CN110324895A - Alien frequencies or inter-system measuring method, device and user equipment - Google Patents
Alien frequencies or inter-system measuring method, device and user equipment Download PDFInfo
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- CN110324895A CN110324895A CN201810296327.6A CN201810296327A CN110324895A CN 110324895 A CN110324895 A CN 110324895A CN 201810296327 A CN201810296327 A CN 201810296327A CN 110324895 A CN110324895 A CN 110324895A
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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
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/30—Resource management for broadcast services
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/54—Allocation or scheduling criteria for wireless resources based on quality criteria
- H04W72/541—Allocation or scheduling criteria for wireless resources based on quality criteria using the level of interference
-
- 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
Abstract
The present invention provides a kind of alien frequencies or inter-system measuring method, device and user equipment.The described method includes: obtaining the starter system frame number of current CBS message according to the upper one CBS message comprising scheduling information；Judge whether the difference of the sequence number of two recently received data packets is equal to received CBS data block number between two data packets；According to the sending mode of judging result and starter system frame number study CBS message, the period and a CBS message for obtaining network transmission CBS message need continuous received length；When CBS message can not be received, the initial position of next CBS message is determined according to learning outcome, and after continuously having received a CBS message and before starting to receive next CBS message, carry out the reception of alien frequencies or isosystem measurement message.The present invention can be avoided alien frequencies or isosystem measurement and conflict with CBS data block, to retain alien frequencies or isosystem measurement and CBS message sink to greatest extent.
Description
Technical field
The present invention relates to fields of communication technology more particularly to a kind of alien frequencies or inter-system measuring method, device and user to set
It is standby.
Background technique
The mobile network locating for UE (User Equipment, user equipment) supports CBS (Cell Broadcast
Service, cell broadcast service) when, UE generallys use DRX (Discontinuous reception, discontinuous reception) mechanism
Receive CBS message.
UE is waited in WCDMA (Wideband Code Division Multiple Access, wideband code division multiple access) network
When machine, the ability of alien frequencies or different system gravity treatment measurement is needed to have.But when the CBS period of network configuration than comparatively dense when
A possibility that time, alien frequencies or isosystem measurement and CBS data block clash, will be very big.
Existing scheme is in order to guarantee the reception of CBS message, if the case where encountering alien frequencies or different system crash, destroys institute
There is the part of alien frequencies or isosystem measurement conflict, but cause alien frequencies or isosystem measurement that can not be timely completed in this way, influences weight
Choosing.Alternatively, the measurement in order to guarantee alien frequencies or different system, destroys all CBS data blocks, such CBS message may be received not
It arrives, leads to the problem that power consumption is big.
Summary of the invention
Alien frequencies or inter-system measuring method provided by the invention, device and user equipment, can be avoided alien frequencies or different system
Measurement conflicts with CBS data block, to retain alien frequencies or isosystem measurement and CBS message sink to greatest extent.
In a first aspect, the present invention provides a kind of alien frequencies or inter-system measuring method, which comprises
The starter system frame number of current CBS message is obtained according to the upper one CBS message comprising scheduling information；
It is received between two data packets to judge whether the difference of the sequence number of two recently received data packets is equal to
CBS data block number；
According to the sending mode of judging result and starter system frame number study CBS message, obtains network and send CBS
The period of message and a CBS message need continuous received length；
When CBS message can not be received, the initial position of next CBS message is determined according to learning outcome, and even
Continued access harvests a CBS message later and before starting to receive next CBS message, carries out alien frequencies or isosystem measurement disappears
The reception of breath.
Optionally, whether the difference of the sequence number for judging two recently received data packets is equal to two data packets
Between received CBS data block number include:
It calculates and is connect at first in the System Frame Number and a upper data packet for the CBS data block being initially received in current data packet
The difference of the System Frame Number of the CBS data block received, then divided by the CBS period, obtain the CBS data block between two data packets
Quantity, the CBS period are the period of the transmission CBS message blocks of network configuration；
According to calculated result judge the sequence number of two data packets difference whether be equal to it is received between two data packets
CBS data block number.
Optionally, the sending mode according to judging result and starter system frame number study CBS message, obtains
Network sends the period of CBS message and the continuous received length of CBS message needs includes:
When judging result is equal, the difference of two sequence numbers is added to a CBS message and needs continuous receive
Length in；When judging result is unequal, CBS message cycle is equal to the CBS data block being initially received in current data packet
System Frame Number and the starter system frame number difference；
Aforesaid operations are repeated, in N CBS message of successive learning or after reaching the study time limit, if be calculated
The quantity proportion of identical CBS message cycle is more than prescribed percentage, it is determined that is final CBS message cycle, determines
It is maximum value in obtained length value that one CBS message, which needs the value of continuous received length, wherein N > 0 and N is whole
Number.
Second aspect, the present invention provides a kind of alien frequencies or isosystem measurement device, described device include:
Acquiring unit, for obtaining the starter system of current CBS message according to the upper one CBS message comprising scheduling information
Frame number；
Judging unit, for judging whether the difference of sequence number of two recently received data packets is equal to two data
Received CBS data block number between packet；
Unit is obtained for the sending mode according to judging result and starter system frame number study CBS message
The period of CBS message is sent to network and a CBS message needs continuous received length；
Processing unit, for determining rising for next CBS message according to learning outcome when CBS message can not be received
Beginning position, and after continuously having received a CBS message and before starting to receive next CBS message, carry out alien frequencies
Or the reception of isosystem measurement message.
Optionally, the judging unit includes:
Computing module, for calculating the System Frame Number of the CBS data block being initially received in current data packet and upper one
The difference of the System Frame Number for the CBS data block being initially received in data packet, then divided by the CBS period, obtain two data packets it
Between CBS data block quantity, the CBS period be network configuration transmission CBS message blocks period；
Judgment module, for judging whether the difference of sequence number of two data packets is equal to two data according to calculated result
Received CBS data block number between packet.
Optionally, the unit includes:
Study module, for when judging result is equal, the difference of two sequence numbers to be added to a CBS message
It needs in continuous received length；When judging result is unequal, CBS message cycle, which is equal in current data packet, to be initially received
CBS data block System Frame Number and the starter system frame number difference；
Determining module is used in N CBS message of the study module successive learning or after reaching the study time limit, such as
The quantity proportion for the identical CBS message cycle that fruit is calculated is more than prescribed percentage, it is determined that is disappeared for final CBS
The period is ceased, determines that a CBS message needs the value of continuous received length for the maximum value in obtained length value, wherein N
> 0 and N is integer.
The third aspect, the present invention provide a kind of user equipment, and the user equipment includes above-mentioned alien frequencies or isosystem measurement
Device.
Alien frequencies or inter-system measuring method provided in an embodiment of the present invention, device and user equipment, are obtained by scheduling information
The starter system frame number of current CBS message is taken, the sending mode of CBS message is learnt, obtains the period that network sends CBS message,
And a CBS message needs continuous received length, and different-frequency measure or isosystem measurement are arranged in and continuously received one
It is received after CBS message and before starting to receive next CBS message.Compared with prior art, the present invention will be different
Frequency measurement or isosystem measurement are arranged in the sleazy place of CBS data block and receive, and can be avoided alien frequencies or isosystem measurement
Conflict with CBS data block, to retain alien frequencies or isosystem measurement and CBS message sink to greatest extent.
Detailed description of the invention
Fig. 1 is the flow chart of one embodiment of the invention alien frequencies or inter-system measuring method；
Fig. 2 is the sending mode progress alien frequencies of one embodiment of the invention application CBS message or showing for inter-system measuring method
It is intended to；
Fig. 3 is the algorithm flow chart that one embodiment of the invention learns CBS message sending mode；
Fig. 4 is the structural schematic diagram of one embodiment of the invention alien frequencies or isosystem measurement device.
Specific embodiment
In order to make the object, technical scheme and advantages of the embodiment of the invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, technical scheme in the embodiment of the invention is clearly and completely described, it is clear that described embodiment is only
It is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, ordinary skill
Personnel's every other embodiment obtained without making creative work, shall fall within the protection scope of the present invention.
WCDMA network is that CBS devises two kinds of dispatching cycles: DRX weeks of DRX Level1 and DRX Level2, Level1
Phase is that network configures in system message, and this patent is known as the CBS period.CBS message can't be every in real network configuration
One CBS period sends, but continuously transmits several CBS data blocks within each period by the period of larger interval, composition one
CBS scheduling message or CBS data-message, this bigger period is exactly Level2, and within the dispatching cycle of Level2, UE
CBS data block is continuously received according to DRX cycle, that is, CBS period of Level1.The dispatching cycle of this patent Level2 is referred to as network
The period Msg Cycle of CBS message is sent, it is referred to as Msg Len that a CBS message, which needs the continuous length that receives,.
The present invention provides a kind of alien frequencies or inter-system measuring method, as shown in Figure 1, which comprises
S11, the starter system frame number that current CBS message is obtained according to the upper one CBS message comprising scheduling information；
UE can only receive message, the initial position of DRX Level2 and length when having just enter into Idle state according to the CBS period
It carries in scheduling information, for notifying the initial position of next CBS data packet and continuously receiving the length in several CBS periods
Degree.If UE has received scheduling information, the starter system frame number of next CBS message can be calculated, hence into DRX
The dispatching cycle of Level2.
S12, judge the difference of the sequence number of two recently received data packets whether be equal to two data packets it is indirectly
The CBS data block number of receipts；
Optionally, the System Frame Number for the CBS data block being initially received in calculating current data packet and a upper data packet
In the difference of the System Frame Number of CBS data block that is initially received, then divided by the CBS period, obtain the CBS between two data packets
The quantity of data block, the CBS period are the period of the transmission CBS message blocks of network configuration；
According to calculated result judge the sequence number of two data packets difference whether be equal to it is received between two data packets
CBS data block number.
S13, the sending mode for learning CBS message according to judging result and the starter system frame number, obtain network hair
The period Msg Cycle and a CBS message for sending CBS message need continuous received length Msg Len；
Optionally, when judging result is equal, illustrate that two recently received data packets belong to same CBS message,
Then the difference of two sequence numbers is added in the Msg Len；When judging result is unequal, illustrate recently received two
A data packet is not belonging to same CBS message, then Msg Cycle is equal to the CBS data block being initially received in current data packet
System Frame Number and the starter system frame number difference；
Aforesaid operations are repeated, in N CBS message of successive learning or after reaching the study time limit, if be calculated
The quantity proportion of identical Msg Cycle is more than prescribed percentage, it is determined that is final Msg Cycle, determines Msg
The value of Len is the maximum value in obtained Msg Len, wherein N > 0 and N are integer.
S14, when CBS message can not be received, the initial position of next CBS message is determined according to learning outcome, and
After continuously having received a CBS message and before starting to receive next CBS message, carries out alien frequencies or different system is surveyed
Measure the reception of message.
When CBS message can not be received, the initial position of next CBS message is determined according to learning outcome, continuous
Received after a CBS message and the CBS data block before starting to receive next CBS message be it is sleazy,
It does not need to receive, therefore different-frequency measure or isosystem measurement are arranged in these sleazy places of CBS data block by the present invention connects
It receives, can be avoided alien frequencies or isosystem measurement and conflict with CBS data block, to retain alien frequencies or isosystem measurement to greatest extent
With CBS message sink.
Alien frequencies provided by the invention or inter-system measuring method are specifically described with specific example below.
As shown in Fig. 2, the scheduling method of CBS are as follows: message blocks CBS0 and CBS1 form a CBS message, if this message
It is scheduling message, then network can tell under UE a piece of news not have content in CBS4 and CBS5, CBS2 and CBS3, can not connect
It receives.But if CBS1 is not received, a scheduling message can not be formed, where UE can not also know next CBS message.
Or network not sends out scheduling message, then UE just has to receive CBS2 and CBS3, even if the two CBS data blocks are
There is no content, can not receive completely.
The scheduling mode of former alien frequencies or isosystem measurement are as follows: under same frequency (INTRA in Fig. 2), normally receive paging
(PAING, PI) message, is independent of each other with CBS message blocks；Different-frequency measure (INTER in Fig. 2) or isosystem measurement (such as
GSM (Global System for Mobile Communications, global system for mobile communications) in Fig. 2) message meeting
Reception with CBS message blocks clashes.
So the present invention provides the method for study CBS message sending mode, in the case where CBS message can not be received,
By learning the sending mode of CBS message, Msg Len and Msg Cycle is calculated, the starting of next CBS message is predicted
Position, so that alien frequencies or isosystem measurement, which are arranged in no content, does not need received place, such as alien frequencies new in Fig. 2 or different
The scheduling mode of systematic survey.
The algorithm of study CBS message sending mode is specifically described below.
Starting SFN (the System Frame of current CBS message is obtained according to previously received CBS scheduling message first
Number System Frame Number)；
Judge the CBS received between SN (Serial Number, the sequence number) difference of nearest two bag data and two bag datas
Whether data block is identical, is if the same regarded as a CBS message, needs to calculate into Msg Len.If nearest two
Number of the bag data SN difference less than the CBS data block received between two bag datas, then it is assumed that it is a new CBS message, from
And it is poor to calculate new CBS message and the SFN of current CBS message, i.e. Msg Cycle；
Repetitive learning above-mentioned steps, the judgment condition terminated until reaching study.
The judgement that learning algorithm terminates:
If the Msg Cycle more than 70% is identical, then it is assumed that Msg Cycle can in continuous 10 CBS message
It leans on；Msg Len takes wherein maximum value.
As shown in figure 3, for the algorithm flow chart of study CBS message sending mode.
It is defined as follows:
SFN0: the starter system frame number of current CBS message；
SFN1: the System Frame Number of received CBS data block at first in a upper data packet；
SFN2: the System Frame Number for the CBS data block being initially received in current data packet；
SN1: the sequence number in a upper packet header；
SN2: the sequence number in current data packet packet header.
The step of learning algorithm, is as follows:
S100:CBS sending mode learning process starts；
S101: initialization SFN0, SFN1, SFN2, SN1, SN2；
S102: judge whether CRC (Cyclic Redundancy Check, cyclic redundancy check) passes through；When passing through,
Turn S103；When obstructed out-of-date, turn S109；
S103: whether judgement (SFN2-SFN1)/CBS period is equal to (SN2-SN1), when judging equal, turns S104；When
When judging unequal, turn S106；
S104:Msg Len=Msg Len+ (SN2-SN1)；
S105: SFN1=SFN2 is enabled；SN1=SN2；
S106:Msg Cycle=SFN2-SFN0；
S107: Msg Cycle and Msg Len are saved；
S108: SFN0=SFN2 is enabled；SFN1=SFN2；SN1=SN2；Msg Len=0；
S109: judge whether learning time reaches thresholding；When reaching thresholding, turn S110；Otherwise turn S102；
S110:CBS sending mode learning process terminates.
Alien frequencies or inter-system measuring method provided in an embodiment of the present invention obtain current CBS message by scheduling information
Starter system frame number learns the sending mode of CBS message, obtains period Msg Cycle, Yi Jiyi that network sends CBS message
CBS message needs continuous received length Msg Len, and different-frequency measure or isosystem measurement are arranged in and continuously received one
It is received after CBS message and before starting to receive next CBS message.Compared with prior art, the present invention will be different
Frequency measurement or isosystem measurement are arranged in the sleazy place of CBS data block and receive, and can be avoided alien frequencies or isosystem measurement
Conflict with CBS data block, to retain alien frequencies or isosystem measurement and CBS message sink to greatest extent.
The embodiment of the present invention also provides a kind of alien frequencies or isosystem measurement device, as shown in figure 4, described device includes:
Acquiring unit 11, for obtaining the starting system of current CBS message according to the upper one CBS message comprising scheduling information
System frame number；
Judging unit 12, for judging whether the difference of sequence number of two recently received data packets is equal to two numbers
According to CBS data block number received between packet；
Unit 13, for learning the sending mode of CBS message according to judging result and the starter system frame number,
The period and a CBS message for obtaining network transmission CBS message need continuous received length；
Processing unit 14, for determining next CBS message according to learning outcome when CBS message can not be received
Initial position, and after continuously having received a CBS message and before starting to receive next CBS message, it carries out different
The reception of frequency or isosystem measurement message.
Optionally, the judging unit 12 includes:
Computing module, for calculating the System Frame Number of the CBS data block being initially received in current data packet and upper one
The difference of the System Frame Number for the CBS data block being initially received in data packet, then divided by the CBS period, obtain two data packets it
Between CBS data block quantity, the CBS period be network configuration transmission CBS message blocks period；
Judgment module, for judging whether the difference of sequence number of two data packets is equal to two data according to calculated result
Received CBS data block number between packet.
Optionally, the unit 13 includes:
Study module, for when judging result is equal, the difference of two sequence numbers to be added to a CBS message
It needs in continuous received length；When judging result is unequal, CBS message cycle, which is equal in current data packet, to be initially received
CBS data block System Frame Number and the starter system frame number difference；
Determining module is used in N CBS message of the study module successive learning or after reaching the study time limit, such as
The quantity proportion for the identical CBS message cycle that fruit is calculated is more than prescribed percentage, it is determined that is disappeared for final CBS
The period is ceased, determines that a CBS message needs the value of continuous received length for the maximum value in obtained length value, wherein N
> 0 and N is integer.
Alien frequencies or isosystem measurement device provided in an embodiment of the present invention obtains current CBS message by scheduling information
Starter system frame number learns the sending mode of CBS message, obtains period Msg Cycle, Yi Jiyi that network sends CBS message
CBS message needs continuous received length Msg Len, and different-frequency measure or isosystem measurement are arranged in and continuously received one
It is received after CBS message and before starting to receive next CBS message.Compared with prior art, the present invention will be different
Frequency measurement or isosystem measurement are arranged in the sleazy place of CBS data block and receive, and can be avoided alien frequencies or isosystem measurement
Conflict with CBS data block, to retain alien frequencies or isosystem measurement and CBS message sink to greatest extent.
The embodiment of the present invention also provides a kind of user equipment, and the user equipment includes above-mentioned alien frequencies or isosystem measurement dress
It sets.
Those of ordinary skill in the art will appreciate that realizing all or part of the process in above-described embodiment method, being can be with
Relevant hardware is instructed to complete by computer program, the program can be stored in a computer-readable storage medium
In, the program is when being executed, it may include such as the process of the embodiment of above-mentioned each method.Wherein, the storage medium can be magnetic
Dish, CD, read-only memory (Read-Only Memory, ROM) or random access memory (Random Access
Memory, RAM) etc..
The above description is merely a specific embodiment, but scope of protection of the present invention is not limited thereto, any
In the technical scope disclosed by the present invention, any changes or substitutions that can be easily thought of by those familiar with the art, all answers
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be subject to the protection scope in claims.
Claims (7)
1. a kind of alien frequencies or inter-system measuring method, which is characterized in that the described method includes:
The starter system frame number of current CBS message is obtained according to the upper one CBS message comprising scheduling information；
Judge whether the difference of the sequence number of two recently received data packets is equal to received CBS number between two data packets
According to block number；
According to the sending mode of judging result and starter system frame number study CBS message, obtains network and send CBS message
Period and CBS message need continuous received length；
When CBS message can not be received, the initial position of next CBS message is determined according to learning outcome, and continuously connecing
It harvests after a CBS message and before starting to receive next CBS message, carries out alien frequencies or isosystem measurement message
It receives.
2. the method according to claim 1, wherein the sequence for judging two recently received data packets
Number difference whether be equal to received CBS data block number between two data packets and include:
It calculates and is initially received in the System Frame Number and a upper data packet for the CBS data block being initially received in current data packet
CBS data block System Frame Number difference, then divided by the CBS period, obtain the number of the CBS data block between two data packets
Amount, the CBS period are the period of the transmission CBS message blocks of network configuration；
Judge whether the difference of the sequence number of two data packets is equal to received CBS number between two data packets according to calculated result
According to block number.
3. according to the method described in claim 2, it is characterized in that, described according to judging result and the starter system frame number
The sending mode for learning CBS message, the period and a CBS message for obtaining network transmission CBS message need continuous received
Length includes:
When judging result is equal, the difference of two sequence numbers is added to a CBS message and needs continuous received length
In degree；When judging result is unequal, CBS message cycle is equal to the CBS data block being initially received in current data packet
The difference of system frame number and the starter system frame number；
Aforesaid operations are repeated, in N CBS message of successive learning or after reaching the study time limit, if what is be calculated is identical
CBS message cycle quantity proportion be more than prescribed percentage, it is determined that be final CBS message cycle, determine one
It is maximum value in obtained length value that CBS message, which needs the value of continuous received length, wherein N > 0 and N is integer.
4. a kind of alien frequencies or isosystem measurement device, which is characterized in that described device includes:
Acquiring unit, for obtaining the starter system frame of current CBS message according to the upper one CBS message comprising scheduling information
Number；
Judging unit, for judge the difference of sequence number of two recently received data packets whether be equal to two data packets it
Between received CBS data block number；
Unit obtains net for the sending mode according to judging result and starter system frame number study CBS message
Network sends the period of CBS message and a CBS message needs continuous received length；
Processing unit, for determining the start bit of next CBS message according to learning outcome when CBS message can not be received
It sets, and after continuously having received a CBS message and before starting to receive next CBS message, carries out alien frequencies or different
The reception of systematic survey message.
5. device according to claim 4, which is characterized in that the judging unit includes:
Computing module, for calculate the CBS data block being initially received in current data packet System Frame Number and a upper data
The difference of the System Frame Number for the CBS data block being initially received in packet, then divided by the CBS period, obtain between two data packets
The quantity of CBS data block, the CBS period are the period of the transmission CBS message blocks of network configuration；
Judgment module, for judged according to calculated result the difference of sequence number of two data packets whether be equal to two data packets it
Between received CBS data block number.
6. device according to claim 5, which is characterized in that the unit includes:
Study module, for when judging result is equal, the difference of two sequence numbers to be added to the CBS message needs
In continuous received length；When judging result is unequal, CBS message cycle, which is equal in current data packet, to be initially received
The difference of the System Frame Number of CBS data block and the starter system frame number；
Determining module is used in N CBS message of the study module successive learning or after reaching the study time limit, if meter
The quantity proportion of obtained identical CBS message cycle is more than prescribed percentage, it is determined that for final CBS message week
Phase, determining that CBS message needs the value of continuous received length is maximum value in obtained length value, wherein N > 0 and
N is integer.
7. a kind of user equipment, which is characterized in that the user equipment includes different as described in any one of claim 4 to 6
Frequency or isosystem measurement device.
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