CN110167089A - A kind of network equipment, wireless communication system and channel switching method - Google Patents
A kind of network equipment, wireless communication system and channel switching method Download PDFInfo
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- CN110167089A CN110167089A CN201910530564.9A CN201910530564A CN110167089A CN 110167089 A CN110167089 A CN 110167089A CN 201910530564 A CN201910530564 A CN 201910530564A CN 110167089 A CN110167089 A CN 110167089A
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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
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
- H04W36/0016—Hand-off preparation specially adapted for end-to-end data sessions
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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Abstract
The invention discloses a kind of network equipment, wireless communication system and channel switching methods, are first aligned the first channel of present communications with the time slot of to be switched second channel, then carry out channel switching.The network equipment includes synchronization signal sending module, public broadcasting signal transmitting module and channel control module；The network equipment sends DL synchronization signal, issues time slit instruction signal, and different channels time slot is aligned；Terminal device receives DL synchronization signal, and determines the starting point and end point of time slot, locks timeslot number according to time slit instruction signal, completes different channels switching.Technical solution of the present invention no longer needs to realign time slot by synchronization pattern SYNC when switching channel, it does not need to indicate that information locking on the time slot of needs, shortens voice or the turn-on time of other business by the time slot of common broadcast channel CACH yet.
Description
Technical field
The present invention relates to wireless network communication technique field, more particularly to a kind of network equipment, wireless communication system and
Channel switching method.
Background technique
In DMR (digital mobile intercom, Digital Mobile Radio) or PDT (public number cluster, Public
Digital Trunking) in communication system, the time is divided into 2 time slots, each time slot 30ms, and timeslot number is incremented to 2 from 1
It is constantly recycled since 1 again afterwards, terminal or base station selected one of time slot are communicated, and are not interfered mutually between each time slot
To improve the utilization rate of frequency.Time slot is usually not between the channel of different base station or between the channel of same base station
There is alignment, terminal needs time slot to be carried out by SYNC (synchronization pattern, Synchronization) when channel switches
It realigns, then information lock is indicated by the time slot of CACH (common broadcast channel, Common Announcement Channel)
Be scheduled on the time slot of needs, the step for probably expend 100ms~600ms time, the communication that this time increases terminal connects
The turn-on time of the angle of incidence, the voice or other business that lead to terminal is elongated.
Summary of the invention
The application proposes a kind of network equipment, wireless communication system and channel switching method, solves the communication access of terminal
Time is longer, leads to the problem of the voice of terminal or the turn-on time length of other business.
The embodiment of the present application provides a kind of network equipment, including synchronization signal sending module, public broadcasting signal send mould
Block and channel control module.
Synchronization signal sending module, for sending DL synchronization signal；The DL synchronization signal is for determining time slot
Starting point and/or end point.
Public broadcasting signal transmitting module, for issuing time slit instruction signal by common broadcast channel CACH；When described
Gap indication signal, including gap information, for locking timeslot number.
Channel control module, for the first channel to be aligned with second channel time slot.
Preferably, first channel and the second channel are issued by consolidated network equipment.
Preferably, when being aligned reference as time slot using absolute time between first channel and the second channel
Between；The time slot is aligned the reference time, for determining the starting point and/or end point of time slot.
Preferably, when using GPS time or Beidou satellite navigation system between first channel and the second channel
Between as the time slot be aligned the reference time.
Preferably, first channel is issued by first network equipment, and the second channel is issued by second network equipment.
Preferably, using the time conduct of wherein any one channel between first channel and the second channel
The time slot is aligned the reference time.
Preferably, the time slot configuration information configuration transmitted by the universal input and output port GPIO of the master network device
First channel and/or the second channel；The time slot configuration information can be high level and/or low level.
The present invention also provides a kind of wireless communication systems, including the network equipment and terminal device；
The network equipment includes synchronization signal sending module, public broadcasting signal transmitting module and channel control module；
The synchronization signal sending module sends DL synchronization signal for the network equipment；The public broadcasting signal sends mould
Block, for issuing time slit instruction signal by common broadcast channel CACH；The channel control module is used for the network equipment
The first channel be aligned with second channel time slot and/or first network equipment issue the first channel and second network equipment hair
Second channel time slot alignment out；
The terminal device includes synchronous signal receiver module, time slit instruction signal receiving module, channel switching module；Institute
Synchronous signal receiver module is stated, the DL synchronization signal issued for receiving the network equipment, and determine the starting point of time slot
And end point；The time slit instruction signal receiving module receives what common broadcast channel CACH was issued for the terminal device
Time slit instruction signal, and lock timeslot number；The channel switching module is switched for controlling the terminal device by the first channel
To second channel.
Preferably, the terminal device is one of mobile terminal, mobile phone, Vehicle mounted station, hand transceiver.
The present invention also provides a kind of channel switching methods of wireless communication system, comprising the following steps:
The alignment of network equipment channel time slot；
Terminal device receives the DL synchronization signal that the network equipment issues, and the DL synchronization signal is for determining time slot
Starting point and/or end point；
The terminal device locks timeslot number according to the time slit instruction signal of common broadcast channel CACH；
The communication of the terminal device switches to second channel by the first channel.
The embodiment of the present application use at least one above-mentioned technical solution can reach it is following the utility model has the advantages that
The present invention provides a kind of shortening terminal speech or the channel switching method of other service access times, this method to exist
It no longer needs to realign time slot by synchronization pattern SYNC when switching channel, does not also need to pass through public broadcasting
The time slot instruction information locking of channel CACH shortens voice or the turn-on time of other business on the time slot of needs.
Detailed description of the invention
The drawings described herein are used to provide a further understanding of the present application, constitutes part of this application, this Shen
Illustrative embodiments and their description please are not constituted an undue limitation on the present application for explaining the application.In the accompanying drawings:
Fig. 1 is a kind of network equipment infrastructure schematic diagram；
Fig. 2 is to switch channel method schematic diagram between the channel of consolidated network equipment；
Fig. 3 is to switch channel method schematic diagram between the channel of heterogeneous networks equipment room；
Fig. 4 is a kind of wireless communication system schematic diagram；
Fig. 5 is that a kind of channel switches channel method flow chart.
Specific embodiment
To keep the purposes, technical schemes and advantages of the application clearer, below in conjunction with the application specific embodiment and
Technical scheme is clearly and completely described in corresponding attached drawing.Obviously, described embodiment is only the application one
Section Example, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall in the protection scope of this application.
Current communication channel by being first aligned by the present invention with the time slot of to be switched intended communication channel, then carries out channel
The method of switching.
Below in conjunction with attached drawing, the technical scheme provided by various embodiments of the present application will be described in detail.
Fig. 1 gives a kind of network equipment schematic diagram, and wherein the network equipment 1 includes synchronization signal sending module 11, public
Broadcast singal sending module 12 and channel control module 13.
Synchronization signal sending module 11, for sending DL synchronization signal；The network equipment synchronizes down to terminal device transmission
Row signal, DL synchronization signal have synchronization pattern, and terminal device receives under the synchronization with synchronization pattern of network equipment transmission
Row signal；The DL synchronization signal is used to determine the starting point and/or end point of time slot, and terminal device is true by synchronization pattern
The starting point and/or end point of timing gap.
Public broadcasting signal transmitting module 12, for issuing time slit instruction signal by common broadcast channel CASH；It is described
Time slit instruction signal, including gap information, for locking timeslot number；The time slit instruction signal packet that common broadcast channel CACH is sent
It has included timeslot number and has been sent on terminal device, terminal device can be locked on the time slot of needs.
Channel control module 13, for the first channel to be aligned with second channel time slot；First channel, that is, terminal device is cut
Communication channel before changing channel, second channel, that is, terminal device switch the communication channel after channel；Terminal device has determined downlink
The time location of channel also determines that the slot starting point of down channel, such as the starting point of time slot 1, terminal device and downlink letter
After the alignment of road time slot, the boundary of time slot of up channel is also aligned with down channel time slot.
Before channel switching, terminal device has passed through synchronization pattern and has carried out pair to time slot when also communicating on the first channel
Together, the time slot instruction information locking of common broadcast channel CACH has been passed through on the time slot of needs.When terminal device is switched to
When second channel, if the time slot between each channel is alignment and the timeslot number that window transmits at the same time
And it is identical, then terminal device does not need to dock time slot according to synchronization pattern after being switched to second channel, not yet
It needs the time slot of common broadcast channel CACH to indicate information locking time slot, time slot can be carried out according to the information of original channel
Alignment and time slot locking.
The network equipment 1 as described above, first channel and the second channel are issued by consolidated network equipment；That is channel
The different channels of consolidated network equipment can be carried out time slot alignment by control module, and terminal device carries out channel switching and occurs same
Switching between the different channels of the network equipment.
The network equipment 1 as described above, using absolute time as time slot between first channel and the second channel
It is aligned the reference time, the time slot is aligned the reference time, for determining the starting point and/or end point of time slot；Such as arrange
0 divides 0 second and starts i.e. T0 for time slot 1 when 30 days 15 May in 2019, then all channels of the network equipment all carry out pair according to T0
Together, also divide the beginning that 0 second is time slot 1, the first channel of the network equipment and the second letter respectively with when 30 days 15 May in 2019 0
Road also divides the beginning that 0 second is time slot 1 with when 30 days 15 May in 2019 0, that is, has carried out the alignment of time slot.
The network equipment 1 as described above, between the first channel of the present communications and the second channel of the destinations traffic
Reference time is aligned as the time slot using GPS time or Beidou satellite navigation system time；The network equipment is used to be aligned letter
The absolute time in road can be used uniformly the absolute time of GPS time, Beidou satellite navigation system time or other navigation system
Between as time slot alignment standard.
The network equipment 1 as described above, first channel are issued by first network equipment, and the second channel is by the second net
Network equipment issues；The channel control module 13, by described first when for the terminal device and the network device communications
First channel of the network equipment is switched to be aligned with the second channel time slot of second network equipment；I.e. channel control module can also incite somebody to action
The different channels of heterogeneous networks equipment carry out time slot alignment, terminal device carry out channel switching occur heterogeneous networks equipment not
Switching between cochannel.
The network equipment 1 as described above, using wherein any one letter between first channel and the second channel
The time in road is aligned the reference time as the time slot；Can be using one of channel as main channel, other channels are referring to main
After the reference time of channel carries out time slot alignment, terminal device carries out channel switching again.
The network equipment 1 as described above is believed by the time slot that the universal input and output port GPIO of the network equipment is transmitted
Breath configures first channel and/or the second channel；The time slot configuration information can be high level and/or low level；
The main channel of the network equipment can be exported time slot configuration information by universal input and output port GPIO, such as when high level expression
Gap 1, low level represent time slot 2, and the channel of other network equipment channels or present networks equipment is then aware of by this information
The beginning of time slot 1 or time slot 2；Can be using rising edge as the beginning of time slot 1, other channels are general according to the network equipment
Main channel gap information that input/output port GPIO is provided carry out time slot alignment with it is synchronous.
Fig. 2 is to switch channel procedure schematic diagram between the different channels of consolidated network equipment.
In consolidated network equipment BS1, it is time slot at the T0 moment that the channel 1 and channel 2 of BS1, which is alignment in time,
Boundary, and the T0 moment be all time slot 1 start be then next in T0+30ms because the length of each time slot is 30ms
Time slot i.e. 2 beginning is recycled to time slot 1 in T0+60ms again.If channel 1 of the terminal device in network equipment BS1 has been known
T0 is the beginning of time slot 1, and being switched to after the channel 2 of base station BS 1 may know that correspondence by calculating T0+x*30ms (x is 1 or 2)
Time slot and boundary, it is no longer necessary to determined by synchronization pattern SYNC and common broadcast channel CHAH information, shorten switching
The turn-on time of channel.
Fig. 3 is to switch channel procedure schematic diagram between the channel of heterogeneous networks equipment.
BS1 and BS2 is two different network equipments, and the channel 1 of network equipment BS1 and the channel 2 of network equipment BS2 exist
It is alignment on time, is the boundary of time slot at the T0 moment, and is all the beginning of time slot 1 at the T0 moment, because each time slot
Length is 30ms, is then the next time slot i.e. beginning of time slot 2 in T0+30ms, is recycled to time slot 1 again in T0+60ms.If eventually
End equipment has known that T0 is the beginning of time slot 1 in the channel 1 of network equipment BS1, after being switched to the channel 2 of network equipment BS2
May know that corresponding time slot and boundary by calculating T0+x*30ms (x be 1 or 2), it is no longer necessary to by synchronization pattern SYNC with
Common broadcast channel CACH information determines, shortens the turn-on time of switching channel.Switch from the channel 1 of network equipment BS2
To base station BS 1 channel 1 also use same procedure the step of.
Fig. 4 is a kind of wireless communication system schematic diagram, wherein channel switch system includes terminal device and the network equipment.
The network equipment 1 can be the network equipment described in any one embodiment of the application, including synchronization signal hair
Send module 11, public broadcasting signal transmitting module 12 and channel control module 13.
The synchronization signal sending module 11 sends DL synchronization signal for the network equipment 1；The network equipment is to end
End equipment sends DL synchronization signal, and DL synchronization signal has synchronization pattern, and terminal device 2 receives the transmission of the network equipment 1
DL synchronization signal with synchronization pattern；The DL synchronization signal is used to determine the starting point and/or end point of time slot, terminal
Equipment determines the starting point and/or end point of time slot by synchronization pattern.
The public broadcasting signal transmitting module 12, for issuing time slit instruction signal by common broadcast channel CACH；
The time slit instruction signal, including gap information, for locking timeslot number；The time slot that common broadcast channel CACH is sent indicates letter
Number include timeslot number and be sent on terminal device 2, terminal device 2 can be locked on the time slot of needs.
The channel control module 13 is aligned for 1 first channel of the network equipment with second channel time slot, and/or
The network equipment first communication channel is aligned with the second channel time slot of another network equipment；The network equipment 1 switches in channel
The channel time slot of preceding present networks equipment has been aligned, or has been aligned with the channel time slot of another network equipment, it is ensured that channel
Time slot when switching between each channel has been alignment and the timeslot number of window transmission is also identical at the same time
, then not needing time slot to be docked according to synchronization pattern after terminal device switching channel, do not need the time slot of CACH yet
It indicates information locking time slot, need to can only carry out alignment and time slot locking to time slot according to the information of original channel.
The terminal device 2 includes synchronous signal receiver module 21, time slit instruction signal receiving module 22, channel switching mould
Block 23.
The synchronous signal receiver module 21, the DL synchronization signal issued for receiving the network equipment 1, and determine
The starting point and end point of time slot；The terminal device 2 receives the same of network equipment sending by synchronous signal receiver module 21
Walk downlink signal, DL synchronization signal includes synchronization pattern, terminal device by synchronization pattern determine time slot starting point and/or
End point.
The time slit instruction signal receiving module 22 receives common broadcast channel CACH for the terminal device 2 and issues
Time slit instruction signal, and lock timeslot number；Terminal device 2 receives the time slit instruction signal that common broadcast channel CACH is sent,
Time slit instruction signal includes timeslot number, and terminal device 2 can be locked on the time slot of needs according to timeslot number.
The channel switching module 23 switches to second channel by the first channel for controlling the terminal device 2；First
Communication channel before channel, that is, terminal device switching channel, second channel, that is, terminal device switch the communication channel after channel；Eventually
End equipment 2 has determined the time location of down channel, also determines that the slot starting point of down channel, such as the starting point of time slot 1,
After terminal device 2 and the alignment of down channel time slot, the boundary of time slot of up channel is also aligned with down channel time slot；Channel switching
Module 23 can control terminal device 2 and switch to second channel by the first channel of consolidated network equipment 1, also can control terminal
2 equipment are switched to the second channel of another network equipment by the first channel of current network device.
Such as above-mentioned channel switch system, terminal device can be mobile terminal, mobile phone, Vehicle mounted station, in hand transceiver
It is a kind of.
Fig. 5 is that a kind of channel switches channel method flow chart, comprising the following steps:
Step S1, the alignment of network equipment channel time slot；Before channel switching, time slot is had been carried out in each channel of the network equipment
Alignment has passed through the time slot instruction information locking of CACH on the time slot of needs.
The standard of time slot alignment, that is, time slot alignment reference time can be with absolute time such as GPS time or Beidou satellite navigation
System time is used as to its standard, and the reference time can also be aligned using the time of any channel of the network equipment as time slot；I.e.
Using any channel as main channel, it is aligned the reference time using the main channel time as time slot, the general defeated of the network equipment can be used
Enter the first channel of time slot configuration information configuration and/or second channel of output port GPIO transmission, the main channel meeting of the network equipment
Time slot configuration information is exported by universal input and output port GPIO, for example high level indicates time slot 1, low level represents time slot
2, the channel of other network equipment channels or present networks equipment is then aware of the beginning of time slot 1 or time slot 2 by this information；
Can be using rising edge as the beginning of time slot 1, other channels are given according to the universal input and output port GPIO of the network equipment
Main channel gap information out carry out time slot alignment with it is synchronous.
Step S2, terminal device receive the DL synchronization signal that the network equipment issues, and the DL synchronization signal is for true
The starting point and/or end point of timing gap；The network equipment sends DL synchronization signal to terminal device, and DL synchronization signal has
Synchronization pattern, terminal device receive the DL synchronization signal with synchronization pattern of network equipment transmission to determine the starting point of time slot
And/or end point.
Step S3, the terminal device lock timeslot number according to the time slit instruction signal of common broadcast channel CACH；It is public
Broadcast channel CACH issues time slit instruction signal, including gap information, can be used for locking timeslot number；Terminal device can basis
Timeslot number is locked on the time slot of needs.
The communication of step S4, the terminal device switch to second channel by the first channel；First channel of the network equipment
After being aligned with second channel time slot, channel switchover operation is executed, terminal device has passed through synchronization pattern before switching due to channel
Time slot is aligned, has passed through the time slot instruction information locking of common broadcast channel CACH on the time slot of needs, respectively
Time slot between a channel be alignment and also at the same time window transmission timeslot number be also it is identical, a channel is same
It walks, all channels are all synchronized, and do not need the time location for determining down channel again after being switched to new channel.
It should also be noted that, the terms "include", "comprise" or its any other variant are intended to nonexcludability
It include so that the process, method, commodity or the equipment that include a series of elements not only include those elements, but also to wrap
Include other elements that are not explicitly listed, or further include for this process, method, commodity or equipment intrinsic want
Element.In the absence of more restrictions, the element limited by sentence "including a ...", it is not excluded that including described want
There is also other identical elements in the process, method of element, commodity or equipment.
The above description is only an example of the present application, is not intended to limit this application.For those skilled in the art
For, various changes and changes are possible in this application.All any modifications made within the spirit and principles of the present application are equal
Replacement, improvement etc., should be included within the scope of the claims of this application.
Claims (10)
1. a kind of network equipment, which is characterized in that including synchronization signal sending module, public broadcasting signal transmitting module and channel
Control module；
Synchronization signal sending module, for sending DL synchronization signal；The DL synchronization signal is used to determine the starting of time slot
Point and/or end point；
Public broadcasting signal transmitting module, for issuing time slit instruction signal by common broadcast channel CASH；The time slot refers to
Show signal, including gap information, for locking timeslot number；
Channel control module, for the first channel to be aligned with second channel time slot.
2. the network equipment as described in claim 1, which is characterized in that first channel and the second channel are by consolidated network
Equipment issues.
3. the network equipment as claimed in claim 2, which is characterized in that using exhausted between first channel and the second channel
As time slot is aligned the reference time to the time；The time slot is aligned the reference time, for determining the starting point and/or end of time slot
Point.
4. the network equipment as claimed in claim 3, which is characterized in that used between first channel and the second channel
GPS time or Beidou satellite navigation system time are as the time slot alignment reference time.
5. the network equipment as described in claim 1, which is characterized in that first channel is issued by first network equipment, described
Second channel is issued by second network equipment.
6. the network equipment as described in claim 1,2 or 5, which is characterized in that first channel and the second channel it
Between the reference time is aligned as the time slot using the time of wherein any one channel.
7. the network equipment as claimed in claim 6, which is characterized in that pass through the universal input and output port of the network equipment
First channel and/or the second channel described in the time slot configuration information configuration of GPIO transmission；The time slot configuration information can be with
It is high level and/or low level.
8. a kind of wireless communication system, which is characterized in that including network described in terminal device and claim 1~7 any one
Equipment；
The network equipment includes synchronization signal sending module, public broadcasting signal transmitting module and channel control module；It is described
Synchronization signal sending module sends DL synchronization signal for the network equipment；The public broadcasting signal transmitting module is used
Time slit instruction signal is issued in passing through common broadcast channel CASH；The channel control module, for the network equipment
What the first channel and second network equipment that one channel is aligned with second channel time slot and/or first network equipment issues issued
The alignment of second channel time slot；
The terminal device includes synchronous signal receiver module, time slit instruction signal receiving module, channel switching module；It is described same
Signal receiving module is walked, the DL synchronization signal issued for receiving the network equipment, and determine the starting point and knot of time slot
Beam spot；The time slit instruction signal receiving module receives the time slot that common broadcast channel CASH is issued for the terminal device
Indication signal, and lock timeslot number；The channel switching module switches to by the first channel for controlling the terminal device
Two channels.
9. wireless communication system as claimed in claim 8, which is characterized in that the terminal device is mobile terminal, mobile phone, vehicle-mounted
One of platform, hand transceiver.
10. a kind of channel switching method for claim 8~9 any system, which comprises the following steps:
The alignment of network equipment channel time slot；
Terminal device receives the DL synchronization signal that the network equipment issues, and the DL synchronization signal is used to determine the starting of time slot
Point and/or end point；
The terminal device locks timeslot number according to the time slit instruction signal of common broadcast channel CASH；
The communication of the terminal device switches to second channel by the first channel.
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808754A (en) * | 2019-09-30 | 2020-02-18 | 泉州市琪祥电子科技有限公司 | Vehicle-mounted interphone with same-frequency relay function |
Citations (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247437A (en) * | 1998-09-04 | 2000-03-15 | 深圳市华为技术有限公司 | Method for synchronizing all basic station over network in mobile communication system |
| CN101043256A (en) * | 2006-03-23 | 2007-09-26 | 大唐移动通信设备有限公司 | User access method for TDD mode |
| CN101272176A (en) * | 2007-03-21 | 2008-09-24 | 大唐移动通信设备有限公司 | Initial synchronization method and device of upstream channel |
| CN101689919A (en) * | 2008-09-28 | 2010-03-31 | 深圳市好易通科技有限公司 | Method for implementing digital mobile radio private network communication, digital mobile radio private network communication terminal, relay station and system |
| US20100085952A1 (en) * | 2008-10-03 | 2010-04-08 | Motorola, Inc. | Method of Communicating which Channel is to be Monitored by Subscriber Units that are Idle in a Communication System |
| CN101828342A (en) * | 2008-09-28 | 2010-09-08 | 海能达通信股份有限公司 | Communication terminal, communication system and realization method for dmr special network |
| US20120135765A1 (en) * | 2010-11-30 | 2012-05-31 | Motorola, Inc. | Method and apparatus for sending a channel timing message in a digital mobile radio system |
| US20120224607A1 (en) * | 2009-11-19 | 2012-09-06 | Hytera Communications Corp., Ltd. | Method and network side device for trunking communication |
| CN103024788A (en) * | 2012-12-23 | 2013-04-03 | 杭州宏睿通信技术有限公司 | Method for simultaneous communication between DMR (digital mobile radio)/PDT (portable data terminal) devices in double time slots |
| CN104244401A (en) * | 2014-10-16 | 2014-12-24 | 成都微址科技有限公司 | Satellite timing service-based wireless communication method and satellite timing service-based wireless communication device |
| CN107018173A (en) * | 2016-01-27 | 2017-08-04 | 海能达通信股份有限公司 | Method, terminal device, network side equipment and the system of data transfer |
| CN107836130A (en) * | 2015-07-15 | 2018-03-23 | 诺基亚通信公司 | It is used for the coordination with the downlink channel allocation of access point cluster communication in wireless network |
| CN108650643A (en) * | 2018-05-10 | 2018-10-12 | 福建科立讯通信有限公司 | A kind of effective method for reducing the signaling response time in DMR/MPT terminal devices |
| CN109151983A (en) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | A kind of sending method of information, method of reseptance and the network equipment and terminal device |
-
2019
- 2019-06-19 CN CN201910530564.9A patent/CN110167089B/en active Active
Patent Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1247437A (en) * | 1998-09-04 | 2000-03-15 | 深圳市华为技术有限公司 | Method for synchronizing all basic station over network in mobile communication system |
| CN101043256A (en) * | 2006-03-23 | 2007-09-26 | 大唐移动通信设备有限公司 | User access method for TDD mode |
| CN101272176A (en) * | 2007-03-21 | 2008-09-24 | 大唐移动通信设备有限公司 | Initial synchronization method and device of upstream channel |
| CN101689919A (en) * | 2008-09-28 | 2010-03-31 | 深圳市好易通科技有限公司 | Method for implementing digital mobile radio private network communication, digital mobile radio private network communication terminal, relay station and system |
| CN101828342A (en) * | 2008-09-28 | 2010-09-08 | 海能达通信股份有限公司 | Communication terminal, communication system and realization method for dmr special network |
| US20100085952A1 (en) * | 2008-10-03 | 2010-04-08 | Motorola, Inc. | Method of Communicating which Channel is to be Monitored by Subscriber Units that are Idle in a Communication System |
| US20120224607A1 (en) * | 2009-11-19 | 2012-09-06 | Hytera Communications Corp., Ltd. | Method and network side device for trunking communication |
| US20120135765A1 (en) * | 2010-11-30 | 2012-05-31 | Motorola, Inc. | Method and apparatus for sending a channel timing message in a digital mobile radio system |
| CN103238367A (en) * | 2010-11-30 | 2013-08-07 | 摩托罗拉解决方案公司 | Method and apparatus for sending a channel timing message in a digital mobile radio system |
| CN103024788A (en) * | 2012-12-23 | 2013-04-03 | 杭州宏睿通信技术有限公司 | Method for simultaneous communication between DMR (digital mobile radio)/PDT (portable data terminal) devices in double time slots |
| CN104244401A (en) * | 2014-10-16 | 2014-12-24 | 成都微址科技有限公司 | Satellite timing service-based wireless communication method and satellite timing service-based wireless communication device |
| CN107836130A (en) * | 2015-07-15 | 2018-03-23 | 诺基亚通信公司 | It is used for the coordination with the downlink channel allocation of access point cluster communication in wireless network |
| CN107018173A (en) * | 2016-01-27 | 2017-08-04 | 海能达通信股份有限公司 | Method, terminal device, network side equipment and the system of data transfer |
| CN109151983A (en) * | 2017-06-16 | 2019-01-04 | 华为技术有限公司 | A kind of sending method of information, method of reseptance and the network equipment and terminal device |
| CN108650643A (en) * | 2018-05-10 | 2018-10-12 | 福建科立讯通信有限公司 | A kind of effective method for reducing the signaling response time in DMR/MPT terminal devices |
Non-Patent Citations (3)
| Title |
|---|
| 乔宁; 孙鹏飞; 薛德友: "改进的DMR位同步算法", 《通信技术》 * |
| 王冬海; 杨青山; 胡汉武: "基于DSP的DMR终端时隙同步设计与实现", 《现代电子技术》 * |
| 龚乐中; 闫路平; 王俊人: "公网PoC软对讲与PDT数字集群互通方案", 《通信技术》 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110808754A (en) * | 2019-09-30 | 2020-02-18 | 泉州市琪祥电子科技有限公司 | Vehicle-mounted interphone with same-frequency relay function |
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