CN107889269A - The method and device of Stochastic accessing in a kind of distributed network - Google Patents
The method and device of Stochastic accessing in a kind of distributed network Download PDFInfo
- Publication number
- CN107889269A CN107889269A CN201610873111.2A CN201610873111A CN107889269A CN 107889269 A CN107889269 A CN 107889269A CN 201610873111 A CN201610873111 A CN 201610873111A CN 107889269 A CN107889269 A CN 107889269A
- Authority
- CN
- China
- Prior art keywords
- mobile terminal
- trp
- access response
- accidental access
- msg3
- 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.)
- Pending
Links
- 238000000034 method Methods 0.000 title claims abstract description 48
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 238000001514 detection method Methods 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 7
- 238000004891 communication Methods 0.000 description 4
- 238000013461 design Methods 0.000 description 3
- 230000029058 respiratory gaseous exchange Effects 0.000 description 3
- 230000007774 longterm Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012772 sequence design Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/002—Transmission of channel access control information
- H04W74/006—Transmission of channel access control information in the downlink, i.e. towards the terminal
-
- 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
Landscapes
- 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 of Stochastic accessing in distributed network.This method includes：If mobile terminal does not determine to receive beam direction, the mobile terminal random selection access sequence, and is sent using omni-beam；The mobile terminal random selection access sequence, and sent using optimal reception wave beam；The mobile terminal detects the accidental access response information in the accidental access response resource, if the access sequence identifier information carried in the accidental access response message is identical with the access sequence identifier information that this mobile terminal is sent, MSG3 transmissions are carried out；The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.So as to the method that Stochastic accessing is realized in distributed node network, multiple TRP use identical random access resource and accidental access response resource, therefore it has relatively low expense；Meanwhile support direction of embodiment of the present invention UE and isotropic directivity UE.
Description
Technical field
The present embodiments relate to a kind of method of Stochastic accessing in the technical field of communication, more particularly to distributed network
And device.
Background technology
At present, honeycomb, or smaller microcellulor are used substantially in common communication system, is characterized in each small
There is the mark of oneself in area, to carry out the processing of the interference randomization of the access of different districts, gravity treatment, measurement or minizone
Deng cell ID (Cell Identification, Cell ID) has become especially in current forth generation communication system
The foundation stone of all Design of Signal, including synchronizing sequence, cell reference signals (Cell reference signal, CRS), solution
Adjust reference signal (Demodulation reference signal, DMRS), channel condition information reference symbol (Channel
State information reference signal, CSI-RS) etc. sequence design and its random access resource distribution,
Distribution of ascending control channel etc., it is all based on Cell ID to design.
Cell ID huge convenience of band in the design in network, but also bring along some limitations, such as provide
The distribution in source is only capable of carrying out in cell, and the interference of minizone is difficult processing, even in Long Term Evolution (Long term
Evolution advanced, LTE A) in introduce coordinated multipoint transmission (Coordinated Multiple Points,
CoMP), but its flexibility and actual accessible performance are very limited, therefore Cell ID concept is in the communication system in future
It may be cancelled in system, the substitute is the network centered on mobile terminal (User Equipment, UE), UE is not required to
It is concerned about which base station be linked into, it is only necessary to know access network can, network can utilize all possible send to save
Point sends data to UE, and at the same time, network can coordinate the business load of each node, disturbed condition etc., so that system is held
Amount further lifting.
The content of the invention
Method and device of the purpose of the embodiment of the present invention in the Stochastic accessing in a kind of distributed network is proposed, it is intended to solve
Certainly how to realize the purpose for allowing multiple TRP to respond UE accidental access signal in a distributed system.
To use following technical scheme up to this purpose, the embodiment of the present invention：
In a first aspect, in a kind of distributed network Stochastic accessing method, methods described includes：
If mobile terminal does not determine to receive beam direction, the mobile terminal random selection access sequence, and uses complete
Sent to wave beam, to cause at least one TRP to detect the access sequence, and detect and receive direction；The TRP connects with described
Enter and send accidental access response information corresponding to sequence in accidental access response resource；
If the mobile terminal determines the reception beam direction, the mobile terminal randomly chooses the access sequence
Row, and sent using optimal reception wave beam；
The mobile terminal detects the accidental access response information in the accidental access response resource, if it is described with
The access sequence identifier information carried in machine access response message is identical with the access sequence identifier information that this mobile terminal is sent,
MSG3 transmissions are then carried out, so that winner's master nodes carry out the reply of the MSG3 by least one TRP of selection；
The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.
Preferably, the mobile terminal carries out MSG3 transmissions, including：
Common TA of the mobile terminal in the accidental access response information adjusts up transmission timing.
Preferably, the mobile terminal is determined whether after being successfully accessed according to the reply of the MSG3, in addition to：
If the mobile terminal access failure, suboptimum wave beam is selected to send the accidental access signal, and return to execution
The mobile terminal detects the accidental access response information in the accidental access response resource.
Second aspect, the method for Stochastic accessing, methods described include in a kind of distributed network：
In the randomly selected access sequence of TRP detection mobile terminals, and detect and receive direction；
The TRP sends accidental access response information in accidental access response resource corresponding with the access sequence,
To cause the mobile terminal to detect the accidental access response information in the accidental access response resource, if described random
The access sequence identifier information carried in access response message is identical with the access sequence identifier information that this mobile terminal is sent, then
Carry out MSG3 transmissions；
The TRP detects the MSG3 in uplink scheduling resource, and the signal content of reception and the quality of reception are reported
To main master nodes；
The main master nodes are selected from receiving at least one TRP with identical mobile terminal identification information
TRP carries out the reply of the MSG3, to cause the mobile terminal to determine whether to be successfully accessed according to the reply of the MSG3.
Preferably, the accidental access response information includes random sequence ID, Common TA, uplink scheduling information and faced
When RNTI, what the calculating of the common TA was calculated by the master nodes.
Preferably, the main master nodes are from receiving at least one TRP with identical mobile terminal identification information
Middle selection TRP carries out the reply of the MSG3, including：
The main master nodes select to connect from receiving at least one TRP with identical mobile terminal identification information
The pTRP for receiving optimal quality sends MSG4.
Preferably, the main master nodes are from receiving at least one TRP with identical mobile terminal identification information
The optimal pTRP of the middle selection quality of reception sends MSG4, including：
The pTRP sends the MSG4 to the mobile terminal, the MSG4 include the mobile terminal identification information and
Timing advance TA corresponding to the pTRP.
Preferably, the main master nodes are from receiving at least one TRP with identical mobile terminal identification information
Middle selection TRP carries out the reply of the MSG3, including：
The main master nodes from receive at least one TRP with identical mobile terminal identification information selection to
A few TRP sends MSG4 to the mobile terminal, after the MSG4 includes the mobile terminal identification information and adjustment
common TA。
The third aspect, the device of Stochastic accessing, described device include in a kind of distributed network：
Selecting module, if not determining to receive beam direction, random selection access sequence for mobile terminal
First sending module, for being sent using omni-beam, to cause at least one TRP to detect the access sequence,
And detect and receive direction；The TRP sends Stochastic accessing in accidental access response resource corresponding with the access sequence and rung
Answer information；
Second sending module, if determining the reception beam direction for the mobile terminal, connect described in random selection
Enter sequence, and sent using optimal reception wave beam；
Detection module, for detecting the accidental access response information in the accidental access response resource, if described
The access sequence identifier information phase that the access sequence identifier information carried in accidental access response message is sent with this mobile terminal
Together, then MSG3 transmissions are carried out, so that winner's master nodes carry out the reply of the MSG3 by least one TRP of selection；
Determining module, for determining whether to be successfully accessed according to the reply of the MSG3.
Preferably, first sending module, is specifically used for：
Common timing lead common TA in the accidental access response information adjust up transmission timing.
Preferably, described device also includes：
Module is returned, after determining whether to be successfully accessed according to the reply of the MSG3 in the mobile terminal, if
The mobile terminal access failure, then select suboptimum wave beam to send the accidental access signal, and return and perform the movement eventually
The accidental access response information is detected in the accidental access response resource in end.
Fourth aspect, the device of Stochastic accessing, described device include in a kind of distributed network：
Detection module, for detecting in the randomly selected access sequence of mobile terminal, and detect and receive direction；
Sending module, for sending accidental access response in accidental access response resource corresponding with the access sequence
Information, to cause the mobile terminal to detect the accidental access response information in the accidental access response resource, if institute
State the access sequence identifier information that the access sequence identifier information carried in accidental access response message is sent with this mobile terminal
It is identical, then carry out MSG3 transmissions；
Reporting module, for detecting the MSG3 in uplink scheduling resource, and by the signal content of reception and receive matter
Amount reports main master nodes；
Selecting module, for from receive at least one TRP with identical mobile terminal identification information select TRP enter
Row MSG3 reply, to cause the mobile terminal to determine whether to be successfully accessed according to the reply of the MSG3.
Preferably, the accidental access response information includes random sequence ID, Common TA, uplink scheduling information and faced
When RNTI, what the calculating of the common TA was calculated by the master nodes.
Preferably, the selecting module, is specifically used for：
The optimal pTRP of the quality of reception is selected at least one TRP with identical mobile terminal identification information from receiving
Send MSG4.
Preferably, the selecting module, also particularly useful for：
The MSG4 is sent to the mobile terminal, the MSG4 includes the mobile terminal identification information and the pTRP
Corresponding TA.
Preferably, the selecting module, also particularly useful for：
At least one TRP is selected at least one TRP with identical mobile terminal identification information to described from receiving
Mobile terminal sends MSG4, and the MSG4 includes the common TA after the mobile terminal identification information and adjustment.
The embodiment of the present invention provides a kind of method and device of Stochastic accessing in distributed network, if mobile terminal does not determine
Beam direction is received, then the mobile terminal random selection access sequence, and being sent using omni-beam is at least one to cause
TRP detects the access sequence, and detects and receive direction；The TRP is in accidental access response corresponding with the access sequence
Accidental access response information is sent in resource；The mobile terminal detects in the accidental access response resource described to be connect at random
Enter response message, if the access sequence identifier information carried in the accidental access response message connects with what this mobile terminal was sent
It is identical to enter sequence identifier information, then carries out MSG3 transmissions, so that winner's master nodes are carried out by least one TRP of selection
The reply of the MSG3；The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.So as to be saved in distribution
The method that Stochastic accessing is realized in spot net, multiple TRP use identical random access resource and accidental access response resource, because
This its there is relatively low expense；Meanwhile support direction of embodiment of the present invention UE and isotropic directivity UE.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the method for Stochastic accessing in a kind of distributed network provided in an embodiment of the present invention；
Fig. 2 is the schematic flow sheet of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention；
Fig. 3 is the schematic flow sheet of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention；
Fig. 4 is the schematic flow sheet of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention；
Fig. 5 is the schematic flow sheet of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention；
Fig. 6 is the schematic flow sheet of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention；
Fig. 7 is the functional module signal of the device of Stochastic accessing in a kind of distributed network provided in an embodiment of the present invention
Figure；
Fig. 8 is the functional module signal of the device of Stochastic accessing in another distributed network provided in an embodiment of the present invention
Figure.
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 that the flow of the method for Stochastic accessing in a kind of distributed network provided in an embodiment of the present invention is shown
It is intended to.
As shown in figure 1, the method for Stochastic accessing includes in the distributed network：
Step 101, if mobile terminal does not determine to receive beam direction, the mobile terminal random selection accesses sequence,
And sent using omni-beam, to cause at least one transmitting-receiving node (Transmission and Receive Point, TRP)
The access sequence is detected, and detects and receives direction；The TRP is in accidental access response resource corresponding with the access sequence
Upper transmission accidental access response information；
Preferably, the mobile terminal random selection access sequence, and be transmitted in the access sequence of selection, wrap
Include：
If the mobile terminal random selection access sequence, Stochastic accessing letter is sent using downlink reception optimal direction
Number.
Step 102, if mobile terminal determines the reception beam direction, the mobile terminal randomly chooses the access
Sequence, and sent using optimal reception wave beam；
Step 103, the mobile terminal detects the accidental access response information in the accidental access response resource,
If the access sequence identifier that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Information is identical, then carries out MSG3 transmissions, so that winner's master nodes carry out the MSG3's by least one TRP of selection
Reply；
Wherein, the MSG3 is the Article 3 message in random access procedure；The master nodes are more for that can control
Individual TRP logical node.
Preferably, the mobile terminal carries out MSG3 transmissions, including：
The mobile terminal is in the common timing lead common TA adjustment in the accidental access response information
Row transmission timing.
Step 104, the mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.
The method that the embodiment of the present invention provides Stochastic accessing in a kind of distributed network, if mobile terminal does not determine received wave
Shu Fangxiang, then the mobile terminal random selection access sequence, and being sent using omni-beam, to cause at least one TRP to examine
The access sequence is surveyed, and detects and receives direction；The TRP is in accidental access response resource corresponding with the access sequence
Send accidental access response information；The mobile terminal detects the accidental access response in the accidental access response resource
Information, if the access sequence that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Identification information is identical, then carries out MSG3 transmissions, so that winner's master nodes pass through described at least one TRP progress of selection
MSG3 reply；The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.So as in distributed node net
The method that Stochastic accessing is realized in network, multiple TRP use identical random access resource and accidental access response resource, therefore its
With relatively low expense；Meanwhile support direction of embodiment of the present invention UE and isotropic directivity UE.
With reference to figure 2, Fig. 2 is the flow of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention
Schematic diagram.
As shown in Fig. 2 the method for Stochastic accessing includes in the distributed network：
Step 201, if mobile terminal does not determine to receive beam direction, the mobile terminal random selection accesses sequence,
And sent using omni-beam, to cause at least one TRP to detect the access sequence, and detect and receive direction；The TRP exists
Accidental access response information is sent in accidental access response resource corresponding with the access sequence；
Step 202, if the mobile terminal determines the reception beam direction, described in the mobile terminal random selection
Sequence is accessed, and is sent using optimal reception wave beam；
Step 203, the mobile terminal detects the accidental access response information in the accidental access response resource,
If the access sequence identifier that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Information is identical, then carries out MSG3 transmissions, so that winner's master nodes carry out the MSG3's by least one TRP of selection
Reply；
Step 204, the mobile terminal determines whether to be successfully accessed according to the reply of the MSG3；
Step 205, if the mobile terminal access failure, suboptimum wave beam is selected to send the accidental access signal, and
Return to the execution mobile terminal and the accidental access response information is detected in the accidental access response resource.
With reference to figure 3, Fig. 3 is the flow of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention
Schematic diagram.
As shown in figure 3, the method for Stochastic accessing includes in the distributed network：
Step 301, if the mobile terminal determines the reception beam direction, the mobile terminal uses the reception
Beam direction sends accidental access signal；
Step 302, if mobile terminal does not determine to receive beam direction, the mobile terminal random selection accesses sequence,
And sent using omni-beam, to cause at least one TRP to detect the access sequence, and detect and receive direction；The TRP exists
Accidental access response information is sent in accidental access response resource corresponding with the access sequence；
Step 303, the mobile terminal detects the accidental access response information in the accidental access response resource,
If the access sequence identifier that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Information is identical, then carries out MSG3 transmissions, so that winner's master nodes carry out the MSG3's by least one TRP of selection
Reply；
Step 304, the mobile terminal determines whether to be successfully accessed according to the reply of the MSG3；
Step 305, if the mobile terminal access failure, suboptimum wave beam is selected to send the accidental access signal, and
Return to the execution mobile terminal and the accidental access response information is detected in the accidental access response resource.
With reference to figure 4, Fig. 4 is the flow of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention
Schematic diagram.
As shown in figure 4, the method for Stochastic accessing includes in the distributed network：
Step 401, TRP is detected in the randomly selected access sequence of mobile terminal, and is detected and received direction；
Step 402, the TRP sends Stochastic accessing in accidental access response resource corresponding with the access sequence and rung
Information is answered, to cause the mobile terminal to detect the accidental access response information in the accidental access response resource, if
The access sequence identifier information carried in the accidental access response message is believed with the access sequence identifier that this mobile terminal is sent
Manner of breathing is same, then carries out MSG3 transmissions；
Wherein, the accidental access response information includes random sequence ID, Common TA, uplink scheduling information and interim
What RNTI, the common TA calculating were calculated by the master nodes.
Step 403, the TRP detects the MSG3 in uplink scheduling resource, and by the signal content of reception and reception
Quality uploading gives main master nodes；
Step 404, the main master nodes are from receiving at least one TRP with identical mobile terminal identification information
Middle selection TRP carries out the reply of the MSG3, to cause the mobile terminal to determine whether to access according to the reply of the MSG3
Success.
The method that the embodiment of the present invention provides Stochastic accessing in a kind of distributed network, if mobile terminal does not determine received wave
Shu Fangxiang, then the mobile terminal random selection access sequence, and being sent using omni-beam, to cause at least one TRP to examine
The access sequence is surveyed, and detects and receives direction；The TRP is in accidental access response resource corresponding with the access sequence
Send accidental access response information；The mobile terminal detects the accidental access response in the accidental access response resource
Information, if the access sequence that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Identification information is identical, then carries out MSG3 transmissions, so that winner's master nodes pass through described at least one TRP progress of selection
MSG3 reply；The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.So as in distributed node net
The method that Stochastic accessing is realized in network, multiple TRP use identical random access resource and accidental access response resource, therefore its
With relatively low expense；Meanwhile support direction of embodiment of the present invention UE and isotropic directivity UE.
With reference to figure 5, Fig. 5 is the flow of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention
Schematic diagram.
As shown in figure 5, the method for Stochastic accessing includes in the distributed network：
Step 501, TRP is detected in the randomly selected access sequence of mobile terminal, and is detected and received direction；
Step 502, the TRP sends Stochastic accessing in accidental access response resource corresponding with the access sequence and rung
Information is answered, to cause the mobile terminal to detect the accidental access response information in the accidental access response resource, if
The access sequence identifier information carried in the accidental access response message is believed with the access sequence identifier that this mobile terminal is sent
Manner of breathing is same, then carries out MSG3 transmissions；
Wherein, the accidental access response information includes random sequence ID, Common TA, uplink scheduling information and interim
What RNTI, the common TA calculating were calculated by the master nodes.
Step 503, the TRP detects the MSG3 in uplink scheduling resource, and by the signal content of reception and reception
Quality uploading gives main master nodes；
Step 504, the main master nodes are from receiving at least one TRP with identical mobile terminal identification information
The optimal main TRP (primary TRP, pTRP) of the middle selection quality of reception sends MSG4, and the pTRP is sent out to the mobile terminal
The MSG4 is sent, the MSG4 includes TA corresponding to the mobile terminal identification information and the pTRP, to cause the movement
Terminal determines whether to be successfully accessed according to the reply of the MSG3.
With reference to figure 6, Fig. 6 is the flow of the method for Stochastic accessing in another distributed network provided in an embodiment of the present invention
Schematic diagram.
As shown in fig. 6, the method for Stochastic accessing includes in the distributed network：
Step 601, TRP is detected in the randomly selected access sequence of mobile terminal, and is detected and received direction；
Step 602, the TRP sends Stochastic accessing in accidental access response resource corresponding with the access sequence and rung
Information is answered, to cause the mobile terminal to detect the accidental access response information in the accidental access response resource, if
The access sequence identifier information carried in the accidental access response message is believed with the access sequence identifier that this mobile terminal is sent
Manner of breathing is same, then carries out MSG3 transmissions；
Wherein, the accidental access response information includes random sequence ID, Common TA, uplink scheduling information and interim
What RNTI, the common TA calculating were calculated by the master nodes.
Step 603, the TRP detects the MSG3 in uplink scheduling resource, and by the signal content of reception and reception
Quality uploading gives main master nodes；
Step 604, the main master nodes are from receiving at least one TRP with identical mobile terminal identification information
The middle at least one TRP of selection sends MSG4 to the mobile terminal, and the MSG4 includes the mobile terminal identification information and tune
Common TA after whole, to cause the mobile terminal to determine whether to be successfully accessed according to the reply of the MSG3.
With reference to figure 7, Fig. 7 is the function mould of the device of Stochastic accessing in a kind of distributed network provided in an embodiment of the present invention
Block schematic diagram.
As shown in fig. 7, the device of Stochastic accessing includes in the distributed network：
Selecting module 701, if not determining to receive beam direction, random selection access sequence for mobile terminal
First sending module 702, for being sent using omni-beam, to cause at least one TRP to detect the access sequence
Row, and detect and receive direction；The TRP sends Stochastic accessing in accidental access response resource corresponding with the access sequence
Response message；
Preferably, first sending module 702, is specifically used for：
Common TA in the accidental access response information adjust up transmission timing.
Second sending module 703, if determining the reception beam direction for the mobile terminal, described in random selection
Sequence is accessed, and is sent using optimal reception wave beam；
Detection module 704, for detecting the accidental access response information in the accidental access response resource, if institute
State the access sequence identifier information that the access sequence identifier information carried in accidental access response message is sent with this mobile terminal
It is identical, then MSG3 transmissions are carried out, so that winner's master nodes carry out returning for the MSG3 by least one TRP of selection
It is multiple；
Determining module 705, for determining whether to be successfully accessed according to the reply of the MSG3.
Preferably, described device also includes：
Module is returned, after determining whether to be successfully accessed according to the reply of the MSG3 in the mobile terminal, if
The mobile terminal access failure, then select suboptimum wave beam to send the accidental access signal, and return and perform the movement eventually
The accidental access response information is detected in the accidental access response resource in end.
The embodiment of the present invention provides a kind of device of Stochastic accessing in distributed network, if mobile terminal does not determine received wave
Shu Fangxiang, then the mobile terminal random selection access sequence, and being sent using omni-beam, to cause at least one TRP to examine
The access sequence is surveyed, and detects and receives direction；The TRP is in accidental access response resource corresponding with the access sequence
Send accidental access response information；The mobile terminal detects the accidental access response in the accidental access response resource
Information, if the access sequence that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Identification information is identical, then carries out MSG3 transmissions, so that winner's master nodes pass through described at least one TRP progress of selection
MSG3 reply；The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.So as in distributed node net
The method that Stochastic accessing is realized in network, multiple TRP use identical random access resource and accidental access response resource, therefore its
With relatively low expense；Meanwhile support direction of embodiment of the present invention UE and isotropic directivity UE.
With reference to figure 8, Fig. 8 is the function of the device of Stochastic accessing in another distributed network provided in an embodiment of the present invention
Module diagram.
As shown in figure 8, the device of Stochastic accessing includes in the distributed network：
Detection module 801, for detecting in the randomly selected access sequence of mobile terminal, and detect and receive direction；
Sending module 802, for sending Stochastic accessing in accidental access response resource corresponding with the access sequence
Response message, to cause the mobile terminal to detect the accidental access response information in the accidental access response resource,
If the access sequence identifier that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Information is identical, then carries out MSG3 transmissions；
Reporting module 803, for detecting the MSG3 in uplink scheduling resource, and by the signal content of reception and reception
Quality uploading gives main master nodes；
Selecting module 804, for selecting from receiving at least one TRP with identical mobile terminal identification information
TRP carries out the reply of the MSG3, to cause the mobile terminal to determine whether to be successfully accessed according to the reply of the MSG3.
Preferably, the accidental access response information includes random sequence ID, Common TA, uplink scheduling information and faced
When RNTI, what the calculating of the common TA was calculated by the master nodes.
Preferably, the selecting module 804, is specifically used for：
The optimal pTRP of the quality of reception is selected at least one TRP with identical mobile terminal identification information from receiving
Send MSG4.
Preferably, the selecting module 804, also particularly useful for：
The MSG4 is sent to the mobile terminal, the MSG4 includes the mobile terminal identification information and the pTRP
Corresponding TA.
Preferably, the selecting module 804, also particularly useful for：
At least one TRP is selected at least one TRP with identical mobile terminal identification information to described from receiving
Mobile terminal sends MSG4, and the MSG4 includes the common TA after the mobile terminal identification information and adjustment.
The embodiment of the present invention provides a kind of device of Stochastic accessing in distributed network, if mobile terminal does not determine received wave
Shu Fangxiang, then the mobile terminal random selection access sequence, and being sent using omni-beam, to cause at least one TRP to examine
The access sequence is surveyed, and detects and receives direction；The TRP is in accidental access response resource corresponding with the access sequence
Send accidental access response information；The mobile terminal detects the accidental access response in the accidental access response resource
Information, if the access sequence that the access sequence identifier information carried in the accidental access response message is sent with this mobile terminal
Identification information is identical, then carries out MSG3 transmissions, so that winner's master nodes pass through described at least one TRP progress of selection
MSG3 reply；The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.So as in distributed node net
The method that Stochastic accessing is realized in network, multiple TRP use identical random access resource and accidental access response resource, therefore its
With relatively low expense；Meanwhile support direction of embodiment of the present invention UE and isotropic directivity UE.
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)
1. a kind of method of Stochastic accessing in distributed network, it is characterised in that methods described includes：
If mobile terminal does not determine to receive beam direction, the mobile terminal random selection access sequence, and uses omnidirectional's ripple
Beam is sent, and to cause at least one transmitting-receiving node TRP to detect the access sequence, and is detected and is received direction；The TRP with institute
State and send accidental access response information in accidental access response resource corresponding to access sequence；
If the mobile terminal determines the reception beam direction, the mobile terminal randomly chooses the access sequence, and
Sent using optimal reception wave beam；
The mobile terminal detects the accidental access response information in the accidental access response resource, if described connect at random
It is identical with the access sequence identifier information that this mobile terminal is sent to enter the access sequence identifier information carried in response message, then enters
Row MSG3 transmissions, to cause master nodes to pass through at least one TRP progress MSG3 of selection reply；
The mobile terminal determines whether to be successfully accessed according to the reply of the MSG3.
2. according to the method for claim 1, it is characterised in that the mobile terminal carries out MSG3 transmissions, including：
Common timing lead common TA of the mobile terminal in the accidental access response information adjusts up hair
Send timing.
3. according to the method for claim 1, it is characterised in that the mobile terminal according to the reply of the MSG3 determine be
It is no be successfully accessed after, in addition to：
If the mobile terminal access failure, suboptimum wave beam is selected to send the accidental access signal, and return described in execution
Mobile terminal detects the accidental access response information in the accidental access response resource.
4. a kind of method of Stochastic accessing in distributed network, it is characterised in that methods described includes：
In the randomly selected access sequence of transmitting-receiving node TRP detection mobile terminals, and detect and receive direction；
The TRP sends accidental access response information in accidental access response resource corresponding with the access sequence, so that
Obtain the mobile terminal and the accidental access response information is detected in the accidental access response resource, if the Stochastic accessing
The access sequence identifier information carried in response message is identical with the access sequence identifier information that this mobile terminal is sent, then carries out
MSG3 is sent；
The TRP detects the MSG3 in uplink scheduling resource, and the signal content of reception and the quality of reception are reported
Master nodes；
The master nodes are carried out from selection TRP at least one TRP with identical mobile terminal identification information is received
The reply of the MSG3, to cause the mobile terminal to determine whether to be successfully accessed according to the reply of the MSG3.
5. according to the method for claim 4, it is characterised in that the accidental access response information identifies including random sequence
ID, common timing lead Common TA, uplink scheduling information and casual network mark RNTI, the calculating of the common TA
It is calculated by the master nodes.
6. the method according to claim 4 or 5, it is characterised in that the master nodes are from receiving with identical shifting
TRP is selected to carry out the reply of the MSG3 at least one TRP of dynamic terminal identification information, including：
The main master nodes receive matter from selection at least one TRP with identical mobile terminal identification information is received
Measure optimal pTRP and send MSG4.
7. according to the method for claim 6, it is characterised in that the master nodes are whole with identical movement from receiving
Hold and select the optimal pTRP of the quality of reception to send MSG4 at least one TRP of identification information, including：
The pTRP sends the MSG4 to the mobile terminal, and the MSG4 includes the mobile terminal identification information and described
Timing advance TA corresponding to pTRP.
8. the method according to claim 4 or 5, it is characterised in that the master nodes are from receiving with identical shifting
TRP is selected to carry out the reply of the MSG3 at least one TRP of dynamic terminal identification information, including：
The master nodes from receive selected at least one TRP with identical mobile terminal identification information it is at least one
TRP sends MSG4 to the mobile terminal, and the MSG4 includes the common after the mobile terminal identification information and adjustment
TA。
9. the device of Stochastic accessing in a kind of distributed network, it is characterised in that described device includes：
Selecting module, if not determining to receive beam direction, random selection access sequence for mobile terminal；
First sending module, for being sent using omni-beam, to cause at least one transmitting-receiving node TRP to detect the access sequence
Row, and detect and receive direction；The TRP sends Stochastic accessing in accidental access response resource corresponding with the access sequence
Response message；
Second sending module, if determining the reception beam direction for the mobile terminal, randomly choose the access sequence
Row, and sent using optimal reception wave beam；
Detection module, for detecting the accidental access response information in the accidental access response resource, if described random
The access sequence identifier information carried in access response message is identical with the access sequence identifier information that this mobile terminal is sent, then
MSG3 transmissions are carried out, so that winner's master nodes carry out the reply of the MSG3 by least one TRP of selection；
Determining module, for determining whether to be successfully accessed according to the reply of the MSG3.
10. device according to claim 9, it is characterised in that first sending module, be specifically used for：
Common timing lead common TA in the accidental access response information adjust up transmission timing.
11. device according to claim 9, it is characterised in that described device also includes：
Module is returned to, after determining whether to be successfully accessed according to the reply of the MSG3 in the mobile terminal, if described
Mobile terminal access failure, then select suboptimum wave beam to send the accidental access signal, and return to the execution mobile terminal and exist
The detection accidental access response information in the accidental access response resource.
12. the device of Stochastic accessing in a kind of distributed network, it is characterised in that described device includes：
Detection module, for detecting in the randomly selected access sequence of mobile terminal, and detect and receive direction；
Sending module, for sending accidental access response letter in accidental access response resource corresponding with the access sequence
Breath, to cause the mobile terminal to detect the accidental access response information in the accidental access response resource, if described
The access sequence identifier information phase that the access sequence identifier information carried in accidental access response message is sent with this mobile terminal
Together, then MSG3 transmissions are carried out；
Reporting module, for detecting the MSG3 in uplink scheduling resource, and by the signal content of reception and the quality of reception
Offer main master nodes；
Selecting module, for from receive at least one TRP with identical mobile terminal identification information select TRP carry out institute
MSG3 reply is stated, to cause the mobile terminal to determine whether to be successfully accessed according to the reply of the MSG3.
13. device according to claim 12, it is characterised in that the accidental access response information includes random sequence
ID, Common TA, uplink scheduling information and interim RNTI, the calculating of the common TA are calculated by the master nodes
Arrive.
14. the device according to claim 12 or 13, it is characterised in that the selecting module, be specifically used for：
The optimal pTRP of the quality of reception is selected to send at least one TRP with identical mobile terminal identification information from receiving
MSG4。
15. device according to claim 14, it is characterised in that the selecting module, also particularly useful for：
The MSG4 is sent to the mobile terminal, the MSG4 includes the mobile terminal identification information and the pTRP is corresponding
Timing advance TA.
16. the device according to claim 12 or 13, it is characterised in that the selecting module, also particularly useful for：
At least one TRP is selected to the movement from receiving at least one TRP with identical mobile terminal identification information
Terminal sends MSG4, and the MSG4 includes the common TA after the mobile terminal identification information and adjustment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873111.2A CN107889269A (en) | 2016-09-30 | 2016-09-30 | The method and device of Stochastic accessing in a kind of distributed network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610873111.2A CN107889269A (en) | 2016-09-30 | 2016-09-30 | The method and device of Stochastic accessing in a kind of distributed network |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107889269A true CN107889269A (en) | 2018-04-06 |
Family
ID=61770036
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610873111.2A Pending CN107889269A (en) | 2016-09-30 | 2016-09-30 | The method and device of Stochastic accessing in a kind of distributed network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107889269A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453374A (en) * | 2020-03-24 | 2021-09-28 | 维沃移动通信有限公司 | Random access method, random access processing method, terminal and network equipment |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077633A (en) * | 2008-06-25 | 2011-05-25 | 松下电器产业株式会社 | Radio base station device, radio relay station device, and radio terminal device |
| CN103222324A (en) * | 2012-11-23 | 2013-07-24 | 华为技术有限公司 | Cooperative method between networks, cooperative node and network side equipment |
| CN104754758A (en) * | 2013-12-27 | 2015-07-01 | 重庆重邮信科通信技术有限公司 | Random access method, user equipment, base station and system |
| CN105122662A (en) * | 2012-12-26 | 2015-12-02 | 三星电子株式会社 | Method and apparatus for random access in communication system with large number of antennas |
| US20160143014A1 (en) * | 2014-11-17 | 2016-05-19 | Telefonaktiebolaget L M Ericsson (Publ) | Channel access in listen before talk systems |
-
2016
- 2016-09-30 CN CN201610873111.2A patent/CN107889269A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102077633A (en) * | 2008-06-25 | 2011-05-25 | 松下电器产业株式会社 | Radio base station device, radio relay station device, and radio terminal device |
| CN103222324A (en) * | 2012-11-23 | 2013-07-24 | 华为技术有限公司 | Cooperative method between networks, cooperative node and network side equipment |
| CN105122662A (en) * | 2012-12-26 | 2015-12-02 | 三星电子株式会社 | Method and apparatus for random access in communication system with large number of antennas |
| CN104754758A (en) * | 2013-12-27 | 2015-07-01 | 重庆重邮信科通信技术有限公司 | Random access method, user equipment, base station and system |
| US20160143014A1 (en) * | 2014-11-17 | 2016-05-19 | Telefonaktiebolaget L M Ericsson (Publ) | Channel access in listen before talk systems |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113453374A (en) * | 2020-03-24 | 2021-09-28 | 维沃移动通信有限公司 | Random access method, random access processing method, terminal and network equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105812035B (en) | Hierarchical beam access method and device | |
| CN103220802B (en) | Downstream data processing method and device | |
| CN101867457B (en) | The processing method of channel condition information and subscriber equipment | |
| CN103391174B (en) | The instruction configuration method of CSI feedback signaling and base station | |
| CN102014506B (en) | Method, and base station for triggering terminal to transmit measurement reference signals | |
| US20190296868A1 (en) | Method and device for representing quasi co-location parameter configuration, and transmitting and receiving apparatus | |
| CN105188151B (en) | A kind of non-orthogonal multiple accidental access method, apparatus and system | |
| CN103945557B (en) | The sending method and device of random access sequence, method of reseptance and device | |
| CN107113648A (en) | The method and apparatus of CSI measurements configuration and report in unlicensed spectrum | |
| CN105940699A (en) | User device, base station, and communication method | |
| CN108235444A (en) | The method and base station equipment of random access, user equipment | |
| CN107534871A (en) | For tracking the system and method for channel | |
| Kim et al. | Hierarchical maritime radio networks for internet of maritime things | |
| CN106797649A (en) | The relevant system and method for feedback are configured and associated with flexible CSI | |
| CN103716144B (en) | A kind of methods, devices and systems for carrying out ePDCCH relevant configurations and obtaining the configuration | |
| CN105636223A (en) | Uplink scheduling method, device and system | |
| CN104144501A (en) | D2D discovery signal resource allocation method and system and related devices | |
| CN105450565B (en) | The interference of network assistance formula is deleted and inhibition and its control method, device | |
| CN110139306A (en) | Send method, communication device and the system of measurement report | |
| CN109151886A (en) | A kind of method, apparatus and system for reporting | |
| CN107734632B (en) | A kind of method of random access, network side equipment and terminal | |
| KR101981164B1 (en) | A communication network system and a method of transmitting and receiving a message in thereof | |
| CN102970233A (en) | Method, apparatus and device for acquiring route, concentrator and system | |
| CN107889269A (en) | The method and device of Stochastic accessing in a kind of distributed network | |
| CN106658717B (en) | A kind of method and apparatus in narrow band communication |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180406 |