WO2014179985A1 - 扩展寻呼周期下寻呼机会的计算方法和装置 - Google Patents
扩展寻呼周期下寻呼机会的计算方法和装置 Download PDFInfo
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- WO2014179985A1 WO2014179985A1 PCT/CN2013/075465 CN2013075465W WO2014179985A1 WO 2014179985 A1 WO2014179985 A1 WO 2014179985A1 CN 2013075465 W CN2013075465 W CN 2013075465W WO 2014179985 A1 WO2014179985 A1 WO 2014179985A1
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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
- H04W68/10—User notification, e.g. alerting and paging, for incoming communication, change of service or the like using simulcast notification
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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
- H04W68/025—Indirect paging
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/70—Services for machine-to-machine communication [M2M] or machine type communication [MTC]
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] 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
- H04W76/00—Connection management
- H04W76/20—Manipulation of established connections
- H04W76/28—Discontinuous transmission [DTX]; Discontinuous reception [DRX]
-
- 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 communications, and in particular, to a method and apparatus for calculating a paging opportunity in an extended paging cycle. Background technique
- MTC Machine Type Communications
- the paging opportunity refers to a time instance in which it is possible to receive a paging message.
- Time instance The inventor found in the process of implementing the present invention, in the current LTE-A system, the calculation of the paging opportunity and the system superframe number (SFN, Super Frame) Number) has a direct relationship.
- the current system SFN value range is [0, 1023], in other words, the maximum paging period of the UE is 1024 frames. Therefore, in order to support a longer paging cycle, the SFN must be extended.
- the paging cycle of the UE and the system SFN are both extended, if the paging method of the UE is still calculated by the conventional method, an important problem is that the paging opportunity of the UE is not evenly distributed within the range of the extended SFN. It is bound to affect paging performance.
- the UE calculates the subframe number i_s of the paging message by using the formula i_s floorOJEJD ⁇ /N ⁇ nodNs;
- T is a paging period of the UE, and T is equal to a specific discontinuous reception (DRX) value of the UE;
- UE_ID ⁇ IMSI mod (1024.2")
- UE_ID extended is an identity identifier of the UE Bow
- N min(T, nB) ;
- N s max(l, nB / T) nBe ⁇ 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇
- a method for calculating a paging opportunity in an extended paging cycle includes:
- the mobility management entity ( ⁇ ) calculates the UE's identity index UE_ID extended using the formula 13 ⁇ 4-10 plausible exertement1181 (1(1024.2”) ;
- the IMSI is an international mobile subscriber identity code of the UE, and n is a bit number of the extended superframe number (SFN).
- a method for calculating a paging opportunity in an extended paging cycle includes:
- the base station receives the identity identifier UE_ID extended of the UE sent by the MME ;
- the eNB calculates the frame number SFN of the paging message of the UE by using the formula SFNmodT ⁇ TdivN OJE_ID ⁇ modN);
- T is the paging period of the UE, and T is equal to a specific discontinuous reception (DRX) value of the UE;
- N min(T nB);
- N s max(l, nB / T); ⁇ e ⁇ 4 ⁇ ,2 ⁇ , ⁇ , ⁇ /2, ⁇ /4, ⁇ /8, ⁇ /16, ⁇ /32 ⁇
- a user equipment UE
- the UE includes:
- a determining unit configured by using a frame number of the paging message of the UE calculated by the first calculating unit and a subframe number of the paging message of the UE calculated by the second calculating unit The paging opportunity of the UE in the extended paging cycle;
- T is a paging period of the UE, and T is equal to a specific discontinuous reception (DRX) value of the UE;
- UE_ID ⁇ IMSI mod (1024.2")
- UE_ID extended is an identity identifier of the UE Bow
- SFN extended superframe number
- N s max(l,nB / T); nB e ⁇ 4T,2T,T,T/2,T/4,T/8,T/16,T/32 ⁇
- a mobility management entity ( ⁇ ) is provided, where the
- a sending unit configured to send an identity identifier of the UE calculated by the calculating unit to a base station (eNB), so that the eNB calculates a paging opportunity of the UE according to the UE;
- the IMSI is an international mobile subscriber identity code of the UE, and n is a bit number of the extended superframe number (SFN).
- a base station eNB
- the eNB includes: a receiving unit, which receives an identity identifier of the UE sent by the MME, UE_ID extendi; d;
- a determining unit which is determined by using a frame number SFN of the paging message of the UE calculated by the first calculating unit and a subframe number i_s of the paging message of the UE calculated by the second calculating unit a paging opportunity of the UE in an extended paging cycle;
- T is a paging period of the UE, and T is equal to a specific discontinuous reception (DRX) value of the UE;
- N min(T, nB)
- N s max(l, nB / T) nB e ⁇ 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ .
- a communication system includes the UE according to claim 4, the MME according to claim 5, and the eNB according to claim 6.
- a method for calculating a paging opportunity in an extended paging cycle includes:
- UE_ID is an identity identifier of the UE
- IMSI is an international mobile subscriber identity code of the UE
- n is the number of bits of the extended SFN
- N min(T, nB)
- N s max(l, nB / T ) ⁇ ⁇ ⁇ 4 ⁇ , 2 ⁇ , ⁇ , ⁇ /2, ⁇ /4, ⁇ /8, ⁇ /16, ⁇ /32 ⁇ .
- a method for calculating a paging opportunity in an extended paging cycle includes:
- the IMSI is an international mobile subscriber identity code of the UE, where n is the number of bits of the extended SFN. According to a tenth aspect of the embodiments of the present invention, a method for calculating a paging opportunity in an extended paging cycle is provided, where the method includes:
- the eNB receives the relative offset SFN of the index SFN mdex of the extended SFN sent by the MME.
- T is a paging cycle of the UE, and T is equal to a minimum value between a specific discontinuous reception (DRX) value of the UE and a default DR value broadcasted in a system message;
- T extendi; d is a paging period of the extended UE, and T extendi;d is equal to a specific discontinuous reception (DRX) value of the UE;
- UEJD is an identity index of the UE;
- N min(T nB)
- N s max( l, nB / T) ⁇ ⁇ ⁇ ⁇ 4 ⁇ , 2 ⁇ , ⁇ , ⁇ / 2, ⁇ / 4, ⁇ / 8, ⁇ / 16, ⁇ / 32 ⁇
- a user equipment (UE) where the UE includes:
- a first determining unit configured to determine, according to an index SFN of the original SFN and an index SFN mde of the extended SFN calculated by the first calculating unit, a frame number of a paging message of the UE;
- a second determining unit that uses a frame number of the paging message of the UE determined by the first determining unit And a subframe number of the paging message of the UE calculated by the second calculating unit determines a paging opportunity of the UE in an extended paging cycle;
- T is a paging period of the UE, and T is equal to a specific discontinuous reception (DRX) value of the UE and a minimum value of a default DR value broadcasted in a system message;
- T extended is an extended UE Paging period, and T extended is equal to the specific discontinuous reception (DRX) value of the UE;
- UE_ID IMSI mod (1024)
- UE_ID is an identity identifier of the UE
- IMSI is an international mobile subscriber identity code of the UE
- n is the number of bits of the extended SFN
- N min(T, nB)
- N s max(l, nB / T ) ⁇ ⁇ ⁇ 4 ⁇ , 2 ⁇ , ⁇ , ⁇ /2, ⁇ /4, ⁇ /8, ⁇ /16, ⁇ /32 ⁇ .
- a mobility management entity ( ⁇ ) is provided, wherein the UI includes:
- a sending unit configured to send, by the calculating unit, a relative offset SFN of the index SFN mdex of the extended SFN to the eNB, so that the eNB calculates a paging opportunity of the UE according to the UE;
- the IMSI is an international mobile subscriber identity code of the UE, where n is the number of bits of the extended SFN.
- a base station eNB
- the eNB includes:
- a second determining unit according to the index SFN of the original SFN calculated by the first calculating unit and the index SFN mde5 of the extended SFN determined by the first determining unit, determining a frame in which the paging message of the UE appears number;
- a third determining unit configured by using a frame number of the paging message of the UE determined by the second determining unit, and a subframe number of the paging message of the UE calculated by the second calculating unit Said UE is expanding Paging opportunities under the paging cycle;
- T is a paging cycle of the UE, and T is equal to a minimum value between a specific discontinuous reception (DRX) value of the UE and a default DR value broadcasted in a system message;
- T extendi; d is a paging period of the extended UE, and T extendi;d is equal to a specific discontinuous reception (DRX) value of the UE;
- UEJD is an identity index of the UE;
- a communication system comprising the UE of claim 11, the MME of claim 12, and the eNB of claim 13.
- a computer readable program wherein when the program is executed in a terminal device, the program causes the computer to execute the aforementioned first or eighth aspect in the terminal device The method for calculating the paging opportunity under the extended paging cycle.
- a storage medium storing a computer readable program, wherein the computer readable program causes the computer to perform the expansion described in the first aspect or the eighth aspect in the device A method of calculating the paging opportunity under the paging cycle.
- a computer readable program wherein when the program is executed in a mobility management entity, the program causes a computer to perform the aforementioned second aspect or ninth in the mobility management entity The method for calculating a paging opportunity in an extended paging cycle as described in the aspect.
- a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform the extension described in the foregoing second aspect or ninth aspect in a mobility management entity A method of calculating the paging opportunity under the paging cycle.
- a computer readable program wherein when the program is executed in a base station, the program causes the computer to perform the foregoing third aspect or tenth aspect in the base station A method of calculating the paging opportunity under the extended paging cycle.
- a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform the extended paging described in the foregoing third aspect or tenth aspect in a base station The calculation method of paging opportunities under the cycle.
- the beneficial effects of the embodiments of the present invention are as follows:
- the method and apparatus of the embodiments of the present invention provide a good solution for expanding the calculation of paging opportunities in the paging period.
- FIG. 1 is a flowchart of a paging opportunity calculation method according to Embodiment 1 of the present invention.
- FIG. 2 is a flowchart of a paging opportunity calculation method according to Embodiment 2 of the present invention.
- FIG. 3 is a flowchart of a paging opportunity calculation method according to Embodiment 3 of the present invention.
- FIG. 4 is a schematic diagram showing the composition of a UE corresponding to the paging opportunity calculation method of Embodiment 1;
- FIG. 5 is a schematic diagram showing the composition of an MME corresponding to the paging opportunity calculation method of Embodiment 2;
- FIG. 6 is a schematic diagram showing the composition of an eNB corresponding to the paging opportunity calculation method of Embodiment 3;
- FIG. 7 is a flowchart of a paging opportunity calculation method according to Embodiment 7 of the present invention.
- Embodiment 8 is a flowchart of a paging opportunity calculation method according to Embodiment 8 of the present invention.
- FIG. 9 is a flowchart of a paging opportunity calculation method according to Embodiment 9 of the present invention.
- FIG. 10 is a schematic diagram showing the composition of a UE corresponding to the paging opportunity calculation method of Embodiment 7;
- FIG. 11 is a schematic diagram showing the composition of an MME corresponding to the paging opportunity calculation method of Embodiment 8;
- FIG. 12 is a schematic diagram showing the composition of an eNB corresponding to the paging opportunity calculation method of Embodiment 9.
- FIG. 12 is a schematic diagram showing the composition of an eNB corresponding to the paging opportunity calculation method of Embodiment 9.
- the system SFN in order to extend the paging cycle of the UE, the system SFN must be extended first. If the SFN of the n-bit extension system is introduced, the extended SFN value ranges from [0, 1024 * 2" - 1 ]. For the extended SFN, the embodiment of the present invention proposes two types of paging opportunities for calculating the UE. Method.
- the embodiment of the invention provides a method for calculating a paging opportunity under an extended paging cycle, and the method is applied to
- Figure 1 is a flow chart of the method. Referring to Figure 1, the method includes:
- Step 103 The UE determines, by using a frame number and a subframe number that the paging message appears, a paging opportunity of the UE in an extended paging cycle.
- T is the paging period of the UE, and T is equal to the UE-specific discontinuous reception (DRX) value;
- UE_ MSI mod (1024 - 2"), UE_ID exie toast ⁇ is the UE identity
- IMSI is the international mobile subscriber identity code of the UE
- n is the number of bits of the extended superframe number (SFN);
- N min(T, nB);
- N s max(l, nB /T) nB e ⁇ 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ .
- ⁇ and N have specific physical meanings, which are jointly determined by the tunable parameter nB and the paging cycle T, and the values of N and N s are determined by adjusting the value of the parameter nB. The value, thereby determining the frame number SFN and the corresponding subframe number i_s of the paging message of the UE.
- the paging period T of the UE is only determined by the UE-specific DRX.
- the (Discontinuous Reception) value is determined, and the default DRX value broadcast in the system message is ignored, thereby achieving the purpose of extending the paging cycle.
- the value range of the SFN is extended from [0, 1023] to [0, 1024*2 n -l], so
- a method for calculating a paging opportunity in an extended paging cycle is provided, which ensures that the paging opportunity of the UE is evenly distributed within the range of the extended SFN.
- Embodiment of the present invention further provides a method of calculating the extended paging cycle paging occasion, the method applied to a mobile management entity (MME, Mobility Management Entity) 0 2 is a flowchart of the method, please refer to FIG. 2, the Methods include:
- Step 202 the MME of the UE identity index UE_ID extended to the base station (eNB), so that the eNB may accordingly calculating paging the UE;
- the IMSI is an international mobile subscriber identity code of the UE, and n is a bit number of the extended superframe number (SFN).
- the eNB in order to ensure that the understanding between the UE and the eNB is consistent, the eNB also calculates a paging opportunity of the UE, so as to send a paging message at the location corresponding to the calculated paging opportunity.
- the MME since the eNB does not know the IMSI of the UE, the MME is required to calculate the identity index UE_ID extendi;d of each UE according to the IMSI of each UE that it grasps, and send it to the eNB, so that the eNB can calculate the pager of each UE. meeting.
- the method for the eNB to calculate the paging opportunity of the UE will be described in the following embodiments.
- the MME calculates the UE_ID extended by the method in this embodiment, and provides the UE to the eNB, thereby ensuring that the UE and the eNB have the same understanding of the paging opportunity of the UE, ensuring the search.
- the sending and receiving of the call message overcomes the problem of uneven distribution of paging opportunities after the extension of the SFN.
- the embodiment of the invention further provides a method for calculating a paging opportunity under an extended paging cycle, and the method is applied to eNB.
- 3 is a flow chart of the method. Referring to FIG. 3, the method includes:
- Step 301 The eNB receives an identity identifier index UE_ID extended by the UE sent by the MME .
- Step 304 The eNB determines, by using a frame number SFN and a subframe number i_s of the paging message of the UE, a paging opportunity of the UE in an extended paging cycle.
- T is the paging period of the UE, and T is equal to the UE-specific discontinuous reception (DRX) value;
- N min(T, nB);
- N s max(l, nB / T); nB e ⁇ 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ .
- the eNB may receive the UE_ID extended of the UE sent by the MME, and calculate a paging opportunity of the UE according to the frame number (the frame number and the subframe number that are generated by the paging message are uniquely determined),
- the calculation method is similar to the method in which the UE of Embodiment 1 calculates its paging opportunity, except that in Embodiment 1, the identity is calculated according to the formula 1]
- Microtalk ⁇ 81 11 10 (1 (1024.2").
- the eNB acquires the identity index of the UE from the MME.
- the eNB can send a paging message to the UE at the location corresponding to the paging opportunity. Because the UE and the eNB have the same understanding of the paging opportunity, the UE can monitor at the corresponding location. The paging message, thereby ensuring the transmission and reception of the paging message.
- the eNB UE paging occasion is calculated in accordance with the UE_ID extended MME UE transmitted, thereby ensuring consistent eNB and the UE will be appreciated that a UE paging, to ensure the transmission and reception of a paging message, And overcome the problem of uneven distribution of paging opportunities after extending SFN.
- each step is only an example, and the embodiment of the present invention is not limited thereto.
- each step may also be performed in combination or in a reverse order. It depends on the implementation.
- the embodiments of the present invention further provide a UE, an MME, and an eNB, respectively.
- the UE, MME, and eNB will be described below with reference to Embodiment 4 to Embodiment 6.
- the embodiment of the present invention further provides a user equipment (UE), and the principle of the UE is similar to that of the first embodiment. Therefore, the specific implementation may refer to the implementation of the method in the first embodiment, and the content is the same. Repeat the instructions.
- UE user equipment
- the UE includes:
- a determining unit 43 that uses the first calculating unit to calculate the frame number of the paging message of the UE that is out of the UE and the subframe number that the paging message of the UE that is calculated by the second calculating unit 42 Determining a paging opportunity of the UE in an extended paging cycle;
- T is a paging period of the UE, and T is equal to the UE-specific discontinuous reception (DRX) value;
- UE_ID ⁇ temM IMSI mod (1024 ⁇ 2"),
- UE_ID extended is the identity of the UE Identification index,
- IMSI is the international mobile subscriber identity code of the UE
- n is the number of bits of the extended superframe number (SFN)
- N min(T, nB);
- N s max(l, nB / T);
- nB e 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ .
- the UE of the present embodiment By calculating the paging opportunity by the UE of the present embodiment, it is ensured that the paging opportunity is evenly distributed within the range of values of the extended SFN under the extended paging cycle.
- the embodiment of the present invention further provides a mobility management entity (MME), and the principle of the MME is similar to that of the second embodiment. Therefore, the specific implementation may refer to the implementation of the method in the second embodiment, and the content is the same. Repeat the explanation.
- MME mobility management entity
- the sending unit 52 sends the identity identifier of the UE calculated by the calculating unit 51 to the base station (eNB), so that the eNB calculates the paging opportunity of the UE according to the UE;
- the IMSI is an international mobile subscriber identity code of the UE, and n is a bit number of the extended superframe number (SFN).
- the MME of the present embodiment calculates the identity identifier of the UE and provides it to the eNB to help the eNB calculate the paging opportunity of the UE, thereby ensuring that the UE and the eNB have consistent understanding of the paging opportunities of the UE, and ensure the sending of the paging message. And receiving, and overcoming the problem of uneven distribution of paging opportunities after extending the SFN.
- Example 6
- the embodiment of the present invention further provides a base station (eNB), and the principle of the eNB is similar to that of the third embodiment. Therefore, the specific implementation may refer to the implementation of the method in the third embodiment, and the content is the same. Description.
- eNB base station
- FIG. 6 is a schematic structural diagram of an eNB according to this embodiment.
- the eNB includes:
- the receiving unit 61 which receives the identity index UE_ID of the UE sent by the MME, extendi; d;
- a determining unit 64 which uses the frame number SFN of the paging message of the UE calculated by the first calculating unit 62 and the subframe in which the paging message of the UE is calculated by the second calculating unit 63
- the number i_s determines a paging opportunity of the UE under an extended paging cycle
- T is the paging period of the UE, and T is equal to the UE-specific discontinuous reception (DRX) value;
- N min(T, nB);
- N s max(l, nB / T); nB e ⁇ 4T, 2T, T, T/2, T/4, T/8, T/16, T/32 ⁇ .
- the eNB of the present embodiment calculates the paging opportunity of the UE according to the received identity index of the UE sent by the MME, ensures that the UE and the eNB have the same understanding of the paging opportunity of the UE, and ensures the sending and receiving of the paging message, and The problem of uneven distribution of paging opportunities after extending SFN is overcome.
- the embodiment of the invention further provides a method for calculating a paging opportunity under an extended paging cycle, and the method is applied to a UE.
- Figure 7 is a flow chart of the method, please refer to Figure 7, the method includes:
- Step 702 The UE determines, according to the index SFN of the original SFN and the index SFN mdex of the extended SFN, a frame number of a paging message of the UE.
- SFN and SFN mde are binary numbers, and the two values are merged, that is, the two corresponding to SFN mdex
- the hexadecimal number is combined to the left of the binary number corresponding to the SFN and combined into one value.
- the resulting value is the frame number at which the paging opportunity of the UE occurs, and the most significant bit is the leftmost bit.
- step 702 can be used to determine that the frame number of the paging message is 100 00100, and the most significant bit is the leftmost bit ' 1 '.
- Step 704 The UE determines, by using a frame number and a subframe number that the paging message appears, a paging opportunity of the UE in an extended paging cycle.
- T is the paging period of the UE, and T is equal to the minimum value of the UE-specific discontinuous reception (DRX) value and the default DR value broadcasted in the system message;
- T extended is the extended UE Paging period, and T extended is equal to the UE-specific discontinuous reception (DRX) value;
- UE_ID IMSI mod (1024),
- UE_ID is an identity identifier of the UE
- IMSI is an international mobile subscriber identity code of the UE
- n is the number of bits of the extended SFN
- N min(T, nB)
- N s max(l, nB / T)
- the index SFN mdex of the extended n-bit SFN can be determined.
- SFN ⁇ e SFN belongs to the interval [0, 2" - 1 ], and T ⁇ represents the paging period of the extended UE.
- the UE can determine the exact value of the SFN of the paging occasion.
- a new parameter is introduced to calculate an index SFN ⁇ ; fa of the extended SFN, and combined with an index SFN of the original SFN, the frame number of the paging message of the UE can be determined, thereby ensuring the UE.
- the paging opportunities are evenly distributed within the range of the extended SFN, which ensures the transmission and reception of paging messages.
- the embodiment of the invention further provides a method for calculating a paging opportunity under an extended paging cycle, and the method is applied to an MME.
- Step 802 The MME sends a relative offset SFN of the index SFN mdex of the extended SFN to the eNB, so that the eNB calculates a paging opportunity of the UE according to the MME;
- the IMSI is an international mobile subscriber identity code of the UE, where n is the number of bits of the extended SFN.
- the eNB in order to ensure that the understanding between the UE and the eNB is consistent, the eNB also calculates a paging opportunity of the UE, so as to send a paging message at the location corresponding to the calculated paging opportunity.
- the MME since the eNB does not know the IMSI of the UE, the MME needs to calculate the parameters SFN of each UE according to the IMSI of each UE it knows, and send it to the eNB, so that the eNB can calculate the paging mechanism of each UE.
- the method for the eNB to calculate the paging opportunity of the UE will be described in the following embodiments.
- the MME calculates and provides the MME to the eNB, thereby ensuring that the UE and the eNB have the same understanding of the paging opportunity of the UE, and the paging message is guaranteed.
- the embodiment of the invention further provides a method for calculating a paging opportunity in an extended paging cycle, and the method is applied to an eNB.
- Figure 9 is a flow chart of the method. Referring to Figure 9, the method includes:
- Step 901 The eNB receives a relative offset SFN of the index SFN mdex of the extended SFN sent by the MME;
- Step 902 The eNB uses a formula ⁇ Determine the index SFN mdex of the extended SFN ;
- Step 904 The eNB determines a frame number of the paging message of the UE according to the index SFN of the original SFN and the index SFN mde of the extended SFN.
- Step 906 The eNB determines, by using a frame number and a subframe number that the paging message appears, a paging opportunity of the UE in an extended paging cycle.
- T is the paging period of the UE, and T is equal to the specific discontinuous reception (DRX) of the UE
- DRX specific discontinuous reception
- UE_ID is an identity identifier of the UE
- IMSI is an international mobile subscriber identity code of the UE
- the UE_ID is obtained by the eNB from the MME, as described above
- the eNB can send a paging message to the UE at the location corresponding to the paging opportunity. Because the UE and the eNB have the same understanding of the paging opportunity, the UE can monitor at the corresponding location. The paging message, thereby ensuring the transmission and reception of the paging message.
- the eNB calculates the paging opportunity of the UE according to the SFN ⁇ ′ sent by the MME, thereby ensuring that the UE and the eNB have the same understanding of the paging opportunity of the UE, ensuring the sending and receiving of the paging message, and The problem of uneven distribution of paging opportunities after extending SFN is overcome.
- each step is only an example, and the embodiment of the present invention is not limited thereto. In the specific implementation process, each step may also be executed in combination or in a reverse order. It depends on the implementation.
- the embodiments of the present invention further provide a UE, an MME, and an eNB, respectively.
- the UE MME eNB will be described below with reference to Embodiment 10 to Embodiment 12.
- the embodiment of the present invention further provides a user equipment (UE).
- UE user equipment
- the principle of the UE is similar to the method of the seventh embodiment. Therefore, the specific implementation may refer to the implementation of the method in the seventh embodiment, and the content is the same. Description.
- FIG. 10 is a schematic diagram of a composition of a UE according to this embodiment.
- the UE includes:
- a second determining unit 1004 which uses the frame number of the paging message of the UE determined by the first determining unit 1002 and the subframe in which the paging message of the UE is calculated by the second calculating unit 1003 No. determining a paging opportunity of the UE in an extended paging cycle;
- T is the paging period of the UE, and T is equal to the minimum value of the UE-specific discontinuous reception (DRX) value and the default DRX value broadcasted in the system message;
- T extended is the extended UE Paging period, and T extended is equal to the UE-specific discontinuous reception (DRX) value;
- UE_ID IMSI mod (1024),
- UE_ID is an identity identifier of the UE
- IMSI is an international mobile subscriber identity code of the UE
- n is the number of bits of the extended SFN
- N min(T, nB)
- N s max(l, nB / T)
- the UE of the present embodiment By calculating the paging opportunity by the UE of the present embodiment, it is ensured that the paging opportunity is evenly distributed within the range of values of the extended SFN under the extended paging cycle.
- the embodiment of the present invention further provides a mobility management entity (MME), and the principle of the MME is similar to that of the embodiment 8. Therefore, the specific implementation may refer to the implementation of the method in the eighth embodiment, and the content is the same. Repeat the explanation.
- MME mobility management entity
- a sending unit 1102 configured to send, by the calculating unit 1101, a relative offset SFN of the index SFN mdex of the extended SFN to the eNB, so that the eNB calculates a paging opportunity of the UE according to the eNB;
- the IMSI is an international mobile subscriber identity code of the UE, where n is the number of bits of the extended SFN.
- the MME is calculated by the MME of the present embodiment and is provided to the eNB to help the eNB calculate the paging opportunity of the UE, thereby ensuring that the UE and the eNB have consistent understanding of the paging opportunities of the UE, and ensure that the paging message is sent and received. And overcome the problem of uneven distribution of paging opportunities after extending SFN.
- Example 12 The embodiment of the present invention further provides a base station (eNB), and the principle of the eNB is similar to that of the ninth embodiment. Therefore, the specific implementation may refer to the implementation of the method in Embodiment 9. Description.
- eNB base station
- the eNB includes: a receiving unit 1201, which receives a relative offset of an index SFN mdex of an extended SFN sent by an MME.
- a first determining unit 1202 which uses an equation (SFN ⁇ -SFN ⁇ mod O ⁇ /lim O to determine an index SFN mdex of the extended SFN ;
- a second determining unit 1204 which is configured according to the index SFN of the original SFN calculated by the first calculating unit 1203 and the index SFN mdi5 of the extended SFN determined by the first determining unit 1202. The frame number in which the paging message appears;
- a third determining unit 1206, which uses the frame number of the paging message of the UE determined by the second determining unit 1204 and the subframe in which the paging message of the UE is calculated by the second calculating unit 1205 No. determining a paging opportunity of the UE in an extended paging cycle;
- the UE_ID is an identity identifier of the UE
- the IMSI is an international mobile subscriber identity code of the UE
- the eNB of the present embodiment calculates the paging opportunity of the UE according to the received SFN ⁇ sent by the MME, ensures that the UE and the eNB have the same understanding of the paging opportunity of the UE, ensures the sending and receiving of the paging message, and overcomes the extension.
- An embodiment of the present invention further provides a communication system, where the communication system includes the method described in Embodiment 4.
- the embodiment of the present invention further provides a communication system, where the communication system includes the UE described in Embodiment 10, the MME described in Embodiment 11, and the eNB described in Embodiment 12.
- the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a terminal device, the program causes the computer to execute the pager in the extended paging cycle described in Embodiment 1 or 7 in the terminal device The calculation method of the meeting.
- the embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes the computer to perform the calculation of the paging opportunity in the extended paging cycle described in Embodiment 1 or 7 in the device in the computer method.
- the embodiment of the invention further provides a computer readable program, wherein when the program is executed in a mobility management entity, the program causes the computer to perform the extension described in any one of embodiments 2 or 8 in the mobility management entity A method of calculating the paging opportunity under the paging cycle.
- 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 pager in the extended paging cycle according to any one of embodiments 2 or 8 in the mobility management entity The calculation method of the meeting.
- the embodiment of the present invention further provides a computer readable program, wherein when the program is executed in a base station, the program causes the computer to perform the extended paging cycle according to any one of Embodiments 3 or 9 in the base station The calculation method of paging opportunities.
- An embodiment of the present invention further provides a storage medium storing a computer readable program, wherein the computer readable program causes a computer to perform a paging opportunity in an extended paging cycle according to any one of embodiments 3 or 9 in a base station Calculation method.
- the above apparatus and method of the present invention may be implemented by hardware, or may be implemented by hardware in combination with software.
- the present invention relates to a computer readable program that, when executed by a logic component, enables the logic component to implement the apparatus or components described above, or to cause the logic component to implement the various methods described above Or steps.
- Logic components such as field programmable logic components, microprocessors, processors used in computers, and the like.
- 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.
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Abstract
Description
Claims
Priority Applications (6)
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| JP2016512189A JP2016524839A (ja) | 2013-05-10 | 2013-05-10 | 拡張ページング周期下でのページング時点の計算方法及び装置 |
| PCT/CN2013/075465 WO2014179985A1 (zh) | 2013-05-10 | 2013-05-10 | 扩展寻呼周期下寻呼机会的计算方法和装置 |
| KR1020157031835A KR20150140348A (ko) | 2013-05-10 | 2013-05-10 | 확장된 페이징 사이클에 따라 페이징 기회를 계산하기 위한 방법 및 장치 |
| CN201380073025.8A CN104995967A (zh) | 2013-05-10 | 2013-05-10 | 扩展寻呼周期下寻呼机会的计算方法和装置 |
| EP13884327.1A EP2996405A4 (en) | 2013-05-10 | 2013-05-10 | METHOD AND DEVICE FOR CALCULATING A PAGING POSSIBILITY IN AN ADVANCED PAGING CYCLE |
| US14/876,029 US20160029434A1 (en) | 2013-05-10 | 2015-10-06 | Method and apparatus for calculating paging occasion under extended paging cycle |
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| PCT/CN2013/075465 WO2014179985A1 (zh) | 2013-05-10 | 2013-05-10 | 扩展寻呼周期下寻呼机会的计算方法和装置 |
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| US (1) | US20160029434A1 (zh) |
| EP (1) | EP2996405A4 (zh) |
| JP (1) | JP2016524839A (zh) |
| KR (1) | KR20150140348A (zh) |
| CN (1) | CN104995967A (zh) |
| WO (1) | WO2014179985A1 (zh) |
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| KR20170107491A (ko) * | 2015-01-23 | 2017-09-25 | 후아웨이 테크놀러지 컴퍼니 리미티드 | 페이징 방법, 장치 및 페이징 시스템 |
| WO2018053708A1 (zh) * | 2016-09-21 | 2018-03-29 | 富士通株式会社 | 寻呼装置、方法以及通信系统 |
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| CN110167109B (zh) * | 2018-02-13 | 2022-08-30 | 北京紫光展锐通信技术有限公司 | 一种寻呼的监听方法及装置、计算机可读存储介质及设备 |
| WO2019178750A1 (zh) * | 2018-03-20 | 2019-09-26 | Oppo广东移动通信有限公司 | 用于寻呼的方法、网络设备和终端设备 |
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Also Published As
| Publication number | Publication date |
|---|---|
| US20160029434A1 (en) | 2016-01-28 |
| KR20150140348A (ko) | 2015-12-15 |
| CN104995967A (zh) | 2015-10-21 |
| JP2016524839A (ja) | 2016-08-18 |
| EP2996405A4 (en) | 2016-11-16 |
| EP2996405A1 (en) | 2016-03-16 |
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