WO2015110010A1 - Procédé et appareil d'envoi de message de recherche de mobile - Google Patents

Procédé et appareil d'envoi de message de recherche de mobile Download PDF

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Publication number
WO2015110010A1
WO2015110010A1 PCT/CN2015/071219 CN2015071219W WO2015110010A1 WO 2015110010 A1 WO2015110010 A1 WO 2015110010A1 CN 2015071219 W CN2015071219 W CN 2015071219W WO 2015110010 A1 WO2015110010 A1 WO 2015110010A1
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Prior art keywords
radio frame
paging message
subframe
reference radio
determined
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PCT/CN2015/071219
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English (en)
Chinese (zh)
Inventor
徐伟杰
潘学明
邢艳萍
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电信科学技术研究院
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Publication of WO2015110010A1 publication Critical patent/WO2015110010A1/fr

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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
    • 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

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to a paging message transmission method and apparatus.
  • Machine-to-machine (M2M) communication is a new communication concept. Its purpose is to combine many different types of communication technologies, such as machine-to-machine communication, machine control communication, human-computer interaction communication, Mobile internet communication to promote social production and lifestyle development. It is expected that the business of human-to-human communication in the future may only account for 1/3 of the entire terminal market, and a larger amount of communication is the inter-machine (small bandwidth system) communication service.
  • M2M Machine-to-machine
  • the MTC terminal has low mobility; the time for data transmission between the MTC terminal and the network side is controllable; that is, the MTC terminal can only access within a specified time period of the network.
  • the data transmission performed by the MTC terminal and the network side does not require high real-time performance, that is, it has time tolerance; the MTC terminal has limited energy and requires extremely low power consumption; only small data amount information is transmitted between the MTC terminal and the network side. Transmission; the MTC terminal can be managed in units of groups; an actual MTC terminal can have one or more of the above characteristics.
  • An MTC device may have some of the characteristics of various M2M communication characteristics, such as low mobility, small amount of transmitted data, insensitivity to communication delay, and extremely low power consumption.
  • the network can send a page to the UE in the idle state and the connected state.
  • the paging process may be triggered by the core network to notify a certain UE to receive a paging request, or triggered by the eNB, to notify the system information update, and notify the UE to receive an Earthquake and Tsunami Warning System (ETWS) or Information such as the Commercial Mobile Alert Service (CMAS).
  • EWS Earthquake and Tsunami Warning System
  • CMAS Commercial Mobile Alert Service
  • the paging message is mainly used to inform the terminal system of the update of the message.
  • the current LTE protocol stipulates that the paging message is scheduled by the Physical Downlink Control Channel (PDCCH) scrambled by the Radio Network Temporary Identifier (P-RNTI), and is in the physical downlink shared channel (Physical Downlink Shared).
  • P-RNTI Radio Network Temporary Identifier
  • PDSCH Physical Downlink shared channel
  • a paging message can page up to 16 users, and the paging message contains the terminal paging identifier of each paged user.
  • paging messages can be configured to transmit different paging messages in 1 or 2 or 4 subframes in each radio frame, as shown in Table 2a and Table 2b.
  • the paging reception of the UE follows the discontinuous reception (Discontinuous Reception (DRX) principle of discontinuous reception.
  • DRX discontinuous Reception
  • each cell broadcasts a default DRX paging cycle of the cell to all UEs in the cell in the system information.
  • Each UE can also set the UE according to its own power and paging system messages.
  • the predetermined DRX cycle is to send the UE-specific DRX cycle to the MME through a Non-Access Stratum (NAS) message Attach Request or TAU Request.
  • NAS Non-Access Stratum
  • the MME delivers the specific DRX information of the paged UE to the eNB through a paging message of the S1 Application Protocol (S1AP).
  • S1AP S1 Application Protocol
  • the eNB has both the specific DRX information used by each UE received from the MME and the default DRX paging cycle of the system information broadcast.
  • the UE receives the default DRX paging cycle broadcasted in the system information, and may also configure its own specific DRX.
  • the paging cycle configuration of the eNB and the UE can always be matched.
  • the eNB sends a paging message to the UE in the air interface according to the paging cycle and the paging time, and the UE can receive the corresponding correct paging moment.
  • the UE and the network side calculate the UE identity (UE ID) through the UE's own International Mobile Subscriber Identity (IMSI), and use the same paging cycle T to calculate the paging time (system frame number) at which the UE is located.
  • IMSI International Mobile Subscriber Identity
  • system frame number System Frame Number, SFN + subframe position i_s
  • the location of the radio frame in which the paging message is located is:
  • the subframe in which the paging message is located is determined according to the i-s and table 2 calculated by the following formula.
  • div means divide operation
  • mod means remainder operation
  • floor is rounding down
  • nB 4T, 2T, T, T/2, T/4, T/8, T/16, T/32, configuring one nB for each paging message;
  • UE_ID IMSI mod 1024.
  • the UE During each paging cycle, the UE only listens to the paging information in a subframe position determined based on the foregoing rule, receives the public notification information therein, and searches for whether it includes its own Paging UE ID, which may be international. International Mobile Subscriber Identity (IMSI) or System Architecture Evolution Temporary Mobile Station Identifier (S-TMSI).
  • IMSI International Mobile Subscriber Identity
  • S-TMSI System Architecture Evolution Temporary Mobile Station Identifier
  • a more feasible method is to use repeated transmission techniques such as LTE system existing channels, for example, dozens to hundreds of repetitions can achieve 15dB coverage enhancement.
  • the UE monitors the paging information only in the corresponding one subframe position in each paging cycle, and there is no repeated transmission mechanism of the paging message, so the terminal that needs coverage enhancement cannot be used. Paging messages transmitted based on existing mechanisms are correctly received.
  • the embodiment of the present invention provides a method and an apparatus for transmitting the enhanced enhanced paging message.
  • the embodiment of the invention provides a paging message transmission method, including:
  • the paging message is transmitted at each determined subframe position by the repeated physical downlink shared channel PDSCH.
  • the calculation formula of the initial reference radio frame is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • nB_CE is the starting reference radio frame time difference configuration parameter, nB_CE To be a value in the set T/2 m , m is an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • N min(T, nB)
  • nB is a set. a value in [4T, 2T, T, T/2, T/4, T/8, T/16, T/32], where X is the initial reference radio frame time difference configuration parameter;
  • the determined initial reference radio frame time difference configuration parameter corresponds to a starting reference radio frame time difference D is equal to Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted including: Selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, and selecting n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting, according to a predefined rule, the determined starting reference radio frame and the following D-1 radio frames Occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the method further comprises:
  • the subframe information selected on each occupied radio frame is notified to the UE.
  • the n subframes that are occupied are selected on each occupied radio frame, which specifically includes:
  • the method further comprises:
  • the total number of repeated transmissions M of the determined paging message in each paging cycle T is notified to the UE through higher layer signaling.
  • the sending by using the repeated PDSCH, the paging message on each determined subframe position, specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the method further comprises:
  • the sending the paging message on each determined subframe position includes:
  • the same or different radio network temporary identifier P-RNTI is used to scramble the paging message and then transmit.
  • the invention also provides a paging message transmission method, comprising:
  • the paging message is transmitted at each determined subframe position by the repeated physical downlink shared channel PDSCH.
  • the present invention also provides a method for a UE to receive a paging message, including:
  • the paging message is received at each determined subframe position by the repeated physical downlink shared channel PDSCH.
  • the calculation formula of the initial reference radio frame is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the UE's international mobile subscription identifier IMSI
  • nB_CE is the starting reference radio frame time difference configuration parameter
  • nB_CE is the set T/2 m . a value of m, an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame is specifically:
  • the SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the received initial reference radio frame time difference configuration parameter is equal to Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, respectively Selecting n different subframes on the radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting, according to a predefined rule, the determined starting reference radio frame and the following D-1 radio frames Occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • n different subframes are selected as the subframe in which the paging message is repeatedly transmitted on each occupied radio frame, and specifically includes:
  • n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the n subframes that are occupied are selected on each occupied radio frame, which specifically includes:
  • the total number of repeated transmissions M of the paging message in the paging period T is determined according to the high layer signaling notification on the network side.
  • the paging message is received at each determined subframe position by using a repeated PDSCH, and specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the method further comprises:
  • the scheduling information of the repeated PDSCH is determined by the repeated physical downlink control channel PDCCH, and the last subframe in which the repeated PDCCH is located is the kth subframe before the start subframe where the repeated PDSCH is located, where k is Set a positive integer;
  • the paging message is received at each determined subframe position by the repeated PDSCH according to the scheduling information of the PDSCH.
  • receiving the paging message on each determined subframe position includes:
  • the paging message is descrambled with the same or different radio network temporary identity P-RNTI at each determined subframe location.
  • the present invention also provides a method for transmitting a paging message received by a UE, including:
  • a paging message is received at each determined subframe position by the repeated physical downlink shared channel PDSCH.
  • the invention also provides a paging message transmission device, comprising:
  • a number determining unit configured to determine a total number of repeated transmissions M of the paging message in the paging period T, and a number n of repeated transmissions on each wireless frame;
  • a determining and notifying unit configured to determine a starting reference radio frame time difference configuration parameter in the initial reference radio frame calculation formula, and notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, the determined initial reference radio frame
  • the time difference D of the initial reference radio frame corresponding to the time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • an initial radio frame determining unit configured to determine a starting reference radio frame of the paging message according to the determined initial reference radio frame time difference configuration parameter
  • An occupied subframe determining unit configured to determine, according to the determined initial reference radio frame, M and n, a subframe in which the paging message is repeatedly transmitted;
  • a repeating transmission unit configured to send the paging message at each determined subframe position by using a repeated physical downlink shared channel PDSCH.
  • the calculation formula of the initial reference radio frame used by the determining and notifying unit is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • nB_CE is the starting reference radio frame time difference configuration parameter, nB_CE To be a value in the set T/2 m , m is an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the determining and notifying unit is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • N min(T, nB)
  • nB is a set. a value in [4T, 2T, T, T/2, T/4, T/8, T/16, T/32], where X is the initial reference radio frame time difference configuration parameter;
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the determining and notifying unit is equal to Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, respectively Selecting n different subframes on the radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting, according to a predefined rule, the determined starting reference radio frame and the following D-1 radio frames Occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the occupied subframe determining unit is further configured to:
  • the subframe information selected on each occupied radio frame is notified to the UE.
  • the occupied subframe determining unit selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the method further comprises:
  • the number notification unit is configured to notify the UE by high layer signaling by using the total number of repeated transmissions M of the determined paging message in each paging period T.
  • the repeating transmission unit sends the paging message in each determined subframe position by using a repeated PDSCH, which specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the method further comprises:
  • a repeating scheduling unit configured to use the repeated physical downlink control channel PDCCH, to schedule the repeated PDSCH, where the last subframe in which the repeated PDCCH is located is the kth child before the starting subframe where the repeated PDSCH is located Frame, k is a positive integer.
  • the repeating transmission unit sends the paging message on each determined subframe position, which specifically includes:
  • the same or different radio network temporary identifier P-RNTI is used to scramble the said Send after paging message.
  • the invention also provides a paging message transmission device, comprising:
  • a number determining unit configured to determine a total number of repeated transmissions M of the paging message in the paging period T, and a number n of repeated transmissions on each wireless frame;
  • a determining and notifying unit configured to determine a starting reference radio frame time difference configuration parameter in the initial reference radio frame calculation formula, and notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, the determined initial reference radio frame
  • the time difference D of the initial reference radio frame corresponding to the time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • a first initial radio frame determining unit configured to determine a starting reference radio frame of a physical downlink control channel PDCCH that schedules a paging message according to the determined initial reference radio frame time difference configuration parameter
  • the first occupied subframe determining unit determines, according to the determined PDCCH start reference radio frame, M and n of the scheduled paging message, the subframe in which the PDCCH scheduling the paging message is located;
  • a second start radio frame determining unit configured to determine a radio frame where the kth subframe after the last subframe in which the PDCCH of the paging message is located, is a starting reference radio subframe of the paging message, where k is set Positive integer
  • a second occupied subframe determining unit configured to determine, according to the determined reference radio frame, M and n of the determined paging message, a subframe in which the paging message is repeatedly transmitted;
  • a repeating transmission unit configured to transmit the paging message at each determined subframe position by using a repeated physical downlink shared channel PDSCH.
  • the present invention also provides a user equipment UE, including:
  • a number determining unit configured to determine a total number of repeated transmissions M of the paging message in the paging period T, and a number n of repeated transmissions on each wireless frame;
  • a notification receiving unit configured to receive a start reference radio frame time difference configuration parameter in a start reference radio frame calculation formula sent by the network side, and a start reference radio frame time difference D corresponding to the received start reference radio frame time difference configuration parameter ,not less than Radio frames;
  • the initial radio frame determining unit determines a starting reference radio frame of the paging message according to the received initial reference radio frame time difference configuration parameter
  • the occupied subframe determining unit determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted;
  • the repeating receiving unit receives the paging message at each determined subframe position through the repeated physical downlink shared channel PDSCH.
  • the calculation formula of the initial reference radio frame used by the initiating radio frame determining unit is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the UE's international mobile subscription identifier IMSI
  • nB_CE is the starting reference radio frame time difference configuration parameter
  • nB_CE is the set T/2 m . a value of m, an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the initiating radio frame determining unit is specifically:
  • the SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter received by the notification receiving unit is equal to Radio frames;
  • the occupied subframe determining unit determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted, and specifically includes: selecting to occupy the determined initial reference radio frame and subsequent D-1 radio frames Selecting n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames;
  • the occupied subframe determining unit determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted, and specifically includes: according to a predefined rule, from the determined initial reference radio frame and after D-1 In the wireless frame, select to occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the occupied subframe determining unit selects n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted, and specifically includes:
  • n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the occupied subframe determining unit selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the occupied subframe determining unit determines, based on the relationship between the different parameters i_s specified by the LTE protocol and the subframe corresponding to the paging message, that the paging message is selected to be occupied on each occupied wireless frame.
  • the number determining unit is specifically configured to determine the total number of repeated transmissions M of the paging message in the paging period T according to the high layer signaling notification on the network side.
  • the receiving unit receives the paging message at each determined subframe position by using a repeated PDSCH, and specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the method further comprises:
  • a scheduling determining unit configured to determine scheduling information of the repeated PDSCH by using the repeated physical downlink control channel PDCCH, where the last subframe where the repeated PDCCH is located is before the starting subframe where the repeated PDSCH is located k subframes, k is a positive integer;
  • the repetition receiving unit is specifically configured to receive the paging message at each determined subframe position by using a repeated PDSCH according to scheduling information of the PDSCH.
  • the repeatedly receiving unit receives the paging message in each determined subframe position, and specifically includes:
  • the paging message is descrambled with the same or different radio network temporary identity P-RNTI at each determined subframe location.
  • the present invention also provides a user equipment UE, including:
  • a number determining unit configured to determine a total number of repeated transmissions M of the paging message in the paging period T, and a number n of repeated transmissions on each wireless frame;
  • a notification receiving unit configured to receive a start reference radio frame time difference configuration parameter in a start reference radio frame calculation formula sent by the network side, and a start reference radio frame time difference D corresponding to the received start reference radio frame time difference configuration parameter ,not less than Wireless frames, where Indicates rounding up;
  • a first initial radio frame determining unit configured to determine, according to the received initial reference radio frame time difference configuration parameter, a starting reference radio frame of a physical downlink control channel PDCCH that schedules a paging message;
  • a first occupied subframe determining unit configured to start a reference radio frame according to the PDCCH of the determined scheduling paging message, M and n, determining a subframe in which the PDCCH for scheduling the paging message is located;
  • a second initial radio frame determining unit determines a radio frame in which the kth subframe after the last subframe in which the PDCCH of the paging message is located, is a starting reference radio subframe of the paging message, and k is a positive setting Integer
  • the second occupied subframe determining unit determines, according to the determined reference radio frame, M and n of the determined paging message, the subframe in which the paging message is repeatedly transmitted;
  • a repeating receiving unit configured to receive, by using the repeated physical downlink shared channel PDSCH, a paging message at each determined subframe position.
  • the problem of repeated transmission of the coverage enhanced paging message can be solved.
  • the paging message is transmitted by using the method, different two adjacent paging messages do not overlap in transmission time, and the system scheduling problem can be simplified.
  • the invention also provides a paging message transmission device, comprising:
  • a processor for reading a program in the memory performing the following process:
  • the configuration parameter is used to notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • a transceiver for receiving and transmitting data under the control of a processor.
  • the calculation formula of the initial reference radio frame used by the processor is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • nB_CE is the starting reference radio frame time difference configuration parameter, nB_CE To be a value in the set T/2 m , m is an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the processor is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • N min(T, nB)
  • nB is a set. a value in [4T, 2T, T, T/2, T/4, T/8, T/16, T/32], where X is the initial reference radio frame time difference configuration parameter;
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the processor is equal to Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, respectively Selecting n different subframes on the radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the processor is greater than Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting, according to a predefined rule, the determined starting reference radio frame and the following D-1 radio frames Occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the processor is further configured to:
  • the subframe information selected on each occupied radio frame is notified to the UE.
  • the processor selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the processor is further configured to:
  • the total number of repeated transmissions M of the determined paging message in each paging cycle T is notified to the UE through higher layer signaling.
  • the processor sends the paging message in each determined subframe position by using a repeated PDSCH by the transceiver, which specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the processor is further configured to:
  • the repeated PDSCH is scheduled by the transceiver using a repeated physical downlink control channel PDCCH, where the last subframe in which the repeated PDCCH is located is the kth subframe before the start subframe where the repeated PDSCH is located, k To set a positive integer.
  • the sending, by the transceiver, the paging message by using the transceiver at each determined subframe position specifically:
  • the same or different radio network temporary identifier P-RNTI is used to scramble the paging message and then transmit.
  • the invention also provides a paging message transmission device, comprising:
  • a processor that reads a program in memory and performs the following procedures:
  • the configuration parameter is used to notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • a transceiver for receiving and transmitting data under the control of a processor.
  • the present invention also provides a user equipment UE, including:
  • a processor that reads a program in memory and performs the following process:
  • the initial reference radio frame time difference D corresponding to the received initial reference radio frame time difference configuration parameter is not less than Radio frames;
  • a transceiver for receiving and transmitting data under the control of a processor.
  • the calculation formula of the initial reference radio frame used by the processor is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the UE's international mobile subscription identifier IMSI
  • nB_CE is the starting reference radio frame time difference configuration parameter
  • nB_CE is the set T/2 m . a value of m, an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the processor is specifically:
  • the SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter received by the transceiver by the transceiver is equal to Radio frames;
  • Determining, by the processor, the subframe in which the paging message is repeatedly transmitted according to the determined initial reference radio frame, M and n specifically: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, Selecting n different subframes on each occupied radio frame as a subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the transceiver by the transceiver is greater than Radio frames;
  • Determining, by the processor, the subframe in which the paging message is repeatedly transmitted according to the determined initial reference radio frame, M and n specifically: according to a predefined rule, from the determined initial reference radio frame and then D-1 wireless In the frame, select to occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the processor selects n different subframes on each occupied radio frame as a subframe in which the paging message is repeatedly transmitted, and specifically includes:
  • n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the processor selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the processor determines, according to the relationship between different parameters i_s specified by the LTE protocol and the subframe corresponding to the paging message, that the paging message selects the occupied subframe on each occupied radio frame.
  • the processor is specifically configured to determine, according to the high layer signaling notification on the network side, the total number of repeated transmissions M of the paging message in the paging period T;
  • the processor receives the paging message in each determined subframe position by using a repeated PDSCH by the transceiver, and specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the processor is further configured to:
  • the processor is specifically configured to receive, by using a transceiver, the paging message at each determined subframe position by using a repeated PDSCH according to scheduling information of the PDSCH.
  • the receiving, by the processor, the paging message in each determined subframe position specifically:
  • the paging message is descrambled by the transceiver at each determined subframe location using the same or different radio network temporary identity P-RNTI.
  • the present invention also provides a user equipment UE, including:
  • a processor that reads a program in memory and performs the following process:
  • the radio frame time difference configuration parameter, the received reference radio frame time difference configuration parameter corresponding to the initial reference radio frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • a transceiver for receiving and transmitting data under the control of a processor.
  • FIG. 1 is a schematic diagram of a DRX correspondence relationship between a UE and an eNB;
  • FIG. 2 is a flowchart of a paging message transmission method according to Embodiment 1 of the present invention.
  • FIG. 3 is a flowchart of a method for a UE to receive a paging message according to Embodiment 1 of the present invention
  • FIG. 4 is a flowchart of a paging message transmission method according to Embodiment 2 of the present invention.
  • FIG. 5 is a flowchart of a method for a UE to receive a paging message according to Embodiment 2 of the present invention
  • FIG. 6 is a first schematic diagram of a paging message transmission apparatus according to Embodiment 3 of the present invention.
  • FIG. 7 is a second schematic diagram of a paging message transmission apparatus according to Embodiment 4 of the present invention.
  • FIG. 8 is a first schematic diagram of a UE according to Embodiment 5 of the present invention.
  • FIG. 9 is a schematic diagram of a UE 2 according to Embodiment 6 of the present invention.
  • FIG. 10 is a third schematic diagram of a paging message transmission apparatus according to Embodiment 3 of the present invention.
  • FIG. 11 is a schematic diagram of a fourth paging message transmission apparatus according to Embodiment 4 of the present invention.
  • FIG. 12 is a third schematic diagram of a UE according to Embodiment 5 of the present invention.
  • FIG. 13 is a fourth schematic diagram of a UE according to Embodiment 6 of the present invention.
  • GSM Global System of Mobile communication
  • CDMA Code Division Multiple Access
  • WCDMA Wideband Code Division Multiple Access
  • GPRS General Packet Radio Service
  • LTE Long Term Evolution
  • LTE-A Advanced Long Term Evolution
  • UMTS Universal Mobile Telecommunication System
  • user equipment includes but is not limited to a mobile station (MS, Mobile Station), a mobile terminal (Mobile Terminal), a mobile phone (Mobile Telephone), a mobile phone (handset).
  • the user equipment can communicate with one or more core networks via a Radio Access Network (RAN), for example, the user equipment can be a mobile phone (or "cellular"
  • RAN Radio Access Network
  • the user equipment can be a mobile phone (or "cellular"
  • the telephone device, the computer with wireless communication function, etc., the user equipment can also be a mobile device that is portable, pocket-sized, handheld, built-in, or in-vehicle.
  • a base station may refer to a device in an access network that communicates with a wireless terminal over one or more sectors over an air interface.
  • the base station can be used to convert the received air frame to the IP packet as a router between the wireless terminal and the rest of the access network, wherein the remainder of the access network can include an Internet Protocol (IP) network.
  • IP Internet Protocol
  • the base station can also coordinate attribute management of the air interface.
  • the base station may be a Base Transceiver Station (BTS) in GSM or CDMA, or may be a base station (NodeB) in WCDMA, or may be an evolved base station in LTE (NodeB or eNB or e-NodeB, evolutional Node B), the invention is not limited.
  • BTS Base Transceiver Station
  • NodeB base station
  • NodeB evolved base station
  • LTE Long Term Evolutional Node B
  • the first embodiment of the present invention provides a paging message transmission mechanism that supports repeated transmission of paging messages, which can implement coverage enhancement and solve the coverage problem of M2M transmission.
  • the paging message transmission method provided in Embodiment 1 of the present invention includes:
  • Step 201 determining the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • the number M of repeated transmissions of the paging message may be determined according to the coverage enhancement target, such as 15 dB.
  • the total number of repeated transmissions M of the paging message in the paging period T may be determined according to the manner agreed by the protocol; or the total number of repeated transmissions M of the paging message in the paging period T may be determined according to the paging requirement, and The total number of repeated transmissions M of the determined paging message in each paging cycle T is notified to the UE by higher layer signaling.
  • Step 202 Determine a start reference radio frame time difference configuration parameter in the initial reference radio frame calculation formula, and notify the UE of the determined initial reference radio frame time difference configuration parameter, where the determined initial reference radio frame time difference configuration parameter corresponds to Initial reference radio frame time difference D, not less than Radio frames;
  • the network side notifies the terminal of the determined initial reference radio frame time difference configuration parameter by using high layer signaling, and of course, other manners may also be adopted.
  • the calculation formula of the radio frame in which the paging message is located in the existing protocol may be used, or may be adjusted based on the calculation formula of the radio frame in which the paging message is located in the existing protocol.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter indicates how long after the start reference radio frame does not occur another start reference radio frame.
  • D is not less than Radio frames, that is, the start reference radio frame determined by initiating the reference radio frame time difference configuration parameter, so that D-1 radio frames after the start reference radio frame are not used as the starting reference for another paging message.
  • Wireless frame use In this way, the radio frames or subframes occupied by the repeated transmission of two adjacent different paging messages can be made to overlap each other.
  • Step 203 Determine a starting reference radio frame of the paging message according to the determined initial reference radio frame time difference configuration parameter.
  • the initial reference radio frame of the paging message is determined according to the initial reference radio frame calculation formula.
  • Step 204 Determine, according to the determined initial reference radio frame, M and n, a subframe in which the paging message is repeatedly transmitted.
  • the initial reference radio frame Since the initial reference radio frame is determined and the D-1 radio frames are not used as the starting reference radio frame of another paging message after the initial reference radio frame, the initial reference radio frame can be used. And in the following D-1 radio frames, according to the number n of repeated transmissions on each radio frame, the subframe in which the paging message is repeatedly transmitted is determined, so that the total number of repeated transmissions reaches M.
  • Step 205 Send the paging message at each determined subframe position by using a repeated physical downlink shared channel PDSCH.
  • the paging message transmission method provided by the embodiment of the present invention solves the problem of repeated transmission of the coverage enhanced paging message.
  • the D- after the reference radio frame starts from the beginning of the paging message.
  • N radio frames are not used as the starting reference radio frame of another paging message, so two different adjacent paging messages do not overlap in transmission time, which can simplify the system scheduling problem.
  • the first embodiment of the present invention provides a method for a UE to receive a paging message, including:
  • Step 301 determining the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • the total number of repeated transmissions M of the paging message in the paging period T may be determined according to the manner agreed by the protocol or according to the notification on the network side.
  • Step 302 Receive a start reference radio frame time difference configuration parameter in a start reference radio frame calculation formula sent by the network side, where the initial reference radio frame time difference configuration parameter corresponding to the received start reference radio frame time difference configuration parameter is not less than Radio frames;
  • Step 303 Determine a starting reference radio frame of the paging message according to the received initial reference radio frame time difference configuration parameter.
  • Step 304 Determine, according to the determined initial reference radio frame, M and n, a subframe in which the paging message is repeatedly transmitted.
  • Step 305 Receive a paging message at each determined subframe position by using a repeated physical downlink shared channel PDSCH.
  • the paging message transmission method provided by the first embodiment of the present invention solves the problem of repeated transmission of the coverage enhanced paging message.
  • the D- after the reference radio frame starts from the beginning of the paging message.
  • Neither radio frame is used as the starting reference radio frame for another paging message, so different two adjacent paging messages do not overlap in transmission time.
  • the calculation formula of the radio frame in which the paging message is located in the existing protocol may be used, or may be adjusted based on the calculation formula of the radio frame in which the paging message is located in the existing protocol.
  • a specific implementation of how to determine the initial reference radio frame time difference configuration parameter is given below.
  • Both the network side and the terminal use the calculation formula of the radio frame in which the paging message is calculated in the existing protocol.
  • SFN is the system frame number of the starting reference radio frame
  • T is the paging message period
  • the UE_ID is determined according to the international mobile subscription identifier IMSI of the UE that is paged by the paging message, and according to the existing protocol, the UE_ID is the IMSI mod 1024;
  • nB_CE is a starting reference radio frame time difference configuration parameter
  • nB_CE is a value in the set T/2 m , and m is an integer not less than 0, that is, nB_CE is selected from T, T/2, T/4, T/8, T/16, T/32... a value
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • M ⁇ n*(T/nB_CE), so that D-1 radio frames after the start reference radio frame PF_ref are not used as the starting reference radio frame of another paging message. Therefore, the radio frame can be selected to complete the transmission of the paging message in the radio frame PF_ref and thereafter (T/nB_CE)-1 radio frames.
  • the calculation formula for calculating the radio frame PF_ref is obtained.
  • the calculation formula of the initial reference radio frame PF_ref adopted by the network side and the terminal is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • N min(T, nB)
  • nB is a set.
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the network side and the terminal determine the specific implementation manner of the subframe in which the paging message is transmitted:
  • N different subframes are selected on each occupied radio frame as the subframe in which the paging message is transmitted.
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames, M ⁇ n*(T/nB_CE) or M ⁇ n*X.
  • the radio frames that can be used for the paging message transmission are more than the radio frames required to implement the M transmissions, and therefore occupy some of the available radio frames.
  • the predetermined reference radio frames can be determined according to predefined rules. After D-1 radio frames, choose to occupy them. Radio frames. Specifically, it can be Wireless frames or after Radio frames or any selected Radio frames. The same predefined rules should be used on the network side and the terminal side. That is, which radio frames are occupied may be predefined or determined by a predefined pattern pattern.
  • N different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the network side and the terminal may determine n subframes for paging message transmission on each radio frame as follows:
  • the network side selects n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted, and selects the subframe information selected on each occupied radio frame. Notify the UE.
  • the network notifies the terminal which subframes are specifically occupied by a terminal in one radio frame.
  • the subframe occupation mode determined by the network side, or the predetermined selection manner agreed by the network side and the terminal may be, but is not limited to, As follows:
  • i_s floor(UE_ID/N) mod Ns
  • the determined plurality of subframes may be a plurality of subframes occupied by a PDSCH channel carrying a paging message.
  • the paging message is sent by using the PDSCH in each determined subframe position, which specifically includes:
  • the PDSCH transmission adopts a predefined transmission mode, that is, adopts a predefined physical resource block PRB, a transmission block size TBS, a modulation mode, or selects a plurality of predefined transmission modes.
  • a predefined transmission mode that is, adopts a predefined physical resource block PRB, a transmission block size TBS, a modulation mode, or selects a plurality of predefined transmission modes.
  • One of them is to select one of a plurality of sets of transmission modes consisting of a plurality of predefined PRBs, TBSs, and modulation modes.
  • the repeatedly transmitted PDSCH channel may not be scheduled using PDCCH.
  • the repeatedly transmitted PDSCH channel may adopt PDCCH scheduling, and the radio frame and the subframe position of the PDCCH channel may be determined according to a timing relationship between the PDCCH and the PDSCH: adopting a physical downlink control channel PDCCH, The repeated PDSCH is scheduled, and the last subframe in which the PDCCH is located is the kth subframe before the start subframe where the PDSCH is located, and k is a positive integer.
  • the receiving, by using the PDSCH, the paging message in each determined subframe position specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the scheduling information of the PDSCH determined by the physical downlink control channel PDCCH, the last subframe in which the PDCCH is located is the kth sub-frame before the start subframe where the PDSCH is located Frame, k is a positive integer;
  • the paging message is received at each determined subframe position by the PDSCH according to the scheduling information of the PDSCH.
  • sending the paging message on each determined subframe position includes:
  • the same or different radio network temporary identifier P-RNTI is used to scramble the paging message and then transmit.
  • the paging message is descrambled with the same or different radio network temporary identity P-RNTI at each determined subframe location.
  • the second embodiment of the present invention further provides a paging message transmission method, as shown in FIG. 4, including:
  • Step 401 determining the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • Step 402 Determine a start reference radio frame time difference configuration parameter in the initial reference radio frame calculation formula, notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and determine the initial reference radio frame time difference configuration parameter.
  • Corresponding initial reference radio frame time difference D not less than Radio frames;
  • Step 403 Determine, according to the determined initial reference radio frame time difference configuration parameter, a starting reference radio frame of a physical downlink control channel PDCCH that schedules a paging message.
  • Step 404 Determine, according to the determined PDCCH start reference radio frame, M and n of the scheduled paging message, a subframe in which the PDCCH scheduling the paging message is located;
  • Step 405 Determine a radio frame in which the kth subframe after the last subframe in which the PDCCH of the paging message is located is the initial reference radio subframe of the paging message, where k is a positive integer;
  • Step 406 Determine, according to the initial reference radio frame, M and n of the determined paging message, a subframe in which the paging message is transmitted;
  • Step 407 The paging message is transmitted at each determined subframe position by using a physical downlink shared channel PDSCH.
  • the second embodiment of the present invention further provides a method for transmitting a paging message received by a UE, as shown in FIG. 5, including:
  • Step 501 determining the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • Step 502 Receive a start reference radio frame time difference configuration parameter in a start reference radio frame calculation formula sent by the network side, where the initial reference radio frame time difference configuration parameter corresponding to the received start reference radio frame time difference configuration parameter is not less than Radio frames;
  • Step 503 Determine, according to the received initial reference radio frame time difference configuration parameter, a starting reference radio frame of a physical downlink control channel PDCCH that schedules a paging message.
  • Step 504 Determine, according to the determined PDCCH start reference radio frame, M and n of the scheduled paging message, a subframe in which the PDCCH scheduling the paging message is located;
  • Step 505 Determine a radio frame in which the kth subframe after the last subframe in which the PDCCH of the paging message is located is the initial reference radio subframe of the paging message, where k is a positive integer;
  • Step 506 Determine, according to the determined reference radio frame, M and n of the determined paging message, a subframe in which the paging message is transmitted;
  • Step 507 Receive a paging message at each determined subframe position by using a physical downlink shared channel PDSCH.
  • the multiple subframes determined based on the foregoing mechanism are repeated subframes for scheduling the control channel PDCCH channel of the PDSCH channel carrying the paging message.
  • the radio frame and the subframe position of the PDSCH channel carrying the paging message may be determined according to a timing relationship between the PDCCH and the PDSCH: the timing relationship may determine that the repeated PDCCH is transmitted before the PDSCH k subframes.
  • the manner of determining the subframe in which the PDCCH of the paging message is scheduled in this embodiment is determined in the same manner as the subframe in which the paging message is transmitted in the foregoing embodiment, and details are not described herein.
  • the embodiment determines the subframe in which the paging message is transmitted according to the initial reference radio frame, M and n of the determined paging message, as described in the foregoing embodiment. Detailed description is not repeated here.
  • the time difference between two adjacent paging subframes in one paging cycle in the existing paging mechanism is at least 1 subframe.
  • the paging time is directly transmitted by the terminal according to the paging time calculated by the existing mechanism as the starting point of the repeated transmission, the transmission of multiple paging messages at the adjacent paging moment will be in the same subframe.
  • Overlap which makes the scheduling of the system more complicated, and the system is not likely to configure so many PDCCHs in the same subframe to schedule the multiple paging messages to be transmitted in the same subframe; in addition, to distinguish multiple in the same subframe
  • the paging message may also require the system to configure multiple P-RNTIs.
  • the invention provides a transmission mechanism of a repeatedly transmitted paging message, the main idea of which is that the network determines the number of repeated transmissions of the coverage enhanced paging message; and determines the coverage enhanced paging message based on the repeated transmission times of the paging message network.
  • the initial reference radio frame time difference configuration parameter of the transmission determines a plurality of subframes in which the paging message is repeatedly transmitted based on the determined parameters and predefined rules.
  • the problem of repeated transmission of the coverage enhanced paging message can be solved, and the method for scheduling the paging message by the network is relatively simple, and since the two adjacent paging messages do not overlap in the transmission time,
  • the control channel PDCCH and data channel PDSCH for transmitting paging messages require only one P-RNTI scrambling.
  • an embodiment of the present invention further provides a paging message transmission apparatus. Since the principle of solving the problem is similar to a paging message transmission method, the implementation of the apparatus can be implemented by referring to the method. It will not be repeated here.
  • a third embodiment of the present invention provides a paging message transmission apparatus, as shown in FIG. 6, including:
  • the number determining unit 601 is configured to determine the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • the determining and notifying unit 602 is configured to determine a starting reference radio frame time difference configuration parameter in the initial reference radio frame calculation formula, and notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and determine the initial reference radio
  • the time difference D of the initial reference radio frame corresponding to the frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • the initial radio frame determining unit 603 is configured to determine a starting reference radio frame of the paging message according to the determined initial reference radio frame time difference configuration parameter;
  • the occupied subframe determining unit 604 is configured to determine, according to the determined initial reference radio frame, M and n, a subframe in which the paging message is repeatedly transmitted;
  • the repeating transmission unit 605 is configured to send the paging message at each determined subframe position by using a repeated physical downlink shared channel PDSCH.
  • the calculation formula of the initial reference radio frame used by the determining and notifying unit is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • nB_CE is the starting reference radio frame time difference configuration parameter, nB_CE To be a value in the set T/2 m , m is an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the determining and notifying unit is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • N min(T, nB)
  • nB is a set. a value in [4T, 2T, T, T/2, T/4, T/8, T/16, T/32], where X is the initial reference radio frame time difference configuration parameter;
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the determining and notifying unit is equal to Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, respectively Selecting n different subframes on the radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting, according to a predefined rule, the determined starting reference radio frame and the following D-1 radio frames Occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the occupied subframe determining unit is further configured to:
  • the same predetermined selection method is adopted with the UE, and n different subframes are selected on each occupied radio frame.
  • the subframe information selected on each occupied radio frame is notified to the UE.
  • the occupied subframe determining unit selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the device further comprises:
  • the number notification unit is configured to notify the UE by high layer signaling by using the total number of repeated transmissions M of the determined paging message in each paging period T.
  • the repeating transmission unit sends the paging message in each determined subframe position by using a repeated PDSCH, which specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the device further comprises:
  • a repeating scheduling unit configured to use the repeated physical downlink control channel PDCCH, to schedule the repeated PDSCH, where the last subframe in which the repeated PDCCH is located is the kth child before the starting subframe where the repeated PDSCH is located Frame, k is a positive integer.
  • the repeating transmission unit sends the paging message on each determined subframe position, which specifically includes:
  • the same or different radio network temporary identifier P-RNTI is used to scramble the paging message and then transmit.
  • Embodiment 3 of the present invention further provides a paging message transmission apparatus, including a processor and a data transceiver, wherein:
  • the processor is configured to: determine a total number of repeated transmissions M of a paging message in a paging period T, and a number n of repetitions of transmissions on each radio frame; determining a starting reference radio frame calculation formula And starting the reference radio frame time difference configuration parameter, and notifying the user equipment UE of the determined initial reference radio frame time difference configuration parameter, where the initial reference radio frame time difference configuration parameter corresponding to the initial reference radio frame time difference D is not less than Radio frames; determining a starting reference radio frame of the paging message according to the determined initial reference radio frame time difference configuration parameter; determining a subframe in which the paging message is repeatedly transmitted according to the determined initial reference radio frame, M and n Transmitting, by the repeated physical downlink shared channel PDSCH, the paging message at each determined subframe position;
  • the data transceiver is configured to send and receive data under the control of the processor to implement data communication between the processor and the UE.
  • the fourth embodiment of the present invention further provides a paging message transmission device, as shown in FIG. 7, comprising:
  • the number determining unit 701 is configured to determine the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • the determining and notifying unit 702 is configured to determine a starting reference radio frame time difference configuration parameter in the initial reference radio frame calculation formula, and notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and the determined initial reference radio
  • the time difference D of the initial reference radio frame corresponding to the frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • the first initial radio frame determining unit 703 is configured to determine, according to the determined initial reference radio frame time difference configuration parameter, a starting reference radio frame of a physical downlink control channel PDCCH that schedules a paging message;
  • the first occupied subframe determining unit 704 determines, according to the determined PDCCH start reference radio frame, M and n of the scheduled paging message, the subframe in which the PDCCH scheduling the paging message is located;
  • the second initial radio frame determining unit 705 is configured to determine a radio frame in which the kth subframe after the last subframe in which the PDCCH of the paging message is located is the starting reference radio subframe of the paging message, where k is Set a positive integer;
  • the second occupied subframe determining unit 706 is configured to determine, according to the determined reference radio frame, M and n of the determined paging message, the subframe in which the paging message is repeatedly transmitted;
  • the repeating transmission unit 707 is configured to transmit the paging message at each determined subframe position through the repeated physical downlink shared channel PDSCH.
  • Embodiment 4 of the present invention further provides a paging message transmission apparatus, including a processor and a data transceiver, wherein:
  • the processor is configured to: determine a total number of repeated transmissions M of a paging message in a paging period T, and a number n of repetitions of transmissions on each radio frame; determining a starting reference radio frame calculation formula And starting the reference radio frame time difference configuration parameter, and notifying the user equipment UE of the determined initial reference radio frame time difference configuration parameter, where the initial reference radio frame time difference configuration parameter corresponding to the initial reference radio frame time difference D is not less than Radio frame; determining a starting reference radio frame of a physical downlink control channel PDCCH for scheduling a paging message according to the determined initial reference radio frame time difference configuration parameter; and starting a reference radio frame according to the determined PDCCH starting paging message, M And n, determining a subframe in which the PDCCH for scheduling the paging message is located; determining a radio frame in which the k-th subframe after the last subframe in which the PDCCH for scheduling the paging message is located, is the initial reference radio subframe of the paging message
  • the data transceiver is configured to send and receive data under the control of the processor to implement data communication between the processor and the UE.
  • the fifth embodiment of the present invention further provides a device for the UE, as shown in FIG. 8, including:
  • the number determining unit 801 is configured to determine the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • the notification receiving unit 802 is configured to receive a start reference radio frame time difference configuration parameter in a start reference radio frame calculation formula sent by the network side, and a start reference radio frame time difference corresponding to the received start reference radio frame time difference configuration parameter.
  • D not less than Radio frames;
  • the initial radio frame determining unit 803 determines a starting reference radio frame of the paging message according to the received initial reference radio frame time difference configuration parameter
  • the occupied subframe determining unit 804 determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted;
  • the repeat receiving unit 805 receives the paging message at each determined subframe position through the repeated physical downlink shared channel PDSCH.
  • the calculation formula of the initial reference radio frame used by the initiating radio frame determining unit is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the UE's international mobile subscription identifier IMSI
  • nB_CE is the starting reference radio frame time difference configuration parameter
  • nB_CE is the set T/2 m . a value of m, an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the initiating radio frame determining unit is specifically:
  • the SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter received by the notification receiving unit is equal to Radio frames;
  • the occupied subframe determining unit determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted, and specifically includes: selecting to occupy the determined initial reference radio frame and subsequent D-1 radio frames Selecting n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is greater than Radio frames;
  • the occupied subframe determining unit determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted, and specifically includes: according to a predefined rule, from the determined initial reference radio frame and after D-1 In the wireless frame, select to occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the occupied subframe determining unit selects n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted, and specifically includes:
  • n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the occupied subframe determining unit selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the occupied subframe determining unit determines, based on the relationship between the different parameters i_s specified by the LTE protocol and the subframe corresponding to the paging message, that the paging message is selected to be occupied on each occupied wireless frame.
  • the number determining unit is specifically configured to determine the total number of repeated transmissions M of the paging message in the paging period T according to the high layer signaling notification on the network side.
  • the receiving unit receives the paging message at each determined subframe position by using a repeated PDSCH, and specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the UE further includes:
  • a scheduling determining unit configured to determine scheduling information of the repeated PDSCH by using the repeated physical downlink control channel PDCCH, where the last subframe where the repeated PDCCH is located is before the starting subframe where the repeated PDSCH is located k subframes, k is a positive integer;
  • the repetition receiving unit is specifically configured to receive the paging message at each determined subframe position by using a repeated PDSCH according to scheduling information of the PDSCH.
  • the repeatedly receiving unit receives the paging message in each determined subframe position, and specifically includes:
  • the paging message is descrambled with the same or different radio network temporary identity P-RNTI at each determined subframe location.
  • Embodiment 5 of the present invention further provides a device UE, including a processor and a data transceiver, where:
  • the processor is configured to: determine a total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame; and receive the initial reference radio frame transmitted by the network side Calculating the initial reference radio frame time difference configuration parameter in the formula, and the initial reference radio frame time difference D corresponding to the received initial reference radio frame time difference configuration parameter is not less than Radio frame; determining a starting reference radio frame of the paging message according to the received initial reference radio frame time difference configuration parameter; determining a subframe in which the paging message is repeatedly transmitted according to the determined initial reference radio frame, M and n Receiving, by the repeated PDSCH, the paging message at each determined subframe position;
  • the data transceiver is configured to send and receive data under the control of the processor to implement communication between the processor and the network side device.
  • the sixth embodiment of the present invention further provides a user equipment UE, as shown in FIG. 9, including:
  • the number determining unit 901 is configured to determine the total number of repeated transmissions M of the paging message in the paging period T, and the number n of repeated transmissions on each radio frame;
  • the notification receiving unit 902 is configured to receive a start reference radio frame time difference configuration parameter in a start reference radio frame calculation formula sent by the network side, and a start reference radio frame time difference corresponding to the received start reference radio frame time difference configuration parameter.
  • D not less than Radio frames;
  • the first initial radio frame determining unit 903 is configured to determine, according to the received initial reference radio frame time difference configuration parameter, a starting reference radio frame of a physical downlink control channel PDCCH that schedules a paging message;
  • the first occupied subframe determining unit 904 is configured to determine, according to the determined PDCCH start reference radio frame, M and n of the scheduled paging message, a subframe in which the PDCCH scheduling the paging message is located;
  • the second initial radio frame determining unit 905 determines that the radio frame in which the kth subframe after the last subframe in which the PDCCH of the paging message is located is the initial reference radio subframe of the paging message, where k is a setting. Positive integer
  • the second occupied subframe determining unit 906 determines, according to the determined reference radio frame, M and n of the determined paging message, the subframe in which the paging message is repeatedly transmitted;
  • the repetition receiving unit 907 is configured to receive a paging message at each determined subframe position by using the repeated physical downlink shared channel PDSCH.
  • the sixth embodiment of the present invention further provides a user equipment UE, including a processor and a data transceiver, where:
  • the processor is configured to determine a total number of repeated transmissions M of the paging message in the paging period T, and a number n of repeated transmissions on each radio frame; and a starting reference radio frame transmitted by the receiving network side Calculating the initial reference radio frame time difference configuration parameter in the formula, and the initial reference radio frame time difference D corresponding to the received initial reference radio frame time difference configuration parameter is not less than Radio frame; determining a starting reference radio frame of a physical downlink control channel PDCCH for scheduling a paging message according to the received initial reference radio frame time difference configuration parameter; and starting a reference radio frame according to the determined PDCCH starting paging message, M And n, determining a subframe in which the PDCCH for scheduling the paging message is located; determining a radio frame in which the k-th subframe after the last subframe in which the PDCCH for scheduling the paging message is located, is the initial reference radio subframe of the paging message , k is a positive integer; determining a subframe in
  • the data transceiver is configured to send and receive data under the control of the processor to implement communication between the processor and the network side device.
  • the network side device in the foregoing embodiment is an eNB.
  • the present invention further provides a paging message transmission apparatus, as shown in FIG. 10, comprising:
  • the processor 100 is configured to read a program in the memory and perform the following process:
  • the time difference configuration parameter is used to notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • the transceiver 101 sends a paging message at each determined subframe position through the repeated physical downlink shared channel PDSCH;
  • the transceiver 101 is configured to receive and transmit data under the control of the processor 100.
  • the calculation formula of the initial reference radio frame used by the processor 100 is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • nB_CE is the starting reference radio frame time difference configuration parameter, nB_CE To be a value in the set T/2 m , m is an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the processor 100 is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the international mobile subscription identifier IMSI of the UE paged by the paging message
  • N min(T, nB)
  • nB is a set. a value in [4T, 2T, T, T/2, T/4, T/8, T/16, T/32], where X is the initial reference radio frame time difference configuration parameter;
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the processor 100 is equal to Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, respectively Selecting n different subframes on the radio frame as the subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the processor 100 is greater than Radio frames;
  • Determining, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted specifically: selecting, according to a predefined rule, the determined starting reference radio frame and the following D-1 radio frames Occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the processor 100 is further configured to:
  • the subframe information selected on each occupied radio frame is notified to the UE.
  • the processor 100 selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the processor 100 is further configured to:
  • the total number of repeated transmissions M of the determined paging message in each paging cycle T is notified to the UE through higher layer signaling.
  • the processor 100 sends a paging message in each determined subframe position by using the repeated PDSCH by the transceiver 101, which specifically includes:
  • the PDSCH transmission adopts a predefined physical resource block PRB and a transport block size.
  • TBS modulation mode
  • the processor 100 is further configured to:
  • the transceivers 101 use the repeated physical downlink control channel PDCCH to schedule the repeated PDSCH, and the last subframe in which the repeated PDCCH is located is the kth subframe before the start subframe in which the repeated PDSCH is located, and k is set. A positive integer.
  • the processor 100 sends a paging message by using the transceiver 101 at each determined subframe position, which specifically includes:
  • the same or different radio network temporary identification P-RNTI scrambled paging message is used and transmitted.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 100 and various circuits of memory represented by the memory.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • the transceiver 101 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 100 is responsible for managing the bus architecture and the usual processing, and the memory can store data used by the processor 500 when performing operations.
  • the present invention also provides a paging message transmission apparatus, as shown in FIG. 11, comprising:
  • the processor 110 is configured to read a program in the memory and perform the following processes:
  • the time difference configuration parameter is used to notify the user equipment UE of the determined initial reference radio frame time difference configuration parameter, and the initial reference radio frame time difference D corresponding to the determined initial reference radio frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • the transceiver 111 is configured to receive and transmit data under the control of the processor 110.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 110 and various circuits of memory represented by the memory. Bus architecture can also The linking of various other circuits, such as peripherals, voltage regulators, and power management circuits, is well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 111 can be a plurality of components, including a transmitter and a transceiver, providing means for communicating with various other devices on a transmission medium.
  • the processor 110 is responsible for managing the bus architecture and general processing, and the memory can store data used by the processor 500 in performing operations.
  • the present invention further provides a user equipment UE, as shown in FIG. 12, comprising:
  • the processor 120 is configured to read a program in the memory and perform the following process:
  • the received reference radio frame time difference configuration parameter corresponding to the initial reference radio frame time difference configuration parameter is not less than Radio frames;
  • the transceiver 121 receives the paging message at each determined subframe position through the repeated physical downlink shared channel PDSCH;
  • the transceiver 121 is configured to receive and transmit data under the control of the processor 120.
  • the calculation formula of the initial reference radio frame used by the processor 120 is specifically:
  • SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • UE_ID is determined according to the UE's international mobile subscription identifier IMSI
  • nB_CE is the starting reference radio frame time difference configuration parameter
  • nB_CE is the set T/2 m . a value of m, an integer not less than 0;
  • the initial reference radio frame time difference D corresponding to nB_CE is T/nB_CE radio frames.
  • the calculation formula of the initial reference radio frame used by the processor 120 is specifically:
  • the SFN is the system frame number of the initial reference radio frame
  • T is the paging message period
  • the initial reference radio frame time difference D corresponding to X is X radio frames.
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter received by the processor 120 by the transceiver 121 is equal to Radio frames;
  • the processor 120 determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted, and specifically includes: selecting to occupy the determined initial reference radio frame and the following D-1 radio frames, where Selecting n different subframes for each occupied radio frame as a subframe in which the paging message is repeatedly transmitted;
  • the initial reference radio frame time difference D corresponding to the initial reference radio frame time difference configuration parameter determined by the processor 121 by the transceiver 121 is greater than Radio frames;
  • the processor 120 determines, according to the determined initial reference radio frame, M and n, the subframe in which the paging message is repeatedly transmitted, including: according to a predefined rule, from the determined initial reference radio frame and then D-1 radio frames Medium, choose to occupy For each radio frame, n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the processor 120 selects n different subframes on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted, and specifically includes:
  • n different subframes are selected on each occupied radio frame as the subframe in which the paging message is repeatedly transmitted.
  • the processor 120 selects the occupied n subframes on each occupied radio frame, and specifically includes:
  • the processor 120 is specifically configured to determine, according to the high layer signaling notification on the network side, the total number of repeated transmissions M of the paging message in the paging period T;
  • the processor 120 receives the paging message in each determined subframe position by using the repeated PDSCH by the transceiver 121, which specifically includes:
  • the PDSCH transmission adopts one of a predefined physical resource block PRB, a transport block size TBS, a modulation scheme, or a set of transmission modes formed by selecting a plurality of predefined PRBs, TBSs, and modulation modes. .
  • the processor 120 is further configured to:
  • the scheduling information of the repeated PDSCH determined by the transceiver 121 through the repeated physical downlink control channel PDCCH, and the last subframe in which the repeated PDCCH is located is the kth subframe before the start subframe in which the repeated PDSCH is located.
  • k is a positive integer
  • the processor 120 is specifically configured to pass the repeated PDSCH according to the scheduling information of the PDSCH by using the transceiver 121.
  • a paging message is received at each determined subframe position.
  • the processor 120 receives the paging message in each determined subframe position, and specifically includes:
  • the P-RNTI descrambled paging message is temporarily identified by the transceiver 121 at each of the determined subframe locations using the same or different wireless networks.
  • the bus architecture can include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 120 and various circuits of memory represented by the memory.
  • the bus architecture can also link various other circuits such as peripherals, voltage regulators, and power management circuits, which are well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 121 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 120 is responsible for managing the bus architecture and the usual processing, and the memory can store data used by the processor 120 when performing operations.
  • the present invention further provides a user equipment UE, as shown in FIG. 13, comprising:
  • the processor 130 is configured to read a program in the memory and perform the following process:
  • the initial reference radio frame time difference D corresponding to the received initial reference radio frame time difference configuration parameter is not less than Wireless frames, where Indicates rounding up;
  • the transceiver 131 is configured to receive and transmit data under the control of the processor 130.
  • the problem of repeated transmission of the coverage enhanced paging message can be solved.
  • the paging message is transmitted by using the method, different two adjacent paging messages do not overlap in transmission time, and the system scheduling problem can be simplified.
  • the bus architecture may include any number of interconnected buses and bridges, specifically linked by one or more processors represented by processor 130 and various circuits of memory represented by the memory.
  • the bus architecture also links various other circuits such as peripherals, voltage regulators, and power management circuits. It is well known in the art and, therefore, will not be further described herein.
  • the bus interface provides an interface.
  • Transceiver 131 can be a plurality of components, including a transmitter and a receiver, providing means for communicating with various other devices on a transmission medium.
  • the user interface may also be an interface capable of externally connecting the required devices, including but not limited to a keypad, a display, a speaker, a microphone, a joystick, and the like.
  • the processor 130 is responsible for managing the bus architecture and the usual processing, and the memory can store data used by the processor 130 when performing operations.
  • 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 un procédé et un appareil d'envoi de message de recherche de mobile. Le procédé consiste : à déterminer un nombre total de transmissions répétées M d'un message de recherche de mobile dans un cycle de recherche de mobile T et un nombre de transmissions répétées n sur chaque trame radio; à déterminer un paramètre de configuration de différence temporelle de trame radio de référence de départ dans une formule de calcul de trame radio de référence de départ et à notifier à un UE le paramètre de configuration de différence temporelle de trame radio de référence de départ déterminé, une différence temporelle de trame radio de référence de départ D correspondant au paramètre de configuration de différence temporelle de trame radio de référence de départ n'étant pas inférieure à ┌M/n┐ trames radio; à déterminer une trame radio de référence de départ du message de recherche de mobile sur la base du paramètre de configuration de différence temporelle de trame radio de référence de départ déterminé; à déterminer une sous-trame dans laquelle une transmission de message de recherche de mobile est placée sur la base de la trame radio de référence de départ déterminée, de M et de n; à envoyer le message de recherche de mobile sur chaque position de sous-trame déterminée dans des canaux partagés de liaison descendante physique (PDSCH) répétés. La présente invention peut résoudre un problème d'amélioration de couverture en transmission de message de recherche de mobile répétée et peut également simplifier un problème de planification de système.
PCT/CN2015/071219 2014-01-23 2015-01-21 Procédé et appareil d'envoi de message de recherche de mobile WO2015110010A1 (fr)

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CN101827430A (zh) * 2009-03-06 2010-09-08 大唐移动通信设备有限公司 一种寻呼方法及设备

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CN111885713A (zh) * 2017-10-05 2020-11-03 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置
CN111885713B (zh) * 2017-10-05 2022-08-26 上海朗帛通信技术有限公司 一种被用于无线通信的用户设备、基站中的方法和装置

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