CN116113033B - Method and system for synchronizing NR system and LTE system - Google Patents

Method and system for synchronizing NR system and LTE system Download PDF

Info

Publication number
CN116113033B
CN116113033B CN202310376439.3A CN202310376439A CN116113033B CN 116113033 B CN116113033 B CN 116113033B CN 202310376439 A CN202310376439 A CN 202310376439A CN 116113033 B CN116113033 B CN 116113033B
Authority
CN
China
Prior art keywords
subframe
count value
timing clock
difference
representing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202310376439.3A
Other languages
Chinese (zh)
Other versions
CN116113033A (en
Inventor
邓绍庆
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Chengdu Xinjixun Communication Technology Co ltd
Original Assignee
Shanghai Xinjixun Communication Technology Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Shanghai Xinjixun Communication Technology Co ltd filed Critical Shanghai Xinjixun Communication Technology Co ltd
Priority to CN202310376439.3A priority Critical patent/CN116113033B/en
Publication of CN116113033A publication Critical patent/CN116113033A/en
Application granted granted Critical
Publication of CN116113033B publication Critical patent/CN116113033B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L7/00—Arrangements for synchronising receiver with transmitter
    • H04L7/0008—Synchronisation information channels, e.g. clock distribution lines
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
  • Synchronisation In Digital Transmission Systems (AREA)

Abstract

The invention provides a method and a system for synchronizing an NR system and an LTE system, which relate to the technical field of wireless communication and comprise the following steps: respectively acquiring a first timing clock of an NR system and a second timing clock of an LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock; periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under a synchronous timing clock of the NR system at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock of the LTE system; and processing to obtain a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system. The synchronous method has the advantages that the synchronous mode is simple and the precision requirement can be met.

Description

Method and system for synchronizing NR system and LTE system
Technical Field
The present invention relates to the field of wireless communications technologies, and in particular, to a method and a system for synchronizing an NR system with an LTE system.
Background
In a wireless communication system supporting an NR system (New Radio, new Radio system) and an LTE system (Long Term Evolution, long term evolution system), a number of inter-rate (inter-rate) measurement objects with high accuracy requirements, such as SFTD (SFN and frame timing difference, see 38.215 for detailed definition), are involved, and the accuracy requirement Ts (1/30.72 MHz). When these measurements are completed, synchronization is performed on the system frame numbers (system frame number, abbreviated SFN) and subframe numbers (subframe, abbreviated SF) of NR and LTE.
The existing synchronization method generally adopts a hardware snapshot mode to synchronously read clocks of an NR system and an LTE system, periodically starts hardware, increases power consumption, and is too complex.
Disclosure of Invention
Aiming at the problems in the prior art, the invention provides a method for synchronizing an NR system and an LTE system, which comprises the following steps: step S1, respectively acquiring a first timing clock of an NR system and a second timing clock of an LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock; step S2, periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under the synchronous timing clock at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock; and step S3, processing to obtain a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system.
Preferably, in the step S1, the synchronous timing clock is obtained by processing the first timing clock and the second timing clock, and a larger value of the first timing clock and the second timing clock is used as the synchronous timing clock.
Preferably, the step S3 includes: step S31, determining whether the first count value is equal to the second count value: if yes, taking the difference between the first system frame number and the second system frame number as the frame number difference, taking the difference between the first system subframe number and the second system subframe number as the subframe number difference, configuring the subframe boundary difference as 0, and returning to the step S2; if not, turning to step S32; and step S32, taking the difference value between the first system frame number and the second system frame number as the frame number difference value, processing the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number, the second system subframe number and the subframe count value of each subframe length which is obtained in advance under the synchronous timing clock to obtain the subframe number difference value and the subframe boundary difference value, and returning to the step S2.
Preferably, in the step S32, the subframe boundary difference value is calculated according to the following formula:
Figure SMS_1
wherein,,
Figure SMS_2
for representing the sub-frame boundary difference,/for each sub-frame>
Figure SMS_3
For representing said first count value,/or->
Figure SMS_4
For representing said second count value,/or->
Figure SMS_5
For representing the sub-frame count value.
Preferably, in the step S32, the subframe number difference is calculated according to the following formula:
Figure SMS_6
wherein,,
Figure SMS_7
wherein,,
Figure SMS_10
for representing the sub-frame number difference,/or->
Figure SMS_11
For representing the first system frame number,
Figure SMS_13
for representing the first system subframe number, and (2)>
Figure SMS_9
For representing said second system frame number, < > and->
Figure SMS_12
For representing the second system subframe number, and (2)>
Figure SMS_14
For representing said first count value,/or->
Figure SMS_15
For representing said second count value,/or->
Figure SMS_8
For representing the sub-frame count value.
The invention also provides a system for synchronizing the NR system and the LTE system, and the system comprises: the clock acquisition module is used for respectively acquiring a first timing clock of an NR system and a second timing clock of an LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock; the clock counting module is connected with the clock acquisition module and is used for periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under the synchronous timing clock at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock; and the system synchronization module is connected with the clock counting module and is used for processing and obtaining a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system.
Preferably, in the clock acquisition module, the synchronous timing clock is obtained by processing the first timing clock and the second timing clock, and a larger value in the first timing clock and the second timing clock is used as the synchronous timing clock.
Preferably, the system synchronization module includes: a count judgment unit configured to, when judging that the first count value is equal to the second count value, take a difference between the first system frame number and the second system frame number as the frame number difference, take a difference between the first system subframe number and the second system subframe number as the subframe number difference, and configure the subframe boundary difference to 0, and output a synchronization signal when judging that the first count value is not equal to the second count value; and the synchronous control unit is connected with the counting judgment unit and is used for taking the difference value between the first system frame number and the second system frame number as the frame number difference value according to the synchronous signal, and processing the subframe number difference value and the subframe boundary difference value according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number, the second system subframe number and the subframe count value of each subframe length which is obtained in advance under the synchronous timing clock.
Preferably, the subframe boundary difference value is calculated according to the following formula:
Figure SMS_16
wherein,,
Figure SMS_17
for representing the sub-frame boundary difference,/for each sub-frame>
Figure SMS_18
For representing said first count value,/or->
Figure SMS_19
For representing said second count value,/or->
Figure SMS_20
For representing the sub-frame count value.
Preferably, the subframe number difference is calculated according to the following formula:
Figure SMS_21
wherein,,
Figure SMS_22
wherein,,
Figure SMS_25
for representing the sub-frame number difference,/or->
Figure SMS_26
For representing the first system frame number,
Figure SMS_29
for representing the first system subframe number, and (2)>
Figure SMS_24
For representing said second system frame number, < > and->
Figure SMS_27
For representing the second system subframe number, and (2)>
Figure SMS_28
For representing said first count value,/or->
Figure SMS_30
For representing said second count value,/or->
Figure SMS_23
For representing the sub-frame count value.
The technical scheme has the following advantages or beneficial effects: the snapshot hardware device is not required to be additionally configured, the power consumption is saved, the synchronization mode is simple, and the precision requirement can be met.
Drawings
Fig. 1 is a flow chart of a method for synchronizing an NR system with an LTE system according to a preferred embodiment of the present invention;
FIG. 2 is a schematic flow chart of step S3 in the preferred embodiment of the present invention;
fig. 3 is a schematic diagram of a system for synchronizing an NR system with an LTE system according to a preferred embodiment of the present invention.
Detailed Description
The invention will now be described in detail with reference to the drawings and specific examples. The present invention is not limited to the embodiment, and other embodiments may fall within the scope of the present invention as long as they conform to the gist of the present invention.
In a preferred embodiment of the present invention, based on the above-mentioned problems existing in the prior art, a method for synchronizing an NR system with an LTE system is now provided, as shown in fig. 1, including: step S1, respectively acquiring a first timing clock of an NR system and a second timing clock of an LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock; step S2, periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under a synchronous timing clock of the NR system at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock of the LTE system; and step S3, processing to obtain a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system.
Specifically, assume that the LTE system needs to employ a frequency of
Figure SMS_31
The NR system uses the first clock with clock frequency of +.>
Figure SMS_32
As a timing counter. In this embodiment, the synchronous timing clock is obtained by processing the first timing clock and the second timing clock, and the larger value of the first timing clock and the second timing clock is used as the synchronous timing clock. In other words, the present invention employs a frequency of +.>
Figure SMS_33
Is used as a timing counter, wherein +.>
Figure SMS_34
Realizing that under the same synchronous timing clockAnd respectively maintaining a first system frame number and a first system subframe number of the NR system, and a second system frame number and a second system subframe number of the LTE system.
Further specifically, since the first count value of the NR system and the second count value of the LTE system are based on the same synchronization timing clock, no additional snapshot hardware device is needed for synchronization of the system frame number and the system subframe number between the NR system and the LTE system, and only the first system frame number, the first system subframe number, the first count value, and the second system frame number of the current NR system, the second system subframe number, and the second count value are obtained by software, so that a frame number difference value, a subframe number difference value, and a subframe boundary difference value between the NR system and the LTE system can be calculated, and synchronization of the NR system and the LTE system is further realized.
In a preferred embodiment of the present invention, as shown in fig. 2, step S3 includes: step S31, determining whether the first count value is equal to the second count value: if yes, taking the difference between the first system frame number and the second system frame number as a frame number difference, taking the difference between the first system subframe number and the second system subframe number as a subframe number difference, configuring the subframe boundary difference as 0, and returning to the step S2; if not, turning to step S32; step S32, the difference between the first system frame number and the second system frame number is used as a frame number difference, and the subframe number difference and the subframe boundary difference are obtained by processing according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number, the second system subframe number and the subframe count value of each subframe length under the synchronous timing clock, which are acquired in advance, and then the step S2 is returned.
Specifically, in the present embodiment, when the first count value is equal to the second count value, it is explained that the boundaries of the first system subframe number of the NR system and the second system subframe number of the LTE system are aligned, that is, the subframe boundary difference value is 0. Although the subframe boundaries between the NR system and the LTE system are aligned, there may be a difference in subframe numbers before the two, such as the boundary alignment of the 8 th subframe and the 9 th subframe, but the subframe difference is 1. Preferably, the above-mentioned subframe differences are opposite, and different symbols of the subframe differences are associated with the NR system and the LTE system. Taking the 8 th subframe as the first subframe number of the NR system and the 9 th subframe as the second subframe number of the LTE system as an example, the subframe difference value between the two is 1, but for the NR system, the subframe difference value is 1, namely the NR system obtains the 8 th subframe as the first subframe number of the NR system, and the corresponding subframe difference value is 1, the 9 th subframe as the subframe number of the LTE system can be directly calculated, so that the subframe synchronization with the LTE system is realized. For the LTE system, the subframe difference value is-1, namely the LTE system obtains the 9 th subframe of the subframe number of the second system, and when the corresponding subframe difference value is-1, the 8 th subframe of the subframe number of the NR system can be directly calculated, so that the subframe synchronization with the NR system is realized.
The frame number differences between the NR system and the LTE system are also opposite, and for symbols of different frame number differences associated with the NR system and the LTE system, specific processing modes are the same as the subframe differences, and are not repeated here.
In a preferred embodiment of the present invention, in step S32, the subframe boundary difference is calculated according to the following formula:
Figure SMS_35
wherein,,
Figure SMS_36
for representing sub-frame boundary differences,/>
Figure SMS_37
For the purpose of representing a first count value,
Figure SMS_38
for representing a second count value->
Figure SMS_39
For representing the sub-frame count value.
Specifically, in this embodiment, the above-mentioned subframe count value is a clock count value of each subframe length under the synchronous timing clock, and the above-mentioned subframe length is typically 1ms.
In a preferred embodiment of the present invention, in step S32, the subframe number difference is calculated according to the following formula:
Figure SMS_40
wherein,,
Figure SMS_41
wherein,,
Figure SMS_42
for representing the difference of sub-frame numbers,/or->
Figure SMS_46
For representing the first system frame number +.>
Figure SMS_48
For representing the first system subframe number,/or->
Figure SMS_43
For representing the second system frame number, +.>
Figure SMS_45
For representing the number of the second system sub-frame,
Figure SMS_47
for representing a first count value->
Figure SMS_49
For representing a second count value->
Figure SMS_44
For representing the sub-frame count value.
The invention also provides a system for synchronizing the NR system and the LTE system, which applies the method, as shown in figure 3, and comprises the following steps: the clock acquisition module 1 is used for respectively acquiring a first timing clock of the NR system and a second timing clock of the LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock; the clock counting module 2 is connected with the clock acquisition module 1 and is used for periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under the synchronous timing clock of the NR system at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock of the LTE system; the system synchronization module 3 is connected with the clock counting module 2 and is used for processing and obtaining a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system.
In the preferred embodiment of the present invention, in the clock acquisition module 1, the synchronous timing clock is obtained according to the processing of the first timing clock and the second timing clock, and the larger value of the first timing clock and the second timing clock is used as the synchronous timing clock.
In a preferred embodiment of the present invention, the system synchronization module 3 includes: a count judgment unit 31 for taking a difference between the first system frame number and the second system frame number as a frame number difference, taking a difference between the first system subframe number and the second system subframe number as a subframe number difference, and configuring a subframe boundary difference as 0 when judging that the first count value is equal to the second count value, and outputting a synchronization signal when judging that the first count value is not equal to the second count value; the synchronization control unit 32 is connected to the count judging unit 31, and is configured to treat a difference between the first system frame number and the second system frame number as a frame number difference according to the synchronization signal, and process the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number, the second system subframe number, and the subframe count value of each subframe length obtained in advance under the synchronization timing clock to obtain a subframe number difference and a subframe boundary difference.
In a preferred embodiment of the present invention, the subframe boundary difference is calculated according to the following formula:
Figure SMS_50
wherein,,
Figure SMS_51
for representing sub-frame boundary differences,/>
Figure SMS_52
For the purpose of representing a first count value,
Figure SMS_53
for representing a second count value->
Figure SMS_54
For representing the sub-frame count value.
In a preferred embodiment of the present invention, the subframe number difference is calculated according to the following formula:
Figure SMS_55
wherein,,
Figure SMS_56
wherein,,
Figure SMS_58
for representing the difference of sub-frame numbers,/or->
Figure SMS_59
For representing the first system frame number +.>
Figure SMS_61
For representing the first system subframe number,/or->
Figure SMS_60
For representing the second system frame number, +.>
Figure SMS_62
For representing the number of the second system sub-frame,
Figure SMS_63
for representing a first count value->
Figure SMS_64
For representing a second count value->
Figure SMS_57
For representing the sub-frame count value.
The foregoing description is only illustrative of the preferred embodiments of the present invention and is not to be construed as limiting the scope of the invention, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and drawings, and are intended to be included within the scope of the present invention.

Claims (6)

1. A method for synchronizing an NR system with an LTE system, comprising:
step S1, respectively acquiring a first timing clock of an NR system and a second timing clock of an LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock;
processing according to the first timing clock and the second timing clock to obtain the synchronous timing clock, wherein the larger value in the first timing clock and the second timing clock is used as the synchronous timing clock;
step S2, periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under the synchronous timing clock at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock;
step S3, processing to obtain a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system;
the step S3 includes:
step S31, determining whether the first count value is equal to the second count value:
if yes, taking the difference between the first system frame number and the second system frame number as the frame number difference, taking the difference between the first system subframe number and the second system subframe number as the subframe number difference, configuring the subframe boundary difference as 0, and returning to the step S2;
if not, turning to step S32;
and step S32, taking the difference value between the first system frame number and the second system frame number as the frame number difference value, processing the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number, the second system subframe number and the subframe count value of each subframe length which is obtained in advance under the synchronous timing clock to obtain the subframe number difference value and the subframe boundary difference value, and returning to the step S2.
2. The method according to claim 1, wherein in the step S32, the subframe boundary difference is calculated according to the following formula:
Figure QLYQS_1
wherein (1)>
Figure QLYQS_2
For representing the sub-frame boundary difference,/for each sub-frame>
Figure QLYQS_3
For representing the first count value in question,
Figure QLYQS_4
for representing said second count value,/or->
Figure QLYQS_5
For representing the sub-frame meterNumerical values.
3. The method according to claim 1, wherein in the step S32, the subframe number difference is calculated according to the following formula:
Figure QLYQS_7
wherein,,
Figure QLYQS_9
wherein (1)>
Figure QLYQS_11
For representing the difference in the number of the sub-frames,
Figure QLYQS_8
for representing said first system frame number, < > and->
Figure QLYQS_10
For representing the first system subframe number, and (2)>
Figure QLYQS_12
For representing said second system frame number, < > and->
Figure QLYQS_14
For representing the second system subframe number, and (2)>
Figure QLYQS_6
For representing said first count value,/or->
Figure QLYQS_13
For representing said second count value,/or->
Figure QLYQS_15
For representing the sub-frame count value.
4. A system for synchronizing an NR system with an LTE system, wherein a method according to any one of claims 1-3 is applied, the system comprising:
the clock acquisition module is used for respectively acquiring a first timing clock of an NR system and a second timing clock of an LTE system, and processing according to the first timing clock and the second timing clock to obtain a synchronous timing clock;
processing according to the first timing clock and the second timing clock to obtain the synchronous timing clock, wherein the larger value in the first timing clock and the second timing clock is used as the synchronous timing clock;
the clock counting module is connected with the clock acquisition module and is used for periodically acquiring a first system frame number, a first system subframe number and a first count value corresponding to the NR system under the synchronous timing clock at the same moment, and acquiring a second system frame number, a second system subframe number and a second count value corresponding to the LTE system under the synchronous timing clock;
the system synchronization module is connected with the clock counting module and is used for processing and obtaining a frame number difference value, a subframe number difference value and a subframe boundary difference value between the NR system and the LTE system according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number and the second system subframe number so as to synchronize the NR system and the LTE system;
the system synchronization module includes:
a count judgment unit configured to, when judging that the first count value is equal to the second count value, take a difference between the first system frame number and the second system frame number as the frame number difference, take a difference between the first system subframe number and the second system subframe number as the subframe number difference, and configure the subframe boundary difference to 0, and output a synchronization signal when judging that the first count value is not equal to the second count value;
and the synchronous control unit is connected with the counting judgment unit and is used for taking the difference value between the first system frame number and the second system frame number as the frame number difference value according to the synchronous signal, and processing the subframe number difference value and the subframe boundary difference value according to the first count value, the second count value, the first system frame number, the first system subframe number, the second system frame number, the second system subframe number and the subframe count value of each subframe length which is obtained in advance under the synchronous timing clock.
5. The system of claim 4, wherein the subframe boundary difference is calculated according to the following formula:
Figure QLYQS_16
wherein (1)>
Figure QLYQS_17
For representing the sub-frame boundary difference,/for each sub-frame>
Figure QLYQS_18
For representing the first count value in question,
Figure QLYQS_19
for representing said second count value,/or->
Figure QLYQS_20
For representing the sub-frame count value.
6. The system of claim 4, wherein the subframe number difference is calculated according to the following formula:
Figure QLYQS_22
wherein,,
Figure QLYQS_24
wherein (1)>
Figure QLYQS_26
For representing the difference in the number of the sub-frames,
Figure QLYQS_23
for representing said first system frame number, < > and->
Figure QLYQS_25
For representing the first system subframe number, and (2)>
Figure QLYQS_27
For representing said second system frame number, < > and->
Figure QLYQS_29
For representing the second system subframe number, and (2)>
Figure QLYQS_21
For representing said first count value,/or->
Figure QLYQS_28
For representing said second count value,/or->
Figure QLYQS_30
For representing the sub-frame count value.
CN202310376439.3A 2023-04-11 2023-04-11 Method and system for synchronizing NR system and LTE system Active CN116113033B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202310376439.3A CN116113033B (en) 2023-04-11 2023-04-11 Method and system for synchronizing NR system and LTE system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202310376439.3A CN116113033B (en) 2023-04-11 2023-04-11 Method and system for synchronizing NR system and LTE system

Publications (2)

Publication Number Publication Date
CN116113033A CN116113033A (en) 2023-05-12
CN116113033B true CN116113033B (en) 2023-06-30

Family

ID=86261935

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202310376439.3A Active CN116113033B (en) 2023-04-11 2023-04-11 Method and system for synchronizing NR system and LTE system

Country Status (1)

Country Link
CN (1) CN116113033B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567376B1 (en) * 1999-02-25 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Using system frame number to implement timers in telecommunications system having redundancy
WO2014071579A1 (en) * 2012-11-07 2014-05-15 华为技术有限公司 Method and apparatus for timing synchronization between cells
WO2017071276A1 (en) * 2015-10-29 2017-05-04 华为技术有限公司 Relay systems air interface time synchronization method and device
CN106686669A (en) * 2015-11-11 2017-05-17 中兴通讯股份有限公司 Synchronization method and device
CN114449644A (en) * 2021-12-31 2022-05-06 华为技术有限公司 System frame number synchronization method and related device

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102045711A (en) * 2009-10-22 2011-05-04 中国移动通信集团公司 Inter-base-station null interface synchronization tracking method and base station equipment in LTE system
CN102316574B (en) * 2010-06-30 2016-08-03 重庆重邮信科通信技术有限公司 A kind of multimode terminal system clock timing method and device
CN106572533B (en) * 2015-10-10 2020-09-11 中兴通讯股份有限公司 Paging processing method and device
KR20190082742A (en) * 2016-11-03 2019-07-10 파나소닉 인텔렉츄얼 프로퍼티 코포레이션 오브 아메리카 A first communication device, a communication method, a second communication device, and an integrated circuit
CN109391390B (en) * 2017-08-08 2022-04-05 华为技术有限公司 Method for acquiring timing deviation and related equipment
WO2020028510A1 (en) * 2018-08-01 2020-02-06 Intel Corporation Narrowband reference signal transmission for measurement and synchronization
CN111294916B (en) * 2019-07-08 2022-02-08 展讯通信（上海）有限公司 Method, device, storage medium and equipment for synchronizing LTE system and NR system
CN112564868B (en) * 2019-09-26 2023-04-07 大唐移动通信设备有限公司 Signal sending and receiving method and terminal
CN116326150A (en) * 2020-04-23 2023-06-23 瑞典爱立信有限公司 COT/FFP scheduling in unlicensed spectrum
WO2022005680A1 (en) * 2020-07-03 2022-01-06 Qualcomm Incorporated End-to-end time synchronization for cloud-based services
CN115696545A (en) * 2021-07-22 2023-02-03 华为技术有限公司 Clock synchronization method and communication device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6567376B1 (en) * 1999-02-25 2003-05-20 Telefonaktiebolaget Lm Ericsson (Publ) Using system frame number to implement timers in telecommunications system having redundancy
WO2014071579A1 (en) * 2012-11-07 2014-05-15 华为技术有限公司 Method and apparatus for timing synchronization between cells
WO2017071276A1 (en) * 2015-10-29 2017-05-04 华为技术有限公司 Relay systems air interface time synchronization method and device
CN106686669A (en) * 2015-11-11 2017-05-17 中兴通讯股份有限公司 Synchronization method and device
CN114449644A (en) * 2021-12-31 2022-05-06 华为技术有限公司 System frame number synchronization method and related device

Also Published As

Publication number Publication date
CN116113033A (en) 2023-05-12

Similar Documents

Publication Publication Date Title
CN102998970B (en) High-precision time hack synchronizing method based on CRIO platform
KR100744326B1 (en) Method and apparatus for synchronizing time of assisted global positioning system module in mobile terminal using system time information
CN108988975B (en) Correction method and device for ammeter clock
CN105025503B (en) A kind of standing-wave ratio detecting method and system of TD-LTE RRU
US8879610B2 (en) Apparatus and method for changing a clock rate for transmission data
CN116113033B (en) Method and system for synchronizing NR system and LTE system
CN103235500A (en) Satellite time service method and timing device based on beidou
EP2370830B1 (en) Methods and apparatus for obtaining gnss time in a gnss receiver
CN102111868A (en) Null interface synchronization method and base station
JP6898903B2 (en) Transceiver with real-time clock
WO2020252797A1 (en) Clock distribution method and apparatus in network
US20160212723A1 (en) Synchronization method and apparatus
CN103684358A (en) Sampling pulse generation method and device
CN111107623A (en) System clock synchronization method
CN105960820A (en) Synchronization device and method
CN112558685B (en) Method for synchronizing time between power distribution terminal modules
CN106209090A (en) A kind of combining unit pulse per second (PPS) synchronism output system and method based on FPGA
CN110908272B (en) 1pps pulse signal timing method
EP2777498A1 (en) Blood glucose monitoring system having wireless communication module to which time synchronization method is applied
CN112506268B (en) Time synchronization method, device, equipment and storage medium among multiple FPGA (field programmable Gate array)
CN104735772B (en) A kind of device and method of Timing Synchronization
JP2004023350A (en) Base station, communication method, communication program, and computer-readable recording medium stored with the communication program
CN112805958A (en) Time synchronization method and device
CN114124273B (en) Time acquisition method, related device and equipment and computer readable storage medium
CN111294900A (en) Paging receiving method and device, storage medium and terminal

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20231107

Address after: Unit 2, Building 6, No. 171 Hele Er Street, Yuan19th Floor, Chengdu High tech Zone, China (Sichuan) Pilot Free Trade Zone, Chengdu City, Sichuan Province, 610213

Patentee after: Chengdu Xinjixun Communication Technology Co.,Ltd.

Address before: 200120 Room 401-404, Building 2, Lane 60, Naxian Road, China (Shanghai) Pilot Free Trade Zone, Pudong New Area, Shanghai

Patentee before: Shanghai Xinjixun Communication Technology Co.,Ltd.