CN102612854A - Method and device for interference coordination between different types of base stations - Google Patents
Method and device for interference coordination between different types of base stations Download PDFInfo
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- CN102612854A CN102612854A CN2010800510979A CN201080051097A CN102612854A CN 102612854 A CN102612854 A CN 102612854A CN 2010800510979 A CN2010800510979 A CN 2010800510979A CN 201080051097 A CN201080051097 A CN 201080051097A CN 102612854 A CN102612854 A CN 102612854A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/002—Transmission of channel access control information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W74/00—Wireless channel access, e.g. scheduled or random access
- H04W74/08—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access]
- H04W74/0833—Non-scheduled or contention based access, e.g. random access, ALOHA, CSMA [Carrier Sense Multiple Access] using a random access procedure
Abstract
The present invention relates to the mobile communication technology, and more particularly to a method and device for interference coordination between different types of base stations in Heterogeneous Networks. According to one aspect of the present invention, there may be provided a method for providing service to a User Equipment in a mobile communication network, and the method includes the following steps: A. a first type of base station determines to perform a coordination about the access of said UE with a second type base station, and sends a signaling to said UE, which comprises a coordination indication message and a dedicated preamble for accessing the second type of base station quickly; B. said User Equipment receives said signaling and initiates a random access procedure to said second type of base station based on said dedicated preamble; D. after achieving the synchronization with said second type of base station, said User Equipment forwards said coordination indication message to said second type of base station. With the application of the method and device in the present invention, the interference coordination between different types of base stations in Heterogeneous Networks can be implemented quickly.
Description
The method and device technical field of interference coordination between different types of base station
The present invention relates to mobile communication technology, more particularly in heterogeneous network between different types of base station interference coordination technology.Background technology
In Long Term Evolution（Long Term Evolution, LTE) in system, universal time coordinated is needed when producing interference between macro base station, the signaling relevant with coordination can be transmitted by X2 interfaces or S1 interfaces.
Heterogeneous network（Heterogeneous Networks, Η Τ Ν) it is for strengthening a kind of very important technology of cell system performance.A kind of situation of typical heterogeneous network is the overlapping of macro base station (macro base station) signal and microcell base station (microcell base station) signal.Base station from home（Home base station) it is a kind of typical microcell base station.The problem of one important in heterogeneous network is the interference problem between two kinds of overlapping networks.The interference between two systems is solved using dynamic coordinate becomes extremely important.The characteristics of base station from home has random placement, therefore be difficult that the coordination between macro base station and microcell base station is realized by X2 interface or S1 interfaces.Moreover, by the forwarding layer by layer of respective gateway and core net, transmission of the signaling between macro base station and microcell base station for coordination will bear very big delay, so as to bring very big influence to systematic function.The content of the invention
In order to overcome drawbacks described above of the prior art, it is that signaling is provided and relayed to realize the technical scheme of interference coordination between different types of base station by user equipment that the present invention, which is proposed a kind of,.
According to an aspect of the invention, there is provided a kind of method for providing service for a user equipment in the mobile communications network comprising at least one first kind base station and at least one Equations of The Second Kind base station, comprises the following steps：A.-individual first kind base station determination coordination relevant with the access of the user equipment with progress between an Equations of The Second Kind base station, and a signaling is sent to the user equipment, the signaling includes coordinating instruction message and for quickly accessing Equations of The Second Kind
The Special leader of base station；B. the user equipment receives the signaling, and is based on the Special leader to Equations of The Second Kind base station initiating random access procedure；D. after user equipment acquirement is synchronous with the Equations of The Second Kind base station, coordinate to indicate that message is transmitted to the Equations of The Second Kind base station by described.
According to another aspect of the present invention there is provided a kind of conditioning unit being used in first kind base station, it includes：Coordinate determining device, for determining to carry out the coordination relevant with the access of a user equipment between the first kind base station and an Equations of The Second Kind base station；Signaling generating means, for generating a signaling, the signaling includes coordinating to indicate message and the Special leader for quickly accessing Equations of The Second Kind base station；Signaling sending device, for the signaling to be sent into the user equipment.
According to a further aspect of the invention there is provided a kind of aided coordination device being used in base station, it includes：Detection of preamble device, the Special leader of a user equipment is come from for detecting, the Special leader is used to quickly access base station；Resource allocation device, for distributing resource for the user equipment.
By using the method and device in the present invention, interference coordination is promptly realized between different type base station that can be in heterogeneous network.Brief description of the drawings
With reference to following figure and explanation, the system is better understood with.Element in figure is not drawn necessarily to scale, but emphasis is used for the principle for illustrating typical model.In figure, through different diagrams, similar reference number represents corresponding feature.
Fig. 1 shows schematic network structure according to an embodiment of the invention；Fig. 2 shows the method flow diagram according to an embodiment of the invention for providing service for a user equipment in the mobile communication network；
Fig. 3 shows the structural representation of conditioning unit according to an embodiment of the invention；Fig. 4 shows the structural representation of aided coordination device according to an embodiment of the invention.Embodiment
Fig. 1 shows schematic network structure according to an embodiment of the invention.As schemed
Shown, the mobile communications network of the embodiment includes：First kind base station 1, user equipment 2, Equations of The Second Kind base station 3.General object of the present invention is to solve the problems, such as the interference coordination between different type base station.Such as, but not limited to, first kind base station 1 and Equations of The Second Kind base station 3 correspond respectively to macro base station or microcell base station.
Without loss of generality, hereafter described in each embodiment be applied to LTE system.Those skilled in the art will be understood that the technical scheme in the present invention can also be applied to other systems.
Fig. 2 shows the method flow diagram according to an embodiment of the invention for providing service for a user equipment in the mobile communication network.
As illustrated, the mobile communications network in the embodiment includes at least one first kind base station 1, at least one Equations of The Second Kind base station 3, and a user equipment 2.The method for providing service in the embodiment for user equipment 2 includes step： Sl、 S2、 S4.
The application scenarios of the embodiment are as follows：On the access service of user equipment 2, first kind base station 1 and Equations of The Second Kind base station 3 carry out interference coordination.Such as, but not limited to, first kind base station 1 and Equations of The Second Kind base station 3 correspond respectively to macro base station or microcell base station.The scene one of the present invention is as follows：First kind base station 1 is that macro base station, Equations of The Second Kind base station 3 are microcell base station, and the communication between user equipment 2 and macro base station 1 is disturbed by the signal of microcell base station 3.Such as, but not limited to, microcell base station 3 is a base station from home.Illustrate the method flow under the scene below in conjunction with Fig. 2.
In step sl, macro base station 1 determines to carry out the coordination relevant with the access of user equipment 2 between microcell base station 3, and a signaling is sent to user equipment 2, the signaling includes coordinating to indicate message and the Special leader (preamble) for quickly accessing microcell base station.
Specifically, step S1 includes following sub-step：
The step of-determination is coordinated.Specifically, user equipment 2 regularly or unexpectedly sends jamming report.When the jamming report that macro base station 1 is received shows that the interference signal from microcell base station 3 is larger, such as interference signal from microcell base station 3（In user equipment 2) receiving power more than a predetermined threshold when, macro base station 1 determines that the coordination relevant with the access of user equipment 2 will be carried out between microcell base station 3.
The step of-generation signaling.Specifically, macro base station 1 generates a signaling, the signaling bag
Include and coordinate to indicate message and a Special leader for being used to quickly access microcell base station.In the present embodiment, used in system it is leading be at least divided into two groups, be used to quickly access the Special leader of microcell base station including one group.Generally, this group of Special leader has higher priority, and microcell base station will be preferably to initiate the user equipment of access to distribute resource based on Special leader.
The step of-transmission signaling.Macro base station 1 is sent to user equipment 2 by generation comprising the signaling for coordinating instruction message and Special leader.
In step s 2, user equipment 2 receives the signaling transmitted by macro base station 1, identifies the information in signaling, and initiate access to microcell base station 3 based on the Special leader carried in signaling.
Specifically, user equipment 2 will monitor the broadcast message of microcell base station 3, to obtain the configuration information of microcell base station 3, including random access channel resource corresponding with Special leader.Then, user equipment 2 will use on the random access channel resource corresponding with this Special leader and send this Special leader.
In step s 4, after the acquirement of user equipment 2 is synchronous with microcell base station 3, namely the access of user equipment 2 is transmitted to microcell base station 3 with the coordination instruction message after the connection of microcell base station 3, identified among the signaling that user equipment 2 will be received from macro base station 1.
After microcell base station 3 receives coordination configured information, service will be provided according to its user equipment that is designated as coordinating to indicate message, so as to avoid the interference between two class base stations.
If not using Special leader, user it is very possible by using in existing LTE system based on the RACH striven unexpectedly（Random Access Channel, RACH), then probably due to colliding and causing access failure and extend turn-on time, so that the coordination process between influenceing base station when user equipment initiates to access.
According to one embodiment of present invention, there is a step S3 between above-mentioned steps S2 and S4 (not shown in figure）.In step s3, microcell base station 3 will detect Special leader transmitted by user equipment 2, and distribute resource for user equipment 2.
Specifically, microcell base station 3 is detected after the Special leader transmitted by user equipment 2, and physical layer accidental access response message will be sent to user equipment 2, includes the resource (grant) and timing advance of distribution（Timing Advance, TA ) .Receiving distribution
After resource and timing advance, user equipment 2 achieves synchronous with microcell base station 3.According to one embodiment of present invention, in step sl, indicate that the signaling of message and Special leader can be media access control layer (MAC layer) signaling or radio resource control layer comprising coordination by what macro base station 1 was generated（RRC layer) signaling.The reliability of radio resource control layer signaling is higher than media access control layer signaling, but processing time of the latter in transmittance process is less than the former.When comprising the signaling of instruction message and Special leader is coordinated for media access control layer signaling, compromise can be obtained in the reliability of signalling and on processing time.
According to one embodiment of present invention, system can also configure corresponding special physical layer resources for Special leader, to avoid user from being collided when accessing.Then in step sl, the configured information of special physical layer resources corresponding with Special leader is also included in the signaling that macro base station 1 is generated.In step s 2, user equipment 2 receives the signaling transmitted by macro base station 1 and identified after the information in signaling, will use and send this Special leader to corresponding special physical layer resources with Special leader.The scene two of the present invention is as follows：First kind base station 1 is that microcell base station, Equations of The Second Kind base station 3 are macro base station, and the communication between user equipment 2 and microcell base station 1 is disturbed by the signal of macro base station 3.Such as, but not limited to, microcell base station 1 is a base station from home.Illustrate the method flow under the scene below in conjunction with Fig. 2.
In step sl, microcell base station 1 determines to carry out the coordination relevant with the access of user equipment 2 between macro base station 3, and a signaling is sent to user equipment 2, the signaling includes coordinating to indicate message and the Special leader for quickly accessing macro base station.
Specifically, step S1 includes following sub-step：
The step of-determination is coordinated.
For example, user equipment 2 regularly or unexpectedly sends jamming report.When the jamming report that microcell base station 1 is received shows that the interference signal from macro base station 3 is larger, such as interference signal from macro base station 3（In user equipment 2) receiving power more than a predetermined threshold when, microcell base station 1 determines that the coordination relevant with the access of user equipment 2 will be carried out between macro base station 3.
In another example, microcell base station 1 can voluntarily detect the interference from other base stations.When
Microcell base station 1 detect the interference signal from macro base station 3 it is larger when, microcell base station 1 determines that the coordination relevant with the access of user equipment 2 will be carried out between macro base station 3.
The step of-generation signaling.Specifically, microcell base station 1 generates a signaling, and the signaling includes coordinating to indicate message and a Special leader for being used to quickly access macro base station.In the present embodiment, used in system it is leading be at least divided into two groups, be used to quickly access the Special leader of macro base station including one group.Generally, this group of Special leader has higher priority, and macro base station will be preferably to initiate the user equipment of access to distribute resource based on Special leader.
The step of-transmission signaling.Microcell base station 1 is sent to user equipment 2 by generation comprising the signaling for coordinating instruction message and Special leader.
In step s 2, user equipment 2 receives the signaling transmitted by microcell base station 1, identifies the information in signaling, and initiate access to macro base station 3 based on the Special leader carried in signaling.
Specifically, user equipment 2 will monitor the broadcast message of macro base station 3, to obtain the configuration information of macro base station 3, including random access channel resource corresponding with Special leader.Then, user equipment 2 will use on the random access channel resource corresponding with this Special leader and send this Special leader.
In step s 4, after the acquirement of user equipment 2 is synchronous with macro base station 3, namely the access of user equipment 2 is transmitted to macro base station 3 with the coordination instruction message after the connection of macro base station 3, identified among the signaling that user equipment 2 will be received from microcell base station 1.
After macro base station 3 receives coordination configured information, service will be provided according to its user equipment that is designated as coordinating to indicate message, to avoid the interference between two class base stations.
If not using Special leader, user it is very possible by using in existing LTE system based on the RACH striven unexpectedly（Random Access Channel, RACH), then probably due to colliding and causing access failure and extend turn-on time, so that the coordination process between influenceing base station when user equipment initiates to access.
According to one embodiment of present invention, there is a step S3 between above-mentioned steps S2 and S4 (not shown in figure）.In step s3, macro base station 3 will detect Special leader transmitted by user equipment 2, and distribute resource for user equipment 2.
Specifically, macro base station 3 is detected after the Special leader transmitted by user equipment 2, and physical layer accidental access response message will be sent to user equipment 2, includes the resource of distribution（ grant )
And timing advance（TA ) .After the resource and timing advance of distribution is received, user equipment 2 achieves synchronous with macro base station 3.
According to one embodiment of present invention, in step sl, indicate that the signaling of message and Special leader can be media access control layer signaling or radio resource control layer signaling comprising coordination by what microcell base station 1 was generated.The reliability of radio resource control layer signaling is higher than media access control layer signaling, but processing time of the latter in transmittance process is less than the former.When comprising the signaling of instruction message and Special leader is coordinated for media access control layer signaling, compromise can be obtained in the reliability of signalling and on processing time.
According to one embodiment of present invention, system can also configure corresponding special physical layer resources for Special leader, to avoid user from being collided when accessing.Then in step sl, the configured information of special physical layer resources corresponding with Special leader is also included in the signaling that microcell base station 1 is generated.In step s 2, user equipment 2 receives the signaling transmitted by microcell base station 1 and identified after the information in signaling, will use and send this Special leader to corresponding special physical layer resources with Special leader.Fig. 3 shows the structural representation of conditioning unit according to an embodiment of the invention.As illustrated, conditioning unit 10 includes：Coordinate determining device 101, signaling generating means 102, signaling sending device 103.
The network environment with reference to shown in Fig. 1, conditioning unit 10 is typically arranged in first kind base station 1.Coordinating determining device 101 is used to determine first kind base station 1 and an Equations of The Second Kind base station（Such as Equations of The Second Kind base station 3) between carry out and user equipment（Such as user equipment 2) the relevant coordination of access.Signaling generating means 102 are used to generate a signaling, and the signaling includes coordinating to indicate message and the Special leader for quickly accessing Equations of The Second Kind base station.Signaling sending device 103, for the signaling to be sent into the user equipment（Such as user equipment 2).
Fig. 4 shows the structural representation of aided coordination device according to an embodiment of the invention.As illustrated, aided coordination device 30 includes：Detection of preamble device 301, resource allocation device 302.
Aided coordination device 30 is typically arranged in a base station.Detection of preamble device 301 is used to detect the Special leader for coming from a user equipment, and the Special leader is used to quickly access base station.Resource allocation device 302 is used to distribute resource for the user equipment.
With reference to Fig. 1, the scene three in the present invention is as follows：First kind base station 1 is that macro base station, Equations of The Second Kind base station 3 are microcell base station；Communication between user equipment 2 and macro base station 1 is disturbed by the signal of microcell base station 3；Provided with a conditioning unit 10 in macro base station 1;Provided with an aided coordination device 30 in microcell base station 3.Such as, but not limited to, microcell base station 3 is a base station from home.Illustrate the operation of each device under the scene below in conjunction with Fig. 1,3,4.
First, the coordination determining device 101 in macro base station 1 will determine to carry out the coordination relevant with the access of user equipment 2 between macro base station 1 and microcell base station 3.
Specifically, user equipment 2 regularly or unexpectedly sends jamming report.When the jamming report that macro base station 1 is received shows that the interference signal from microcell base station 3 is larger, such as interference signal from microcell base station 3（In user equipment 2) receiving power more than a predetermined threshold when, the coordination determining device 101 in macro base station 1 will determine to carry out the coordination relevant with the access of user equipment 2 between macro base station 1 and microcell base station 3.
Then, the signaling generating means 102 in macro base station 1 will generate a signaling, and the signaling includes coordinating to indicate message and a Special leader for being used to quickly access microcell base station.
Specifically, in the present embodiment, used in system it is leading be at least divided into two groups, be used to quickly access the Special leader of microcell base station including one group.Generally, this group of Special leader has higher priority, and microcell base station will be preferably to initiate the user equipment of access to distribute resource based on Special leader.
Then, generation is sent to user equipment 2 by the signaling sending device 103 in macro base station 1 comprising the signaling for coordinating instruction message and Special leader.
User equipment 2 is received after the signaling transmitted by macro base station 1, will identify that the information in signaling, and initiate access to microcell base station 3 based on the Special leader carried in signaling.Specifically, user equipment 2 will monitor the broadcast message of microcell base station 3, to obtain the configuration information of microcell base station 3, including random access channel resource corresponding with Special leader.Then, the random access channel resource corresponding using the Special leader with being identified is sent this Special leader by user equipment 2.
Detection of preamble device 301 in microcell base station 3 comes from user equipment 2 for detection
Special leader.
After the Special leader for coming from user equipment 2 is detected, the resource allocation device 302 in microcell base station 3 will distribute resource for user equipment 2.
Specifically, after the resource allocation device 302 in microcell base station 3 is that user equipment 2 distributes resource, microcell base station 3 will send physical layer accidental access response message to user equipment 2, include the resource of distribution（) and timing advance grant（ TA ) .
After the resource and timing advance of distribution is received, user equipment 2 achieves synchronous with microcell base station 3.After the acquirement of user equipment 2 is synchronous with microcell base station 3, namely the access of user equipment 2 is transmitted to microcell base station 3 with the coordination instruction message after the connection of microcell base station 3, identified among the signaling that user equipment 2 will be received from macro base station 1.
According to one embodiment of present invention, the aided coordination device 30 in microcell base station 3 also includes a message receiving apparatus, and message is indicated for receiving the coordination from user equipment 2.
After the message receiving apparatus in microcell base station 3 receives coordination configured information, microcell base station 3 will provide service according to its user equipment that is designated as coordinating to indicate message, so as to avoid the interference between two class base stations.
According to one embodiment of present invention, indicate that the signaling of message and Special leader can be media access control layer signaling or radio resource control layer signaling comprising coordination by what the signaling generating means 101 in macro base station 1 were generated.The reliability of radio resource control layer signaling is higher than media access control layer signaling, but processing time of the latter in transmittance process is less than the former.When comprising the signaling of instruction message and Special leader is coordinated for media access control layer signaling, compromise can be obtained in the reliability of signalling and on processing time.
According to one embodiment of present invention, system can also configure corresponding special physical layer resources for Special leader, to avoid user from being collided when accessing.Then, the configured information of special physical layer resources corresponding with Special leader is also included in the signaling that the signaling generating means 101 in macro base station 1 are generated.User equipment 2 receives the signaling transmitted by macro base station 1 and identified after the information in signaling, will use and send this Special leader to corresponding special physical layer resources with Special leader.
With reference to Fig. 1, the scene four in the present invention is as follows：First kind base station 1 is that microcell base station, Equations of The Second Kind base station 3 are macro base station；Communication between user equipment 2 and microcell base station 1 is disturbed by the signal of macro base station 3；Provided with a conditioning unit 10 in microcell base station 1;Provided with an aided coordination device 30 in macro base station 3.Such as, but not limited to, microcell base station 1 is a base station from home.Illustrate the operation of each device under the scene below in conjunction with Fig. 1,3,4.
First, the coordination determining device 101 in microcell base station 1 will determine to carry out the coordination relevant with the access of user equipment 2 between microcell base station 1 and macro base station 3.
Specifically, for example, user equipment 2 regularly or unexpectedly sends jamming report.When the jamming report that microcell base station 1 is received shows that the interference signal from macro base station 3 is larger, such as interference signal from macro base station 3（In user equipment 2) receiving power more than a predetermined threshold when, the coordination determining device 101 in microcell base station 1 will determine to carry out the coordination relevant with the access of user equipment 2 between microcell base station 1 and macro base station 3.
In another example, microcell base station 1 can voluntarily detect the interference from other base stations.When microcell base station 1 detect the interference signal from macro base station 3 it is larger when, the coordination determining device 101 in microcell base station 1 will determine to carry out the coordination relevant with the access of user equipment 2 between microcell base station 1 and macro base station 3.
Then, the signaling generating means 102 in microcell base station 1 will generate a signaling, and the signaling includes coordinating to indicate message and a Special leader for being used to quickly access microcell base station.
Specifically, in the present embodiment, used in system it is leading be at least divided into two groups, be used to quickly access the Special leader of macro base station including one group.Generally, this group of Special leader has higher priority, and macro base station will be preferably to initiate the user equipment of access to distribute resource based on Special leader.
Then, generation is sent to user equipment 2 by the signaling sending device 103 in microcell base station 1 comprising the signaling for coordinating instruction message and Special leader.
User equipment 2 is received after the signaling transmitted by microcell base station 1, will identify that the information in signaling, and initiate access to macro base station 3 based on the Special leader carried in signaling.Specifically, user equipment 2 will monitor the broadcast message of macro base station 3, to obtain the configuration information of macro base station 3, including random access channel resource corresponding with Special leader.Then,
The random access channel resource corresponding using the Special leader with being identified is sent this Special leader by user equipment 2.
Detection of preamble device 301 in macro base station 3 is used to detect the Special leader for coming from user equipment 2.
After the Special leader for coming from user equipment 2 is detected, the resource allocation device 302 in macro base station 3 will distribute resource for user equipment 2.
Specifically, after the resource allocation device 302 in macro base station 3 is that user equipment 2 distributes resource, macro base station 3 will send physical layer accidental access response message to user equipment 2, include the resource of distribution（) and timing advance grant（ TA ) .
After the resource and timing advance of distribution is received, user equipment 2 achieves synchronous with macro base station 3.After the acquirement of user equipment 2 is synchronous with macro base station 3, that is, after the access of user equipment 2 and the connection of macro base station 3, the coordination identified among the signaling that user equipment 2 will be received from microcell base station 1 indicates that message is transmitted to macro base station 3.
According to one embodiment of present invention, the aided coordination device 30 in macro base station 3 also includes a message receiving apparatus, and message is indicated for receiving the coordination from user equipment 2.
After the message receiving apparatus in macro base station 3 receives coordination configured information, macro base station 3 will provide service according to its user equipment that is designated as coordinating to indicate message, and then avoid the interference between two class base stations.
According to one embodiment of present invention, indicate that the signaling of message and Special leader can be media access control layer signaling or radio resource control layer signaling comprising coordination by what the coordination generating means 101 in microcell base station 1 were generated.The reliability of radio resource control layer signaling is higher than media access control layer signaling, but processing time of the latter in transmittance process is less than the former.When comprising the signaling of instruction message and Special leader is coordinated for media access control layer signaling, compromise can be obtained in the reliability of signalling and on processing time.
According to one embodiment of present invention, system can also configure corresponding special physical layer resources for Special leader, to avoid user from being collided when accessing.Then, the configured information of special physical layer resources corresponding with Special leader is also included in the signaling that the signaling generating means 101 in microcell base station 1 are generated.User equipment 2 receives the signaling transmitted by microcell base station 1 and identified after the information in signaling, will use and send this Special leader to corresponding special physical layer resources with Special leader.
Those skilled in the art will be understood that each device alleged in the present invention can both be realized by hardware module, can also can also be realized by the Implement of Function Module in software by the hardware module for being integrated with software function module.
Those skilled in the art will be understood that above-described embodiment is illustrative and not restrictive.The different technologies feature occurred in different embodiments can be combined, to obtain beneficial effect.Those skilled in the art will be understood that and realize the embodiment of other changes of disclosed embodiment on the basis of studying accompanying drawing, specification and claims.In detail in the claims, term " including " is not precluded from other devices or step；Indefinite article " one " is not excluded for multiple；Term " first ", " second " are used to indicate title not for any specific order of expression.Any reference in claim is understood not to limiting of its scope.The function of some occurred in claim can be realized by a single hardware or software module.Some technical characteristics are appeared in be not meant to be combined these technical characteristics to obtain beneficial effect in different dependent claims.
Claims (13)
- Claims1. a kind of method for providing service for a user equipment in the mobile communications network comprising at least one first kind base station and at least one Equations of The Second Kind base station, comprises the following steps：A.-individual first kind base station determination coordination relevant with the access of the user equipment with progress between an Equations of The Second Kind base station, and a signaling is sent to the user equipment, the signaling includes coordinating to indicate message and the Special leader for quickly accessing Equations of The Second Kind base station；B. the user equipment receives the signaling, and is based on the Special leader to Equations of The Second Kind base station initiating random access procedure；D. after user equipment acquirement is synchronous with the Equations of The Second Kind base station, coordinate to indicate that message is transmitted to the Equations of The Second Kind base station by described.2. according to the method described in claim 1, it is characterised in that methods described also includes step：C. the Equations of The Second Kind base station detects the Special leader, and distributes resource for the user equipment.3. method according to claim 1 or 2, it is characterised in that the signaling includes media access control layer signaling or radio resource control layer signaling.4. according to the method in any one of claims 1 to 3, it is characterised in that the first kind base station includes macro base station, the Equations of The Second Kind base station includes microcell base station.5. according to the method in any one of claims 1 to 3, it is characterised in that the first kind base station includes microcell base station, the Equations of The Second Kind base station includes macro base station.6.-kind of the conditioning unit being used in first kind base station, it includes：Coordinate determining device, for determining to carry out the coordination relevant with the access of a user equipment between the first kind base station and an Equations of The Second Kind base station；Signaling generating means, for generating a signaling, the signaling includes coordinating to indicate message and the Special leader for quickly accessing Equations of The Second Kind base station；Signaling sending device, for the signaling to be sent into the user equipment.7. conditioning unit according to claim 6, it is characterised in that the signaling that the signaling generating means are generated includes media access control layer signaling or radio resource control layer signaling.8. the conditioning unit according to claim 6 or 7, it is characterised in that the first kind base station includes macro base station, the Equations of The Second Kind base station includes microcell base station.9. the conditioning unit according to claim 6 or 7, it is characterised in that the first kind base station includes microcell base station, the Equations of The Second Kind base station includes macro base station.10. a kind of aided coordination device being used in base station, it includes：Detection of preamble device, the Special leader of a user equipment is come from for detecting, the Special leader is used to quickly access base station；Resource allocation device, for distributing resource for the user equipment.1 1. aided coordination devices according to claim 10, it is characterised in that also include：Message receiving apparatus, message is indicated for receiving the coordination from the user equipment.12. the aided coordination device according to claim 10 or 11, it is characterised in that the base station includes microcell base station.13. the aided coordination device according to claim 10 or 11, it is characterised in that the base station includes macro base station.
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| PCT/CN2010/070684 WO2011097827A1 (en) | 2010-02-12 | 2010-02-12 | Method and device for interference coordination between different types of base stations |
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| CN104254092A (en) * | 2013-06-26 | 2014-12-31 | 华为技术有限公司 | Interference detection method and system, and apparatuses |
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| WO2013170471A1 (en) * | 2012-05-17 | 2013-11-21 | Renesas Mobile Corporation | Mechanism for controlling communications using resource co-scheduling in inter-cell interference scenario |
| US11438937B2 (en) * | 2020-07-17 | 2022-09-06 | Charter Communications Operating, Llc | Methods and apparatus for providing access to wireless networks |
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| CN101137135A (en) * | 2006-09-01 | 2008-03-05 | 大唐移动通信设备有限公司 | Base station and method for transmitting control scheduling information |
| CN101316134A (en) * | 2007-05-31 | 2008-12-03 | 大唐移动通信设备有限公司 | Accidental access method and corresponding terminal and base station adopting the same |
| WO2008155205A1 (en) * | 2007-06-21 | 2008-12-24 | Ipwireless Inc | Cellular communication system, apparatus and method for handover |
| WO2009051534A1 (en) * | 2007-10-19 | 2009-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Non contetion based access at handover failure |
| CN101627649A (en) * | 2007-03-07 | 2010-01-13 | 诺基亚公司 | System and method for non-contention based handover based on pre-reserved target cell uplink allocations in communication systems |
| CN101632243A (en) * | 2007-01-19 | 2010-01-20 | 株式会社Ntt都科摩 | Base station device, mobile station, mobile communication system, and communication control method |
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2010
- 2010-02-12 WO PCT/CN2010/070684 patent/WO2011097827A1/en active Application Filing
- 2010-02-12 CN CN201080051097.9A patent/CN102612854B/en active Active
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| CN101137135A (en) * | 2006-09-01 | 2008-03-05 | 大唐移动通信设备有限公司 | Base station and method for transmitting control scheduling information |
| CN101632243A (en) * | 2007-01-19 | 2010-01-20 | 株式会社Ntt都科摩 | Base station device, mobile station, mobile communication system, and communication control method |
| CN101627649A (en) * | 2007-03-07 | 2010-01-13 | 诺基亚公司 | System and method for non-contention based handover based on pre-reserved target cell uplink allocations in communication systems |
| CN101316134A (en) * | 2007-05-31 | 2008-12-03 | 大唐移动通信设备有限公司 | Accidental access method and corresponding terminal and base station adopting the same |
| WO2008155205A1 (en) * | 2007-06-21 | 2008-12-24 | Ipwireless Inc | Cellular communication system, apparatus and method for handover |
| WO2009051534A1 (en) * | 2007-10-19 | 2009-04-23 | Telefonaktiebolaget Lm Ericsson (Publ) | Non contetion based access at handover failure |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104254092A (en) * | 2013-06-26 | 2014-12-31 | 华为技术有限公司 | Interference detection method and system, and apparatuses |
| CN104254092B (en) * | 2013-06-26 | 2018-02-06 | 华为技术有限公司 | Interference detection method, device and system |
Also Published As
| Publication number | Publication date |
|---|---|
| WO2011097827A1 (en) | 2011-08-18 |
| CN102612854B (en) | 2014-10-08 |
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