CN107872869A - A kind of method and device for sending message - Google Patents
A kind of method and device for sending message Download PDFInfo
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- CN107872869A CN107872869A CN201610853070.0A CN201610853070A CN107872869A CN 107872869 A CN107872869 A CN 107872869A CN 201610853070 A CN201610853070 A CN 201610853070A CN 107872869 A CN107872869 A CN 107872869A
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- mobile terminal
- base station
- random access
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- pond
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- 238000000034 method Methods 0.000 title claims description 35
- 230000005540 biological transmission Effects 0.000 claims description 29
- 238000001514 detection method Methods 0.000 claims description 15
- 230000001174 ascending effect Effects 0.000 claims description 14
- 230000001360 synchronised effect Effects 0.000 claims description 4
- 238000004891 communication Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 2
- 230000007774 longterm Effects 0.000 description 2
- 230000000737 periodic effect Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
- H04W74/0833—Random access procedures, e.g. with 4-step access
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of method and device for sending message.This method includes：Mobile terminal and base station synchronize；If the mobile terminal, after synchronously completing, the mobile terminal initiates Stochastic accessing, the base station carries out user's detection and carries out accidental access response；After the mobile terminal accesses the base station, the base station is by presetting system message of the wave beam to mobile terminal transmission.The present invention reduces the transmission of always on signals, and the specific system message of mobile terminal is advantageous to strengthen MPS process performance without the system message of full MPS process.
Description
Technical field
The present embodiments relate to the technical field of communication, more particularly to a kind of method and device for sending message.
Background technology
At present, the scheme of the 5th generation communication system is being deployed, and for more flexible scheduling resource, reduces opening for signaling
Pin, compared with present forth generation communication system, 5G requirements reduce the transmission of always on signals as far as possible, at utmost
On the lifting availability of frequency spectrum.
In existing forth generation communication system Long Term Evolution (Long Term Evolution, LTE), system message point
For Master Information Block (Master information block, MIB) and system information block (system information
Block, SIB) two kinds of message, wherein MIB message bearings Physical Broadcast Channel (physical broadcast channel,
PBCH sent in), SIB message bearings are at physical data shared channel (physical data share channel, PDSCH)
Middle transmission, both sent for periodic broadcast, it is necessary to cover whole cell.
In synchronous phase, acquisition for mobile terminal timing and cell id, mobile terminal can be true according to these information
Determine PBCH position, and carry out reception demodulation, and then the information such as system bandwidth, PHICH configuration informations and frame number can be obtained, profit
Configured with system bandwidth and physics automatic re-transmission indicating channel (physical HARQ indication channel, PHICH)
Information, the reception of message can be controlled, the reception of SIB message is realized by control message.But periodically broadcast accounts for
Use ample resources.
The content of the invention
The purpose of the embodiment of the present invention is to propose a kind of method and device for sending message, it is intended to which how solution avoids big
The problem of occupancy of the periodic broadcast resource of amount.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, a kind of method for sending message, methods described include：
Mobile terminal and base station synchronize；
If the mobile terminal, after synchronously completing, the mobile terminal initiates Stochastic accessing, the base station carries out user
Detect and carry out accidental access response；
After the mobile terminal accesses the base station, the base station is sent by default wave beam to the mobile terminal
System message.
Preferably, the mobile terminal and base station synchronize, including：
The mobile terminal retrieves synchronizing signal, and obtains the unique mark letter of the synchronizing signal and the base station
Breath；
The mobile terminal determines descending the transmission beam direction and downlink reception beam direction of the base station.
Preferably, if the mobile terminal is after synchronously completing, the mobile terminal initiates Stochastic accessing, including：
The mobile terminal determines random access resource according to the position and the unique identification information of the synchronizing signal
The position in pond, and determined according to the position of the synchronizing signal, the unique identification information and the descending transmission beam direction
One group of random access sequence or running time-frequency resource, one of random access sequence or running time-frequency resource is therefrom selected to carry out random
Access；
The mobile terminal is sent using the downlink reception beam direction as sending direction to the random access resource
Signal is accessed, to cause the base station to detect the access signal in all random access resource ponds, if the base station is detected
To the access signal, then the group according to belonging to the random access resource, determines accidental access response resource pool, and passes through institute
State accidental access response resource pool and the descending reply for sending wave beam and carrying out Stochastic accessing；
The mobile terminal sends MSG3 according to the reply of the base station in ascending resource position corresponding to the reply,
The MSG3 includes the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, the shifting
The type of dynamic terminal and/or the service quality of the mobile terminal, are the mobile terminal to cause the base station to send MSG4
Distribution cell-radio network identifies CRNTI temporarily.
Preferably, methods described also includes：
The base station predefines the random access resource pond and the accidental access response resource pool；
Wherein, the binding positions of the position in the random access resource pond and synchronizing signal, the random access resource pond
There are K parts, K is more than or equal to 1, and the random access resource pond of difference group corresponds to different descending transmission beam directions；
The binding positions of the accidental access response resource pool and synchronizing signal, and the random access resource pond from different groups
Bound, the random access resource pond is used for the base station and replys the access signal to the mobile terminal.
Preferably, the position in the random access resource pond and the position of the accidental access response resource pool and the base
The unique mark stood is corresponding.
Preferably, the base station carries out user's detection and carries out accidental access response, including：
Access signal is detected in all random access resource ponds in the base station；
If the base station detects the access signal, group of the base station according to belonging to the random access resource,
Accidental access response resource pool is determined, and Stochastic accessing is carried out by the accidental access response resource pool and descending transmission wave beam
Reply, to cause reply of the mobile terminal according to the base station, sent in ascending resource position corresponding to the reply
MSG3, the MSG3 include the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, institute
State the type of mobile terminal and/or the service quality of the mobile terminal；
The base station sends MSG4 to the mobile terminal, and distribute cell-radio network for the mobile terminal identifies temporarily
CRNTI。
Preferably, the system message that the base station is sent by presetting wave beam to the mobile terminal, including：
The base station is that the mobile terminal sends system message using default wave beam in specific time window.
Preferably, the base station is that the terminal sends system message using default wave beam in specific time window,
Including：
The base station uses default wave beam to send system message for the terminal in specific time window, or described
Base station is notified to the mobile terminal by the downstream message of random access procedure.
Second aspect, a kind of device for sending message, described device include：
Synchronization module, for being synchronized with base station；
AM access module, if for the mobile terminal after synchronously completing, Stochastic accessing is initiated, carry out user's detection and go forward side by side
Row accidental access response；
Sending module, after accessing the base station in the mobile terminal, by default wave beam to described mobile whole
Hold the system message sent.
Preferably, the synchronization module, is specifically used for：
Synchronizing signal is retrieved, and obtains the unique identification information of the synchronizing signal and the base station；
Determine descending the transmission beam direction and downlink reception beam direction of the base station.
Preferably, the AM access module, is specifically used for：
The position in random access resource pond, and institute are determined according to the position of the synchronizing signal and the unique identification information
State the position of synchronizing signal, the unique identification information and the descending transmission beam direction determine one group of random access sequence or
Person's running time-frequency resource, one of random access sequence or running time-frequency resource is therefrom selected to carry out Stochastic accessing；
Using the downlink reception beam direction as sending direction, access signal is sent to the random access resource, with
So that the access signal is detected in the base station in all random access resource ponds, if the base station detects the access letter
Number, then the group according to belonging to the random access resource, determines accidental access response resource pool, and ring by the Stochastic accessing
Answer resource pool and the descending reply for sending wave beam and carrying out Stochastic accessing；
According to the reply of the base station, MSG3 is sent in ascending resource position corresponding to the reply, the MSG3 is included
The information of the mobile terminal, described information include the unique identification information of the mobile terminal, the type of the mobile terminal
And/or the service quality of the mobile terminal, to cause the base station to send MSG4, it is wireless to distribute cell for the mobile terminal
Network identifies CRNTI temporarily.
Preferably, described device also includes：
Definition module, for predefining the random access resource pond and the accidental access response resource pool；
Wherein, the binding positions of the position in the random access resource pond and synchronizing signal, the random access resource pond
There are K parts, K is more than or equal to 1, and the random access resource pond of difference group corresponds to different descending transmission beam directions；
The binding positions of the accidental access response resource pool and synchronizing signal, and the random access resource pond from different groups
Bound, the random access resource pond is used for the base station and replys the access signal to the mobile terminal.
Preferably, the position in the random access resource pond and the position of the accidental access response resource pool and the base
The unique mark stood is corresponding.
Preferably, the AM access module, is specifically used for：
The detection access signal in all random access resource ponds；
If the base station detects the access signal, according to the group belonging to the random access resource, it is determined that at random
Resource response pond is accessed, and the reply of Stochastic accessing is carried out by the accidental access response resource pool and descending transmission wave beam,
To cause reply of the mobile terminal according to the base station, MSG3, institute are sent in ascending resource position corresponding to the reply
The information that MSG3 includes the mobile terminal is stated, described information includes the unique identification information of the mobile terminal, the movement
The service quality of the type of terminal and/or the mobile terminal；
MSG4 is sent to the mobile terminal, distribute cell-radio network for the mobile terminal identifies CRNTI temporarily.
Preferably, the sending module, is specifically used for：
It is that the mobile terminal sends system message using default wave beam in specific time window.
Preferably, the sending module, also particularly useful for：
Use default wave beam to send system message for the terminal in specific time window, or pass through Stochastic accessing
The downstream message of process is notified to the mobile terminal.
The embodiment of the present invention provides a kind of method and device for sending message, and mobile terminal and base station synchronize；If institute
Mobile terminal is stated after synchronously completing, the base station carries out user's detection and carries out accidental access response；In the mobile terminal
Access after the base station, the system message that the mobile terminal is sent by presetting wave beam to the mobile terminal.Because move
The specific broadcast singal of dynamic terminal can be when sending, and the beam direction of base station can directly be directed at this terminal, and pass
The broadcast singal of the cell-level of system is towards whole cell, even if being generally also according to different by the way of wave beam poll
Even angle covers whole cell, rather than is directed to specific terminal and optimizes wave beam, therefore methods described can strengthen
The covering of broadcast singal, reduce the transmission of always on signals.
Brief description of the drawings
Fig. 1 is a kind of schematic flow sheet of method for sending message provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of another method for sending message provided in an embodiment of the present invention；
Fig. 3 is a kind of high-level schematic functional block diagram of device for sending message provided in an embodiment of the present invention.
Embodiment
The embodiment of the present invention is described in further detail with reference to the accompanying drawings and examples.It is understood that this
The specific embodiment of place description is used only for explaining the embodiment of the present invention, rather than the restriction to the embodiment of the present invention.In addition also
It should be noted that for the ease of describing, the part related to the embodiment of the present invention rather than entire infrastructure are illustrate only in accompanying drawing.
With reference to figure 1, Fig. 1 is a kind of schematic flow sheet of method for sending message provided in an embodiment of the present invention.
As shown in figure 1, the method for sending message includes：
Step 101, mobile terminal and base station synchronize；
Preferably, the mobile terminal and base station synchronize, including：
The mobile terminal retrieves synchronizing signal, and obtains the unique mark letter of the synchronizing signal and the base station
Breath；
The mobile terminal determines descending the transmission beam direction and downlink reception beam direction of the base station.
Step 102, if the mobile terminal is after synchronously completing, the mobile terminal initiates Stochastic accessing, the base station
Carry out user's detection and carry out accidental access response；
Preferably, if the mobile terminal is after synchronously completing, the mobile terminal initiates Stochastic accessing, including：
The mobile terminal determines random access resource according to the position and the unique identification information of the synchronizing signal
The position in pond, and determined according to the position of the synchronizing signal, the unique identification information and the descending transmission beam direction
One group of random access sequence or running time-frequency resource, one of random access sequence or running time-frequency resource is therefrom selected to carry out random
Access；
The mobile terminal is sent using the downlink reception beam direction as sending direction to the random access resource
Signal is accessed, to cause the base station to detect the access signal in all random access resource ponds, if the base station is detected
To the access signal, then the group according to belonging to the random access resource, determines accidental access response resource pool, and passes through institute
State accidental access response resource pool and the descending reply for sending wave beam and carrying out Stochastic accessing；
The mobile terminal sends MSG3 according to the reply of the base station in ascending resource position corresponding to the reply,
The MSG3 includes the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, the shifting
The type of dynamic terminal and/or the service quality of the mobile terminal, are the mobile terminal to cause the base station to send MSG4
Distribution cell-radio network identifies (Cell Radio Network Temmporary Identify, CRNTI) temporarily.
Step 103, after the mobile terminal accesses the base station, the movement is given in the base station by default wave beam
The system message that terminal is sent.
Preferably, the system message that the base station is sent by presetting wave beam to the mobile terminal, including：
The base station is that the mobile terminal sends system message using default wave beam in specific time window.
Preferably, the base station is that the terminal sends system message using default wave beam in specific time window,
Including：
The base station uses default wave beam to send system message for the terminal in specific time window, or described
Base station is notified to the mobile terminal by the downstream message of random access procedure.
The embodiment of the present invention provides a kind of method for sending message, and mobile terminal and base station synchronize；If the movement
After synchronously completing, the base station carries out user's detection and carries out accidental access response terminal；Institute is accessed in the mobile terminal
After stating base station, the mobile terminal is by presetting system message of the wave beam to mobile terminal transmission.The present invention is not complete
The system message of MPS process, reduce the transmission of always on signals, and the specific system message of mobile terminal is advantageous to increase
Strong MPS process performance.
With reference to figure 2, Fig. 2 is the schematic flow sheet of another method for sending message provided in an embodiment of the present invention.
As shown in Fig. 2 the method for sending message includes：
Step 201, base station and mobile terminal synchronize；
Step 202, if the mobile terminal after the synchronization completes, the mobile terminal initiates Stochastic accessing, the base
Stand and predefine the random access resource pond and the accidental access response resource pool；
Wherein, the binding positions of the position in the random access resource pond and synchronizing signal, the random access resource pond
There are K parts, K is more than or equal to 1, and the random access resource pond of difference group corresponds to different descending transmission beam directions；It is described to connect at random
Enter the binding positions of resource response pond and synchronizing signal, and bound from different groups of random access resource pond, it is described random
Access-in resource pond is used for the base station and replys the access signal to the mobile terminal；
Wherein, the position in the random access resource pond and the position of the accidental access response resource pool and the base station
Unique mark it is corresponding.
Step 203, the base station carries out user's detection and carries out accidental access response；
Preferably, the base station carries out user's detection and carries out accidental access response, including：
Access signal is detected in all random access resource ponds in the base station；
If the base station detects the access signal, group of the base station according to belonging to the random access resource,
Accidental access response resource pool is determined, and Stochastic accessing is carried out by the accidental access response resource pool and descending transmission wave beam
Reply, to cause reply of the mobile terminal according to the base station, sent in ascending resource position corresponding to the reply
MSG3, the MSG3 include the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, institute
State the type of mobile terminal and/or the service quality of the mobile terminal；
The base station sends MSG4 to the mobile terminal, and distribute cell-radio network for the mobile terminal identifies temporarily
CRNTI。
Wherein, reply content include the mobile terminal send serial ID, mobile terminal uplink timing advance TA,
System descending bandwidth, ascending resource scheduling information and mobile terminal Radio Network Temporary Identifier (Radio Network Tempory
Identity, RNTI)；The serial ID, the ID sequence numbers transmitted by the mobile terminal are contrasted for the mobile terminal, are confirmed
Reply message and whether be destined to the mobile terminal；The system descending bandwidth, for providing system to the mobile terminal
Message of uniting carries out Stochastic accessing and data communication；The ascending resource scheduling information, for being dispatched to the mobile terminal
Row resource sends access message；The RNTI I are used for data scrambling.
Step 204, after the mobile terminal accesses the base station, the base station is by presetting wave beam to the movement
Terminal sends system message.
With reference to figure 3, Fig. 3 is a kind of high-level schematic functional block diagram of device for sending message provided in an embodiment of the present invention.
Such as Fig. 3, described device includes：
Synchronization module 301, for being synchronized with base station；
AM access module 302, if for the mobile terminal after synchronously completing, Stochastic accessing is initiated, carries out user's detection
And carry out accidental access response；
Sending module 303, after accessing the base station in the mobile terminal, the movement is given by default wave beam
The system message that terminal is sent.
Preferably, the synchronization module 301, is specifically used for：
Synchronizing signal is retrieved, and obtains the unique identification information of the synchronizing signal and the base station；
Determine descending the transmission beam direction and downlink reception beam direction of the base station.
Preferably, the AM access module 302, is specifically used for：
The position in random access resource pond, and institute are determined according to the position of the synchronizing signal and the unique identification information
State the position of synchronizing signal, the unique identification information and the descending transmission beam direction determine one group of random access sequence or
Person's running time-frequency resource, one of random access sequence or running time-frequency resource is therefrom selected to carry out Stochastic accessing；
Using the downlink reception beam direction as sending direction, access signal is sent to the random access resource, with
So that the access signal is detected in the base station in all random access resource ponds, if the base station detects the access letter
Number, then the group according to belonging to the random access resource, determines accidental access response resource pool, and ring by the Stochastic accessing
Answer resource pool and the descending reply for sending wave beam and carrying out Stochastic accessing；
According to the reply of the base station, MSG3 is sent in ascending resource position corresponding to the reply, the MSG3 is included
The information of the mobile terminal, described information include the unique identification information of the mobile terminal, the type of the mobile terminal
And/or the service quality of the mobile terminal, to cause the base station to send MSG4, it is wireless to distribute cell for the mobile terminal
Network identifies CRNTI temporarily.
Preferably, described device also includes：
Definition module, for predefining the random access resource pond and the accidental access response resource pool；
Wherein, the binding positions of the position in the random access resource pond and synchronizing signal, the random access resource pond
There are K parts, K is more than or equal to 1, and the random access resource pond of difference group corresponds to different descending transmission beam directions；
The binding positions of the accidental access response resource pool and synchronizing signal, and the random access resource pond from different groups
Bound, the random access resource pond is used for the base station and replys the access signal to the mobile terminal.
Preferably, the position in the random access resource pond and the position of the accidental access response resource pool and the base
The unique mark stood is corresponding.
Preferably, the AM access module 302, is specifically used for：
The detection access signal in all random access resource ponds；
If the base station detects the access signal, according to the group belonging to the random access resource, it is determined that at random
Resource response pond is accessed, and the reply of Stochastic accessing is carried out by the accidental access response resource pool and descending transmission wave beam,
To cause reply of the mobile terminal according to the base station, MSG3, institute are sent in ascending resource position corresponding to the reply
The information that MSG3 includes the mobile terminal is stated, described information includes the unique identification information of the mobile terminal, the movement
The service quality of the type of terminal and/or the mobile terminal；
MSG4 is sent to the mobile terminal, distribute cell-radio network for the mobile terminal identifies CRNTI temporarily.
Preferably, the sending module 303, is specifically used for：
It is that the mobile terminal sends system message using default wave beam in specific time window.
Preferably, the sending module 303, also particularly useful for：
Use default wave beam to send system message for the terminal in specific time window, or pass through Stochastic accessing
The downstream message of process is notified to the mobile terminal.
The embodiment of the present invention provides a kind of device for sending message, and mobile terminal and base station synchronize；If the movement
After synchronously completing, the base station carries out user's detection and carries out accidental access response terminal；Institute is accessed in the mobile terminal
After stating base station, the mobile terminal is by presetting system message of the wave beam to mobile terminal transmission.Because mobile terminal
Specific broadcast singal can be when sending, and the beam direction of base station can directly be directed at this terminal, and traditional small
The broadcast singal of area's level is towards whole cell, even if being generally also equal according to different angles by the way of wave beam poll
The even whole cell of covering, rather than be directed to specific terminal and optimize wave beam, therefore methods described can strengthen broadcast letter
Number covering, reduce the transmission of always on signals.
The technical principle of the embodiment of the present invention is described above in association with specific embodiment.These descriptions are intended merely to explain this
The principle of inventive embodiments, and the limitation to protection domain of the embodiment of the present invention can not be construed in any way.Based on herein
Explanation, those skilled in the art, which would not require any inventive effort, can associate the other specific of the embodiment of the present invention
Embodiment, these modes are fallen within the protection domain of the embodiment of the present invention.
Claims (16)
- A kind of 1. method for sending message, it is characterised in that methods described includes：Mobile terminal and base station synchronize；If the mobile terminal, after synchronously completing, the mobile terminal initiates Stochastic accessing, the base station carries out user's detection And carry out accidental access response；After the mobile terminal accesses the base station, the base station is to what the mobile terminal was sent by presetting wave beam System message.
- 2. according to the method for claim 1, it is characterised in that the mobile terminal and base station synchronize, including：The mobile terminal retrieves synchronizing signal, and obtains the unique identification information of the synchronizing signal and the base station；The mobile terminal determines descending the transmission beam direction and downlink reception beam direction of the base station.
- 3. according to the method for claim 2, it is characterised in that if the mobile terminal after synchronously completing, the movement Terminal initiates Stochastic accessing, including：The mobile terminal determines random access resource pond according to the position and the unique identification information of the synchronizing signal Position, and determine one group according to the position of the synchronizing signal, the unique identification information and the descending transmission beam direction Random access sequence or running time-frequency resource, one of random access sequence or running time-frequency resource is therefrom selected to be connect at random Enter；The mobile terminal sends to the random access resource and accessed using the downlink reception beam direction as sending direction Signal, to cause the base station to detect the access signal in all random access resource ponds, if the base station detects institute State access signal, then the group according to belonging to the random access resource, determine accidental access response resource pool, and by it is described with Machine accesses resource response pond and the descending reply for sending wave beam and carrying out Stochastic accessing；The mobile terminal sends MSG3 in ascending resource position corresponding to the reply according to the reply of the base station, described MSG3 includes the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, the movement eventually The service quality of the type at end and/or the mobile terminal, to cause the base station to send MSG4, distributed for the mobile terminal Cell-radio network identifies CRNTI temporarily.
- 4. according to the method for claim 3, it is characterised in that methods described also includes：The base station predefines the random access resource pond and the accidental access response resource pool；Wherein, there is K in the binding positions of the position in the random access resource pond and synchronizing signal, the random access resource pond Part, K is more than or equal to 1, and the random access resource pond of difference group corresponds to different descending transmission beam directions；The binding positions of the accidental access response resource pool and synchronizing signal, and carried out from different groups of random access resource pond Binding, the random access resource pond are used for the base station and reply the access signal to the mobile terminal.
- 5. according to the method for claim 4, it is characterised in that the position in the random access resource pond and described connect at random The position for entering resource response pond is corresponding with the unique mark of the base station.
- 6. according to the method described in claim 1 to 5 any one, it is characterised in that the base station carries out user's detection and gone forward side by side Row accidental access response, including：Access signal is detected in all random access resource ponds in the base station；If the base station detects the access signal, group of the base station according to belonging to the random access resource, it is determined that Accidental access response resource pool, and returning for Stochastic accessing is carried out by the accidental access response resource pool and the descending wave beam that sends It is multiple, to cause reply of the mobile terminal according to the base station, MSG3 is sent in ascending resource position corresponding to the reply, The MSG3 includes the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, the shifting The type of dynamic terminal and/or the service quality of the mobile terminal；The base station sends MSG4 to the mobile terminal, and distribute cell-radio network for the mobile terminal identifies temporarily CRNTI。
- 7. according to the method for claim 1, it is characterised in that sent out by default wave beam to the mobile terminal base station The system message sent, including：The base station is that the mobile terminal sends system message using default wave beam in specific time window.
- 8. according to the method for claim 7, it is characterised in that the base station is the terminal in specific time window System message is sent using default wave beam, including：The base station uses default wave beam to send system message, or the base station for the terminal in specific time window Notified by the downstream message of random access procedure to the mobile terminal.
- 9. a kind of device for sending message, it is characterised in that described device includes：Synchronization module, for being synchronized with base station；AM access module, if for the mobile terminal after synchronously completing, initiate Stochastic accessing, carry out user's detection and carry out with Machine access response；Sending module, after accessing the base station in the mobile terminal, sent out by default wave beam to the mobile terminal The system message sent.
- 10. device according to claim 9, it is characterised in that the synchronization module, be specifically used for：Synchronizing signal is retrieved, and obtains the unique identification information of the synchronizing signal and the base station；Determine descending the transmission beam direction and downlink reception beam direction of the base station.
- 11. device according to claim 10, it is characterised in that the AM access module, be specifically used for：The position in random access resource pond is determined according to the position of the synchronizing signal and the unique identification information, and it is described same Walk the position of signal, the unique identification information and the descending transmission beam direction determine one group of random access sequence or when Frequency resource, one of random access sequence or running time-frequency resource is therefrom selected to carry out Stochastic accessing；Using the downlink reception beam direction as sending direction, access signal is sent to the random access resource, to cause The access signal is detected in the base station in all random access resource ponds, if the base station detects the access signal, The then group according to belonging to the random access resource, accidental access response resource pool is determined, and pass through the accidental access response Resource pool and the descending reply for sending wave beam and carrying out Stochastic accessing；According to the reply of the base station, MSG3 is sent in ascending resource position corresponding to the reply, the MSG3 includes described The information of mobile terminal, the unique identification information of described information including the mobile terminal, the type of the mobile terminal and/or The service quality of the mobile terminal, to cause the base station to send MSG4, cell-radio network is distributed for the mobile terminal Interim identification CRNTI.
- 12. device according to claim 10, it is characterised in that described device also includes：Definition module, for predefining the random access resource pond and the accidental access response resource pool；Wherein, there is K in the binding positions of the position in the random access resource pond and synchronizing signal, the random access resource pond Part, K is more than or equal to 1, and the random access resource pond of difference group corresponds to different descending transmission beam directions；The binding positions of the accidental access response resource pool and synchronizing signal, and carried out from different groups of random access resource pond Binding, the random access resource pond are used for the base station and reply the access signal to the mobile terminal.
- 13. device according to claim 12, it is characterised in that the position in the random access resource pond and described random The position for accessing resource response pond is corresponding with the unique mark of the base station.
- 14. according to the device described in claim 9 to 14 any one, it is characterised in that the AM access module, be specifically used for：The detection access signal in all random access resource ponds；If the base station detects the access signal, according to the group belonging to the random access resource, Stochastic accessing is determined Resource response pond, and by the accidental access response resource pool and the descending reply for sending wave beam and carrying out Stochastic accessing, so that Reply of the mobile terminal according to the base station is obtained, MSG3 is sent in ascending resource position corresponding to the reply, it is described MSG3 includes the information of the mobile terminal, and described information includes the unique identification information of the mobile terminal, the movement eventually The service quality of the type at end and/or the mobile terminal；MSG4 is sent to the mobile terminal, distribute cell-radio network for the mobile terminal identifies CRNTI temporarily.
- 15. device according to claim 9, it is characterised in that the sending module, be specifically used for：It is that the mobile terminal sends system message using default wave beam in specific time window.
- 16. device according to claim 15, it is characterised in that the sending module, also particularly useful for：Use default wave beam to send system message for the terminal in specific time window, or pass through random access procedure Downstream message notify to the mobile terminal.
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| CN201610853070.0A CN107872869A (en) | 2016-09-26 | 2016-09-26 | A kind of method and device for sending message |
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Cited By (1)
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