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 PDFInfo
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- 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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- paging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/005—Transmission of information for alerting of incoming communication
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- 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
Description
Claims (20)
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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。
- 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]。
- 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。
- 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。
- 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。
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