CN103797884B - Physical random access channel collisions detection method and equipment - Google Patents
Physical random access channel collisions detection method and equipment Download PDFInfo
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- CN103797884B CN103797884B CN201280006877.0A CN201280006877A CN103797884B CN 103797884 B CN103797884 B CN 103797884B CN 201280006877 A CN201280006877 A CN 201280006877A CN 103797884 B CN103797884 B CN 103797884B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access
- H04W74/08—Non-scheduled access, e.g. ALOHA
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Abstract
The present invention relates to the communications field, more particularly to a kind of physical random access channel collisions detection method and equipment, wherein methods described include：The physical random access channel configuration information of the second order adjacent area of the first base station is received from the neighbor base station of first base station；Physical Random Access Channel second order collision detection is carried out to the first base station according to the physical random access channel configuration information of the second order adjacent area of the reception.The present invention realizes the second order adjacent area Prach conflicts that can detect that base station occurs in network in real time, not by OSS gateway attaching relation restricted influences.
Description
Technical field
The present invention relates to the communications field, more particularly to a kind of physical random access channel collisions detection method and equipment.
Background technology
For LTE network, in the case of more and more in the small base station such as Micro/Pico/Femto, UE up transmitting is very
The coverage of Multiple Small Cell Sites is penetrated readily through, if Prach (Physical be present in second order adjacent area (adjacent area of adjacent area)
Random Access Channel, Physical Random Access Channel) configuration conflict, then UE access performances can be caused serious
Influence, so the popularization of small base station puts forward more and more urgent demand to the Prach collision detection of second order adjacent area.
In the prior art, second order adjacent area Prach collision detection is carried out based on OSS sides.Its specific practice is as follows：
Base station is by Prach information reportings to OSS (Operation Support System, OSS), then
OSS carries out the Prach collision detection of second order adjacent area according to the neighboring BS relationship of each cell.
The present inventor has found that above-mentioned prior art mainly has two shortcomings in the practice of the invention：
1st, poor real.Due to base station Prach information to OSS report and OSS sides Prach collision detection task all
Do not carry out in real time, but cycle triggering or artificial triggering, so the second order adjacent area that can not occur in time into detection network
Prach conflicts.
2nd, common network pipe condition may be unsatisfactory for.The base station (eNB) of composition neighboring BS relationship may belong to different in network
OSS gateway nodes, just do not possess some eNB Prach information in such OSS nodes, it is related to these eNB so as to carry out
The Prach collision detection of second order adjacent area.
The content of the invention
In consideration of it, the present invention provides a kind of physical random access channel collisions detection method and equipment, can detect in real time
The second order adjacent area Prach conflicts occurred in network, not by OSS gateway attaching relation restricted influences.
First aspect present invention provides a kind of physical random access channel collisions detection method, it may include：
The Physical Random Access Channel configuration of the second order adjacent area of the first base station is received from the neighbor base station of first base station
Information；
Thing is carried out to the first base station according to the physical random access channel configuration information of the second order adjacent area of the reception
Manage RACH second order collision detection.
With reference in a first aspect, in the first possible implementation, the neighbor base station from first base station receives the
The physical random access channel configuration information of the second order adjacent area of one base station, including：
X2SETUP REQUEST message, the X2SETUP are received from the neighbor base station of the first base station by X2 interface
The physical accidental for the second order adjacent area for carrying the first base station in the Neighbor Information fields of REQUEST message connects
Enter channel configuration information.
With reference in a first aspect, in second of possible implementation, the neighbor base station from first base station receives the
The physical random access channel configuration information of the second order adjacent area of one base station, including：
X2SETUP RESPONSE message is received from the neighbor base station of the first base station by X2 interface, it is described
The second order adjacent area of the first base station is carried in the Neighbor Information fields of X2SETUP RESPONSE message
Physical random access channel configuration information.
With reference in a first aspect, in the third possible implementation, the neighbor base station from first base station receives the
The physical random access channel configuration information of the second order adjacent area of one base station, including：
The first base station receives ENB CONFIGURATION by X2 interface from the neighbor base station of the first base station
UPDATE message, institute is carried in the Neighbor Information fields of the ENB CONFIGURATION UPDATE messages
State the physical random access channel configuration information of the second order adjacent area of first base station.
With reference in a first aspect, or first aspect the first possible implementation, or second of first aspect may
Implementation, or the third possible implementation of first aspect, in the 4th kind of possible implementation, the second order
The physical random access channel configuration information of adjacent area includes：Root sequence index information (Root S equence Index), zero phase
Close configuration (Zero Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequencies
Domain compensation (PRACH-Frequency Offset) and Prach configuration indexs (PRACH-Configuration Index).
Second aspect of the present invention provides a kind of physical random access channel collisions detection device, it may include：
Receiving module, the physical accidental of the second order adjacent area for receiving the first base station from the neighbor base station of first base station
Access channel configuration information；
Collision detection module, for the Physical Random Access Channel configuration of the second order adjacent area received according to the receiving module
Information carries out Physical Random Access Channel second order collision detection to the first base station.
With reference to second aspect, in the first possible implementation, the receiving module includes X2 interface, the reception
Module receives X2SETUPREQUEST message, the X2SETUP by the X2 interface from the neighbor base station of the first base station
The physical accidental for the second order adjacent area for carrying the first base station in the Neighbor Information fields of REQUEST message connects
Enter channel configuration information.
With reference to second aspect, in second of possible implementation, the receiving module includes X2 interface, the reception
Module receives X2SETUPRESPONSE message, the X2SETUP by the X2 interface from the neighbor base station of the first base station
The physical accidental of the second order adjacent area of the first base station is carried in the Neighbor Information fields of RESPONSE message
Access channel configuration information.
With reference to second aspect, in the third possible implementation, the receiving module includes X2 interface, the reception
Module receives ENB CONFIGURATION UPDATE messages, institute by the X2 interface from the neighbor base station of the first base station
State the second order that first base station is carried in the Neighbor Information fields of ENB CONFIGURATION UPDATE messages
The physical random access channel configuration information of adjacent area.
It is possible with reference to the first possible implementation of second aspect, or second aspect, or second of second aspect
Implementation, or the third possible implementation of second aspect, in the 4th kind of possible implementation, the second order
The physical random access channel configuration information of adjacent area includes：Root sequence index information (Root S equence Index), zero phase
Close configuration (Zero Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequencies
Domain compensation (PRACH-Frequency Offset) and Prach configuration indexs (PRACH-Configuration Index).
Therefore in some feasible embodiments of the present invention, described in the neighbor base station reception from first base station
The physical random access channel configuration information of the second order adjacent area of first base station；According to the physical accidental of the second order adjacent area of the reception
Access channel configuration information and Physical Random Access Channel second order collision detection is carried out to the first base station.Realize to examine in real time
The second order adjacent area Prach conflicts of base station generation are measured, not by OSS gateway attaching relation restricted influences.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the first embodiment of the physical random access channel collisions detection method of the present invention；
Fig. 2 is the schematic flow sheet of the second embodiment of the physical random access channel collisions detection method of the present invention；
Fig. 3 is the schematic flow sheet of the second embodiment of the physical random access channel collisions detection method of the present invention；
Fig. 4 is the structure composition signal of the first embodiment of the physical random access channel collisions detection device of the present invention
Figure.
Specific embodiment
In some feasible embodiments of the present invention, the first base station is received from the neighbor base station of first base station
The physical random access channel configuration information of second order adjacent area；Matched somebody with somebody according to the Physical Random Access Channel of the second order adjacent area of the reception
Confidence breath carries out Physical Random Access Channel second order collision detection to the first base station.Realizing can detect that base station is sent out in real time
Raw second order adjacent area Prach conflicts, not by OSS gateway attaching relation restricted influences.The present invention is implemented below in conjunction with accompanying drawing
Example is described in further detail.
Fig. 1 is the schematic flow sheet of the first embodiment of the physical random access channel collisions detection method of the present invention.Such as
Shown in Fig. 1, it may include：
Step S110, (the X2 settings of X2SETUP REQUEST message are received from the neighbor base station of first base station by X2 interface
Request message), the two of first base station is carried in the Neighbor Information fields of the X2SETUP REQUEST message
The physical random access channel configuration information (Prach Configuration information) of rank adjacent area.
In some feasible embodiments, the present invention is by the Neighbor Information fields of X2 interface
The Prach Configuration information of newly-increased second order adjacent area realizes the Prach Configuration information of second order adjacent area
Transmission.
In some feasible embodiments, the Prach that is carried in Neighbor Information fields of the invention
Configuration information may include：Root sequence index information (Root Sequence Index), zero correlation configuration (Zero
Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequency domain compensations
(PRACH-Frequency Offset) and Prach configuration indexs (PRACH-Configuration Index).
Step S111, the first base station is entered according to the physical random access channel configuration information of the second order adjacent area of reception
Row Physical Random Access Channel second order collision detection.
In some feasible embodiments, can according to the Prach Configuration information of the second order adjacent area of reception,
The Prach Configuration information and second order adjacent area is carried out according to the neighboring BS relationship of each cell that first base station configures
Prach collision detection.Such as can be by the root sequence in the Prach Configuration information of the second order adjacent area of first base station
Index information (Root Sequence Index) and the root in the Prach Configuration information of the second order adjacent area received
Sequence index information (Root Sequence Index) is compared, if the two is identical, proves Prach second order conflicts, when
It can also so judge that second order Prach conflicts by other means.
Therefore in the present embodiment, pass through the X2SETUP REQUEST message transmission second orders adjacent area of X2 interface
Prach configuration informations, the second order adjacent area Prach conflicts for detecting that base station occurs in real time are realized, not by OSS gateway attaching relations
Restricted influence.
Fig. 2 is the schematic flow sheet of the second embodiment of the physical random access channel collisions detection method of the present invention.Such as
Shown in Fig. 2, it may include：
Step S210, by X2 interface, from the neighbor base station reception X2SETUP RESPONSE message of first base station, (X2 is set
Put response message), first base station is carried in the Neighbor Information fields of the X2SETUP RESPONSE message
Second order adjacent area physical random access channel configuration information (Prach Configuration information).
In some feasible embodiments, the present invention is by the Neighbor Information fields of X2 interface
The Prach Configuration information of newly-increased second order adjacent area realizes the Prach Configuration information of second order adjacent area
Transmission.
In some feasible embodiments, the Prach that is carried in Neighbor Information fields of the invention
Configuration information may include：Root sequence index information (Root Sequence Index), zero correlation configuration (Zero
Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequency domain compensations
(PRACH-Frequency Offset) and Prach configuration indexs (PRACH-Configuration Index).
Step S211, thing is carried out to first base station according to the physical random access channel configuration information of the second order adjacent area of reception
Manage RACH second order collision detection.
In some feasible embodiments, can according to the Prach Configuration information of the second order adjacent area of reception,
The Prach Configuration information and second order adjacent area is carried out according to the neighboring BS relationship of each cell that first base station configures
Prach collision detection.Such as can be by the root sequence in the Prach Configuration information of the second order adjacent area of first base station
Index information (Root Sequence Index) and the root in the Prach Configuration information of the second order adjacent area received
Sequence index information (Root Sequence Index) is compared, if the two is identical, proves Prach second order conflicts, when
It can also so judge that second order Prach conflicts by other means.
Therefore in the present embodiment, pass through the X2SETUP RESPONSE message transmission second orders adjacent area of X2 interface
Prach configuration informations, the second order adjacent area Prach conflicts for detecting that base station in network occurs in real time are realized, not by OSS gateways
Attaching relation restricted influence.
Fig. 3 is the schematic flow sheet of the second embodiment of the physical random access channel collisions detection method of the present invention.Such as
Shown in Fig. 3, it may include：
Step S31O, ENB CONFIGURATION UPDATE are received from the neighbor base station of first base station by X2 interface and disappeared
Cease (base station configuration updating information), the Neighbor Information words of the ENBcONFIGURATION UPDATE messages
Physical random access channel configuration information (the Prach Configuration letters of the second order adjacent area of first base station are carried in section
Breath).
In some feasible embodiments, the present invention is by the Neighbor Information fields of X2 interface
The Prach Configuration information of newly-increased second order adjacent area realizes the Prach Configuration information of second order adjacent area
Transmission.
In some feasible embodiments, the Prach that is carried in Neighbor Information fields of the invention
Configuration information may include：Root sequence index information (Root Sequence Index), zero correlation configuration (Zero
Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequency domain compensations
(PRACH-Frequency Offset) and Prach configuration indexs (PRACH-Configuration Index).
Step S311, thing is carried out to first base station according to the physical random access channel configuration information of the second order adjacent area of reception
Manage RACH second order collision detection.
In some feasible embodiments, can according to the Prach Configuration information of the second order adjacent area of reception,
The Prach Configuration information and second order adjacent area is carried out according to the neighboring BS relationship of each cell that first base station configures
Prach collision detection.Such as can be by the root sequence in the Prach Configuration information of the second order adjacent area of first base station
Index information (Root Sequence Index) and the root in the Prach Configuration information of the second order adjacent area received
Sequence index information (Root Sequence Index) is compared, if the two is identical, proves Prach second order conflicts, when
It can also so judge that second order Prach conflicts by other means.
Therefore in the present embodiment, pass through the ENB CONFIGURATION UPDATE message transmission of X2 interface
The Prach configuration informations of second order adjacent area, the second order adjacent area Prach conflicts for detecting that base station occurs in network in real time are realized, no
By OSS gateway attaching relation restricted influences.
Except the embodiment of aforementioned list, in some feasible embodiments, can also by other interfaces other
Message is matched somebody with somebody by the non-Neighbor Information fields of X2 interface to carry the Prach of the second order adjacent area of the present invention
Confidence ceases, herein without repeating.
For each scheme of the more preferable embodiment of the method for implementing the present invention, the embodiment of the present invention additionally provides physical accidental access
Channel confliction detection device, in the specific implementation, the physical random access channel collisions detection device can be base station in itself, or
Other equipment, is illustrated by taking base station as an example below in network.
Fig. 4 is the structure composition that can be used for implementing the first embodiment of the base station of the embodiment of the method for the present invention of the present invention
Schematic diagram.As shown in figure 4, the base station 4 of the present invention may include receiving module 41 and collision detection module 42, wherein：
Receiving module 41, the thing of the second order adjacent area of this base station is received from neighbor base station for the specified interface by this base station
Manage random access channel configuration information；
Collision detection module 42, for the Physical Random Access Channel of the second order adjacent area received according to the receiving module 41
Configuration information carries out Physical Random Access Channel second order collision detection.
In some feasible embodiments, the Prach that is carried in Neighbor Information fields of the invention
Configuration information may include：Root sequence index information (Root Sequence Index), zero correlation configuration (Zero
Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequency domain compensations
(PRACH-Frequency Offset) and Prach configuration indexs (PRACH-Configuration Index).
In some feasible embodiments, the receiving module 41 includes X2 interface, and the X2 interface is from described base
The neighbor base station stood receives X2SETUP REQUEST message, the Neighbor of the X2SETUP REQUEST message
The physical random access channel configuration information of the second order adjacent area of this base station is carried in Information fields.
In some feasible embodiments, the receiving module 41 includes X2 interface, and the X2 interface is from described base
The neighbor base station stood receives X2SETUP RESPONSE message, the Neighbor of the X2SETUP RESPONSE message
The physical random access channel configuration information of the second order adjacent area of this base station is carried in Information fields.
In some feasible embodiments, the receiving module includes X2 interface, and the X2 interface is from this described base station
Neighbor base station receive ENB CONFIGURATION UPDATE messages, the ENB CONFIGURATION UPDATE messages
The physical random access channel configuration information of the second order adjacent area of this base station is carried in Neighbor Information fields.
In some feasible embodiments, collision detection module 42 can be according to the Prach of the second order adjacent area of reception
Configuration information, itself configuration Prach Configuration information and entered according to the neighboring BS relationship of each cell
The Prach collision detection of row second order adjacent area.For example collision detection module 42 can be by the Prach of the second order adjacent area of itself
Root sequence index information (Root Sequence Index) and the second order adjacent area of reception in Configuration information
Root sequence index information (Root Sequence Index) in Prach Configuration information is compared, if two
Person is identical, then prove Prach second order conflicts, naturally it is also possible to by other means come judge second order Prach conflict.
Therefore in some feasible embodiments of the present invention, ENB that base station passes through X2 interface
Any of CONFIGURATION UPDATE messages, X2SETUP RESPONSE message and X2SETUP REQUEST message
The Prach configuration informations of second order adjacent area are transmitted, base station is realized and detects the second order adjacent area Prach punchings occurred in network in real time
It is prominent, not by OSS gateway attaching relation restricted influences.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
Programmed instruction related hardware is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment, and foregoing storage medium includes：ROM, RAM, magnetic disc or light
Disk etc. is various can be with the medium of store program codes.
Obviously, those skilled in the art can carry out the essence of various changes and modification without departing from the present invention to the present invention
God and scope.So, if these modifications and variations of the present invention belong to the scope of the claims in the present invention and its equivalent technologies
Within, then the present invention is also intended to comprising including these changes and modification.
Claims (8)
- A kind of 1. physical random access channel collisions detection method, it is characterised in that including：The physical random access channel configuration information of the second order adjacent area of the first base station is received from the neighbor base station of first base station, The physical random access channel configuration information of the second order adjacent area includes：Root sequence index information (Root Sequence Index), zero correlation configuration (Zero Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequency domain compensations (PRACH-Frequency Offset) and Prach configuration indexs (PRACH- Configuration Index)；According to the physical random access channel configuration information of the second order adjacent area of the reception to the first base station carry out physics with Machine accesses channel second order collision detection, including：According to the physical random access channel configuration information of the second order adjacent area of the reception, The physical random access channel configuration information of the first base station configuration and the neighboring BS relationship of each cell carry out physical accidental and connect Enter channel second order collision detection.
- 2. physical random access channel collisions detection method as claimed in claim 1, it is characterised in that described from first base station Neighbor base station receive first base station second order adjacent area physical random access channel configuration information, including：X2SETUP REQUEST message, the X2SETUP are received from the neighbor base station of the first base station by X2 interface The physical accidental for the second order adjacent area for carrying the first base station in the Neighbor Information fields of REQUEST message connects Enter channel configuration information.
- 3. physical random access channel collisions detection method as claimed in claim 1, it is characterised in that described from first base station Neighbor base station receive first base station second order adjacent area physical random access channel configuration information, including：X2SETUP RESPONSE message, the X2SETUP are received from the neighbor base station of the first base station by X2 interface The physical accidental of the second order adjacent area of the first base station is carried in the Neighbor Information fields of RESPONSE message Access channel configuration information.
- 4. physical random access channel collisions detection method as claimed in claim 1, it is characterised in that described from first base station Neighbor base station receive first base station second order adjacent area physical random access channel configuration information, including：The first base station receives ENB CONFIGURATION by X2 interface from the neighbor base station of the first base station UPDATE message, institute is carried in the Neighbor Information fields of the ENB CONFIGURATION UPDATE messages State the physical random access channel configuration information of the second order adjacent area of first base station.
- A kind of 5. physical random access channel collisions detection device, it is characterised in that including：Receiving module, the physical accidental access of the second order adjacent area for receiving the first base station from the neighbor base station of first base station Channel configuration information, the physical random access channel configuration information of the second order adjacent area include：Root sequence index information (Root Sequence Index), zero correlation configuration (Zero Correlation Zone Configuration), at a high speed mark (High Speed Flag), Prach frequency domain compensations (PRACH-Frequency Offset) and Prach configuration indexs (PRACH- Configuration Index)；Collision detection module, for the physical random access channel configuration information of the second order adjacent area received according to the receiving module Physical Random Access Channel second order collision detection is carried out to the first base station, including：Two received according to the receiving module The physical random access channel configuration information of rank adjacent area, the first base station configuration physical random access channel configuration information with And the neighboring BS relationship of each cell carries out Physical Random Access Channel second order collision detection.
- 6. physical random access channel collisions detection device as claimed in claim 5, it is characterised in that the receiving module bag X2 interface is included, the receiving module receives X2SETUP by the X2 interface from the neighbor base station of the first base station REQUEST message, first base is carried in the Neighbor Information fields of the X2SETUP REQUEST message The physical random access channel configuration information for the second order adjacent area stood.
- 7. physical random access channel collisions detection device as claimed in claim 5, it is characterised in that the receiving module bag X2 interface is included, the receiving module receives X2SETUP by the X2 interface from the neighbor base station of the first base station RESPONSE message, described first is carried in the Neighbor Information fields of the X2SETUP RESPONSE message The physical random access channel configuration information of the second order adjacent area of base station.
- 8. physical random access channel collisions detection device as claimed in claim 5, it is characterised in that the receiving module bag X2 interface is included, the receiving module receives ENB by the X2 interface from the neighbor base station of the first base station CONFIGURATION UPDATE messages, the Neighbor of the ENB CONFIGURATION UPDATE messages The physical random access channel configuration information of the second order adjacent area of first base station is carried in Information fields.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| PCT/CN2012/079919 WO2014023012A1 (en) | 2012-08-10 | 2012-08-10 | Method and device for detecting physical random access channel conflict |
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| Publication Number | Publication Date |
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| CN103797884A CN103797884A (en) | 2014-05-14 |
| CN103797884B true CN103797884B (en) | 2018-01-23 |
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Cited By (1)
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| CN111726825A (en) * | 2019-03-22 | 2020-09-29 | 华为技术有限公司 | Communication method and device |
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| CN116806440A (en) * | 2021-01-29 | 2023-09-26 | 高通股份有限公司 | Physical random access channel (PRACH) root sequence selection |
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| CN101123448B (en) * | 2006-08-10 | 2011-04-20 | 大唐移动通信设备有限公司 | An enhanced allocation method and structure for random access control channel resource |
| CN101873712B (en) * | 2009-04-27 | 2013-03-20 | 电信科学技术研究院 | Method, device and system for adjusting PRACH configuration information |
| US20120201223A1 (en) * | 2009-10-07 | 2012-08-09 | Qualcomm Incorporated | Method and Apparatus for Avoiding Physical Random Access Channel Collisions |
| CN102149200A (en) * | 2010-02-04 | 2011-08-10 | 电信科学技术研究院 | Method and base station for configuring PRACH (physical random access channel) information |
| CN102469466B (en) * | 2010-11-11 | 2015-05-06 | 华为技术有限公司 | Method and device for processing interference |
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| CN111726825A (en) * | 2019-03-22 | 2020-09-29 | 华为技术有限公司 | Communication method and device |
| CN111726825B (en) * | 2019-03-22 | 2022-06-10 | 华为技术有限公司 | Communication method and device |
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| WO2014023012A1 (en) | 2014-02-13 |
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