WO2017101102A1 - 寻呼用户设备的装置、方法以及通信*** - Google Patents

寻呼用户设备的装置、方法以及通信*** Download PDF

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Publication number
WO2017101102A1
WO2017101102A1 PCT/CN2015/097866 CN2015097866W WO2017101102A1 WO 2017101102 A1 WO2017101102 A1 WO 2017101102A1 CN 2015097866 W CN2015097866 W CN 2015097866W WO 2017101102 A1 WO2017101102 A1 WO 2017101102A1
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WIPO (PCT)
Prior art keywords
user equipment
paging
packet number
level
paging packet
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PCT/CN2015/097866
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English (en)
French (fr)
Inventor
史玉龙
徐海博
郤伟
Original Assignee
富士通株式会社
史玉龙
徐海博
郤伟
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by 富士通株式会社, 史玉龙, 徐海博, 郤伟 filed Critical 富士通株式会社
Priority to CN201580084544.3A priority Critical patent/CN108353382B/zh
Priority to PCT/CN2015/097866 priority patent/WO2017101102A1/zh
Priority to KR1020187016259A priority patent/KR20180081784A/ko
Priority to MX2018006711A priority patent/MX2018006711A/es
Priority to JP2018529994A priority patent/JP6638813B2/ja
Priority to EP15910573.3A priority patent/EP3393183A4/en
Publication of WO2017101102A1 publication Critical patent/WO2017101102A1/zh
Priority to US15/986,208 priority patent/US10660066B2/en
Priority to US16/742,153 priority patent/US11032795B2/en

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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
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
    • H04W68/005—Transmission of information for alerting of incoming communication
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of wireless communication technologies, and in particular, to an apparatus, method, and communication system for paging user equipment.
  • the IoT service has many new features, including ultra-low power requirements, deployment of massive user equipment (UE, User Equipment), less data traffic, and low service delay requirements. These features put forward a lot of technical requirements for the LTE system, and important requirements include that the behavior of the user equipment should be as energy efficient as possible.
  • the 3rd Generation Partnership Project (3GPP) is investigating a new wireless communication technology to support IoT services, that is, the issue of Narrow Band Internet of Things (NB-IoT) technology.
  • NB-IoT Narrow Band Internet of Things
  • the NB-IoT technology is based on the existing LTE technology and further enhances a new narrowband communication technology that meets the IoT service requirements.
  • the user equipment paging scheme existing in the NB-IoT and LTE systems requires energy saving as much as possible.
  • the user equipment will send a subframe (Subframe) in a certain system frame number (SFN) within each paging cycle (Paging Cycle). Page message.
  • the system frame in which the user equipment listens for paging is called a paging frame (PF, Paging Frame), and the subframe in which the paging is intercepted in the PF is called a paging opportunity (PO, Paging Occasion).
  • the International Mobile Subscriber Identification (IMSI) is a value that is solidified in the user equipment; nB is a parameter that the network broadcasts in the system system information, and indicates the total number of POs in the paging period of the cell.
  • the Mobility Management Entity sends a paging message to the base station (for example, an eNB), and the base station sends a paging message in the PO of the user equipment. interest.
  • the paging message is carried by, for example, a Physical Downlink Shared Channel (PDSCH) indicated by Downlink Control Information (DCI) in a Physical Downlink Control Channel (PDCCH) channel.
  • DCI Downlink Control Information
  • PDCH Physical Downlink Control Channel
  • PF and PO When a certain user equipment corresponding to a PO is paged, other user equipments in the PO also decode the PDCCH and the PDSCH.
  • other user equipments cannot find their own user equipment identifiers in the paging message of the PDSCH, indicating that these user equipments are not paged, and these user equipments actually waste the power of decoding the PDSCH.
  • Embodiments of the present invention provide an apparatus, method, and communication system for paging a user equipment.
  • the paging user equipment is grouped, and the number of user equipments with the same or similar numbers is different between different paging groups, which reduces the probability of "false paging" of the entire cell.
  • a method for paging a user equipment including:
  • the base station Receiving, by the base station, indication information for indicating a paging packet number;
  • the paging packet number includes a first-level paging packet number and a second-level paging packet number;
  • the first level paging packet number included in the indication information in the indication information is consistent with the calculated first level paging packet number, and the second level searching included in the indication information If the call packet number is consistent with the calculated second-level paging packet number, the downlink data channel sent by the base station is decoded to determine whether the user equipment is paged.
  • an apparatus for paging a user equipment in a user equipment, where the apparatus includes:
  • a first calculating unit which calculates a first-level paging packet number of the user equipment based on an inherent identifier of the user equipment, or an inherent identifier of the user equipment and a network configuration parameter;
  • a second calculating unit which calculates a second-level paging packet number of the user equipment based on a network identifier allocated by the mobility management entity to the user equipment;
  • An information receiving unit which receives indication information for indicating a paging packet number sent by the base station; the paging packet number includes a first-level paging packet number and a second-level paging packet number;
  • An information determining unit configured to determine whether the first-level paging packet number included in the indication information is consistent with the first-level paging packet number calculated by the first calculating unit, and the indication information Whether the second level paging packet number included in the second level paging packet number is consistent with the second level paging packet number calculated by the second calculating unit;
  • An information decoding unit wherein the first-level paging packet number included in the indication information is consistent with the first-level paging packet number calculated by the first calculating unit, and the indication information includes If the second-level paging packet number is consistent with the second-level paging packet number calculated by the second calculating unit, decoding a downlink data channel sent by the base station to determine the Whether the user equipment is paged.
  • a method for paging a user equipment includes:
  • the paging packet number includes a first-level paging packet number and a second-level paging packet number;
  • the first-level paging packet number is obtained based on an inherent identifier of the user equipment, or an inherent identifier of the user equipment, and a network configuration parameter, where the second-level paging packet number is allocated to the mobile management entity. Obtained by the network identifier of the user equipment.
  • an apparatus for paging a user equipment configured in a base station, the apparatus comprising:
  • An information sending unit that transmits indication information for indicating a paging packet number; the paging packet number includes a first-level paging packet number and a second-level paging packet number;
  • the first-level paging packet number is obtained based on an inherent identifier of the user equipment, or an inherent identifier of the user equipment, and a network configuration parameter, where the second-level paging packet number is allocated to the mobile management entity. Obtained by the network identifier of the user equipment.
  • a method for paging a user equipment including:
  • the network identifier is such that a plurality of user equipments belonging to the same first-level paging packet are evenly distributed among different second-level paging packets; the first-level paging packet is based on the multiple user equipments.
  • an apparatus for paging a user equipment is provided in a mobility management entity, where the apparatus includes:
  • An identifier allocation unit that allocates a network identifier to a user equipment attached to the mobility management entity
  • the network identifier is such that a plurality of user equipments belonging to the same first-level paging packet are evenly distributed among different second-level paging packets; the first-level paging packet is based on the multiple user equipments.
  • a communication system comprising:
  • a user equipment configured with the apparatus for paging a user equipment as described in the second aspect above;
  • a base station configured with the apparatus for paging a user equipment according to the fourth aspect
  • the MME is configured with the apparatus for paging the user equipment as described in the sixth aspect above.
  • the beneficial effects of the embodiment of the present invention are: dividing the first-level paging packet based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and dividing the second-level paging based on the network identifier allocated by the network to the user equipment. Packets; thus, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • FIG. 1 is a schematic diagram of a method for paging a user equipment according to Embodiment 1 of the present invention
  • FIG. 2 is another schematic diagram of a method for paging a user equipment according to Embodiment 1 of the present invention.
  • FIG. 3 is a schematic diagram of a method for paging a user equipment according to Embodiment 2 of the present invention.
  • FIG. 4 is another schematic diagram of a method for paging a user equipment according to Embodiment 2 of the present invention.
  • FIG. 5 is another schematic diagram of a method for paging a user equipment according to Embodiment 2 of the present invention.
  • FIG. 6 is a schematic diagram of a method for paging a user equipment according to Embodiment 3 of the present invention.
  • FIG. 7 is a schematic diagram of a method for allocating S-TMSI according to Embodiment 3 of the present invention.
  • FIG. 8 is a schematic diagram of an apparatus for paging a user equipment according to Embodiment 4 of the present invention.
  • FIG. 9 is a schematic diagram of a user equipment according to Embodiment 4 of the present invention.
  • FIG. 10 is a schematic diagram of an apparatus for paging a user equipment according to Embodiment 5 of the present invention.
  • FIG. 11 is another schematic diagram of an apparatus for paging a user equipment according to Embodiment 5 of the present invention.
  • FIG. 12 is another schematic diagram of an apparatus for paging a user equipment according to Embodiment 5 of the present invention.
  • FIG. 13 is a schematic diagram of a base station according to Embodiment 5 of the present invention.
  • FIG. 14 is a schematic diagram of an apparatus for paging a user equipment according to Embodiment 6 of the present invention.
  • FIG. 15 is another schematic diagram of an apparatus for paging a user equipment according to Embodiment 6 of the present invention.
  • FIG. 16 is another schematic diagram of an apparatus for paging a user equipment according to Embodiment 6 of the present invention.
  • FIG. 17 is a schematic diagram of an identifier allocation unit according to Embodiment 6 of the present invention.
  • Figure 19 is a diagram showing the communication system of Embodiment 7 of the present invention.
  • the usual grouping method is to determine the paging packet number to which the user equipment belongs according to the IMSI of the user equipment.
  • the number of grouping of paging packets in the network can be configured by the network.
  • this conventional paging grouping method since the IMSI is randomly allocated and solidified in the user equipment, the number of user equipments actually present in each paging packet within a certain PO may not be equal.
  • the number of user equipments in a PO is extremely unevenly distributed among paging groups, and the number of user equipments in a certain PO is much larger than the number of user equipments in other packets in the PO.
  • This paging packet with a large number of user equipment still has a high "false paging" probability under the PO.
  • the PO has the smallest "false paging" probability; the above-mentioned normal paging component group method cannot guarantee this, and it is still possible for a certain PO to have a comparison.
  • the high "false paging" probability the power consumption of some user equipment has increased significantly.
  • the first-level paging packet is divided based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet is divided according to the network identifier allocated to the user equipment by the network; Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the embodiments of the present invention are described in detail below by taking NB-IoT and LTE as an example, but the present invention is not limited thereto, and can be applied to other communication systems.
  • the present invention can be used as long as the number of user equipments is large and the communication system of the user equipment needs to be paged.
  • FIG. 1 is a schematic diagram of a method for paging a user equipment according to an embodiment of the present invention, which is described from the user equipment side. As shown in FIG. 1, the method includes:
  • Step 101 The user equipment calculates a first-level paging packet number of the user equipment based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and network configuration parameters.
  • Step 102 The user equipment calculates a second-level paging packet number of the user equipment based on the network identifier allocated by the MME to the user equipment.
  • Step 103 The user equipment receives indication information that is sent by the base station to indicate a paging packet number, where the paging packet number includes a first-level paging packet number and a second-level paging packet number.
  • Step 104 The user equipment determines whether the first-level paging packet number included in the indication information is consistent with the calculated first-level paging packet number, and the second-level paging packet number and the calculated number included in the indication information. Whether the secondary paging packet number is consistent;
  • Step 105 The first-level paging packet number included in the indication information of the user equipment is consistent with the calculated first-level paging packet number, and the second-level paging packet number included in the indication information is compared with the calculated second-level paging packet number. In the case where the paging packet numbers are the same, the downlink data channel transmitted by the base station is decoded to determine whether the user equipment is paged.
  • the user equipment may be, for example, a narrowband Internet of Things terminal, but the present invention is not limited thereto.
  • the user equipment may also be a terminal of another network system.
  • the embodiment of the present invention is only described by taking a narrowband Internet of Things as an example, but is not limited thereto, and can be applied to any system for paging user equipment.
  • the base station in the embodiment of the present invention may be a macro base station (for example, an eNB), and the user equipment is served by a macro cell (for example, a macro cell) generated by the macro base station.
  • the base station in the embodiment of the present invention may also be a micro base station, where the user equipment is configured by The microcell generated by the micro base station (for example, a Pico cell) provides a service.
  • the embodiment of the present invention is not limited thereto, and a specific scenario may be determined according to actual needs.
  • the intrinsic identifier of the user equipment may be an IMSI
  • the network identifier of the user equipment may be a temporary mobile subscriber identity (S-TMSI, SAE-Temporary Mobile Subscriber Identity);
  • the set parameter may be a number n of POs indicating the cell within one paging cycle.
  • IMSI IMSI
  • S-TMSI Globally Unique Temporary User Equipment Identity
  • GUI Globally Unique Temporary User Equipment Identity
  • the user equipment can obtain these identifiers or parameters through system parameters (SI, System Information), etc., and can refer to the prior art for how to obtain IMSI, S-TMSI, nB, and the like.
  • the first level paging packet number can be calculated by the following formula:
  • UE_ID IMSI mod 1024
  • the Paging_GroupID is the first-level paging packet number
  • the IMSI is the international mobile subscriber identity code
  • nB is the network configuration parameter
  • mod is a modular operation
  • div is a quotation operation
  • floor is a round-down operation.
  • the second level paging packet number can be calculated by the following formula:
  • S-TMSI_GroupID S-TMSI mod 2 ⁇ M ;
  • the S-TMSI_GroupID is the second-level paging packet number
  • the S-TMSI is the temporary mobile subscriber identity
  • the M is the number of bits used in the predetermined S-TMSI packet
  • the mod represents the modulo operation.
  • the S-TMSI of the user equipment is allocated to the UE by the MME of the network during the attach procedure. Therefore, it can be considered that all user equipments have a network-assigned network identifier S-TMSI unique to the MME.
  • the MME may add certain features when allocating the S-TMSI of the user equipment, and ensure that the number of user equipments allocated in the same paging group is the same or similar.
  • the indication information may be included in the DCI of the PDCCH, and the user equipment may obtain the indication information by listening to the DCI of the PDCCH; or the indication information may also be included in the system information, where the user equipment sends the information through the receiving base station.
  • the indication information is obtained by the system information.
  • the PDCCH and the PDSCH will be described as an example, but the present invention is not limited thereto.
  • the PDCCH may be replaced by an ePDCCH, an M-PDCCH, or the like.
  • FIG. 2 is another schematic diagram of a method for paging a user equipment according to an embodiment of the present invention. As shown in FIG. 2, the method includes:
  • Step 201 The user equipment calculates a first-level paging packet number of the user equipment based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and network configuration parameters.
  • Step 202 The user equipment calculates a second-level paging packet number of the user equipment based on the network identifier allocated by the MME to the user equipment.
  • Step 203 The user equipment receives indication information that is sent by the base station to indicate a paging packet number, where the paging packet number includes a first-level paging packet number and a second-level paging packet number.
  • the following two fields may be added in the DCI of the PDCCH indicating the paging message, respectively indicating the group number of the first-level paging packet to which the paging user equipment belongs and the second-level paging packet.
  • the group number, the paging packet number of the user equipment is determined by the two-stage paging packet number.
  • Paging_GroupID field This field indicates the group number of the first-level paging packet to which the paged user equipment belongs. The calculation of the group number is, for example, related to the IMSI of the user equipment and the nB parameter of the network configuration. The number of bits in this field can be fixed or variable, but should contain at least log 2 (1024/nB) bits.
  • S-TMSI_GroupID field This field indicates the group number of the second-level paging packet to which the paged user equipment belongs, and the calculation of the group number is, for example, related to the S-TMSI (or GUTI) of the user equipment.
  • the number of bits in this field is M.
  • the base station may also send periodic information to the user equipment, where the period information is used to indicate that the paging is not required to be monitored by the own PO within a plurality of paging periods after receiving the paging message.
  • the following fields may also be included in the DCI of the PDCCH:
  • PO_Skip_Number field This field indicates that the paging user equipment does not have service arrival in consecutive PO_Skip_Number paging periods after receiving the paging message, and the user equipment does not need to monitor the PDCCH at the PO.
  • the group number of the first-level paging packet and the group number of the second-level paging packet included in the indication information may be obtained by calculation by the base station, or may be calculated by the MME, and may be as follows. Examples 2 and 3.
  • Step 204 The user equipment determines whether the information included in the indication information is consistent with the calculated number, that is, whether the first-level paging packet number included in the indication information is the same as the first-level paging packet calculated in step 201. The number is consistent, and whether the second-level paging packet number included in the indication information is consistent with the second-level paging packet number calculated in step 202; if both are consistent, step 205 is performed, if not The user equipment does not decode the corresponding PDSCH.
  • the user equipment can listen to the Paging_GroupID field and the S-TMSI_GroupID field in the DCI in the PDCCH, if the two-stage paging packet number indicated by the two fields and the number calculated by the user equipment (ie, step 201 and step 202) The number of the calculated numbers is the same, indicating that there may be a paging message of the user equipment in the PDSCH, and the user equipment should decode the PDSCH to further check whether there is a user equipment identifier in the paging message. Otherwise, if at least one of the paging packet group numbers in the Paging_GroupID field and the S-TMSI_GroupID field is different from the number calculated by the user equipment itself, the user equipment does not decode the PDSCH.
  • Step 205 The user equipment decodes the corresponding PDSCH.
  • Step 206 The user equipment determines whether the decoded paging message includes the identifier of the user equipment; if yes, step 207 is performed, and if not, it may be determined that the user equipment is not paged.
  • Step 207 The user equipment initiates a connection establishment request.
  • the user equipment may not listen to the PDCCH of its own PO in the next PO_Skip_Number paging cycle.
  • FIGS. 1 and 2 only schematically illustrate the embodiments of the present invention, but the present invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • the first-level paging packet is divided according to the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet is divided according to the network identifier allocated by the network to the user equipment; Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the group number parameter of the paging assignment is a parameter known by the user equipment. The nB decision can reduce the air interface signaling required to configure the parameter separately.
  • the embodiment of the present invention provides a method for paging a user equipment, which is further described on the basis of Embodiment 1. The same content as Embodiment 1 is not described again.
  • FIG. 3 is a schematic diagram of a method for paging a user equipment according to an embodiment of the present invention, which is described from the base station side. As shown in FIG. 3, the method includes:
  • Step 301 The base station sends indication information for indicating a paging packet number to the user equipment, where the paging packet number includes a first-level paging packet number and a second-level paging packet number.
  • the first-level paging packet number is obtained based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet number is obtained based on the network identifier allocated by the MME to the user equipment.
  • the intrinsic identifier of the user equipment may be an IMSI
  • the network identifier of the user equipment may be S-TMSI
  • the network configuration parameter may be a number n of POs indicating that the cell is in one paging cycle, but the present invention is not limited thereto.
  • the indication information may be transmitted through the DCI of the PDCCH, or may be transmitted through the system information.
  • the base station may further send period information to the user equipment, where the period information is used to indicate that the user equipment does not need to perform monitoring in multiple paging periods after receiving the paging message.
  • the period information may be included in the indication information, for example, adding a PO_Skip_Number field in a DCI of the PDCCH.
  • the first level paging packet number and the second level paging packet number may be calculated by the base station, and the first level paging packet number and the second level paging packet number are included in, for example, DCI of the PDCCH. in.
  • FIG. 4 is another schematic diagram of a method for paging a user equipment according to an embodiment of the present invention, which is described from the user equipment side, the base station side, and the MME side. As shown in FIG. 4, the method includes:
  • Step 401 The MME allocates an S-TMSI to the user equipment.
  • Step 402 The MME sends the S-TMSI to the base station.
  • the S-TMSI may be transmitted to the base station during the network attach procedure, but the present invention is not limited thereto, and any related method may be used.
  • Step 403 The base station calculates the first of the user equipment based on the IMSI of the user equipment, or the IMSI and the nB. Level paging packet number.
  • Step 404 The base station calculates a second-level paging packet number of the user equipment based on the S-TMSI.
  • Step 405 The base station sends indication information for indicating a paging packet number to the user equipment; the paging packet number includes a first-level paging packet number and a second-level paging packet number.
  • the first-level paging packet number and the second-level paging packet number may be calculated by the MME and sent to the base station, where the base station includes the first-level paging packet number and the second-level paging packet number.
  • the DCI of, for example, the PDCCH In the DCI of, for example, the PDCCH.
  • FIG. 5 is another schematic diagram of a method for paging a user equipment according to an embodiment of the present invention, which is described from the user equipment side, the base station side, and the MME side. As shown in FIG. 5, the method includes:
  • Step 501 The MME allocates an S-TMSI to the user equipment.
  • Step 502 The MME calculates a first-level paging packet number of the user equipment based on the IMSI of the user equipment, or the IMSI and the nB.
  • Step 503 The MME calculates a second-level paging packet number of the user equipment based on the S-TMSI.
  • Step 504 The MME sends the first-level paging packet number and the second-level paging packet number to the base station.
  • Step 505 The base station sends indication information for indicating a paging packet number to the user equipment; the paging packet number includes a first-level paging packet number and a second-level paging packet number.
  • FIGS. 4 and 5 are only illustrative of the embodiments of the present invention, but the invention is not limited thereto.
  • the order of execution between the various steps can be appropriately adjusted, and other steps can be added or some of the steps can be reduced.
  • the first-level paging packet is divided according to the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet is divided according to the network identifier allocated by the network to the user equipment; Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the group number parameter of the paging allocation is determined by the parameter nB known by the user equipment, and the air interface signaling required to separately configure the parameter can be reduced.
  • the embodiment of the present invention provides a method for paging a user equipment, which is further described on the basis of Embodiments 1 and 2. The same content as Embodiments 1 and 2 will not be described again.
  • FIG. 6 is a schematic diagram of a method for paging a user equipment according to an embodiment of the present invention, which is described from the MME side. As shown in FIG. 6, the method includes:
  • Step 601 The MME allocates a network identifier to a user equipment attached to the MME.
  • the network identifier is such that a plurality of user equipments belonging to the same first-level paging packet are evenly distributed in different second-level paging packets; the first-level paging packet is based on an inherent identifier of multiple user equipments. Or formed by the inherent identifiers and network configuration parameters of multiple user equipments.
  • the intrinsic identifier of the user equipment may be an IMSI
  • the network identifier of the user equipment may be S-TMSI
  • the network configuration parameter may be a number n of POs indicating that the cell is in one paging cycle, but the present invention is not limited thereto. this.
  • the MME should ensure that the same first-level paging packet is attached when the S-TMSI is allocated to the user equipment.
  • the user equipments under the MME are evenly distributed among different second-level paging packets.
  • the MME can control the lowest M-bit of the S-TMSI when the S-TMSI is allocated.
  • FIG. 7 is a schematic diagram of allocating S-TMSI according to an embodiment of the present invention. As shown in FIG. 7, when an S-TMSI is allocated for a certain user equipment, the MME performs the following steps:
  • Step 701 the MME determines L bits in the IMSI of the user equipment; wherein the value of the L bits is temp, and the temp corresponds to a variable S-TMSI_Group[temp];
  • step 702 the MME generates an S-TMSI that satisfies the following conditions:
  • S-TMSI mod 2 ⁇ M S-TMSI_Group[temp]; M is the number of bits used in the predetermined S-TMSI packet, and mod represents the modulo operation; wherein the MME can continuously generate S-TMSI randomly until it is satisfied. S-TMSI for the above conditions.
  • Step 703 The MME allocates the S-TMSI to the user equipment.
  • Step 704 The MME updates the S-TMSI_Group[temp].
  • S-TMSI_Group[temp] S-TMSI_Group[temp]+1. If the updated value of S-TMSI_Group[temp] is equal to 2 ⁇ M , the S-TMSI_Group[temp] can be reset to 0.
  • the L bits when a specific L bits are selected in the IMSI, the L bits may be consecutively selected in all bits of the IMSI, or may be discontinuously selected, and the position of the L bits may be specified by a protocol.
  • the lowest 10 bits in the IMSI may be selected.
  • Paging_GroupID is the first-level paging packet number
  • IMSI is the international mobile subscriber identity code
  • nB is the network configuration parameter
  • mod is the modulo operation
  • div is the quotation operation
  • floor is the round-down operation.
  • the lowest 10 bits in the IMSI and the lowest log 2 P+1 bits from low to high may be selected. To the log 2 (G*P) position;
  • Paging_GroupID (IMSI mod G*P)/P;
  • Paging_GroupID is the first-level paging packet number, IMSI is the international mobile subscriber identity code, and mod is the modular operation.
  • Paging_GroupID (IMSI mod 4*2048)/2048
  • the MME can add certain features when allocating the S-TMSI of the user equipment, and can ensure that the number of user equipments allocated in the same paging group is the same or similar.
  • the MME may send the S-TMSI to the base station; the first-level paging packet number and the second-level paging packet number may be calculated by the base station, and the first-level paging packet number and the first The secondary paging packet number is included in, for example, the DCI of the PDCCH.
  • the first-level paging packet number and the second-level paging packet number may be calculated by the MME and sent to the base station, where the base station includes the first-level paging packet number and the second-level paging packet number.
  • the DCI of, for example, the PDCCH In the DCI of, for example, the PDCCH.
  • the MME can control the lowest M-bit of the network identifier; and divide the first-level paging packet based on the inherent identifier of the user equipment or the inherent identifier of the user equipment and the network configuration parameter, based on the network allocation.
  • the second-level paging packet is divided into the network identifier of the user equipment. Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the group number parameter of the paging allocation is determined by the parameter nB known by the user equipment, and the air interface signaling required to separately configure the parameter can be reduced.
  • An embodiment of the present invention provides a device for paging a user equipment, which is configured in a user equipment.
  • the embodiment of the present invention corresponds to Embodiment 1, and the same content as Embodiment 1 is not described herein.
  • FIG. 8 is a schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention. As shown in FIG. 8, the apparatus 800 for paging a user equipment includes:
  • a first calculating unit 801 which calculates a first-level paging packet number of the user equipment based on an inherent identifier of the user equipment, or an inherent identifier of the user equipment and a network configuration parameter;
  • a second calculating unit 802 which calculates a second-level paging packet number of the user equipment based on the network identifier allocated by the MME to the user equipment;
  • the information receiving unit 803 receives the indication information sent by the base station for indicating the paging packet number; the paging packet number includes a first-level paging packet number and a second-level paging packet number;
  • the information determining unit 804 determines whether the first-level paging packet number included in the indication information is consistent with the first-level paging packet number calculated by the first calculating unit 801, and the second-level paging packet included in the indication information Whether the number is consistent with the second-level paging packet number calculated by the second calculating unit 802;
  • the Information decoding unit 805 which includes the first level paging packet number and the first calculation unit included in the indication information If the first-level paging packet number calculated by the 801 is consistent and the second-level paging packet number included in the indication information is consistent with the second-level paging packet number calculated by the second calculating unit 802, the downlink sent to the base station is sent.
  • the data channel is decoded to determine if the user equipment is paged.
  • the intrinsic identifier of the user equipment may be an IMSI
  • the network identifier of the user equipment may be S-TMSI
  • the network configuration parameter may be a number n of POs indicating that the cell is in one paging period.
  • the first calculating unit 801 can calculate the first-level paging packet number by using the following formula:
  • UE_ID IMSI mod 1024
  • the Paging_GroupID is the first-level paging packet number
  • the IMSI is the international mobile subscriber identity code
  • nB is the network configuration parameter
  • mod is the modular operation
  • div is the quotation operation
  • the floor is the round-down operation.
  • the second calculating unit 802 can calculate the second-level paging packet number by using the following formula:
  • S-TMSI_GroupID S-TMSI mod 2 ⁇ M ;
  • the S-TMSI_GroupID is the second-level paging packet number
  • the S-TMSI is the temporary mobile subscriber identity
  • the M is the number of bits used in the predetermined S-TMSI packet
  • the mod represents the modulo operation.
  • the information receiving unit 803 may obtain the indication information by listening to the DCI of the PDCCH, or obtain the indication information by receiving system information sent by the base station.
  • the downlink data channel can be a PDSCH.
  • the information receiving unit 803 is further configured to receive period information sent by the base station, where the period information is used to indicate that no monitoring is needed in multiple paging periods after receiving the paging message.
  • the embodiment further provides a user equipment, which is provided with the apparatus 800 for paging the user equipment as described above.
  • FIG. 9 is a schematic diagram of a user equipment according to an embodiment of the present invention.
  • the user device 900 can include a central processing unit 100 and a memory 140; the memory 140 is coupled to the central processing unit 100.
  • the figure is exemplary; other types of structures may be used in addition to or in place of the structure to implement telecommunications functions or other functions.
  • the functionality of device 800 for paging user equipment may be integrated into central processor 100.
  • the central processing unit 100 can be configured to implement the method for paging the user equipment described in Embodiment 1.
  • the central processing unit 100 can be configured to perform control of calculating a first-level paging packet number of the user equipment based on an inherent identification of the user equipment, or an inherent identification of the user equipment and network configuration parameters;
  • the network identifier assigned by the MME to the user equipment calculates a second-level paging packet number of the user equipment; and receives indication information sent by the base station for indicating a paging packet number, where the paging packet number includes a first-level paging packet number and a a secondary paging packet number; determining whether the first-level paging packet number included in the indication information is consistent with the calculated first-level paging packet number, and the second-level paging packet number included in the indication information is calculated Whether the second-level paging packet number is consistent; and the first-level paging packet number included in the indication information is consistent with the calculated first-level paging packet number and indicates the second-level paging packet number included in the information In the case of the calculated second-level paging packet
  • the apparatus 800 for paging a user equipment may be configured separately from the central processing unit 100, for example, the apparatus 800 for paging the user equipment may be configured as a chip connected to the central processing unit 100, through the central processing unit 100. Control is implemented to implement the functionality of device 800 for paging user equipment.
  • the user equipment 900 may further include: a communication module 110, an input unit 120, an audio processing unit 130, a memory 140, a camera 150, a display 160, and a power source 170.
  • the functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the user equipment 900 does not have to include all the components shown in FIG. 9, and the above components are not required; in addition, the user equipment 900 may further include components not shown in FIG. There are technologies.
  • the first-level paging packet is divided according to the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet is divided according to the network identifier allocated by the network to the user equipment; Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the group number parameter of the paging allocation is determined by the parameter nB known by the user equipment, and the air interface signaling required to separately configure the parameter can be reduced.
  • the embodiment of the present invention provides a device for paging a user equipment, which is configured in a base station, and the embodiment of the present invention corresponds to the second embodiment, and the same content as the first embodiment and the second embodiment will not be described again.
  • FIG. 10 is a schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention. As shown in FIG. 10, the apparatus 1000 for paging a user equipment includes:
  • An information transmitting unit 1001 which sends indication information for indicating a paging packet number; the paging packet number includes a first-level paging packet number and a second-level paging packet number;
  • the first-level paging packet number is obtained based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet number is obtained based on the network identifier allocated by the MME to the user equipment.
  • the intrinsic identifier of the user equipment may be an IMSI
  • the network identifier of the user equipment may be S-TMSI
  • the network configuration parameter may be a number n of POs indicating that the cell is in one paging period.
  • the first level paging packet number and the second level paging packet number may be calculated by the base station, and the first level paging packet number and the second level paging packet number are included in, for example, DCI of the PDCCH. in.
  • FIG. 11 is another schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention.
  • the apparatus 1100 for paging a user equipment includes: an information sending unit 1001, as described above.
  • the apparatus 1100 for paging a user equipment may further include:
  • the identifier receiving unit 1101 receives the network identifier sent by the MME;
  • a third calculating unit 1102 which calculates a first-level paging packet number of the user equipment based on an inherent identifier of the user equipment, or an inherent identifier of the user equipment and a network configuration parameter;
  • the fourth calculating unit 1103 calculates a second-level paging packet number of the user equipment based on the network identifier.
  • the first-level paging packet number and the second-level paging packet number may be calculated by the MME and sent to the base station, where the base station includes the first-level paging packet number and the second-level paging packet number.
  • the DCI of, for example, the PDCCH In the DCI of, for example, the PDCCH.
  • FIG. 12 is another schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention.
  • the apparatus 1200 for paging a user equipment includes: an information sending unit 1001, as described above.
  • the apparatus 1200 for paging a user equipment may further include:
  • the number receiving unit 1201 receives the first-level paging packet number and the second-level paging packet number sent by the MME.
  • the information sending unit 1001 is further configured to send period information, where the period information is used to indicate that the user equipment does not need to perform monitoring in multiple paging periods after receiving the paging message.
  • the embodiment further provides a base station configured with the apparatus 1000, 1100 or 1200 for paging the user equipment as described above.
  • FIG. 13 is a schematic diagram of a structure of a base station according to an embodiment of the present invention.
  • base station 1300 can include a central processing unit (CPU) 200 and memory 210; and memory 210 is coupled to central processing unit 200.
  • CPU central processing unit
  • memory 210 can store various data; in addition, a program for information processing is stored, and the central processing unit The program is executed under the control of 200.
  • the base station 1300 can implement the method for paging a user equipment as described in Embodiment 2.
  • the central processor 200 can be configured to implement the functionality of the device 1000, 1100 or 1200 that pages the user equipment.
  • the central processing unit 200 can be configured to perform control of transmitting indication information indicating a paging packet number; the paging packet number including a first level paging packet number and a second level paging packet number;
  • the first-level paging packet number is obtained based on the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet number is obtained based on the network identifier allocated by the MME to the user equipment.
  • the base station 1300 may further include: a transceiver 220, an antenna 230, and the like; wherein the functions of the foregoing components are similar to those of the prior art, and details are not described herein again. It should be noted that the base station 1300 does not have to include all the components shown in FIG. 13; in addition, the base station 1300 may further include components not shown in FIG. 13, and reference may be made to the prior art.
  • the first-level paging packet is divided according to the inherent identifier of the user equipment, or the inherent identifier of the user equipment and the network configuration parameter, and the second-level paging packet is divided according to the network identifier allocated by the network to the user equipment; Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the group number parameter of the paging allocation is determined by the parameter nB known by the user equipment, and the air interface signaling required to separately configure the parameter can be reduced.
  • An embodiment of the present invention provides a device for paging a user equipment, which is configured in an MME.
  • the embodiment of the present invention corresponds to Embodiment 3, and the same content as Embodiments 1 to 3 is not described herein.
  • FIG. 14 is a schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention. As shown in FIG. 14, the apparatus 1400 for paging a user equipment includes:
  • the network identifier is such that a plurality of user equipments belonging to the same first-level paging packet are evenly distributed in different second-level paging packets; the first-level paging packet is based on an inherent identifier of multiple user equipments. Or formed by the inherent identifiers and network configuration parameters of multiple user equipments.
  • the intrinsic identifier of the user equipment may be an IMSI
  • the network identifier of the user equipment may be S-TMSI
  • the network configuration parameter may be a number n of POs indicating that the cell is in one paging period.
  • the first level paging packet number and the second level paging packet number may be calculated by the base station Thereafter, the first level paging packet number and the second level paging packet number are included in, for example, the DCI of the PDCCH.
  • FIG. 15 is another schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention.
  • the apparatus 1500 for paging a user equipment includes: an identifier allocation unit 1401, as described above.
  • the apparatus 1500 for paging a user equipment may further include:
  • the identifier sending unit 1501 transmits the network identifier assigned to the user equipment to the base station.
  • the first-level paging packet number and the second-level paging packet number may be calculated by the MME and sent to the base station, where the base station includes the first-level paging packet number and the second-level paging packet number.
  • the DCI of, for example, the PDCCH In the DCI of, for example, the PDCCH.
  • FIG. 16 is another schematic diagram of an apparatus for paging a user equipment according to an embodiment of the present invention.
  • the apparatus 1600 for paging a user equipment includes: an identifier allocation unit 1401, as described above.
  • the apparatus 1600 for paging a user equipment may further include:
  • a fifth calculating unit 1601 which calculates a first-level paging packet number of the user equipment based on an inherent identifier of the user equipment, or an inherent identifier of the user equipment and a network configuration parameter;
  • a sixth calculating unit 1602 which calculates a second-level paging packet number of the user equipment based on the network identifier
  • the number transmitting unit 1603 transmits the first level paging packet number and the second level paging packet number to the base station.
  • FIG. 17 is a schematic diagram of an identifier allocation unit according to an embodiment of the present invention. As shown in FIG. 17, the identifier distribution unit 1401 may include:
  • the bit determining unit 1701 determines L bits in the IMSI of the user equipment; wherein the value of the L bits is temp, and the temp corresponds to a variable S-TMSI_Group[temp], where L is a preset value;
  • the identification generating unit 1702 generates an S-TMSI that satisfies the following conditions:
  • M S-TMSI_Group[temp]; where M is the number of bits used in the predetermined S-TMSI packet, and mod is the modulo operation;
  • An identifier determining unit 1703 assigning the S-TMSI to the user equipment
  • variable updating unit 1704 updates S-TMSI_Group[temp]; for example, increments by 1.
  • the identifier allocating unit 1401 may further include:
  • the initializing unit 1706 initializes the S-TMSI_GroupID[i]; for example, both are initialized to 0; and in the case where the variable updating unit 1704 updates the value of S-TMSI_Group[temp] to 2 ⁇ M , resets S- TMSI_Group[temp], for example reset to 0.
  • the bit determining unit 1701 is configured to select a lowest 10 bits in the IMSI if the first level paging packet is formed based on an inherent identifier of multiple user equipments and network configuration parameters;
  • Paging_GroupID is the first-level paging packet number
  • IMSI is the international mobile subscriber identity code
  • nB is the network configuration parameter
  • mod is the modulo operation
  • div is the quotation operation
  • floor is the round-down operation.
  • the bit determining unit 1702 is configured to select the lowest 10 bits in the IMSI and the lowest to the highest in the case where the first level paging packet is formed based on the inherent identifiers of the plurality of user equipments.
  • Paging_GroupID (IMSI mod G*P)/P;
  • Paging_GroupID is the first-level paging packet number, IMSI is the international mobile subscriber identity code, and mod is the modular operation.
  • the embodiment further provides an MME configured with the device 1400, 1500 or 1600 for paging the user equipment as described above.
  • FIG. 18 is a schematic diagram of a structure of an MME according to an embodiment of the present invention.
  • the MME 1800 can include a central processing unit (CPU) 300 and a memory 310; the memory 310 is coupled to the central processing unit 300.
  • the memory 310 can store various data; in addition, a program for information processing is stored, and the program is executed under the control of the central processing unit 300.
  • the MME 1800 can implement the method for paging a user equipment as described in Embodiment 3.
  • the central processing unit 300 can be configured to implement the functionality of the device 1400, 1500 or 1600 that pages the user equipment.
  • the central processing unit 300 can be configured to perform control of assigning a network identity to user equipment attached to the MME; wherein the network identity is such that multiple user equipments belonging to the same first-level paging packet are evenly distributed Distributed within different second-level paging packets; the first-level paging packets are formed based on the inherent identity of multiple user equipments, or the inherent identification of multiple user equipments and network configuration parameters.
  • the MME 1800 may further include: an input/output interface 320 and the like; wherein the functions of the above components are similar to those of the prior art, and are not described herein again. It should be noted that the MME 1800 does not have to include all the components shown in FIG. 18; in addition, the MME 1800 may also include not shown in FIG. The components can be referred to the prior art.
  • the MME can control the lowest M-bit of the network identifier; and divide the first-level paging packet based on the inherent identifier of the user equipment or the inherent identifier of the user equipment and the network configuration parameter, based on the network allocation.
  • the second-level paging packet is divided into the network identifier of the user equipment. Therefore, different paging groups can have the same or similar number of user equipments as much as possible, which can reduce the probability of "false paging" of the entire cell.
  • the group number parameter of the paging allocation is determined by the parameter nB known by the user equipment, and the air interface signaling required to separately configure the parameter can be reduced.
  • the embodiment of the present invention further provides a communication system, and the same content as Embodiments 1 to 6 is not described again.
  • the communication system 1900 includes: a user equipment 1901, a base station 1902, and an MME 1903.
  • the user equipment 1901 can be as described in Embodiment 4
  • the base station 1902 can be as described in Embodiment 5
  • the MME 1903 can be as described in Embodiment 6.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes a computer to execute the method for paging a user equipment according to Embodiment 1 in the user equipment when the program is executed in a user equipment.
  • the embodiment of the invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to execute the method for paging the user equipment described in Embodiment 1 in the user equipment.
  • the embodiment of the present invention further provides a computer readable program, wherein the program causes a computer to perform the method of paging a user equipment according to Embodiment 2 in the base station when the program is executed in a base station.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute the method for paging a user equipment according to Embodiment 2 in a base station.
  • the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in an MME, the program causes a computer to execute the method for paging a user equipment according to Embodiment 3 in the MME.
  • the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to execute the method for paging a user equipment according to Embodiment 3 in an MME.
  • the above apparatus and method of the present invention may be implemented by hardware or by hardware in combination with software.
  • the present invention relates to a computer readable program capable of enabling a logic component when the program is executed by a logic component
  • the apparatus or components described above, or the logic components implement the various methods or steps described above.
  • the present invention also relates to a storage medium for storing the above program, such as a hard disk, a magnetic disk, an optical disk, a DVD, a flash memory, or the like.
  • One or more of the functional blocks described in the figures and/or one or more combinations of functional blocks may be implemented as a general purpose processor, digital signal processor (DSP) for performing the functions described herein.
  • DSP digital signal processor
  • ASIC application specific integrated circuit
  • FPGA field programmable gate array
  • One or more of the functional blocks described with respect to the figures and/or one or more combinations of functional blocks may also be implemented as a combination of computing devices, eg, a combination of a DSP and a microprocessor, multiple microprocessors One or more microprocessors in conjunction with DSP communication or any other such configuration.

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Abstract

一种寻呼用户设备的装置、方法以及通信***。所述方法包括：基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数计算第一级寻呼分组编号；基于MME分配的网络标识计算第二级寻呼分组编号；接收基站发送的用于指示寻呼分组编号的指示信息；确定该指示信息中包含的信息是否与该第一级寻呼分组编号以及该第二级寻呼分组编号一致；以及在一致的情况下对下行数据信道进行解码以确定该用户设备是否被寻呼。由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区"虚假寻呼"的概率。

Description

寻呼用户设备的装置、方法以及通信*** 技术领域
本发明涉及无线通信技术领域，特别涉及一种寻呼用户设备的装置、方法以及通信***。
背景技术
随着物联网(IoT，Internet of Things)在下一代移动通信网络中应用需求越来越广泛。IoT业务具有很多新的特征，包括超低能耗要求，部署海量用户设备(UE，User Equipment)，数据流量较少，业务时延要求不高等。这些特征对LTE***提出了很多技术要求，其中重要的要求包括用户设备的行为应该做到尽量省电。
第3代合作伙伴计划(3GPP，3rd Generation Partnership Project)正在研究一种新的无线通信技术用来支持IoT业务，也就是关于窄带物联网(NB-IoT，Narrow Band Internet of Things)技术的议题。NB-IoT技术是以现有的LTE技术为基础，进一步增强为满足IoT业务要求的一种新的窄带通信技术。
在NB-IoT和LTE***中存在的用户设备寻呼(Paging)方案，特别是对处于空闲态(IDLE)的用户设备的寻呼方案，要求尽量节省能耗。在现有的寻呼方案中，用户设备会在每个寻呼周期(Paging Cycle)内，规定的某个***帧号(SFN，System Frame Number)中的某个子帧(Subframe)侦听网络发送的寻呼消息。用户设备侦听寻呼的***帧称为寻呼帧(PF，Paging Frame)，PF内侦听寻呼的子帧称为寻呼机会(PO，Paging Occasion)。
其中，每个用户设备计算其PF和PO的公式如下：SFN mod T＝(T div N)*(UE_ID mod N)；i_s＝floor(UE_ID/N)mod Ns。其中，SFN和i_s分别决定了PF和PO的位置；N、T、Ns、nB等参数是网络配置的，例如有N:min(T,nB)，Ns:max(1,nB/T)；UE_ID＝IMSI mod 1024。其中，国际移动用户识别码(IMSI，International Mobile Subscriber Identification)是固化在用户设备内的数值；nB是网络在******信息中广播的参数，表示该小区在一个寻呼周期内PO的总数。
当某个用户设备有业务数据到达时，移动管理实体(MME，Mobility Management Entity)向基站(例如eNB)发送寻呼消息，基站在该用户设备的PO内发送寻呼消 息。该寻呼消息例如是由物理下行控制信道(PDCCH，Physical Downlink Control Channel)信道中下行控制信息(DCI，Downlink Control Information)指示的物理下行共享信道(PDSCH，Physical Downlink Shared Channel)承载的。用户设备解码PDSCH上的寻呼消息后，如果该寻呼消息中的用户设备标识与自己的相同，则表明该用户设备被寻呼，应发起连接建立请求。
应该注意，上面对技术背景的介绍只是为了方便对本发明的技术方案进行清楚、完整的说明，并方便本领域技术人员的理解而阐述的。不能仅仅因为这些方案在本发明的背景技术部分进行了阐述而认为上述技术方案为本领域技术人员所公知。
发明内容
发明人发现：根据现有的PF和PO分配规则，可能有多个用户设备具有相同的PF和PO。当某一PO对应的某一个用户设备被寻呼时，该PO内的其它用户设备也会解码PDCCH和PDSCH。但是，其它用户设备在PDSCH的寻呼消息中找不到自己的用户设备标识，表示这些用户设备没有被寻呼，则这些用户设备实际上浪费了解码PDSCH的电量。
这一耗电的现象可以称为“虚假寻呼”(false paging)。小区内的用户设备数目越多，“虚假寻呼”的现象越严重，用户设备的电量浪费越多。所以，“虚假寻呼”的问题对于具有海量用户设备的IoT网络亟待解决。
本发明实施例提供一种寻呼用户设备的装置、方法以及通信***。对进行寻呼的用户设备进行分组，不同寻呼分组间尽量具有相同或相近的用户设备数目，降低整个小区“虚假寻呼”的概率。
根据本发明实施例的第一个方面，提供一种寻呼用户设备的方法，包括：
基于用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数计算所述用户设备的第一级寻呼分组编号；
基于移动管理实体分配给所述用户设备的网络标识计算所述用户设备的第二级寻呼分组编号；
接收基站发送的用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
确定所述指示信息中包含的所述第一级寻呼分组编号与计算出的所述第一级寻 呼分组编号是否一致，以及所述指示信息中包含的所述第二级寻呼分组编号与计算出的所述第二级寻呼分组编号是否一致；以及
在所述指示信息中所述指示信息中包含的所述第一级寻呼分组编号与计算出的所述第一级寻呼分组编号一致并且所述指示信息中包含的所述第二级寻呼分组编号与计算出的所述第二级寻呼分组编号一致的情况下，对所述基站发送的下行数据信道进行解码以确定所述用户设备是否被寻呼。
根据本发明实施例的第二个方面，提供一种寻呼用户设备的装置，配置于用户设备中，所述装置包括：
第一计算单元，其基于所述用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数计算所述用户设备的第一级寻呼分组编号；
第二计算单元，其基于移动管理实体分配给所述用户设备的网络标识计算所述用户设备的第二级寻呼分组编号；
信息接收单元，其接收基站发送的用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
信息确定单元，其确定所述指示信息中包含的所述第一级寻呼分组编号与所述第一计算单元所计算出的所述第一级寻呼分组编号是否一致，以及所述指示信息中包含的所述第二级寻呼分组编号与所述第二计算单元所计算出的所述第二级寻呼分组编号是否一致；以及
信息解码单元，其在所述指示信息中包含的所述第一级寻呼分组编号与所述第一计算单元所计算出的所述第一级寻呼分组编号一致并且所述指示信息中包含的所述第二级寻呼分组编号与所述第二计算单元所计算出的所述第二级寻呼分组编号一致的情况下，对所述基站发送的下行数据信道进行解码以确定所述用户设备是否被寻呼。
根据本发明实施例的第三个方面，提供一种寻呼用户设备的方法，包括：
发送用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
其中，所述第一级寻呼分组编号基于用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数而得到，所述第二级寻呼分组编号基于移动管理实体分配给所述用户设备的网络标识而得到。
根据本发明实施例的第四个方面，提供一种寻呼用户设备的装置，配置于基站中，所述装置包括：
信息发送单元，其发送用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
其中，所述第一级寻呼分组编号基于用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数而得到，所述第二级寻呼分组编号基于移动管理实体分配给所述用户设备的网络标识而得到。
根据本发明实施例的第五个方面，提供一种寻呼用户设备的方法，包括：
为附着在移动管理实体下的用户设备分配网络标识；
其中，所述网络标识使得属于相同的第一级寻呼分组的多个用户设备被均匀分布在不同的第二级寻呼分组内；所述第一级寻呼分组基于所述多个用户设备的固有标识，或者所述多个用户设备的固有标识和网络配置参数而形成。
根据本发明实施例的第六个方面，提供一种寻呼用户设备的装置，配置于移动管理实体中，所述装置包括：
标识分配单元，其为附着在所述移动管理实体下的用户设备分配网络标识；
其中，所述网络标识使得属于相同的第一级寻呼分组的多个用户设备被均匀分布在不同的第二级寻呼分组内；所述第一级寻呼分组基于所述多个用户设备的固有标识，或者所述多个用户设备的固有标识和网络配置参数而形成。
根据本发明实施例的第七个方面，提供一种通信***，所述通信***包括：
用户设备，配置有如上第二方面所述的寻呼用户设备的装置；
基站，配置有如上第四方面所述的寻呼用户设备的装置；
MME，配置有如上第六方面所述的寻呼用户设备的装置。
本发明实施例的有益效果在于：基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，并基于网络分配给用户设备的网络标识划分第二级寻呼分组；由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。
参照后文的说明和附图，详细公开了本发明的特定实施方式，指明了本发明的原理可以被采用的方式。应该理解，本发明的实施方式在范围上并不因而受到限制。在所附权利要求的精神和条款的范围内，本发明的实施方式包括许多改变、修改和等同。
针对一种实施方式描述和/或示出的特征可以以相同或类似的方式在一个或更多个其它实施方式中使用，与其它实施方式中的特征相组合，或替代其它实施方式中的特征。
应该强调，术语“包括/包含”在本文使用时指特征、整件、步骤或组件的存在，但并不排除一个或更多个其它特征、整件、步骤或组件的存在或附加。
附图说明
参照以下的附图可以更好地理解本发明的很多方面。附图中的部件不是成比例绘制的，而只是为了示出本发明的原理。为了便于示出和描述本发明的一些部分，附图中对应部分可能被放大或缩小。
在本发明的一个附图或一种实施方式中描述的元素和特征可以与一个或更多个其它附图或实施方式中示出的元素和特征相结合。此外，在附图中，类似的标号表示几个附图中对应的部件，并可用于指示多于一种实施方式中使用的对应部件。
图1是本发明实施例1的寻呼用户设备的方法的一示意图；
图2是本发明实施例1的寻呼用户设备的方法的另一示意图；
图3是本发明实施例2的寻呼用户设备的方法的一示意图；
图4是本发明实施例2的寻呼用户设备的方法的另一示意图；
图5是本发明实施例2的寻呼用户设备的方法的另一示意图；
图6是本发明实施例3的寻呼用户设备的方法的一示意图；
图7是本发明实施例3的分配S-TMSI的方法的一示意图；
图8是本发明实施例4的寻呼用户设备的装置的一示意图；
图9是本发明实施例4的用户设备的一示意图；
图10是本发明实施例5的寻呼用户设备的装置的一示意图；
图11是本发明实施例5的寻呼用户设备的装置的另一示意图；
图12是本发明实施例5的寻呼用户设备的装置的另一示意图；
图13是本发明实施例5的基站的一示意图；
图14是本发明实施例6的寻呼用户设备的装置的一示意图；
图15是本发明实施例6的寻呼用户设备的装置的另一示意图；
图16是本发明实施例6的寻呼用户设备的装置的另一示意图；
图17是本发明实施例6的标识分配单元的一示意图；
图18是本发明实施例6的MME的一示意图；
图19是本发明实施例7的通信***的一示意图。
具体实施方式
参照附图，通过下面的说明书，本发明的前述以及其它特征将变得明显。在说明书和附图中，具体公开了本发明的特定实施方式，其表明了其中可以采用本发明的原则的部分实施方式，应了解的是，本发明不限于所描述的实施方式，相反，本发明包括落入所附权利要求的范围内的全部修改、变型以及等同物。
对于“虚假寻呼”，可以考虑采用扩展用户设备寻呼周期的方法，尽量节省用户设备的电量。但是，并不是所有的IoT业务的时延要求都允许使用扩展的寻呼周期。针对这类业务，还可以采用对用户设备进行分组的方法；每次寻呼时在PDCCH的DCI中指示本次寻呼的用户设备所属的寻呼分组(paging group)。对于某个PO内的用户设备，只有被指示的寻呼分组内的用户设备才会解码PDSCH，这样就大大降低了“虚假寻呼”的概率。
小区内用户设备的分组方法有很多，通常的分组方法是根据用户设备的IMSI决定其所属的寻呼分组号，其中网络中寻呼分组的组数可以由网络配置。但是，在这种通常的寻呼分组方法中，由于IMSI是随机分配且固化在用户设备内的，分组后某个PO内的各个寻呼分组内真正存在的用户设备数目可能不均等。
在特殊情况下，某个PO内的用户设备数目在寻呼分组间的分配极其不均匀，造成该PO某个分组内的用户设备数目远大于该PO内其他分组的用户设备数目。这个用户设备数目较多的寻呼分组在该PO下仍然具有很高的“虚假寻呼”概率。当同一PO内的不同寻呼分组间用户设备数目相同时，该PO具有最小的“虚假寻呼”概率；上述通常的寻呼组分组方法不能保证这一点，造成某个PO仍有可能具有较高的“虚假寻呼”概率，部分用户设备的耗电显著增加。
因此，在本发明中基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，并基于网络分配给用户设备的网络标识划分第二级寻呼分组；由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。
以下以NB-IoT和LTE为例对本发明实施例进行详细说明，但本发明不限于此，还可以适用于其他的通信***。只要用户设备数目较多且需要寻呼用户设备的通信***，均可以使用本发明。
实施例1
本发明实施例提供一种寻呼用户设备的方法。图1是本发明实施例的寻呼用户设备的方法的一示意图，从用户设备侧进行说明。如图1所示，所述方法包括：
步骤101，用户设备基于该用户设备的固有标识，或者该用户设备的固有标识和网络配置参数计算该用户设备的第一级寻呼分组编号；
步骤102，用户设备基于MME分配给该用户设备的网络标识计算该用户设备的第二级寻呼分组编号；
步骤103，用户设备接收基站发送的用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
步骤104，用户设备确定指示信息中包含的第一级寻呼分组编号与计算出的第一级寻呼分组编号是否一致，以及指示信息中包含的第二级寻呼分组编号与计算出的第二级寻呼分组编号是否一致；以及
步骤105，用户设备在指示信息中包含的第一级寻呼分组编号与计算出的第一级寻呼分组编号一致并且指示信息中包含的第二级寻呼分组编号与计算出的第二级寻呼分组编号一致的情况下，对基站发送的下行数据信道进行解码以确定该用户设备是否被寻呼。
在本实施例中，该用户设备例如可以是窄带物联网的终端，但本发明不限于此，例如该用户设备还可以是其他网络***的终端。本发明实施例仅以窄带物联网为例进行说明，但并不限于此，可以适用于任何进行用户设备寻呼的***。
此外，本发明实施例的基站可以为宏基站(例如eNB)，用户设备由该宏基站产生的宏小区(例如Macro cell)提供服务；本发明实施例的基站也可以为微基站，用户设备由该微基站产生的微小区(例如Pico cell)提供服务。本发明实施例不限于此，可以根据实际的需要确定具体的场景。
在本实施例中，用户设备的固有标识可以为IMSI，用户设备的网络标识可以为临时移动用户标识(S-TMSI，SAE-Temporary Mobile Subscriber Identity)；该网络配 置参数可以为表示小区在一个寻呼周期内PO的数目nB。
以下仅以IMSI、S-TMSI和nB为例进行说明。但本发明不限于此，还可以是其他的标识或参数，例如S-TMSI还可以由全球唯一临时用户设备表示(GUTI，Globally Unique Temporary User Equipment Identity)代替。此外，用户设备可以通过***参数(SI，System Information)等获得这些标识或参数，关于具体如何获得IMSI、S-TMSI以及nB等可以参考现有技术。
在本实施例中，可以通过如下公式计算第一级寻呼分组编号：
UE_ID＝IMSI mod 1024；
Paging_GroupID＝UE_ID div nB，或者Paging_GroupID＝floor(UE_ID/nB)；
其中，Paging_GroupID为该第一级寻呼分组编号，IMSI为该国际移动用户标识码，nB为该网络配置参数；mod表示模运算，div表示取商运算，floor表示向下取整运算。
此外，可以通过如下公式计算第二级寻呼分组编号：
S-TMSI_GroupID＝S-TMSI mod 2^M；
其中，S-TMSI_GroupID为该第二级寻呼分组编号，S-TMSI为该临时移动用户标识，M为预先规定的S-TMSI分组使用的比特数；mod表示模运算。
在本实施例中，发明人考虑现有技术中计算PF和PO的公式时，发现如下规律：
Figure PCTCN2015097866-appb-000001
整个寻呼周期内，共有nB个PO，每个PO内共有1024/nB个不同的UE_ID；
Figure PCTCN2015097866-appb-000002
每个PO内可能的UE_ID值的之间相差nB，即某个PO内可能出现的UE_ID包括{i,i+nB,i+2*nB,i+3*nB,i+4*nB,….}，i＝0,1,2,…nB-1。
同时，注意到虽然用户设备的IMSI不是由网络分配的，但是用户设备的S-TMSI是由网络的MME在附着过程中分配给UE的。所以，可以认为所有用户设备拥有网络分配的在MME内特有的网络标识S-TMSI。MME在分配用户设备的S-TMSI时可以增加一定的特征，保证分配在同一寻呼组内的用户设备数目相同或相近。
在本实施例中，该指示信息可以包含在PDCCH的DCI中，用户设备可以通过侦听PDCCH的DCI而获得该指示信息；或者该指示信息也可以包含在***信息中，用户设备通过接收基站发送的***信息而获得该指示信息。以下以PDCCH和PDSCH为例进行说明，但本发明不限于此。例如PDCCH还可以由ePDCCH、M-PDCCH等代替。
图2是本发明实施例的寻呼用户设备的方法的另一示意图，如图2所示，所述方法包括：
步骤201，用户设备基于该用户设备的固有标识，或者该用户设备的固有标识和网络配置参数计算该用户设备的第一级寻呼分组编号；
在本实施方式中，可以仅基于IMSI计算第一级寻呼分组编号，例如将UE_ID＝IMSI mod 1024作为第一级寻呼分组编号。或者还可以基于IMSI和nB计算第一级寻呼分组编号，例如将Paging_GroupID＝UE_ID div nB＝(IMSI mod 1024)div nB作为第一级寻呼分组编号；Paging_GroupID的取值范围是{0,1,2,3,…,1024/nB-1}。
步骤202，用户设备基于MME分配给该用户设备的网络标识计算该用户设备的第二级寻呼分组编号；
在本实施方式中，可以将S-TMSI_GroupID＝S-TMSI mod 2^M作为第二级寻呼分组编号，其中关于S-TMSI的分配可以参考后述的实施例3。
步骤203，用户设备接收基站发送的用于指示寻呼分组编号的指示信息；该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
在本实施方式中，可以在指示寻呼消息的PDCCH的DCI内增加如下两个字段，分别指示被寻呼的用户设备所属的第一级寻呼分组的组编号和第二级寻呼分组的组编号，用户设备的寻呼分组编号由两级寻呼分组编号共同决定。
Figure PCTCN2015097866-appb-000003
Paging_GroupID字段：该字段表示被寻呼的用户设备所属的第一级寻呼分组的组编号，该组编号的计算例如与用户设备的IMSI及网络配置的nB参数相关。该字段的比特数目可以是固定，也可以是变化的，但至少应该包含log2(1024/nB)个比特。
Figure PCTCN2015097866-appb-000004
S-TMSI_GroupID字段：该字段表示被寻呼的用户设备所属的第二级寻呼分组的组编号，该组编号的计算例如与用户设备的S-TMSI(或GUTI)相关。该字段的比特数为M。
此外，基站还可以向用户设备发送周期信息，该周期信息用于指示在接收到寻呼消息之后的多个寻呼周期内不需在自己的PO监听寻呼。例如，PDCCH的DCI内还可以包括如下字段：
Figure PCTCN2015097866-appb-000005
PO_Skip_Number字段：该字段表示被寻呼的用户设备在接收到寻呼消息之后的连续PO_Skip_Number个寻呼周期内不会出现业务达到，用户设备不需要 在PO监听PDCCH。
在本实施例中，指示信息中包含的第一级寻呼分组的组编号和第二级寻呼分组的组编号可以由基站计算而得到，也可以由MME计算而得到，具体可以如后面的实施例2和3所述。
步骤204，用户设备判断该指示信息中包含的信息是否与计算出的编号一致，即该指示信息中包含的第一级寻呼分组编号是否与步骤201中计算出的该第一级寻呼分组编号一致，以及该指示信息中包含的第二级寻呼分组编号是否与步骤202中计算出的该第二级寻呼分组编号一致；在均一致的情况下执行步骤205，在不是的情况下用户设备不对相应的PDSCH进行解码。
在本实施方式中，用户设备可以侦听PDCCH中DCI内的Paging_GroupID字段和S-TMSI_GroupID字段，如果这两个字段指示的两级寻呼分组编号与用户设备计算的编号(即步骤201和步骤202中计算的编号)都相同，则表示PDSCH内可能存在该用户设备的寻呼消息，用户设备应解码该PDSCH进一步检查寻呼消息内是否有自己的用户设备标识。否则，如果Paging_GroupID字段和S-TMSI_GroupID字段中至少有一级寻呼分组编号与用户设备自己计算的编号不同，则用户设备不解码PDSCH。
步骤205，用户设备对相应的PDSCH进行解码。
步骤206，用户设备判断解码出的寻呼消息中是否包含该用户设备的标识；在是的情况下执行步骤207，在不是的情况下可以确定该用户设备没有被寻呼。
步骤207，用户设备发起连接建立请求。
在本实施方式中，如果用户设备成功接收到寻呼消息，且在DCI指示中读取到PO_Skip_Number字段，则用户设备可以在接下来的PO_Skip_Number个寻呼周期内不再监听自己PO的PDCCH。
值得注意的是，图1和图2仅示意性地对本发明实施例进行了说明，但本发明不限于此。例如可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。
由上述实施例可知，基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，并基于网络分配给用户设备的网络标识划分第二级寻呼分组；由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。此外，寻呼分配的组数目参数由用户设备已知的参数 nB决定，可以减少单独配置该参数所需的空口信令。
实施例2
本发明实施例提供一种寻呼用户设备的方法，在实施例1的基础上进行进一步说明，与实施例1相同的内容不再赘述。
图3是本发明实施例的寻呼用户设备的方法的一示意图，从基站侧进行说明。如图3所示，所述方法包括：
步骤301，基站向用户设备发送用于指示寻呼分组编号的指示信息；该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
其中，第一级寻呼分组编号基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数而得到，第二级寻呼分组编号基于MME分配给用户设备的网络标识而得到。
在本实施例中，用户设备的固有标识可以为IMSI，用户设备的网络标识可以为S-TMSI，该网络配置参数可以为表示小区在一个寻呼周期内PO的数目nB，但本发明不限于此。此外，可以通过PDCCH的DCI发送该指示信息，或者也可以通过***信息发送该指示信息。
在本实施例中，基站还可以向用户设备发送周期信息，该周期信息用于指示用户设备在接收到寻呼消息之后的多个寻呼周期内不需进行监听。其中，该周期信息可以包含在该指示信息中，例如在PDCCH的DCI中增加PO_Skip_Number字段。
在一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由基站计算后，将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
图4是本发明实施例的寻呼用户设备的方法的另一示意图，从用户设备侧、基站侧和MME侧进行说明。如图4所示，所述方法包括：
步骤401，MME为用户设备分配S-TMSI；
关于MME如何分配S-TMSI可以参考实施例3。
步骤402，MME将S-TMSI发送给基站；
例如，可以在网络附着过程中将S-TMSI发送给基站，但本发明不限于此，可以使用相关的任意方法。
步骤403，基站基于用户设备的IMSI，或者IMSI和nB计算该用户设备的第一 级寻呼分组编号。
在本实施方式中，可以仅基于IMSI计算第一级寻呼分组编号；或者还可以基于IMSI和nB计算第一级寻呼分组编号，例如将Paging_GroupID＝UE_ID div nB＝(IMSI mod 1024)div nB作为第一级寻呼分组编号；Paging_GroupID的取值范围是{0,1,2,3,…,1024/nB-1}。
步骤404，基站基于S-TMSI计算该用户设备的第二级寻呼分组编号。
在本实施方式中，可以将S-TMSI_GroupID＝S-TMSI mod 2^M作为第二级寻呼分组编号。
步骤405，基站向用户设备发送用于指示寻呼分组编号的指示信息；该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号。
在另一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由MME计算后发送给基站，基站将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
图5是本发明实施例的寻呼用户设备的方法的另一示意图，从用户设备侧、基站侧和MME侧进行说明。如图5所示，所述方法包括：
步骤501，MME为用户设备分配S-TMSI；
关于MME如何分配S-TMSI可以参考实施例3。
步骤502，MME基于用户设备的IMSI，或者IMSI和nB计算该用户设备的第一级寻呼分组编号。
在本实施方式中，可以仅基于IMSI计算第一级寻呼分组编号；或者还可以基于IMSI和nB计算第一级寻呼分组编号，例如将Paging_GroupID＝UE_ID div nB＝(IMSI mod 1024)div nB作为第一级寻呼分组编号；Paging_GroupID的取值范围是{0,1,2,3,…,1024/nB-1}。
步骤503，MME基于S-TMSI计算该用户设备的第二级寻呼分组编号。
在本实施方式中，可以将S-TMSI_GroupID＝S-TMSI mod 2^M作为第二级寻呼分组编号。
步骤504，MME将第一级寻呼分组编号和第二级寻呼分组编号发送给基站。
步骤505，基站向用户设备发送用于指示寻呼分组编号的指示信息；该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号。
值得注意的是，图4和图5仅示意性地对本发明实施例进行了说明，但本发明不限于此。例如可以适当地调整各个步骤之间的执行顺序，此外还可以增加其他的一些步骤或者减少其中的某些步骤。
由上述实施例可知，基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，并基于网络分配给用户设备的网络标识划分第二级寻呼分组；由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。此外，寻呼分配的组数目参数由用户设备已知的参数nB决定，可以减少单独配置该参数所需的空口信令。
实施例3
本发明实施例提供一种寻呼用户设备的方法，在实施例1和2的基础上进行进一步说明，与实施例1和2相同的内容不再赘述。
图6是本发明实施例的寻呼用户设备的方法的一示意图，从MME侧进行说明。如图6所示，所述方法包括：
步骤601，MME为附着在该MME下的用户设备分配网络标识；
其中，该网络标识使得属于相同的第一级寻呼分组的多个用户设备被均匀分布在不同的第二级寻呼分组内；该第一级寻呼分组基于多个用户设备的固有标识，或者多个用户设备的固有标识和网络配置参数而形成。
在本实施例中，用户设备的固有标识可以为IMSI，用户设备的网络标识可以为S-TMSI，该网络配置参数可以为表示小区在一个寻呼周期内PO的数目nB，但本发明不限于此。
在本实施例中，为保证同一个PO内不同寻呼分组间的用户设备数目相同或相近，MME在给用户设备分配S-TMSI时，应保证属于相同的第一级寻呼分组的附着在该MME下的用户设备均匀分布在不同的第二级寻呼分组内。
在本实施例中，MME分配S-TMSI时可以控制S-TMSI的最低M位比特。MME存储2^L个变量S-TMSI_GroupID[i]，其中i＝0,1,2,3,…2^L-1；L为预设值；这些变量的初始值例如都是0。
图7是本发明实施例的分配S-TMSI的一示意图，如图7所示，每当为某个用户设备分配S-TMSI时，MME进行如下的步骤：
步骤701，MME确定用户设备的IMSI中的L个比特；其中该L个比特组成的数值为temp，并且该temp对应一变量S-TMSI_Group[temp]；
步骤702，MME产生一个满足如下条件的S-TMSI：
S-TMSI mod 2^M＝S-TMSI_Group[temp]；M为预先规定的S-TMSI分组使用的比特数，mod表示模运算；其中，MME可以依次不断地随机产生S-TMSI，直到获得满足上述条件的S-TMSI。
步骤703，MME将该S-TMSI分配给用户设备；
步骤704，MME将该S-TMSI_Group[temp]进行更新；
例如，S-TMSI_Group[temp]＝S-TMSI_Group[temp]+1。如果S-TMSI_Group[temp]更新后的值等于2^M，则可以将该S-TMSI_Group[temp]重置为0。
在本实施例中，在IMSI中选择特定的L个比特时，这L个比特可以是在IMSI的所有比特中连续选取的，也可以是不连续选取的，L比特的位置可以由协议规定。
在一个实施方式中，在第一级寻呼分组基于多个用户设备的固有标识和网络配置参数而形成的情况下，可以选取IMSI中的最低10个比特。
其中，UE_ID＝IMSI mod 2^L；
Paging_GroupID＝UE_ID div nB，或者Paging_GroupID＝floor(UE_ID/nB)；
Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，nB为所述网络配置参数；mod表示模运算，div表示取商运算，floor表示向下取整运算。
在另一个实施方式中，在第一级寻呼分组基于多个用户设备的固有标识而形成的情况下，可以选取IMSI中的最低10个比特以及从低到高的第log2P+1位到第log2(G*P)位；
其中，Paging_GroupID＝(IMSI mod G*P)/P；
G、P为预设值并且P>＝1024；Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，mod表示模运算。
例如，G＝4，P＝2048，则Paging_GroupID＝(IMSI mod 4*2048)/2048，应该选取IMSI中最低10位以及从低到高的第12位和第13位，即从IMSI中共选取12个比特(L＝12)。
由此，MME在分配用户设备的S-TMSI时可以增加一定的特征，可以保证分配在同一寻呼组内的用户设备数目相同或相近。
在一个实施方式中，MME可以将S-TMSI发送给基站；第一级寻呼分组编号和第二级寻呼分组编号可以由基站计算后，由基站将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
在另一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由MME计算后发送给基站，基站将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。关于如何计算第一级寻呼分组编号和第二级寻呼分组编号，可以参考实施例1和2。
由上述实施例可知，MME分配网络标识时可以控制网络标识的最低M位比特；并且基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，基于网络分配给用户设备的网络标识划分第二级寻呼分组。由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。此外，寻呼分配的组数目参数由用户设备已知的参数nB决定，可以减少单独配置该参数所需的空口信令。
实施例4
本发明实施例提供一种寻呼用户设备的装置，配置于用户设备中，本发明实施例对应于实施例1，与实施例1相同的内容不再赘述。
图8是本发明实施例的寻呼用户设备的装置的一示意图，如图8所示，寻呼用户设备的装置800包括：
第一计算单元801，其基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数计算该用户设备的第一级寻呼分组编号；
第二计算单元802，其基于MME分配给该用户设备的网络标识计算该用户设备的第二级寻呼分组编号；
信息接收单元803，其接收基站发送的用于指示寻呼分组编号的指示信息；该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
信息确定单元804，其确定指示信息中包含的第一级寻呼分组编号与第一计算单元801计算出的第一级寻呼分组编号是否一致，以及指示信息中包含的第二级寻呼分组编号与第二计算单元802计算出的第二级寻呼分组编号是否一致；以及
信息解码单元805，其在指示信息中包含的第一级寻呼分组编号与第一计算单元 801计算的第一级寻呼分组编号一致并且指示信息中包含的第二级寻呼分组编号与第二计算单元802计算出的第二级寻呼分组编号一致的情况下，对基站发送的下行数据信道进行解码以确定该用户设备是否被寻呼。
在本实施例中，用户设备的固有标识可以为IMSI，用户设备的网络标识可以为S-TMSI；网络配置参数可以为表示小区在一个寻呼周期内PO的数目nB。
在本实施例中，第一计算单元801可以通过如下公式计算第一级寻呼分组编号：
UE_ID＝IMSI mod 1024；
Paging_GroupID＝UE_ID div nB，或者Paging_GroupID＝floor(UE_ID/nB)；
其中，Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，nB为网络配置参数；mod表示模运算，div表示取商运算，floor表示向下取整运算。
在本实施例中，第二计算单元802可以通过如下公式计算第二级寻呼分组编号：
S-TMSI_GroupID＝S-TMSI mod 2^M；
其中，S-TMSI_GroupID为第二级寻呼分组编号，S-TMSI为临时移动用户标识，M为预先规定的S-TMSI分组使用的比特数；mod表示模运算。
在本实施例中，信息接收单元803可以通过侦听PDCCH的DCI而获得该指示信息，或者通过接收基站发送的***信息而获得该指示信息。该下行数据信道可以为PDSCH。
在本实施例中，信息接收单元803还可以用于接收基站发送的周期信息，该周期信息用于指示在接收到寻呼消息之后的多个寻呼周期内不需进行监听。
本实施例还提供一种用户设备，配置有如上所述的寻呼用户设备的装置800。
图9是本发明实施例的用户设备的一示意图。如图9所示，该用户设备900可以包括中央处理器100和存储器140；存储器140耦合到中央处理器100。值得注意的是，该图是示例性的；还可以使用其他类型的结构，来补充或代替该结构，以实现电信功能或其他功能。
在一个实施方式中，寻呼用户设备的装置800的功能可以被集成到中央处理器100中。其中，中央处理器100可以被配置为实现实施例1中所述的寻呼用户设备的方法。
例如，中央处理器100可以被配置为进行如下的控制：基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数计算用户设备的第一级寻呼分组编号；基于 MME分配给用户设备的网络标识计算用户设备的第二级寻呼分组编号；接收基站发送的用于指示寻呼分组编号的指示信息，该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；确定指示信息中包含的第一级寻呼分组编号与计算出的第一级寻呼分组编号是否一致，以及指示信息中包含的第二级寻呼分组编号与计算出的第二级寻呼分组编号是否一致；以及在指示信息中包含的第一级寻呼分组编号与计算出的第一级寻呼分组编号一致并且指示信息中包含的第二级寻呼分组编号与计算出的第二级寻呼分组编号一致的情况下，对基站发送的下行数据信道进行解码以确定用户设备是否被寻呼。
在另一个实施方式中，寻呼用户设备的装置800可以与中央处理器100分开配置，例如可以将寻呼用户设备的装置800配置为与中央处理器100连接的芯片，通过中央处理器100的控制来实现寻呼用户设备的装置800的功能。
如图9所示，该用户设备900还可以包括：通信模块110、输入单元120、音频处理单元130、存储器140、照相机150、显示器160、电源170。其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，用户设备900也并不是必须要包括图9中所示的所有部件，上述部件并不是必需的；此外，用户设备900还可以包括图9中没有示出的部件，可以参考现有技术。
由上述实施例可知，基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，并基于网络分配给用户设备的网络标识划分第二级寻呼分组；由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。此外，寻呼分配的组数目参数由用户设备已知的参数nB决定，可以减少单独配置该参数所需的空口信令。
实施例5
本发明实施例提供一种寻呼用户设备的装置，配置于基站中，本发明实施例对应于实施例2，与实施例1和2相同的内容不再赘述。
图10是本发明实施例的寻呼用户设备的装置的一示意图，如图10所示，寻呼用户设备的装置1000包括：
信息发送单元1001，其发送用于指示寻呼分组编号的指示信息；该寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
其中，第一级寻呼分组编号基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数而得到，第二级寻呼分组编号基于MME分配给用户设备的网络标识而得到。
在本实施例中，用户设备的固有标识可以为IMSI，用户设备的网络标识可以为S-TMSI；网络配置参数可以为表示小区在一个寻呼周期内PO的数目nB。
在一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由基站计算后，将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
图11是本发明实施例的寻呼用户设备的装置的另一示意图，如图11所示，寻呼用户设备的装置1100包括：信息发送单元1001，如上所述。
如图11所示，寻呼用户设备的装置1100还可以包括：
标识接收单元1101，接收MME发送的网络标识；
第三计算单元1102，其基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数计算用户设备的第一级寻呼分组编号；
第四计算单元1103，其基于网络标识计算用户设备的第二级寻呼分组编号。
在另一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由MME计算后发送给基站，基站将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
图12是本发明实施例的寻呼用户设备的装置的另一示意图，如图12所示，寻呼用户设备的装置1200包括：信息发送单元1001，如上所述。
如图12所示，寻呼用户设备的装置1200还可以包括：
编号接收单元1201，接收MME发送的第一级寻呼分组编号和第二级寻呼分组编号。
在本实施例中，信息发送单元1001还可以用于发送周期信息，该周期信息用于指示用户设备在接收到寻呼消息之后的多个寻呼周期内不需进行监听。
本实施例还提供一种基站，配置有如上所述的寻呼用户设备的装置1000、1100或1200。
图13是本发明实施例的基站的一构成示意图。如图13所示，基站1300可以包括：中央处理器(CPU)200和存储器210；存储器210耦合到中央处理器200。其中该存储器210可存储各种数据；此外还存储信息处理的程序，并且在中央处理器 200的控制下执行该程序。
其中，基站1300可以实现如实施例2所述的寻呼用户设备的方法。中央处理器200可以被配置为实现寻呼用户设备的装置1000、1100或1200的功能。
例如，中央处理器200可以被配置为进行如下控制：发送用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；其中，第一级寻呼分组编号基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数而得到，第二级寻呼分组编号基于MME分配给用户设备的网络标识而得到。
此外，如图13所示，基站1300还可以包括：收发机220和天线230等；其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，基站1300也并不是必须要包括图13中所示的所有部件；此外，基站1300还可以包括图13中没有示出的部件，可以参考现有技术。
由上述实施例可知，基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，并基于网络分配给用户设备的网络标识划分第二级寻呼分组；由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。此外，寻呼分配的组数目参数由用户设备已知的参数nB决定，可以减少单独配置该参数所需的空口信令。
实施例6
本发明实施例提供一种寻呼用户设备的装置，配置于MME中，本发明实施例对应于实施例3，与实施例1至3相同的内容不再赘述。
图14是本发明实施例的寻呼用户设备的装置的一示意图，如图14所示，寻呼用户设备的装置1400包括：
标识分配单元1401，其为附着在该MME下的用户设备分配网络标识；
其中，该网络标识使得属于相同的第一级寻呼分组的多个用户设备被均匀分布在不同的第二级寻呼分组内；该第一级寻呼分组基于多个用户设备的固有标识，或者多个用户设备的固有标识和网络配置参数而形成。
在本实施例中，用户设备的固有标识可以为IMSI，用户设备的网络标识可以为S-TMSI；网络配置参数可以为表示小区在一个寻呼周期内PO的数目nB。
在一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由基站计算 后，将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
图15是本发明实施例的寻呼用户设备的装置的另一示意图，如图15所示，寻呼用户设备的装置1500包括：标识分配单元1401，如上所述。
如图15所示，寻呼用户设备的装置1500还可以包括：
标识发送单元1501，其将分配给用户设备的网络标识发送给基站。
在另一个实施方式中，第一级寻呼分组编号和第二级寻呼分组编号可以由MME计算后发送给基站，基站将该第一级寻呼分组编号和第二级寻呼分组编号包含在例如PDCCH的DCI中。
图16是本发明实施例的寻呼用户设备的装置的另一示意图，如图16所示，寻呼用户设备的装置1600包括：标识分配单元1401，如上所述。
如图16所示，寻呼用户设备的装置1600还可以包括：
第五计算单元1601，其基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数计算用户设备的第一级寻呼分组编号；
第六计算单元1602，其基于网络标识计算用户设备的第二级寻呼分组编号；
编号发送单元1603，其将第一级寻呼分组编号和第二级寻呼分组编号发送给基站。
图17是本发明实施例的标识分配单元的一示意图，如图17所示，标识分配单元1401可以包括：
比特确定单元1701，确定用户设备的IMSI中的L个比特；其中该L个比特组成的数值为temp，并且该temp对应一变量S-TMSI_Group[temp]，L为预设值；
标识产生单元1702，产生一个满足如下条件的S-TMSI：
S-TMSI mod 2^M＝S-TMSI_Group[temp]；其中，M为预先规定的S-TMSI分组使用的比特数，mod表示模运算；
标识确定单元1703，将该S-TMSI分配给该用户设备；以及
变量更新单元1704，将S-TMSI_Group[temp]进行更新；例如加1。
如图17所示，标识分配单元1401还可以包括：
变量存储单元1705，其存储2^L个变量S-TMSI_GroupID[i]，其中i＝0,1,2,3,…2^L-1；
初始化单元1706，其对S-TMSI_GroupID[i]进行初始化；例如均初始化为0；以 及在变量更新单元1704将S-TMSI_Group[temp]更新后的值等于2^M的情况下，重置S-TMSI_Group[temp]，例如重置为0。
在一个实施方式中，比特确定单元1701用于：在第一级寻呼分组基于多个用户设备的固有标识和网络配置参数而形成的情况下，选取IMSI中的最低10个比特；
其中，UE_ID＝IMSI mod 1024；
Paging_GroupID＝UE_ID div nB，或者Paging_GroupID＝floor(UE_ID/nB)；
Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，nB为所述网络配置参数；mod表示模运算，div表示取商运算，floor表示向下取整运算。
在另一个实施方式中，比特确定单元1702用于：在第一级寻呼分组基于多个用户设备的固有标识而形成的情况下，选取IMSI中的最低10个比特以及从低到高的第log2P+1位到第log2(G*P)位；
其中，Paging_GroupID＝(IMSI mod G*P)/P；
G、P为预设值并且P>＝1024；Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，mod表示模运算。
本实施例还提供一种MME，配置有如上所述的寻呼用户设备的装置1400、1500或1600。
图18是本发明实施例的MME的一构成示意图。如图18所示，MME 1800可以包括：中央处理器(CPU)300和存储器310；存储器310耦合到中央处理器300。其中该存储器310可存储各种数据；此外还存储信息处理的程序，并且在中央处理器300的控制下执行该程序。
其中，MME 1800可以实现如实施例3所述的寻呼用户设备的方法。中央处理器300可以被配置为实现寻呼用户设备的装置1400、1500或1600的功能。
例如，中央处理器300可以被配置为进行如下控制：为附着在该MME下的用户设备分配网络标识；其中，所述网络标识使得属于相同的第一级寻呼分组的多个用户设备被均匀分布在不同的第二级寻呼分组内；第一级寻呼分组基于多个用户设备的固有标识，或者多个用户设备的固有标识和网络配置参数而形成。
此外，如图18所示，MME 1800还可以包括：输入/输出接口320等；其中，上述部件的功能与现有技术类似，此处不再赘述。值得注意的是，MME 1800也并不是必须要包括图18中所示的所有部件；此外，MME 1800还可以包括图18中没有示出 的部件，可以参考现有技术。
由上述实施例可知，MME分配网络标识时可以控制网络标识的最低M位比特；并且基于用户设备的固有标识，或者用户设备的固有标识和网络配置参数划分第一级寻呼分组，基于网络分配给用户设备的网络标识划分第二级寻呼分组。由此，不同寻呼分组间能够尽量具有相同或相近的用户设备数目，可以降低整个小区“虚假寻呼”的概率。此外，寻呼分配的组数目参数由用户设备已知的参数nB决定，可以减少单独配置该参数所需的空口信令。
实施例7
本发明实施例还提供一种通信***，与实施例1至6相同的内容不再赘述。
图19是本发明实施例的通信***的一示意图，如图19所示，通信***1900包括：用户设备1901、基站1902和MME1903。
其中，用户设备1901可以如实施例4所述，基站1902可以如实施例5所述，MME 1903可以如实施例6所述。
本发明实施例还提供一种计算机可读程序，其中当在用户设备中执行所述程序时，所述程序使得计算机在所述用户设备中执行实施例1所述的寻呼用户设备的方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在用户设备中执行实施例1所述的寻呼用户设备的方法。
本发明实施例还提供一种计算机可读程序，其中当在基站中执行所述程序时，所述程序使得计算机在所述基站中执行实施例2所述的寻呼用户设备的方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在基站中执行实施例2所述的寻呼用户设备的方法。
本发明实施例还提供一种计算机可读程序，其中当在MME中执行所述程序时，所述程序使得计算机在所述MME中执行实施例3所述的寻呼用户设备的方法。
本发明实施例还提供一种存储有计算机可读程序的存储介质，其中所述计算机可读程序使得计算机在MME中执行实施例3所述的寻呼用户设备的方法。
本发明以上的装置和方法可以由硬件实现，也可以由硬件结合软件实现。本发明涉及这样的计算机可读程序，当该程序被逻辑部件所执行时，能够使该逻辑部件实现 上文所述的装置或构成部件，或使该逻辑部件实现上文所述的各种方法或步骤。本发明还涉及用于存储以上程序的存储介质，如硬盘、磁盘、光盘、DVD、flash存储器等。
针对附图中描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，可以实现为用于执行本申请所描述功能的通用处理器、数字信号处理器(DSP)、专用集成电路(ASIC)、现场可编程门阵列(FPGA)或者其它可编程逻辑器件、分立门或者晶体管逻辑器件、分立硬件组件或者其任意适当组合。针对附图描述的功能方框中的一个或多个和/或功能方框的一个或多个组合，还可以实现为计算设备的组合，例如，DSP和微处理器的组合、多个微处理器、与DSP通信结合的一个或多个微处理器或者任何其它这种配置。
以上结合具体的实施方式对本发明进行了描述，但本领域技术人员应该清楚，这些描述都是示例性的，并不是对本发明保护范围的限制。本领域技术人员可以根据本发明的精神和原理对本发明做出各种变型和修改，这些变型和修改也在本发明的范围内。

Claims (20)

  1. 一种寻呼用户设备的装置，配置于用户设备中，所述装置包括：
    第一计算单元，其基于所述用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数计算所述用户设备的第一级寻呼分组编号；
    第二计算单元，其基于移动管理实体分配给所述用户设备的网络标识计算所述用户设备的第二级寻呼分组编号；
    信息接收单元，其接收基站发送的用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
    信息确定单元，其确定所述指示信息中包含的所述第一级寻呼分组编号与所述第一计算单元计算出的所述第一级寻呼分组编号是否一致，以及所述指示信息中包含的所述第二级寻呼分组编号与所述第二计算单元计算出的所述第二级寻呼分组编号是否一致；以及
    信息解码单元，其在所述指示信息中包含的所述第一级寻呼分组编号与所述第一计算单元计算出的所述第一级寻呼分组编号一致并且所述指示信息中包含的所述第二级寻呼分组编号与所述第二计算单元计算出的所述第二级寻呼分组编号一致的情况下，对所述基站发送的下行数据信道进行解码以确定所述用户设备是否被寻呼。
  2. 根据权利要求1所述的装置，其中，所述用户设备的固有标识为国际移动用户标识码，所述网络标识为临时移动用户标识；所述网络配置参数为表示小区在一个寻呼周期内寻呼机会的数目nB。
  3. 根据权利要求2所述的装置，其中，所述第一计算单元通过如下公式计算所述第一级寻呼分组编号：
    UE_ID＝IMSI mod 1024；
    Paging_GroupID＝UE_ID div nB，或者Paging_GroupID＝floor(UE_ID/nB)；
    其中，Paging_GroupID为所述第一级寻呼分组编号，IMSI为所述国际移动用户标识码，nB为所述网络配置参数；mod表示模运算，div表示取商运算，floor表示向下取整运算。
  4. 根据权利要求2所述的装置，其中，所述第二计算单元通过如下公式计算所述第二级寻呼分组编号：
    S-TMSI_GroupID＝S-TMSI mod 2^M；
    其中，S-TMSI_GroupID为所述第二级寻呼分组编号，S-TMSI为所述临时移动用户标识，M为预先规定的S-TMSI分组使用的比特数；mod表示模运算。
  5. 根据权利要求1所述的装置，其中，所述信息接收单元通过侦听物理下行控制信道的下行控制信息而获得所述指示信息，或者通过接收所述基站发送的***信息而获得所述指示信息；
    以及所述下行数据信道为物理下行共享信道。
  6. 根据权利要求1所述的装置，其中，所述信息接收单元还用于接收所述基站发送的周期信息，所述周期信息用于指示在接收到寻呼消息之后的多个寻呼周期内不需进行监听。
  7. 一种寻呼用户设备的装置，配置于基站中，所述装置包括：
    信息发送单元，其发送用于指示寻呼分组编号的指示信息；所述寻呼分组编号包括第一级寻呼分组编号和第二级寻呼分组编号；
    其中，所述第一级寻呼分组编号基于用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数而得到，所述第二级寻呼分组编号基于移动管理实体分配给所述用户设备的网络标识而得到。
  8. 根据权利要求7所述的装置，其中，所述装置还包括：
    标识接收单元，接收所述移动管理实体发送的所述网络标识；
    第三计算单元，其基于所述用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数计算所述用户设备的第一级寻呼分组编号；
    第四计算单元，其基于所述网络标识计算所述用户设备的第二级寻呼分组编号。
  9. 根据权利要求7所述的装置，其中，所述装置还包括：
    编号接收单元，接收所述移动管理实体发送的所述第一级寻呼分组编号和所述第二级寻呼分组编号。
  10. 根据权利要求7所述的装置，其中，所述信息发送单元还用于发送周期信息，所述周期信息用于指示所述用户设备在接收到寻呼消息之后的多个寻呼周期内不需进行监听。
  11. 根据权利要求7所述的装置，其中，所述用户设备的固有标识为国际移动用户标识码，所述网络标识为临时移动用户标识；所述网络配置参数为表示小区在一个 寻呼周期内寻呼机会的数目。
  12. 一种寻呼用户设备的装置，配置于移动管理实体中，所述装置包括：
    标识分配单元，其为附着在所述移动管理实体下的用户设备分配网络标识；
    其中，所述网络标识使得属于相同的第一级寻呼分组的多个用户设备被均匀分布在不同的第二级寻呼分组内；所述第一级寻呼分组基于所述多个用户设备的固有标识，或者所述多个用户设备的固有标识和网络配置参数而形成。
  13. 根据权利要求12所述的装置，其中，所述装置还包括：
    标识发送单元，其将分配给所述用户设备的所述网络标识发送给基站。
  14. 根据权利要求12所述的装置，其中，所述装置还包括：
    第五计算单元，其基于所述用户设备的固有标识，或者所述用户设备的固有标识和网络配置参数计算所述用户设备的第一级寻呼分组编号；
    第六计算单元，其基于所述网络标识计算所述用户设备的第二级寻呼分组编号；
    编号发送单元，其将所述第一级寻呼分组编号和所述第二级寻呼分组编号发送给基站。
  15. 根据权利要求12所述的装置，其中，所述固有标识为国际移动用户标识码，所述网络标识为临时移动用户标识；所述网络配置参数为表示小区在一个寻呼周期内寻呼机会的数目。
  16. 根据权利要求15所述的装置，其中，所述标识分配单元包括：
    比特确定单元，其确定所述用户设备的所述国际移动用户标识码中的L个比特；其中，所述L为预设值，所述L个比特组成的数值为temp，并且所述temp对应一变量S-TMSI_Group[temp]；
    标识产生单元，其产生一个满足如下条件的所述临时移动用户标识：S-TMSI mod2^M＝S-TMSI_Group[temp]；其中，所述M为预先规定的S-TMSI分组使用的比特数，mod表示模运算；
    标识确定单元，其将所述S-TMSI分配给所述用户设备；以及
    变量更新单元，其将S-TMSI_Group[temp]进行更新。
  17. 根据权利要求16所述的装置，其中，所述标识分配单元还包括：
    变量存储单元，其存储2^L个变量S-TMSI_GroupID[i]，其中i＝0,1,2,3,…2^L-1；
    初始化单元，其对S-TMSI_GroupID[i]进行初始化；以及在所述变量更新单元将 S-TMSI_Group[temp]更新后的值等于2^M的情况下，重置所述S-TMSI_Group[temp]。
  18. 根据权利要求16所述的装置，其中，所述比特确定单元用于：在所述第一级寻呼分组基于所述多个用户设备的固有标识和网络配置参数而形成的情况下，选取所述国际移动用户标识码中的最低10个比特；
    其中，UE_ID＝IMSI mod 1024；
    Paging_GroupID＝UE_ID div nB，或者Paging_GroupID＝floor(UE_ID/nB)；
    Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，nB为所述网络配置参数；mod表示模运算，div表示取商运算，floor表示向下取整运算。
  19. 根据权利要求16所述的装置，其中，所述比特确定单元用于：在所述第一级寻呼分组基于所述多个用户设备的固有标识而形成的情况下，选取所述国际移动用户标识码中的最低10个比特以及从低到高的第log2P+1位到第log2(G*P)位；
    其中，Paging_GroupID＝(IMSI mod G*P)/P；
    G、P为预设值并且P>＝1024；Paging_GroupID为第一级寻呼分组编号，IMSI为国际移动用户标识码，mod表示模运算。
  20. 一种通信***，所述通信***包括：
    用户设备，其配置有如权利要求1所述的寻呼用户设备的装置；
    基站，其配置有如权利要求7所述的寻呼用户设备的装置；
    移动管理实体，其配置有如权利要求12所述的寻呼用户设备的装置。
PCT/CN2015/097866 2015-12-18 2015-12-18 寻呼用户设备的装置、方法以及通信*** WO2017101102A1 (zh)

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