CN108307320B - Method, device and user equipment for discontinuously receiving cell broadcast service message - Google Patents
Method, device and user equipment for discontinuously receiving cell broadcast service message Download PDFInfo
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- CN108307320B CN108307320B CN201610724484.3A CN201610724484A CN108307320B CN 108307320 B CN108307320 B CN 108307320B CN 201610724484 A CN201610724484 A CN 201610724484A CN 108307320 B CN108307320 B CN 108307320B
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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
- H04W4/06—Selective distribution of broadcast services, e.g. multimedia broadcast multicast service [MBMS]; Services to user groups; One-way selective calling services
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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
- H04W52/0212—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave
- H04W52/0216—Power saving arrangements in terminal devices managed by the network, e.g. network or access point is master and terminal is slave using a pre-established activity schedule, e.g. traffic indication frame
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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
Abstract
The invention provides a method and a device for discontinuously receiving a cell broadcast service message and User Equipment (UE). The method comprises the following steps: when detecting that the UE starts the cell broadcast service, receiving the cell broadcast service messages by using a long DRX period and a short DRX period, recording the receiving condition of the cell broadcast service scheduling messages, and counting the receiving proportion of the cell broadcast service scheduling messages received by using the short DRX period and the receiving quantity of the received cell broadcast service scheduling messages in real time; when the receiving ratio is larger than a first preset value and the receiving quantity reaches a second preset value, calculating the self-adaptive DRX period of the received cell broadcast service scheduling message; and receiving the cell broadcast service scheduling message by using the self-adaptive DRX cycle when the cell broadcast service scheduling message is not received in the long DRX cycle subsequently, and re-receiving the cell broadcast service scheduling message by using the short DRX cycle if the cell broadcast service scheduling message is not received by using the self-adaptive DRX cycle in the preset time. The invention can reduce the power consumption of the UE.
Description
Technical Field
The present invention relates to the field of mobile communications technologies, and in particular, to a method, an apparatus, and a user equipment for discontinuously receiving a cell broadcast service message.
Background
In a mobile communication system, a User Equipment (UE) receives a CBS (Cell Broadcast Service) message sent by a network side through a wireless interface, where the CBS message is one of short messages, mainly includes weather forecast, Service information, and the like, and is sent in a CTCH (Common Traffic Channel) data block format. The CBS messages on the network side are various in types and content, and not every type of CBS message is required by the user, so that the power consumption is large when the user receives the CBS messages frequently. In a wireless communication system, in order to save power consumption of a UE, a DRX (Discontinuous Reception) technique is generally employed. DRX is a receiving mechanism for reducing UE power consumption, and introduces a mechanism for periodically switching a receiving antenna at a UE end, so that the UE is in an active and dormant alternate state, and periodically wakes up to perform a CTCH (Common Traffic channel) monitoring operation, thereby achieving the purpose of reducing UE power consumption.
In the prior art, a configuration mode combining a long DRX cycle and a short DRX cycle is adopted to receive CBS messages, and the long DRX cycle is a default DRX cycle. That is, normally, the UE receives a CBS message including a CBS scheduling message and a CBS data message using a long DRX cycle, where the CBS scheduling message is used to indicate the start and end of the next CBS message, and in practice, the CBS scheduling message may not be received in the current long DRX cycle due to a network configuration problem or a low CTCH priority, and in this case, the UE continues to receive the CBS scheduling message with the short DRX cycle until the CBS scheduling message is received, and then the UE receives the CBS message sent by the network side using the default long DRX cycle.
In the process of implementing the invention, the inventor finds that at least the following technical problems exist in the prior art:
in the prior art, if the UE does not receive the CBS scheduling message within the default long DRX cycle, the CBS scheduling message needs to be received with at least one short DRX cycle until the CBS scheduling message is successfully received, but if the short DRX cycle is not suitable for the current network condition, it may happen that the UE frequently wakes up periodically to receive the CBS scheduling message, and the UE frequently wakes up periodically to consume a large amount of power.
Disclosure of Invention
The method, the device and the User Equipment (UE) for discontinuously receiving the cell broadcast service message can further reduce the power consumption of the UE.
In a first aspect, the present invention provides a method for discontinuously receiving a cell broadcast service message, which is applied to a UE, and the method includes:
when detecting that UE starts cell broadcast service, receiving a cell broadcast service message by using two receiving modes configured on a network side, wherein the cell broadcast service message comprises a cell broadcast service data message and a cell broadcast service scheduling message, and the two receiving modes comprise a long DRX cycle and a short DRX cycle;
recording the receiving condition of the cell broadcast service scheduling message, wherein the receiving condition comprises a receiving frame number, a receiving mode and actual receiving time;
according to the recorded receiving condition of the cell broadcast service scheduling message, counting the receiving proportion of the cell broadcast service scheduling message received by using the short DRX period and the receiving quantity of the received cell broadcast service scheduling message in real time;
when the receiving proportion is larger than a first preset value M and the receiving quantity reaches a second preset value N, calculating the self-adaptive DRX period for receiving the cell broadcast service scheduling message according to the receiving condition of the N cell broadcast service scheduling messages;
and when the cell broadcast service scheduling message is not included in the cell broadcast service messages received in the long DRX period subsequently, receiving the cell broadcast service scheduling message by utilizing the self-adaptive DRX period.
Optionally, the method further comprises:
and if the cell broadcast service scheduling message received in the self-adaptive DRX period is not received in the preset time, the cell broadcast service scheduling message is received by reusing the short DRX period.
Optionally, the receiving the cell broadcast service message by using two receiving modes configured by the network side includes:
receiving the cell broadcast service message using the long DRX cycle, and receiving the cell broadcast scheduling message using the short DRX cycle when the cell broadcast scheduling message received within the long DRX cycle is not included in the cell broadcast message.
Optionally, the first preset value M is 60%, and the second preset value N is 20.
Optionally, the preset time is 4 min.
Optionally, the calculating an adaptive DRX cycle for receiving the cell broadcast service scheduling message according to the receiving condition of the N cell broadcast service scheduling messages includes:
sequencing the receiving conditions of the N cell broadcast service scheduling messages according to the sequence of actual receiving time, and subtracting the receiving frame number of the previous cell broadcast scheduling message from the receiving frame number of the next cell broadcast scheduling message to obtain (N-1) receiving frame number difference values;
when the difference value between the actual receiving time of the next cell broadcast scheduling message and the actual receiving time of the previous cell broadcast scheduling message is larger than a third preset value, or the difference value of the receiving frame number is smaller than zero, marking the corresponding difference value of the receiving frame number as 0;
performing a modulus operation by using the minimum non-zero received frame number difference value in the (N-1) received frame number difference values and the (N-1) received frame number difference values respectively, and counting the number P of the received frame number difference values with the modulus of 0;
and if the number Q of non-zero received frame number difference values in the (N-1) received frame number difference values is greater than a fourth preset value and the P divided by Q is greater than a fifth preset value, taking the minimum non-zero received frame number difference value as the self-adaptive DRX period.
Optionally, the third preset value is 40960ms, the fourth preset value is 8, and the fifth preset value is 0.8.
In a second aspect, the present invention provides an apparatus for discontinuously receiving a cell broadcast service message, which is applied to a UE, and includes a first receiving module, a recording module, a counting module, a calculating module, and a second receiving module;
the first receiving module is configured to receive a cell broadcast service message by using two receiving modes configured on a network side when it is detected that a UE starts a cell broadcast service, where the cell broadcast service message includes a cell broadcast service data message and a cell broadcast service scheduling message, and the two receiving modes include a long DRX cycle and a short DRX cycle;
the recording module is configured to record a reception situation of the cell broadcast service scheduling message when it is detected that the UE starts a cell broadcast service, where the reception situation includes a reception frame number, a reception mode, and an actual reception time;
the statistical module is used for carrying out real-time statistics on the receiving proportion of the cell broadcast service scheduling messages received by the short DRX period and the receiving quantity of the received cell broadcast service scheduling messages according to the recorded receiving condition of the cell broadcast service scheduling messages;
the calculation module is used for calculating the self-adaptive DRX period of the cell broadcast service scheduling message according to the receiving condition of N cell broadcast service scheduling messages when the receiving proportion is larger than a first preset value M and the receiving quantity reaches a second preset value N, and taking the self-adaptive DRX period as another receiving mode for receiving the cell broadcast service message;
the second receiving module is configured to receive the cell broadcast service scheduling message using the adaptive DRX cycle when the cell broadcast service scheduling message received in the long DRX cycle subsequently does not include the cell broadcast service scheduling message.
Optionally, the first receiving module is further configured to receive the cell broadcast service scheduling message again using the short DRX cycle if the second receiving module does not receive the cell broadcast service scheduling message received with the adaptive DRX cycle within a preset time.
Optionally, the first receiving module is configured to receive the cell broadcast service message with the long DRX cycle, and receive the cell broadcast scheduling message with the short DRX cycle when the cell broadcast scheduling message is not included in the cell broadcast messages received in the long DRX cycle.
Optionally, the first preset value M is 60%, and the second preset value N is 20.
Optionally, the preset time is 4min
Optionally, the calculation module comprises a first calculation unit, a second calculation unit, a marking unit and a determination unit;
the first calculating unit is used for sequencing the receiving conditions of the N cell broadcast service scheduling messages according to the sequence of actual receiving time, and subtracting the receiving frame number of the previous cell broadcast scheduling message from the receiving frame number of the next cell broadcast scheduling message to obtain (N-1) receiving frame number difference values;
the marking unit is used for marking the corresponding receiving frame number difference value as 0 when the difference value between the actual receiving time of the next cell broadcast scheduling message and the actual receiving time of the previous cell broadcast scheduling message is greater than a third preset value or the receiving frame number difference value is less than zero;
the second calculating unit is configured to perform a modulo operation with a minimum non-zero received frame number difference value of the (N-1) received frame number difference values and the (N-1) received frame number difference values, and count the number P of received frame number difference values with a modulus of 0;
the determining unit is configured to determine the minimum non-zero subframe number difference as the adaptive DRX cycle if the number Q of non-zero subframe number differences among the (N-1) subframe number differences is greater than a fourth preset value and P divided by Q is greater than a fifth preset value.
Optionally, the third preset value is 40960ms, the fourth preset value is 8, and the fifth preset value is 0.8. In a third aspect, the present invention provides a user equipment, where the user equipment includes any one of the above apparatuses for discontinuously receiving a cell broadcast service message.
Compared with the prior art, the method, the device and the user equipment UE for discontinuously receiving the cell broadcast service message provided by the embodiment of the invention have the advantages that the self-adaptive DRX period of the received cell broadcast service message is calculated in time according to the receiving condition of the previous cell broadcast service scheduling message by recording the receiving condition of the cell broadcast service scheduling message and when the short DRX period is found not to be suitable for the current network condition. Thus, when the cell broadcast service scheduling message received in the long DRX period does not include the cell broadcast service scheduling message subsequently, the cell broadcast service scheduling message is received by using the self-adaptive DRX period. Therefore, the invention can adjust the DRX period in time according to the receiving condition of the cell broadcast service scheduling message, thereby further reducing the power consumption of the user equipment UE.
Drawings
FIG. 1 is a flowchart illustrating a method for discontinuously receiving a cell broadcast service message according to an embodiment of the present invention;
fig. 2 is a specific flowchart illustrating the calculation of the adaptive DRX cycle for receiving the cell broadcast service scheduling message according to the receiving situation of the N cell broadcast service scheduling messages in the above embodiment of the present invention;
FIG. 3 is a block diagram illustrating an apparatus for discontinuously receiving a cell broadcast service message according to an embodiment of the present invention;
fig. 4 is a schematic structural diagram of the computing module according to the above embodiment of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The invention provides a method for discontinuously receiving a cell broadcast service message, which is applied to UE (user equipment), and as shown in figure 1, the method comprises the following steps:
and S11, when detecting that the UE starts the cell broadcast service, receiving the cell broadcast service message by using two receiving modes configured on the network side.
The cell broadcast service message comprises a cell broadcast service data message and a cell broadcast service scheduling message, and the two receiving modes comprise a long DRX cycle and a short DRX cycle.
The receiving the cell broadcast service message by using two receiving modes configured by the network side comprises the following steps:
receiving the cell broadcast service message using the long DRX cycle, and receiving the cell broadcast scheduling message using the short DRX cycle when the cell broadcast scheduling message received within the long DRX cycle is not included in the cell broadcast message.
And S12, recording the receiving condition of the cell broadcast service scheduling message.
Wherein the receiving condition comprises a receiving frame number, a receiving mode and an actual receiving time.
S13, according to the recorded receiving condition of the cell broadcast service scheduling message, counting the receiving proportion of the cell broadcast service scheduling message received by using the short DRX period and the receiving quantity of the cell broadcast service scheduling message in real time.
S14, when the receiving ratio is larger than the first preset value M and the receiving quantity reaches the second preset value N, calculating the self-adaptive DRX period for receiving the cell broadcast service scheduling message according to the receiving condition of the N cell broadcast service scheduling messages.
And S15, when the cell broadcast service scheduling message is not included in the cell broadcast service messages received in the long DRX period, using the self-adaptive DRX period to receive the cell broadcast service scheduling message.
Compared with the prior art, the method for discontinuously receiving the cell broadcast service message provided by the embodiment of the invention can be used for calculating the self-adaptive DRX period of the received cell broadcast service message according to the receiving condition of the previous cell broadcast service scheduling message in time by recording the receiving condition of the cell broadcast service scheduling message and when the short DRX period is found to be not suitable for the current network condition. Thus, when the cell broadcast service scheduling message received in the long DRX period does not include the cell broadcast service scheduling message subsequently, the cell broadcast service scheduling message is received by using the self-adaptive DRX period. Therefore, the invention can adjust the DRX period in time according to the receiving condition of the cell broadcast service scheduling message, thereby further reducing the power consumption of the user equipment UE.
Further, the method further comprises:
and if the cell broadcast service scheduling message is not received by utilizing the self-adaptive DRX period within the preset time, the cell broadcast service scheduling message is received by utilizing the short DRX period again.
Optionally, the first preset value M is 60%, the second preset value N is 20, and the preset time is 4 min.
Optionally, as shown in fig. 2, the calculating, according to the receiving condition of the N cell broadcast service scheduling messages, an adaptive DRX cycle for receiving the cell broadcast service scheduling message includes:
s21, sequencing the receiving conditions of the N cell broadcast service scheduling messages according to the sequence of actual receiving time, and subtracting the receiving frame number of the previous cell broadcast scheduling message from the receiving frame number of the next cell broadcast scheduling message to obtain (N-1) receiving frame number difference values;
s22, when the difference between the actual receiving time of the next cell broadcast scheduling message and the actual receiving time of the previous cell broadcast scheduling message is larger than a third preset value, or the difference between the receiving frame numbers is smaller than zero, recording the corresponding difference between the receiving frame numbers as 0;
s23, performing a modulus operation by respectively using the minimum non-zero difference value of the (N-1) difference values of the received frame numbers and the (N-1) difference values of the received frame numbers, and counting the number P of the difference values of the received frame numbers with the modulus of 0;
s24, if the number Q of the non-zero received frame number difference values in the (N-1) received frame number difference values is larger than a fourth preset value and the P divided by Q is larger than a fifth preset value, taking the minimum non-zero received frame number difference value as the adaptive DRX period.
The third preset value may be 40960ms, the fourth preset value is to have a sufficient non-zero received frame number difference, for example, may be 8, and the fifth preset value may be 0.8.
An embodiment of the present invention further provides a device for discontinuously receiving a cell broadcast service message, which is located at a UE, and as shown in fig. 3, the device includes a first receiving module 31, a recording module 32, a counting module 33, a calculating module 34, and a second receiving module.
The first receiving module 31 is configured to receive a cell broadcast service message by using two receiving modes configured on a network side when it is detected that the UE starts a cell broadcast service.
The cell broadcast service message comprises a cell broadcast service data message and a cell broadcast service scheduling message, and the two receiving modes comprise a long DRX cycle and a short DRX cycle.
Specifically, the receiving module 31 is configured to receive the cell broadcast service message with the long DRX cycle, and receive the cell broadcast scheduling message with the short DRX cycle when the cell broadcast scheduling message is not included in the cell broadcast messages received in the long DRX cycle.
The recording module 32 is configured to record a receiving condition of the cell broadcast service scheduling message, where the receiving condition includes a receiving frame number, a receiving mode, and an actual receiving time;
the counting module 33 is configured to count, in real time, a receiving ratio of the cell broadcast service scheduling message received by using the short DRX cycle and a receiving quantity of the received cell broadcast service scheduling message according to a recorded receiving condition of the cell broadcast service scheduling message;
the calculating module 34, when the receiving ratio is greater than a first preset value M and the receiving number reaches a second preset value N, calculates an adaptive DRX cycle for receiving the cell broadcast service scheduling message according to the receiving condition of N cell broadcast service scheduling messages;
the second receiving module 35 is further configured to receive the cell broadcast service scheduling message using the adaptive DRX cycle when the cell broadcast service scheduling message received subsequently in the long DRX cycle does not include the cell broadcast service scheduling message. Compared with the prior art, the device for discontinuously receiving the cell broadcast service message provided by the embodiment of the invention can obtain the self-adaptive DRX period of the received cell broadcast service message by recording the receiving condition of the cell broadcast service scheduling message and timely calculating according to the receiving condition of the previous cell broadcast service scheduling message when finding that the short DRX period is not suitable for the current network condition. Thus, when the cell broadcast service scheduling message received in the long DRX period does not include the cell broadcast service scheduling message subsequently, the cell broadcast service scheduling message is received by using the self-adaptive DRX period. Therefore, the invention can adjust the DRX period in time according to the receiving condition of the cell broadcast service scheduling message, thereby further reducing the power consumption of the user equipment UE.
Further, the first receiving module 31 is further configured to receive the cell broadcast service scheduling message again using the short DRX cycle if the second receiving module 35 does not receive the cell broadcast service scheduling message using the adaptive DRX cycle within a preset time.
Optionally, the first preset value M is 60%, the second preset value N is 20, and the preset time is 4 min.
Alternatively, as shown in fig. 4, the calculation module 34 includes a first calculation unit 341, a second calculation unit 342, a marking unit 343, and a determination unit 344;
the first calculating unit 341 is configured to sort the receiving conditions of the N cell broadcast service scheduling messages according to the order of actual receiving time, and subtract the receiving frame number of the previous cell broadcast scheduling message from the receiving frame number of the next cell broadcast scheduling message to obtain (N-1) receiving frame number difference values;
the marking unit 343 is configured to mark, when a difference between an actual receiving time of the next cell broadcast scheduling message and an actual receiving time of the previous cell broadcast scheduling message is greater than a third preset value, or the difference between the receiving frame numbers is less than zero, a corresponding difference between the receiving frame numbers as 0;
the second calculating unit 342 is configured to perform a modulo operation by using the smallest non-zero received frame number difference value of the (N-1) received frame number difference values and the (N-1) received frame number difference values, and count the number P of received frame number difference values with a modulus of 0;
the determining unit 344 is configured to determine the minimum non-zero subframe number difference as the adaptive DRX cycle if the number Q of non-zero subframe number differences among the (N-1) subframe number differences is greater than a fourth preset value and P divided by Q is greater than a fifth preset value.
The third preset value may be 40960ms, the fourth preset value is to have a sufficient non-zero received frame number difference, for example, may be 8, and the fifth preset value may be 0.8.
The embodiment of the invention also provides the user equipment which comprises the device for discontinuously receiving the cell broadcast service message.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by a computer program, which can be stored in a computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. The storage medium may be a magnetic disk, an optical disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), or the like.
The above description is only for the specific embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (13)
1. A method for discontinuously receiving a cell broadcast service message, which is applied to a UE (user equipment), is characterized in that the method comprises the following steps:
when detecting that UE starts cell broadcast service, receiving a cell broadcast service message by using two receiving modes configured on a network side, wherein the cell broadcast service message comprises a cell broadcast service data message and a cell broadcast service scheduling message, and the two receiving modes comprise a long DRX cycle and a short DRX cycle;
recording the receiving condition of the cell broadcast service scheduling message, wherein the receiving condition comprises a receiving frame number, a receiving mode and actual receiving time;
according to the recorded receiving condition of the cell broadcast service scheduling message, counting the receiving proportion of the cell broadcast service scheduling message received by using the short DRX period and the receiving quantity of the received cell broadcast service scheduling message in real time;
when the receiving proportion is larger than a first preset value M and the receiving quantity reaches a second preset value N, calculating the self-adaptive DRX period for receiving the cell broadcast service scheduling message according to the receiving condition of the N cell broadcast service scheduling messages;
when the cell broadcast service scheduling message is not included in the cell broadcast service messages received in the long DRX period subsequently, the cell broadcast service scheduling message is received by utilizing the self-adaptive DRX period;
the calculating the self-adaptive DRX period for receiving the cell broadcast service scheduling message according to the receiving condition of the N cell broadcast service scheduling messages comprises the following steps: sequencing the receiving conditions of the N cell broadcast service scheduling messages according to the sequence of actual receiving time, and subtracting the receiving frame number of the previous cell broadcast scheduling message from the receiving frame number of the next cell broadcast scheduling message to obtain (N-1) receiving frame number difference values; when the difference value between the actual receiving time of the next cell broadcast scheduling message and the actual receiving time of the previous cell broadcast scheduling message is larger than a third preset value, or the difference value of the receiving frame number is smaller than zero, marking the corresponding difference value of the receiving frame number as 0; performing a modulus operation by using the minimum non-zero received frame number difference value in the (N-1) received frame number difference values and the (N-1) received frame number difference values respectively, and counting the number P of the received frame number difference values with the modulus of 0; and if the number Q of non-zero received frame number difference values in the (N-1) received frame number difference values is greater than a fourth preset value and the P divided by Q is greater than a fifth preset value, taking the minimum non-zero received frame number difference value as the self-adaptive DRX period.
2. The method of claim 1, further comprising:
and if the cell broadcast service scheduling message received in the self-adaptive DRX period is not received in the preset time, the cell broadcast service scheduling message is received by reusing the short DRX period.
3. The method of claim 1, wherein receiving the cell broadcast service message using two receiving modes configured on the network side comprises:
receiving the cell broadcast service message using the long DRX cycle, and receiving the cell broadcast scheduling message using the short DRX cycle when the cell broadcast scheduling message received within the long DRX cycle is not included in the cell broadcast message.
4. The method according to claim 1, wherein said first preset value M is 60% and said second preset value N is 20.
5. The method according to claim 2, wherein the preset time is 4 min.
6. The method of claim 1, wherein the third preset value is 40960ms, the fourth preset value is 8, and the fifth preset value is 0.8.
7. A device for discontinuously receiving a cell broadcast service message is positioned at UE, and is characterized by comprising a first receiving module, a recording module, a counting module, a calculating module and a second receiving module;
the first receiving module is configured to receive a cell broadcast service message by using two receiving modes configured on a network side when it is detected that a UE starts a cell broadcast service, where the cell broadcast service message includes a cell broadcast service data message and a cell broadcast service scheduling message, and the two receiving modes include a long DRX cycle and a short DRX cycle;
the recording module is configured to record a reception situation of the cell broadcast service scheduling message when it is detected that the UE starts a cell broadcast service, where the reception situation includes a reception frame number, a reception mode, and an actual reception time;
the statistical module is used for carrying out real-time statistics on the receiving proportion of the cell broadcast service scheduling messages received by the short DRX period and the receiving quantity of the received cell broadcast service scheduling messages according to the recorded receiving condition of the cell broadcast service scheduling messages;
the calculation module is used for calculating the self-adaptive DRX period of the cell broadcast service scheduling message according to the receiving condition of N cell broadcast service scheduling messages when the receiving proportion is larger than a first preset value M and the receiving quantity reaches a second preset value N, and taking the self-adaptive DRX period as another receiving mode for receiving the cell broadcast service message;
the second receiving module is configured to receive the cell broadcast service scheduling message by using the adaptive DRX cycle when the cell broadcast service scheduling message received in the long DRX cycle subsequently does not include the cell broadcast service scheduling message;
the calculation module comprises a first calculation unit, a second calculation unit, a marking unit and a determination unit; the first calculating unit is used for sequencing the receiving conditions of the N cell broadcast service scheduling messages according to the sequence of actual receiving time, and subtracting the receiving frame number of the previous cell broadcast scheduling message from the receiving frame number of the next cell broadcast scheduling message to obtain (N-1) receiving frame number difference values; the marking unit is used for marking the corresponding receiving frame number difference value as 0 when the difference value between the actual receiving time of the next cell broadcast scheduling message and the actual receiving time of the previous cell broadcast scheduling message is greater than a third preset value or the receiving frame number difference value is less than zero; the second calculating unit is configured to perform a modulo operation with a minimum non-zero received frame number difference value of the (N-1) received frame number difference values and the (N-1) received frame number difference values, and count the number P of received frame number difference values with a modulus of 0; the determining unit is configured to determine the minimum non-zero subframe number difference as the adaptive DRX cycle if the number Q of non-zero subframe number differences among the (N-1) subframe number differences is greater than a fourth preset value and P divided by Q is greater than a fifth preset value.
8. The apparatus of claim 7, wherein the first receiving module is further configured to receive the cell broadcast service scheduling message again using the short DRX cycle if the second receiving module does not receive the cell broadcast service scheduling message received with the adaptive DRX cycle within a preset time.
9. The apparatus of claim 7, wherein the first receiving module is configured to receive the cell broadcast service message with the long DRX cycle and to receive the cell broadcast scheduling message with the short DRX cycle when the cell broadcast scheduling message is not included in the cell broadcast message received in the long DRX cycle.
10. The device according to claim 7, wherein said first preset value M is 60% and said second preset value N is 20.
11. The apparatus of claim 8, wherein the preset time is 4 min.
12. The apparatus of claim 7, wherein the third preset value is 40960ms, the fourth preset value is 8, and the fifth preset value is 0.8.
13. A user equipment, UE, comprising the apparatus for discontinuous reception of cell broadcast service messages according to any of claims 7 to 12.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101606426A (en) * | 2007-02-05 | 2009-12-16 | 高通股份有限公司 | Flexible DTX in the wireless communication system and DRX |
| WO2014112751A1 (en) * | 2013-01-16 | 2014-07-24 | Lg Electronics Inc. | Method for applying timer for discontinuous reception procedure in wireless communication system and an apparatus therefor |
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| US20120069782A1 (en) * | 2010-09-22 | 2012-03-22 | Richard Lee-Chee Kuo | Method and apparatus for improving drx in a wireless communication system |
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| CN101606426A (en) * | 2007-02-05 | 2009-12-16 | 高通股份有限公司 | Flexible DTX in the wireless communication system and DRX |
| WO2014112751A1 (en) * | 2013-01-16 | 2014-07-24 | Lg Electronics Inc. | Method for applying timer for discontinuous reception procedure in wireless communication system and an apparatus therefor |
| CN104105177A (en) * | 2013-04-06 | 2014-10-15 | 上海贝尔股份有限公司 | Power saving method for user equipment in idle mode and device |
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