadcast message.
  • Ns max(1, nB/T), where max represents the maximum value.
  • the method before the terminal device receives the paging message sent by the network device on the determined radio resource, the method further includes:
  • the terminal device receives the broadcast message sent by the network device, and acquires Ni from the broadcast message.
  • the first frame number is a system frame number SFN that satisfies one of the following formulas:
  • nPF the paging frame interval configured by the system, which is a positive integer
  • I_s floor(UE_ID/N) mod nSF of the terminal device, where floor represents rounding down for taking the integer smaller than the quotient and closest to the quotient; i_s is the terminal device searching in its own paging frame Caller frame.
  • the method before the terminal device receives the paging message sent by the network device on the determined radio resource, the method further includes:
  • the terminal device receives the broadcast message sent by the network device, and acquires the nSF from the broadcast message.
  • the method further includes:
  • the terminal device receives the broadcast message sent by the network device, and acquires the nPF from the broadcast message.
  • the terminal device receives the paging message sent by the network device on the determined radio resource, including:
  • the terminal device receives, in the paging frame sent by the network device to the terminal device, a paging message sent by the network device on each paging subframe that the network device can use for the coverage enhancement level i; or
  • the terminal device receives, in the paging frame sent by the network device to the terminal device, the paging subframe corresponding to the terminal device in each paging subframe that can be used by the network device for the coverage enhancement level i, and receives the paging message sent by the network device.
  • the method before the terminal device receives the paging message sent by the network device on the determined radio resource, the method further includes:
  • the terminal device receives the broadcast message sent by the network device, and acquires nFi from the broadcast message.
  • the paging message carries indication information for indicating a change of the broadcast message, the indication information including at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • FIG. 18 is a flowchart of a method for receiving a second paging message according to an embodiment of the present invention. As shown in FIG. 18, the method includes the following steps:
  • S1801 The terminal device receives the paging message.
  • the terminal device acquires, from the received paging message, indication information used to indicate a change of the broadcast message.
  • the terminal device receives the broadcast message when determining that the broadcast message corresponding to the device type of the device changes according to the device type of the device and the indication information for indicating the change of the broadcast message.
  • the indication information includes at least one of the following information:
  • the specific terminal device type includes at least one of the following types:
  • the network device determines, according to the coverage enhancement level of the terminal device, the radio resource used for sending the paging message to the terminal device, and sends the radio resource to the terminal device on the determined radio resource.
  • the terminal device determines, according to its coverage enhancement level, the radio resource used by the paging message sent by the network device, and receives the paging message sent by the network device on the determined radio resource.
  • the paging message is sent according to the coverage enhancement level of the terminal device, and the paging message is sent by using different radio resources, and the processing is more flexible.
  • the network device when the network device sends a paging message carrying the indication information for indicating the change of the broadcast message, the network device specifically indicates what kind of broadcast message is changed, for example, the coverage enhancement related broadcast message occurs.
  • Change, low complexity related broadcast messages or indicate the type of terminal involved in the broadcast message change, such as: low complexity terminal device type, coverage enhancement Terminal device type.
  • the terminal device after receiving the paging message, the terminal device receives the broadcast message when it determines that the broadcast message corresponding to the device type of the device changes, and reduces the processing load of the terminal device.
  • embodiments of the present invention can be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of an entirely hardware embodiment, an entirely software embodiment, or a combination of software and hardware. Moreover, the invention can take the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage, CD-ROM, optical storage, etc.) including computer usable program code.
  • computer-usable storage media including but not limited to disk storage, CD-ROM, optical storage, etc.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • These computer program instructions can also be loaded onto a computer or other programmable data processing device such that a series of operational steps are performed on a computer or other programmable device to produce computer-implemented processing for execution on a computer or other programmable device.
  • the instructions provide steps for implementing the functions specified in one or more of the flow or in a block or blocks of a flow diagram.

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

Abstract

La présente invention concerne le domaine technique des communications sans fil, et en particulier un dispositif terminal, un dispositif de réseau et un procédé de transmission de message de radiomessagerie permettant de traiter le problème selon lequel le schéma de traitement actuel n'est pas flexible car le dispositif de réseau transmet un message de radiomessagerie avec le même procédé de traitement pour différents niveaux d'amélioration de couverture. Le dispositif terminal fourni dans un mode de réalisation de la présente invention comprend : un module de traitement configuré pour déterminer le niveau d'amélioration de couverture du dispositif terminal, et déterminer, en fonction du niveau d'amélioration de couverture déterminé du dispositif terminal, des ressources sans fil utilisées pour la réception d'un message de radiomessagerie transmis par le dispositif de réseau ; et un module de réception configuré pour recevoir, sur les ressources sans fil déterminées par le module de traitement, le message de radiomessagerie transmis par le dispositif de réseau. Le message de radiomessagerie est transmis selon le niveau d'amélioration de couverture du dispositif terminal et à l'aide de différentes ressources sans fil. Le traitement est ainsi plus flexible.
PCT/CN2015/075049 2015-03-25 2015-03-25 Dispositif terminal, dispositif de réseau et procédé de transmission de message de radiomessagerie WO2016149920A1 (fr)

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CN201580069719.3A CN107409004A (zh) 2015-03-25 2015-03-25 一种终端设备、网络设备，以及寻呼消息的传输方法
PCT/CN2015/075049 WO2016149920A1 (fr) 2015-03-25 2015-03-25 Dispositif terminal, dispositif de réseau et procédé de transmission de message de radiomessagerie

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