CN103052123A - Method, device and equipment for recognizing small cell in heterogeneous network - Google Patents
Method, device and equipment for recognizing small cell in heterogeneous network Download PDFInfo
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- CN103052123A CN103052123A CN2011103098243A CN201110309824A CN103052123A CN 103052123 A CN103052123 A CN 103052123A CN 2011103098243 A CN2011103098243 A CN 2011103098243A CN 201110309824 A CN201110309824 A CN 201110309824A CN 103052123 A CN103052123 A CN 103052123A
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Abstract
The invention discloses a method, a device and equipment for recognizing a small cell in a heterogeneous network. The method comprises the following steps that user equipment (UE) acquires the identification information of a small cell which is adjacent to the current service cell from the current service cell; and the UE determines the cell detected by the UE as a small cell according to the identification information of the small cell. Through the method, the device and the equipment, the small cell existing in the heterogeneous network can be recognized by the UE.
Description
Technical field
The present invention relates to the communications field, small-cell recognition methods, device and equipment in a kind of heterogeneous network.
Background technology
At present, wireless network communications system has defined a series of operation for the mobile behavior of the subscriber equipment under the homogeneous network scene (User Equipment is referred to as UE).Wherein, for the movement of the UE that is in connection status, system has stipulated that corresponding measurement operates to trigger possible handover operation and power save function mechanism; For the movement of the UE that is in idle state, system has stipulated corresponding reselection operation.Yet, variation along with network configuration, the scene of heterogeneous network occurs more and more, if directly the mobile manipulator system with existing UE for homogeneous network definition is incorporated in the heterogeneous network scene and will can't satisfies the performance requirement of wireless network communications system, so, need to introduce some new move operation mechanism for the mobile behavior of the UE under the heterogeneous network scene.
Please refer to Fig. 1, the heterogeneous network scene is as shown shown in 1, at macro base station (Macro Base Station, referred to as MBS) coverage in disposed four kinds of typical small-power node (Low Power Node, referred to as LPN), comprise: Home eNodeB node (Femto Node), little base-station node (Pico Node), relaying (Relay) node and remote radio node (Remote Radio Head is referred to as RRH).As shown in Figure 1, when UE moved under the heterogeneous network scene, the destination node of its handover operation or reselection operation may be the LPN node, and at this moment, UE need to introduce some new mechanism to satisfy the performance requirement of system.
Suppose to be in the scene that measurement report that the UE of connection status sends can trigger the handover operation from the Macro residential quarter to small-cell, because the Macro node (namely, macro base station) channel conditions of residential quarter and LPN node cell boarder changes more violent than the channel conditions variation of Macro node residential quarter and Macro node cell boarder, if UE still uses the measurement report event from the Macro node to the Macro node to trigger (Time to Trigger analysis time, referred to as TTT) execution measurement report event triggering analysis operation, then may cause UE also not receive switching command (Handover Command) message and just disconnect and being connected of current Macro network node, can not normally finish thereby cause switching.Analyze again power save function, UE can open discontinuous monitoring (Discontinuous Reception based on the demand of economize on electricity, referred to as DRX) mechanism, in order to reduce to a greater degree the power consumption of UE, the base station can arrange long non-audit window (Non-Active time) as far as possible.But, in the heterogeneous network scene that the LPN node exists, when UE has enabled measurement operation mechanism for LPN node residential quarter, UE need to enable the DRX parameter configuration that is complementary, thereby improve the probability that successfully receives possible switching command message, and and then improve probability to the success of LPN node cell handover operations.
UE for the idle attitude under the scene that is in the existence of LPN node, system also has some special demands, for example, when UE is in high-speed moving state, execute gravity treatment for fear of UE and promptly carry out again the operation that goes out from the small-cell gravity treatment after the operation of small-cell, when UE detected a plurality of residential quarters that comprise small-cell and satisfies simultaneously the selection criterion of residential quarter, UE need to reduce gravity treatment to the priority of small-cell or avoid gravity treatment to arrive small-cell.
For UE in the correlation technique fully the small-power node in the Division identification heterogeneous network comprise the problem of residential quarter (that is, small-cell), for example, the residential quarter that the Pico base-station node comprises not yet proposes effective solution at present.
Summary of the invention
Main purpose of the present invention is to provide small-cell recognition methods, device and the equipment in a kind of heterogeneous network, to address the above problem at least.
According to an aspect of the present invention, provide the recognition methods of the small-cell in a kind of heterogeneous network, having comprised: subscriber equipment obtains the small-cell identification information of the small-cell adjacent with current service cell from Current Serving BTS; Subscriber equipment judges that according to the small-cell identification information Target cell that subscriber equipment detects is small-cell.
Preferably, user terminal obtains the small-cell identification information of the small-cell adjacent with current service cell from Current Serving BTS, comprise: the subscriber equipment that is in connection status receives from the Radio Resource that carries the small-cell identification information of Current Serving BTS controls (RRC) signaling message, obtains the small-cell identification information from the RRC signaling message; Or reception is obtained the small-cell identification information from the system broadcast message that carries the small-cell identification information of Current Serving BTS from system broadcast message.
Preferably, user terminal obtains the small-cell identification information of the small-cell adjacent with current service cell from Current Serving BTS, comprise: be in the subscriber equipment reception of idle state from the system broadcast message that carries the small-cell identification information of Current Serving BTS, from system broadcast message, obtain the small-cell identification information.
Preferably, subscriber equipment judges that according to the small-cell identification information residential quarter that subscriber equipment detects is small-cell, comprising: subscriber equipment obtains the physical label (PCI) of the residential quarter that detects, and judges that PCI is contained in the small-cell identification information, wherein, the small-cell identification information comprises PCI; Subscriber equipment judges that the residential quarter that detects is small-cell.
Preferably, small-cell comprise following one of at least: the residential quarter that the residential quarter that the residential quarter that the Pico node comprises, Home eNodeB node comprise, the residential quarter that via node comprises, remote radio node (RRH) comprise.
Preferably, after subscriber equipment judged that according to the small-cell identification information residential quarter that subscriber equipment detects is as small-cell, comprising: subscriber equipment was enabled the operation mechanism that is complementary with small-cell.
Preferably, subscriber equipment is enabled the operation mechanism that is complementary with small-cell Target cell is operated, and comprising: the subscriber equipment that is in connection status is enabled measurement operation and/or the power save function mechanism that is complementary with small-cell.
Preferably, subscriber equipment is enabled the operation mechanism that is complementary with small-cell Target cell is operated, and comprising: the subscriber equipment that is in idle state is enabled the reselection operation mechanism that is complementary with small-cell.
According to a further aspect in the invention, provide the recognition device of the small-cell in a kind of heterogeneous network, having comprised: acquisition module, for the small-cell identification information that obtains the small-cell adjacent with current service cell from Current Serving BTS; Determination module is used for judging that according to the small-cell identification information residential quarter that line module detects is small-cell.
Preferably, acquisition module comprises: the first receiving element is used for receiving Radio Resource control (RRC) signaling message that carries the small-cell identification information from Current Serving BTS; The first acquiring unit is used for obtaining the small-cell identification information from the RRC signaling message.
Preferably, acquisition module comprises: the second receiving element is used for receiving the system broadcast message that carries the small-cell identification information from Current Serving BTS; Second acquisition unit is used for obtaining the small-cell identification information from system broadcast message.
Preferably, small-cell comprise following one of at least: the residential quarter that the residential quarter that the residential quarter that the Pico node comprises, Home eNodeB node comprise, the residential quarter that via node comprises, remote radio node (RRH) comprise.
According to another aspect of the invention, provide a kind of subscriber equipment, having comprised: the small-cell recognition device in the above-mentioned heterogeneous network.
In accordance with a further aspect of the present invention, a kind of information transmitting apparatus is provided, be positioned at the serving BS side, comprise: sending module, be used for sending Radio Resource control (RRC) signaling message that carries the small-cell identification information to above-mentioned subscriber equipment, and/or carry the system broadcast message of small-cell identification information, so that described subscriber equipment obtains the small-cell identification information from RRC signaling message and/or system broadcast message.
By the present invention, adopt subscriber equipment to obtain the mode of the small-cell identification information of the small-cell adjacent with current service cell from Current Serving BTS, solved the fully problem of the small-cell in the Division identification heterogeneous network of subscriber equipment in the prior art, in case determining the residential quarter that detects is small-cell, then can enable corresponding operation mechanism, and then reach the effect that improves the move operation performance.
Description of drawings
Accompanying drawing described herein is used to provide a further understanding of the present invention, consists of the application's a part, and illustrative examples of the present invention and explanation thereof are used for explaining the present invention, do not consist of improper restriction of the present invention.In the accompanying drawings:
Fig. 1 is the schematic diagram according to the heterogeneous network scene of correlation technique;
Fig. 2 is according to the small-cell recognition methods flow chart in the heterogeneous network of the embodiment of the invention;
Fig. 3 is the operational flowchart of the small-cell recognition methods in the heterogeneous network according to the preferred embodiment of the invention;
Fig. 4 is that the UE that is in according to the preferred embodiment of the invention connected state carries out Signalling exchange schematic diagram between the network element of measuring operation to small-cell;
Fig. 5 is that the UE that is in according to the preferred embodiment of the invention connected state carries out the operational flowchart of measuring operation to small-cell;
To be the UE that is in according to the preferred embodiment of the invention connected state exist power save function flow chart under the heterogeneous network scene at small-cell to Fig. 6;
Fig. 7 is that the UE that is in according to the preferred embodiment of the invention idle attitude carries out mutual schematic diagram between the reselection operation network element to small-cell;
Fig. 8 is that the UE that is in according to the preferred embodiment of the invention idle attitude exists scene to carry out the operational flowchart of reselection operation for small-cell;
Fig. 9 is the structured flowchart according to the small-cell recognition device in the heterogeneous network of the embodiment of the invention;
Figure 10 is the structured flowchart of the small-cell recognition device in the heterogeneous network according to the preferred embodiment of the invention;
Figure 11 is the structural representation according to the subscriber equipment of the embodiment of the invention;
Figure 12 is the schematic diagram according to the information transmitting apparatus of the embodiment of the invention.
Embodiment
Hereinafter also describe in conjunction with the embodiments the present invention in detail with reference to accompanying drawing.Need to prove, in the situation that do not conflict, embodiment and the feature among the embodiment among the application can make up mutually.
Fig. 2 is according to the small-cell recognition methods flow chart in the heterogeneous network of the embodiment of the invention, and as shown in Figure 2, the method mainly may further comprise the steps (step S202-step S204):
Step S202, subscriber equipment obtain the small-cell identification information of the small-cell adjacent with current service cell from Current Serving BTS;
Step S204, subscriber equipment judges that according to the small-cell identification information residential quarter that subscriber equipment detects is small-cell.
In step S202, the subscriber equipment that is in connection status can receive from the Radio Resource that carries the small-cell identification information of current service cell controls (RRC) signaling message, from the RRC signaling message, obtain again the small-cell identification information, or reception is obtained the small-cell identification information again from the system broadcast message that carries the small-cell identification information of Current Serving BTS from system broadcast message; The subscriber equipment that is in idle state then can receive the system broadcast message that carries the small-cell identification information from Current Serving BTS, obtains the small-cell identification information from system broadcast message again.
In step S204, subscriber equipment can obtain the physical cell identity (PCI) of its residential quarter adjacent with current service cell that detects, and judges that PCI belongs to the small-cell identification information, judges that again the residential quarter that detects is small-cell.
In actual applications, small-cell can comprise following one of at least: the residential quarter that the residential quarter that the residential quarter that the Pico node comprises, Home eNodeB node comprise, the residential quarter that via node comprises, remote radio node (RRH) comprise.Preferably, the RRC signaling message is wireless link reallocation message.
After step S204, subscriber equipment is enabled the operation mechanism that is complementary with small-cell.
Preferably, the subscriber equipment that is in connection status can be enabled measurement operation mechanism and/or the power save function mechanism that is complementary with small-cell, to trigger possible measurement and/or power save function to small-cell; The subscriber equipment that is in idle state can be enabled the reselection operation mechanism that is complementary with small-cell to trigger the possible reselection operation to small-cell.
Particularly, the subscriber equipment (UE) that is in connected state can obtain by Radio Resource control (RRC) signaling message that Current Serving BTS sends the identification information of the adjacent small-cell of current service cell, wherein, the RRC signaling message can be wireless link reconfigured (RRC Connection Reconfiguration) message, be in the identification information that obtains the adjacent small-cell that current service cell sends in the system broadcast message that the UE of connected state can also send by Current Serving BTS, wherein, system broadcast message can comprise: comprise the cell identity information with the frequency small-cell in the system broadcast message module 4 (SIB4), comprise the different frequently cell identity information of small-cell in the system broadcast message module 5 (SIB5), system broadcast message module 6, system broadcast message module 7, system broadcast message module 8 (SIB6, SIB7, SIB8) comprise non-cell identity information with the standard small-cell in.
The UE that is in idle attitude can obtain by the system broadcast message that Current Serving BTS sends the identification information of the adjacent small-cell of current service cell, wherein, system broadcast message comprises: comprise the cell identity information with the frequency small-cell in the system broadcast message module 4 (SIB4), comprise the different frequently cell identity information of small-cell in the system broadcast message module 5 (SIB5), comprise non-cell identity information with the standard small-cell in system broadcast message module 6, system broadcast message module 7, the system broadcast message module 8 (SIB6, SIB7, SIB8).
In actual applications, small-cell can be: the residential quarter that the Home eNodeB of the residential quarter that the Pico node comprises, open working pattern (Open) comprises, the residential quarter that the Relay node comprises, and the residential quarter that comprises of RRH node; The small-cell sign can be Physical Cell Identifier (Physical Cell Identifier, PCI).
Portable terminal is after detecting the Physical Cell Identifier of neighbor cell (PCI) information, can judge whether the residential quarter that detects is small-cell by mating its adjacent small-cell list of identification information of obtaining, be small-cell in case judge the residential quarter that detects, the portable terminal that then is in connected state can enable for small-cell measurement mechanism, enabling more suitably, measurement report event triggers analysis time (TTT), further, can also enable more suitably DRX mechanism parameter configuration; Further, the portable terminal that is in high-speed moving state can be avoided operating for the measurement of the adjacent small-cell of current service cell.
The UE that is in connected state can control (Radio Resource Control by the Radio Resource that Current Serving BTS sends, RRC) relevant measurement mechanism parameter configuration and the electricity-saving mechanism parameter configuration of the adjacent small-cell of current service cell that obtains of signaling message, further, can be by the current service cell of obtaining the relevant configuration of measurement operating parameter and the electricity-saving mechanism parameter configuration of adjacent small-cell enable corresponding operating process and parameter configuration for corresponding small-cell.
The UE that is in idle attitude can exist the scene of small-cell to enable corresponding reselection operation mechanism for neighbor cell, further, when existing a plurality of neighbor cells to satisfy the residential quarter selection criterion, the UE that is in idle attitude can carry out the cell reselection criterion based on self mobile status, further, the UE that is in high-speed moving state can reduce gravity treatment to the priority of small-cell or the not gravity treatment of UE that is in high-speed moving state to small-cell.
Fig. 3 is the operational flowchart of the small-cell recognition methods in the heterogeneous network according to the preferred embodiment of the invention, and as shown in Figure 3, this flow process may further comprise the steps:
S302, UE works, and can normally receive the signaling message of Current Serving BTS;
S304, UE get access to the cell identity information tabulation of the adjacent small-cell of its Serving cell from the signaling message of Current Serving BTS.
S306 when UE detects neighbor cell, tabulates to carry out matching operation by the cell identity information of the adjacent small-cell of Serving cell that obtained, to judge that whether the neighbor cell that detects is as small-cell;
S308, when UE judged that the neighbor cell that detects is as small-cell, then UE carried out corresponding operating process and parameter configuration, and wherein, connected state UE and idle attitude UE carry out respectively accordingly measurement operation and the reselection operation for small-cell;
S310, UE finishes corresponding move operation based on operating process and parameter configuration that needs are enabled.
Fig. 4 is that the UE that is in according to the preferred embodiment of the invention connected state carries out Signalling exchange schematic diagram between the network element of measuring operation to small-cell, and as shown in Figure 4, this flow process may further comprise the steps:
S402 gets access to the list of identification information of the adjacent small-cell of its Serving cell in the RRC signaling message of connected state UE by Current Serving BTS; RRC signaling message herein can be wireless link reconfigured (RRC Connection Reconfiguration) message;
S404, connected state UE are when detecting the physical cell identity of neighbor cell (PCI), and the PCI that the UE execution detects and the cell identity information list match of its small-cell that obtains in S402 operate;
S406 is small-cell if UE judges the residential quarter that detects based on the matching operation among the S404, then carries out corresponding measurement operating process and enables corresponding parameter configuration to trigger possible handover operation.
Fig. 5 is that the UE that is in according to the preferred embodiment of the invention connected state carries out the operational flowchart of measuring operation to small-cell, and as shown in Figure 5, this flow process may further comprise the steps:
S502, connected state UE is connected to current service cell, and from Current Serving BTS, obtain the cell identity information tabulation of the adjacent small-cell of current service cell and the corresponding relevant measurement report in residential quarter and trigger analysis time, be that to trigger analysis time can should be that the shorter measurement report event of macrocell triggers analysis time in measuring Action Target for comparison for the measurement report event of small-cell corresponding to measuring Action Target herein, can reduce triggering UE execution for the required time of the measurement report of small-cell analysis time based on shorter measurement report event triggering, thereby trigger faster measurement report, and and then trigger possible handover operation, and and then satisfy system requirements, described cell ID is physical cell identity (PCI); UE can be by the RRC specific messages of Current Serving BTS transmission, for example, wireless link reconfigured (RRC Connection Reconfiguration) message, in get access to the cell identity information tabulation of the adjacent small-cell of described current service cell and the corresponding relevant measurement report of small-cell triggers analysis time, also can from the broadcast of current service cell, obtain the cell identity information tabulation of the adjacent small-cell of current service cell and the corresponding relevant measurement report of small-cell and trigger analysis time, for example in system broadcast message module 4 (SIB4), comprise with the relevant information of frequency small-cell, comprise the relevant information of different frequently small-cells in the system broadcast message module 5 (SIB5), system broadcast message module 6, system broadcast message module 7, system broadcast message module 8 (SIB6, SIB7, SIB8) comprise non-with the relevant information of standard small-cell in;
S504 when UE detects new neighbor cell, need to carry out matching operation, namely obtains the PCI of the neighbor cell that detects, and and then the cell identity information tabulation of mating its adjacent small-cell that has obtained.UE obtains the operation of the neighbor cell PCI that detects and can carry out according to the mode in the existing system, and the master by detecting neighbor cell synchronously and carry out corresponding arithmetic operation behind the secondary synchronization sequences and obtain;
S506, when judging that based on the matching operation among the S504 neighbor cell that detects is as small-cell, UE can carry out corresponding measurement operation, and whether satisfy the measurement report condition based on the channel conditions that the result who measures operation analyzes current service cell and neighbor cell, the existing measurement of measurement report configuration use system herein configures.After UE detects the measurement report condition and satisfies, then need to determine whether further in measurement report triggers analysis time, all to satisfy the measurement report condition, and when if UE detected Target cell and was small-cell this moment, then need to enable the measurement report that is directed to small-cell to trigger analysis time;
S508, if trigger in analysis time at the measurement report for the small-cell configuration, the channel conditions of current service cell and neighbor cell all continues to satisfy measurement report trigger condition, then UE triggers measurement report to the base station.
To be the UE that is in according to the preferred embodiment of the invention connected state exist power save function flow chart under the heterogeneous network scene at small-cell to Fig. 6, and as shown in Figure 6, this flow process may further comprise the steps:
S602, connected state UE is connected to current service cell, and obtain the cell identity information tabulation of the adjacent small-cell of current service cell and corresponding relevant discontinuous reception (DRX) the power-save mechanism parameter configuration in residential quarter from Current Serving BTS, described cell ID is physical cell identity (PCI); UE can be by the RRC specific messages of Current Serving BTS transmission, wireless link reconfigured (RRC Connection Reconfiguration) message for example, in get access to cell identity information tabulation and corresponding (DRX) power-save mechanism parameter configuration for small-cell of the adjacent small-cell of described current service cell, also can from the broadcast of current service cell, obtain cell identity information tabulation and corresponding (DRX) power-save mechanism parameter configuration for small-cell of the adjacent small-cell of current service cell;
S604 when UE detects new neighbor cell, needs to carry out matching operation, and the PCI that namely obtains the neighbor cell that detects mates the cell identity information tabulation of its adjacent small-cell that has obtained.UE obtains the PCI operation of the neighbor cell that detects and can carry out according to the mode in the existing system, and the master by detecting neighbor cell synchronously and carry out corresponding computing behind the secondary synchronization sequences and obtain;
S606, when based on the matching operation among the S604, when UE judges neighbor cell as small-cell, UE can enable discontinuous reception (DRX) power-save mechanism that has the small-cell scene for neighbor cell, enabling discontinuous reception (DRX) power-save mechanism decision condition and can also be defined as further the channel conditions that UE detects current service cell and neighbor cell and meet some requirements herein; A free-revving engine that the parameter configuration of DRX mechanism is set for small-cell herein is in order to allow UE can not miss the reception switching command message because being in non-audit window (Not Active Time), therefore can arrange or revise based on the TTT time for the small-cell setting in the example 1 the DRX parameter configuration or not enable DRX mechanism in order to improve the chance that receives switching command;
S608, UE enable for the machine-processed and corresponding parameter configuration of the DRX of small-cell to finish the follow-up possible handover operation to small-cell.
Fig. 7 is that the UE that is in according to the preferred embodiment of the invention idle attitude carries out mutual schematic diagram between the reselection operation network element to small-cell, and as shown in Figure 7, this flow process may further comprise the steps:
S702, obtain the cell identity information tabulation of the adjacent small-cell of current service cell in the idle broadcast of attitude UE by current service cell, current service cell can also broadcast the relevant mobile status decision threshold of small-cell and/or corrected parameter is judged in the relevant gravity treatment of small-cell;
S704 leaves unused attitude UE behind the physical cell identity that gets access to its neighbor cell that detects (PCI), the matching operation of the cell identity information tabulation of the PCI that the UE execution detects and its small-cell that obtains in S702;
S706 is small-cell if UE judges the neighbor cell that detects based on the matching operation among the S704, then needs to carry out the reselection operation that has scene for small-cell in conjunction with self mobile status.
Fig. 8 is that the UE that is in according to the preferred embodiment of the invention idle attitude exists scene to carry out the operational flowchart of reselection operation for small-cell, and as shown in Figure 8, this flow process may further comprise the steps:
S802, idle attitude UE resides in current service cell, and corrected parameter is judged in cell identity information tabulation and relevant mobile status decision threshold and/or the relevant gravity treatment of small-cell of small-cell of obtaining the adjacent small-cell of current service cell from the system message of Current Serving BTS broadcasting, for example in system broadcast message module 4 (SIB4), comprise with the relevant information of frequency small-cell, comprise the relevant information of different frequently small-cells in the system broadcast message module 5 (SIB5), system broadcast message module 6, system broadcast message module 7, system broadcast message module 8 (SIB6, SIB7, SIB8) comprise non-with the relevant information of standard small-cell in.In existing system, defined three kinds of mobile statuss, be used for controlling UE and judge the mobile status of oneself, and and then be used for controlling the reselection operation of UE.In this programme, can extra mobile status decision threshold type be set again or use existing threshold type for small-cell;
S804 when UE detects new neighbor cell, needs to carry out matching operation, namely mates the cell identity information tabulation of its adjacent small-cell that has obtained with the PCI of the neighbor cell that detects.UE obtains the PCI operation of its neighbor cell that detects and can carry out according to the mode in the existing system, and the master by detecting neighbor cell synchronously and carry out corresponding arithmetic operation behind the secondary synchronization sequences and obtain;
S806, when UE executive system regulation gravity treatment sorting operation, need to be in conjunction with mobile status and the gravity treatment corrected parameter of the small-cell gravity treatment priority of calculating small-cell of self.Wherein the mobile status decision method of UE self can use the existing mobile status decision method of system, namely UE by add up its within a certain period of time continuously the number of cells of process judge the mobile status of UE.When there is small-cell in neighbor cell, UE need to enable based on the mobile status decision threshold for the small-cell setting that obtains among the step S802, when the mobile status of UE satisfies or be higher than the threshold value thresholding of system's regulation, and UE detects when having a plurality of optional residential quarter, and UE one of can carry out in the following operation: 1, judge that by the relevant gravity treatment of small-cell of obtaining before using corrected parameter reduces gravity treatment to the priority of small-cell; 2, avoid gravity treatment to arrive small-cell.
Small-cell recognition methods in the heterogeneous network that employing above-described embodiment provides, solved the fully problem of the small-cell in the Division identification heterogeneous network of UE in the prior art, in case determine to enable corresponding operation mechanism when current Target cell is small-cell, and then reached the effect of the performance that has improved move operation.
Fig. 9 is the structured flowchart according to the small-cell recognition device in the heterogeneous network of the embodiment of the invention, this device is in order to the small-cell recognition methods in the heterogeneous network of realizing above-described embodiment and providing, as shown in Figure 9, this device mainly comprises: acquisition module 10 and determination module 20.Wherein, acquisition module 10 is for the small-cell identification information that obtains the small-cell adjacent with current service cell from Current Serving BTS; Determination module 20 is connected to acquisition module 10, is used for judging that according to the small-cell identification information residential quarter that line module detects is small-cell.
Figure 10 is the structured flowchart of the small-cell recognition device in the heterogeneous network according to the preferred embodiment of the invention, and as shown in figure 10, acquisition module can comprise: the first receiving element 12 and the first acquiring unit 14.Wherein, the first receiving element 12 is used for receiving Radio Resource control (RRC) signaling message that carries the small-cell identification information from Current Serving BTS; The first acquiring unit 14 is used for obtaining the small-cell identification information from the RRC signaling message.
Preferably, acquisition module can also comprise: the second receiving element 22 and second acquisition unit 24.Wherein, the second receiving element 22 is used for receiving the system broadcast message that carries the small-cell identification information from Current Serving BTS; Second acquisition unit 24 is used for obtaining the small-cell identification information from system broadcast message.Wherein, small-cell can comprise following one of at least: the residential quarter that the residential quarter that the residential quarter that the Pico node comprises, Home eNodeB node comprise, the residential quarter that via node comprises, remote radio node (RRH) comprise.
Figure 11 is the structural representation according to the subscriber equipment of the embodiment of the invention, and as shown in figure 11, this subscriber equipment comprises: the small-cell recognition device in the above-mentioned heterogeneous network.
Figure 12 is the schematic diagram according to the information transmitting apparatus of the embodiment of the invention, this information transmitting apparatus is positioned at the serving BS side, as shown in figure 12, this information transmitting apparatus, comprise: sending module 122, be used for sending Radio Resource control (RRC) signaling message that carries the small-cell identification information to above-mentioned subscriber equipment, and/or carry the system broadcast message of small-cell identification information, so that described subscriber equipment obtains the small-cell identification information from RRC signaling message and/or system broadcast message.
Small-cell recognition device and/or subscriber equipment in the heterogeneous network that employing above-described embodiment provides, with information transmitting apparatus, solved the fully problem of the small-cell in the Division identification heterogeneous network of UE in the prior art, in case determine to enable corresponding operation mechanism when current Target cell is small-cell, and then reach the effect that improves the move operation performance.
From above description, can find out, the present invention has realized following technique effect: by small-cell recognition methods and the device in the above-mentioned heterogeneous network, whether subscriber equipment (UE) can identify Target cell based on the cell ID of neighbor cell is small-cell, solved the fully problem of the small-cell in the Division identification heterogeneous network of UE in the prior art, to reach the effect that improves the move operation performance.
Obviously, those skilled in the art should be understood that, above-mentioned each module of the present invention or each step can realize with general calculation element, they can concentrate on the single calculation element, perhaps be distributed on the network that a plurality of calculation elements form, alternatively, they can be realized with the executable program code of calculation element, thereby, they can be stored in the storage device and be carried out by calculation element, and in some cases, can carry out step shown or that describe with the order that is different from herein, perhaps they are made into respectively each integrated circuit modules, perhaps a plurality of modules in them or step are made into the single integrated circuit module and realize.Like this, the present invention is not restricted to any specific hardware and software combination.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (14)
1. the small-cell recognition methods in the heterogeneous network is characterized in that, comprising:
Subscriber equipment obtains the small-cell identification information of the small-cell adjacent with described current service cell from Current Serving BTS;
Described subscriber equipment judges that according to described small-cell identification information the residential quarter that described subscriber equipment detects is small-cell.
2. method according to claim 1 is characterized in that, user terminal obtains the small-cell identification information of the small-cell adjacent with described current service cell from Current Serving BTS, comprising:
Be in the described subscriber equipment reception of connection status from the radio resource control RRC signaling message of the described small-cell identification information of carrying of described Current Serving BTS, from described RRC signaling message, obtain described small-cell identification information; Or
Reception is obtained described small-cell identification information from the system broadcast message of the described small-cell identification information of carrying of described Current Serving BTS from described system broadcast message.
3. method according to claim 1 is characterized in that, user terminal obtains the small-cell identification information of the small-cell adjacent with described current service cell from Current Serving BTS, comprising:
Be in the described subscriber equipment reception of idle state from the system broadcast message of the described small-cell identification information of carrying of described Current Serving BTS, from described system broadcast message, obtain described small-cell identification information.
4. according to claim 2 or 3 described methods, it is characterized in that, described subscriber equipment judges that according to described small-cell identification information the residential quarter that described subscriber equipment detects is small-cell, comprising:
Described subscriber equipment obtains the physical cell identity PCI of the residential quarter that detects, and judges that the PCI of the described residential quarter that detects is contained in the described small-cell identification information, and wherein, described small-cell identification information comprises the physical cell identity PCI of small-cell;
Described subscriber equipment judges that the described residential quarter that detects is small-cell.
5. method according to claim 4 is characterized in that, described small-cell comprise following one of at least: the residential quarter that the residential quarter that the residential quarter that the Pico node comprises, Home eNodeB node comprise, the residential quarter that via node comprises, remote radio node R RH comprise.
6. method according to claim 4 is characterized in that, after described subscriber equipment judges that according to described small-cell identification information residential quarter that described subscriber equipment detects is as small-cell, comprising:
Described subscriber equipment is enabled the operation mechanism that is complementary with described small-cell.
7. method according to claim 6 is characterized in that, described subscriber equipment is enabled the operation mechanism that is complementary with described small-cell, comprising:
The described described subscriber equipment that is in connection status is enabled measurement operation and/or the power save function mechanism that is complementary with described small-cell.
8. method according to claim 6 is characterized in that, described subscriber equipment is enabled the operation mechanism that is complementary with described small-cell, comprising:
The described described subscriber equipment that is in idle state is enabled the reselection operation mechanism that is complementary with described small-cell.
9. the small-cell recognition device in the heterogeneous network is characterized in that, comprising:
Acquisition module is for the small-cell identification information that obtains the small-cell adjacent with described current service cell from Current Serving BTS;
Determination module is used for judging that according to described small-cell identification information the residential quarter that described line module detects is small-cell.
10. device according to claim 9 is characterized in that, described acquisition module comprises:
The first receiving element is used for receiving the radio resource control RRC signaling message from the described small-cell identification information of carrying of described Current Serving BTS;
The first acquiring unit is used for obtaining described small-cell identification information from described RRC signaling message.
11. according to claim 9 or 10 described devices, it is characterized in that, described acquisition module comprises:
The second receiving element is used for receiving the system broadcast message from the described small-cell identification information of carrying of described Current Serving BTS;
Second acquisition unit is used for obtaining described small-cell identification information from described system broadcast message.
12. device according to claim 11 is characterized in that, described small-cell comprise following one of at least: the residential quarter that the residential quarter that the residential quarter that the Pico node comprises, Home eNodeB node comprise, the residential quarter that via node comprises, remote radio node R RH comprise.
13. a subscriber equipment is characterized in that, comprising: the small-cell recognition device among the claim 9-12 in each described heterogeneous network.
14. an information transmitting apparatus is positioned at the serving BS side, it is characterized in that, comprising:
Sending module, be used for sending the radio resource control RRC signaling message that carries the small-cell identification information to the described subscriber equipment of claim 13, and/or carry the system broadcast message of described small-cell identification information, so that described subscriber equipment obtains described small-cell identification information from described RRC signaling message and/or described system broadcast message.
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| CN2011103098243A CN103052123A (en) | 2011-10-13 | 2011-10-13 | Method, device and equipment for recognizing small cell in heterogeneous network |
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