CN102264094B - Communication realization method between eNBs (evolved Node B), eNB equipment and user equipment - Google Patents
Communication realization method between eNBs (evolved Node B), eNB equipment and user equipment Download PDFInfo
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- CN102264094B CN102264094B CN201010188557.4A CN201010188557A CN102264094B CN 102264094 B CN102264094 B CN 102264094B CN 201010188557 A CN201010188557 A CN 201010188557A CN 102264094 B CN102264094 B CN 102264094B
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Abstract
An embodiment of the invention discloses a communication realization method between eNBs (evolved Node B), eNB equipment and user equipment. The method comprises the following steps: determining user equipment used for forwarding information from served user equipment; sending a request message used for carrying out communication with an object eNB to the user equipment used for forwarding information in order to indicate the user equipment used for forwarding information to initiate a random access process, wherein the random access process is used for realization of information forwarding between a service eNB and the object eNB. According to the embodiment of the invention, using an X2 interface to transmit information is avoided in the process, information transmission of a user between eNBs without the X2 interface is realized when there is no X2 interface or time delay of the X2 is long, and reliability of information transmission between eNBs is improved.
Description
Technical field
The present invention relates to communication technical field, particularly a kind of inter base station communication implementation method, base station equipment and subscriber equipment.
Background technology
At Long Term Evolution (Long Term Evolution, be called for short: LTE) in system, X2 interface is the interface of the information interaction for base station (eNB), the content can transmitted by X2 interface is comprised: Inter-Cell Interference Coordination (Inter-Cell Interference Coordination, be called for short: the ICIC) relevant information, eNB config update information etc. that switch of information, subscriber equipment (User Equipment, be called for short: subscriber equipment).If there is not X2 interface between two of LTE system base stations, above-mentioned information cannot be carried out alternately (such as: ICIC information) between the base stations; If there is X2 interface in LTE system, but dispose due to carrier network and cause X2 interface time delay comparatively large, ICIC information can not send to adjacent base station in time, thus can affect the effect of Inter-Cell Interference Coordination.
Summary of the invention
The embodiment of the present invention provides a kind of inter base station communication implementation method, base station equipment and subscriber equipment, realizes the information transmission between base station when not adopting X2 interface.
Embodiments provide a kind of inter base station communication implementation method, comprising:
The subscriber equipment of forwarding information is determined from the subscriber equipment accepting to serve;
The request message being used for carrying out with described target BS communicating is sent to the described subscriber equipment for forwarding information, to indicate the described subscriber equipment for forwarding information to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The embodiment of the present invention additionally provides a kind of inter base station communication implementation method, comprising:
Receive from serving BS for the request message communicated between target BS;
According to the instruction of described request message, to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The embodiment of the present invention additionally provides a kind of base station equipment, comprising:
Determination module, for determining the subscriber equipment of forwarding information from the subscriber equipment accepting to serve;
Sending module, for sending the request message being used for carrying out with described target BS communicating to the described subscriber equipment for forwarding information, to indicate the described subscriber equipment for forwarding information to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The embodiment of the present invention additionally provides a kind of subscriber equipment, comprising:
Receiver module, for receive from serving BS for the request message communicated between target BS;
Access module, for the instruction according to described request message, to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The inter base station communication implementation method of the embodiment of the present invention, base station equipment and subscriber equipment, by sending the request message being used for carrying out with target BS communicating to the subscriber equipment for forwarding information, to make this for the subscriber equipment of forwarding information to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is the schematic flow sheet of an inter base station communication implementation method of the present invention embodiment;
Fig. 2 is the schematic flow sheet of another embodiment of inter base station communication implementation method of the present invention;
Fig. 3 is a signaling process figure of the inventive method embodiment;
Fig. 4 is another signaling process figure of the inventive method embodiment;
Fig. 5 is the schematic flow sheet of another embodiment of inter base station communication implementation method of the present invention;
Fig. 6 is the structural representation of a base station equipment of the present invention embodiment;
Fig. 7 is the structural representation of another embodiment of base station equipment of the present invention;
Fig. 8 is the structural representation of subscriber equipment embodiment of the present invention;
Fig. 9 is the structural representation that inter base station communication of the present invention realizes system embodiment.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
Fig. 1 is the schematic flow sheet of an inter base station communication implementation method of the present invention embodiment, and as shown in Figure 1, the embodiment of the present invention comprises the steps:
Step 101, from the subscriber equipment accepting to serve, determine the subscriber equipment of forwarding information;
Step 102, to send to this subscriber equipment for forwarding information and be used for carrying out with this target BS the request message that communicates, to indicate this for the subscriber equipment of forwarding information to this target BS initiating random access procedure, wherein, random access procedure is used for realizing forwarding information between serving BS and target BS.
The inter base station communication implementation method that the embodiment of the present invention provides, by sending the request message being used for carrying out with target BS communicating to the subscriber equipment for forwarding information, to be used in the subscriber equipment of forwarding information to target BS initiating random access procedure, the information forwarded is needed to realize in the random access procedure forwarding between subscriber equipment and target BS.Such as, self information can be carried in request message and pass to subscriber equipment by serving BS, and information is transmitted to target BS by described random access procedure by subscriber equipment; Also can carry the information that serving BS needs to obtain in described request message, subscriber equipment obtains described information by described random access procedure from target BS.Such as, obtain described information by receiving random access response (msg2) or message 4 (msg4), and the information obtained is sent to serving BS.Certainly, between serving BS and subscriber equipment, transmission of information can pass through described request message, but is realized by other signaling.Alternatively, described request message can comprise the information such as the lead code (Preamble) of random access procedure use.Use X2 interface transmission information owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user's transmission information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Fig. 2 is the schematic flow sheet of another embodiment of inter base station communication implementation method of the present invention, and in the embodiment of the present invention, for subscriber equipment provides the base station of service to be called serving BS, subscriber equipment base station to be accessed is target BS; As shown in Figure 2, the embodiment of the present invention comprises the steps:
Step 201, when serving BS need communicate with target BS, serving BS receive accepting serve subscriber equipment transmission measurement report.Alternatively, serving BS can receive the positional information from subscriber equipment.
Carrier aggregation capacity (the Carrier Aggregation of the signal quality information of the neighbor base stations that step 202, serving BS comprise according to this measurement report, the positional information of subscriber equipment, subscriber equipment, CA) or the RF capabilities of subscriber equipment (Radio Frequency be called for short:, be called for short: any one RF) or multinomial, from the subscriber equipment accepting to serve, determine the subscriber equipment of forwarding information.
Wherein, the embodiment of the present invention is only for any one in the RF capabilities of the carrier aggregation capacity of the signal quality information of neighbor base stations, positional information, subscriber equipment, subscriber equipment, carrier aggregation capacity or multinomially to illustrate, but RF ability, positional information, carrier aggregation capacity can not form the restriction to the ability information described in the embodiment of the present invention; In addition, serving BS can also select one or more for the subscriber equipment of forwarding information, with forwarding information between assistance services base station and target BS.
Step 203, serving BS are reshuffled this subscriber equipment for forwarding information.
Particularly, Ke Yiwei: for this subscriber equipment for forwarding information determines the duration in the space of forwarding information.Or, reconfigurable this of serving BS is used for the carrier wave of the subscriber equipment of forwarding information, this is used for the partial carrier wave of the subscriber equipment of forwarding information specifically can to use the control command activation/deactivation of media access control layer, with the rf chain enabling this subscriber equipment for forwarding information automatically adjust work.
Such as: this subscriber equipment being used for forwarding information only has a RF chain, space (GAP) is not measured in the configuration that this is current for the subscriber equipment of forwarding information, or it is smaller to measure space (GAP), then serving BS can be this for the special space (GAP) of the user device configuration of forwarding information, or upgrading this measurement space (GAP) for the subscriber equipment of forwarding information is the longer time, make subscriber equipment can utilize described measurement space forwarding information on current carrier, space (GAP) described in the embodiment of the present invention can for having the space of special nature, this space (GAP) Exactly-once or limited number of times, and the duration of this space (GAP) can not by the restriction of measuring space (GAP) normally, the duration in this space (GAP) can be determined to the duration of serving BS random access procedure according to the subscriber equipment for forwarding information, and, this space (GAP) can be discharged to the random access procedure of this serving BS when subscriber equipment completes, or this subscriber equipment being used for forwarding information returns to the space before reshuffling (GAP) state.
Again such as: if this subscriber equipment being used for forwarding information have two RF chains and current all use, then serving BS can utilize reconfiguration course to allow to get off this wherein RF chain free time for the subscriber equipment of forwarding information, if the subscriber equipment for forwarding information is current have multiple carrier wave in use, serving BS can reduce this operating carriers for the subscriber equipment of forwarding information by reshuffling or deactivate signaling, thus makes this wherein RF chain for the subscriber equipment of forwarding information become idle or have less task.Thus necessary preparation can be done for this subscriber equipment for forwarding information with communicating of target BS; Transmitting-receiving while if this subscriber equipment for forwarding information can realize two carrier waves by adjustment center frequency point on a RF chain, and do not affect current ongoing business, can not use the RF chain of this space (GAP) and/or free time yet; Further, if this configuration being used for the subscriber equipment of forwarding information current satisfies the demands, or this subscriber equipment being used for forwarding information can be realized by adjustment RF center frequency point, then step 203 can be omitted and not perform.
Step 204, to send to this subscriber equipment for forwarding information and be used for carrying out with target BS the request message that communicates, to indicate this for the subscriber equipment of forwarding information to target BS initiating random access procedure, wherein, random access procedure is used for realizing forwarding information between described serving BS and target BS.
Such as: the information that the subscriber equipment for forwarding information sends information to target BS or receives from target BS, the necessary subscriber equipment for forwarding information that needs can be comprised in this request message and send to the information of target BS, also the information such as the lead code (Preamble) of random access procedure use can be comprised, the frequency information of this target BS can also be comprised, such as: if when not performing step 204, then need the cell identifier (community ID) indicating this serving BS to this subscriber equipment for forwarding information, access frequency information etc., Target cell and/or target BS is identified and transmission needs the information of transmission to make this subscriber equipment for forwarding information.
Step 205, this is used for the system message of the subscriber equipment receiving target base station broadcast of forwarding information.
Step 206, this subscriber equipment being used for forwarding information obtain the random access resource performed needed for Stochastic accessing from this system message.
Step 207, this subscriber equipment for forwarding information perform random access procedure on random access resource.If the serving BS lead code that to be user device configuration special, then subscriber equipment can also use special lead code to carry out Stochastic accessing.
Wherein, in above-mentioned steps 205 ~ step 207, if this subscriber equipment being used for forwarding information performs according to request message to this target BS initiating random access procedure at least two spaces (GAP), such as realize synchronous with this target BS first space (GAP), and the system message of receiving target base station broadcast, second space (GAP) performs random access procedure, then this is used for the subscriber equipment of forwarding information and needs between this target BS to keep synchronous in the middle of two spaces (GAP).
Step 208, receive that this subscriber equipment for forwarding information returns for confirming the confirmation communicated with this target BS; In addition, if subscriber equipment is being attempted to make a mistake in the process communicated to this target BS, then this subscriber equipment being used for forwarding information can also to serving BS feeding back unsuccessful message; Further, acknowledge message and failed message can be same class message, can be acknowledge message or failed message by the information content identification in such message.
The inter base station communication implementation method that the embodiment of the present invention provides, by sending the request message being used for carrying out with target BS communicating to the subscriber equipment for forwarding information, to make this for the subscriber equipment of forwarding information to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Fig. 3 is a signaling process figure of the inventive method embodiment, and in the embodiment of the present invention, for subscriber equipment provides the base station of service to be called serving BS, subscriber equipment base station to be accessed is target BS; As shown in Figure 3, the embodiment of the present invention comprises the steps:
Step 301, serving BS determine to communicate with target BS, and the communication between serving BS and target BS is specifically as follows: serving BS needs to send information to target BS, or serving BS is determined to need to receive information from target BS.
Such as: according to the measurement report of the subscriber equipment under this serving BS, serving BS determines that this subscriber equipment under serving BS is being subject to the interference from target BS on certain or some carrier waves, serving BS is determined to need to send interference coordination information to target BS according to the annoyance level that the subscriber equipment under serving BS is subject to, then this interference coordination information is the information that serving BS needs to send to target BS; Further, interference coordination information can be the transmitting power that instruction target BS reduces carrier wave, can also be that instruction target BS changes the information such as the instruction of the carrier wave used.
Step 302, serving BS obtain the ability information accepting the subscriber equipment of serving; Wherein, the ability information such as respective RF ability, CA ability are sent to serving BS by the subscriber equipment accepting to serve under serving BS, also can be that the subscriber equipment under serving BS answers the requirement of serving BS to ability information such as serving base stations report RF ability, carrier aggregation capacities.Serving BS can just obtain aforementioned capabilities information and be stored in serving BS after subscriber equipment enters connection mode.The flow process of the various information of described acquisition may not be the flow process that the present embodiment needs, and the present embodiment does not limit this.
Subscriber equipment under step 303, serving BS according to the Survey control of serving BS to serving base stations report measurement report; Wherein, serving BS just can be configured and reporting measurement reports after subscriber equipment enters connection mode.
Step 304, serving BS determine the subscriber equipment of forwarding information according at least one information in the RF ability of the subscriber equipment under this serving BS, CA ability, positional information, measurement report, and this subscriber equipment being used for forwarding information is compare the subscriber equipment being adapted at carrying out sending/receiving information between serving BS and target BS; Further, serving BS can select one or more for the subscriber equipment of forwarding information, with forwarding information between assistance services base station and target BS.
Step 305, for meet carry out communicating (sending/receiving information) by this subscriber equipment for forwarding information with target BS, serving BS to this subscriber equipment for forwarding information carry out necessity reshuffling, such as: this subscriber equipment being used for forwarding information only has a RF chain, space (GAP) is not measured in the configuration that this is current for the subscriber equipment of forwarding information, or it is smaller to measure space (GAP) duration, then serving BS can be this for the special space (GAP) of the user device configuration of forwarding information, or the duration this being used for the measurement space (GAP) of the subscriber equipment of forwarding information is updated to longer duration, such as: the duration measuring space (GAP) is 6 milliseconds, then the duration in this special space (GAP) can be greater than 6 milliseconds.
Again such as: if this subscriber equipment being used for forwarding information have two RF chains and current all use, then serving BS can utilize the control information of carrier wave reconfiguration course or media access control layer to allow to get off this wherein RF chain free time for the subscriber equipment of forwarding information, if this is used for, the subscriber equipment of forwarding information is current has multiple carrier wave in use, then serving BS can reduce this operating carriers for the subscriber equipment of forwarding information by reshuffling or deactivate signaling, thus make this wherein RF chain for the subscriber equipment of forwarding information become idle or have less task.Thus be that this subscriber equipment for forwarding information does necessary preparation with communicating of target BS; Further, if this configuration being used for the subscriber equipment of forwarding information current satisfies the demands, or receive and send messages while this subscriber equipment for forwarding information realizes on multiple carrier wave by adjustment RF chain, do not use space (GAP) can realize and the communicating of target BS, then can not perform this step 305.
Step 306, serving BS send a request message to this subscriber equipment for forwarding information, this subscriber equipment for forwarding information is asked to communicate with target BS, such as: the information that this subscriber equipment being used for forwarding information sends information to target BS or receives from target BS; The information that necessary this subscriber equipment for forwarding information of needs sends to target BS can be comprised in this request message, also the lead code (Preamble) that random access procedure uses can be comprised, the cell identifier of target BS, information such as access frequency etc. can also be comprised, identify Target cell and/or target BS to make this subscriber equipment for forwarding information and transmission needs the information of transmission.
Step 307, this subscriber equipment being used for forwarding information are to target BS initiating random access procedure, this subscriber equipment being used for forwarding information performs the process of carrying out with target BS communicating, such as: this subscriber equipment being used for forwarding information is used for the information of subscriber equipment reception from target BS of forwarding information to target BS transmission information or this; Further, random access procedure involved in this step 307 mainly contains the following two kinds: one, Stochastic accessing based on competition, two, based on non-competing Stochastic accessing.This subscriber equipment being used for forwarding information sends to the information of target BS can carry in the message 3 (msg3) of random access procedure, thus realizes this subscriber equipment for forwarding information transmission interference coordination information to target BS; This subscriber equipment being used for forwarding information receives and can carry in the message 2 (msg2) of random access procedure or message 4 (msg4) from the information of target BS, thus realizes the interference coordination information that this subscriber equipment receiving target base station for forwarding information sends.Suppose: serving BS has two carrier waves (CC1 and CC2), target BS has an operating carriers CC1: if this subscriber equipment being used for forwarding information only has a RF (intra-band CA), this subscriber equipment for forwarding information is operated in CC1, then these subscriber equipment needs being used for forwarding information communicate with target BS at space (GAP); If this subscriber equipment being used for forwarding information only has a RF (intra-band CA), this subscriber equipment for forwarding information is operated in CC2, if CC1 and CC2 is (intra-band) carrier wave in band, then this subscriber equipment being used for forwarding information can by the center frequency point of adjustment RF, thus realize receiving and sending messages with serving BS at CC1 and receiving and sending messages on CC2 with target BS simultaneously, now can not need space (GAP); If this subscriber equipment being used for forwarding information has a more than RF, and this subscriber equipment for forwarding information is operated in CC1, these subscriber equipment needs being used for forwarding information communicate with target BS at space (GAP); If this subscriber equipment being used for forwarding information has a more than RF, and this subscriber equipment for forwarding information is operated in CC2, this subscriber equipment being used for forwarding information can use another RF chain to communicate with target BS; If this subscriber equipment being used for forwarding information has a more than RF, and this subscriber equipment for forwarding information is operated in CC1 and CC2, then serving BS can dispatch this subscriber equipment for forwarding information on a RF, or allow this subscriber equipment for forwarding information only be operated in one of them CC, this subscriber equipment being used for forwarding information can use another RF chain to communicate with target BS, and this subscriber equipment being used for forwarding information also can utilize space (GAP) to communicate with target BS certainly; This subscriber equipment for forwarding information can be informed by above-mentioned steps 306 by serving BS, also can be decided in its sole discretion by this subscriber equipment for forwarding information and determine to select suitable mode from aforesaid way.
Step 308, this subscriber equipment being used for forwarding information send acknowledge message to serving BS, to confirm that this subscriber equipment for forwarding information has completed the process of carrying out with serving BS communicating, such as: this subscriber equipment being used for forwarding information has completed and sent information to target BS or completed the process of information of receiving target base station.The information that target BS needs to send to serving BS can be carried in this acknowledge message.If this is used for the subscriber equipment of forwarding information, in executive communication process (transmission information or the information of reception) there occurs failure, or, receive the acknowledge message of this random access procedure mistake of instruction that this returns for the subscriber equipment of forwarding information, then these subscriber equipment needs being used for forwarding information clearly indicate this procedure failure to serving BS.
Wherein, above-mentioned steps 307 and step 308 there is no temporal strict demand, also can be first perform step 308 to perform step 307 again, now send for confirming the acknowledge message that communicated with this target BS or indicate the acknowledge message of random access procedure mistake only to represent whether this subscriber equipment for forwarding information possesses the primary condition performed to target BS Stochastic accessing.
Pass through said process, by sending for carrying out the request message communicated between serving BS with target BS to the subscriber equipment for forwarding information, to be used in the subscriber equipment of forwarding information to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Fig. 4 is another signaling process figure of the inventive method embodiment, and in the embodiment of the present invention, for subscriber equipment provides the base station of service to be called serving BS, subscriber equipment base station to be accessed is target BS; As shown in Figure 4, the embodiment of the present invention comprises the steps:
Step 401, serving BS determine to communicate with target BS, and the communication between serving BS and target BS is specifically as follows: serving BS needs to send information to target BS, or serving BS is determined to need to receive information from target BS.
Such as: according to the measurement report of the subscriber equipment under this serving BS, serving BS determines that certain customers' equipment under serving BS service is being subject to the interference from target BS on certain or some carrier waves, serving BS is determined to need to send interference coordination information to target BS according to the annoyance level that subscriber equipment is subject to, this interference coordination information can be the transmitting power that instruction target BS reduces carrier wave, or the information such as the instruction of the carrier wave used are changed in indicating target base station.
Subscriber equipment under step 402, serving BS is accepting the service from serving BS, accepting RF capabilities, carrier aggregation (the Carrier Aggregation of the subscriber equipment of serving, CA) etc. be called for short: ability information has been reported to serving BS, the subscriber equipment accepting to serve under serving BS also can answer the requirement of serving BS to ability information such as serving base stations report RF ability, carrier aggregation capacities, and serving BS can just obtain aforementioned capabilities information and be stored in serving BS after subscriber equipment enters connection mode.
Subscriber equipment under step 403, serving BS according to the Survey control of serving BS to the respective measurement report of serving base stations report; Wherein, with regard to allocating and measuring control and measurement report after subscriber equipment enters connection mode, and this measurement report can be reported serving BS, serving BS can upgrade the Survey control of subscriber equipment as required.
At least one in the RF ability of subscriber equipment that step 404, serving BS are accepting to serve according to current, CA ability, measurement report, positional information determines the subscriber equipment of forwarding information, and this subscriber equipment is relatively applicable to the information of sending/receiving target BS; Further, serving BS can select one or more for the subscriber equipment of forwarding information, with forwarding information between assistance services base station and target BS.
Step 405, for meet carry out communicating (sending/receiving information) by the subscriber equipment for forwarding information with target BS, serving BS to this subscriber equipment for forwarding information carry out necessity reshuffling, such as: the subscriber equipment for forwarding information only has a RF chain, space (GAP) is not measured in the configuration that the subscriber equipment for forwarding information is current, or it is smaller to measure space (GAP) duration, then serving BS can be the special space (GAP) of this user device configuration for forwarding information, or upgrading this measurement space (GAP) for the subscriber equipment of forwarding information is the longer time, this special space (GAP) can be provisional, when this subscriber equipment for forwarding information executes and the communicating of target BS, discharge this special space (GAP), or space (GAP) state returned to before reshuffling.
Again such as: if this subscriber equipment being used for forwarding information have two RF chains and current all use, then serving BS can utilize reconfiguration course to allow to get off this wherein RF chain free time for the subscriber equipment of forwarding information, if this is used for, the subscriber equipment of forwarding information is current has multiple carrier wave in use, serving BS can reduce this operating carriers for the subscriber equipment of forwarding information by reshuffling or deactivate signaling, thus makes this wherein RF chain for the subscriber equipment of forwarding information become idle or have less task.Thus necessary preparation can be done for this subscriber equipment for forwarding information with communicating of target BS; Further, if this configuration being used for the subscriber equipment of forwarding information current satisfies the demands, if or this subscriber equipment for forwarding information can realize on multiple carrier wave by adjustment RF chain while transmitting-receiving, do not use space (GAP) thus realize and the communicating of target BS, then this step 405 can be omitted and not perform.
Step 406, serving BS utilize eats dishes without rice or wine to send a request message to this subscriber equipment for forwarding information, this subscriber equipment for forwarding information is asked to communicate with target BS, such as: the information that this subscriber equipment being used for forwarding information sends information to target BS or receives from target BS; The information that necessary this subscriber equipment for forwarding information of needs sends to target BS can be comprised in this request message, also the information such as the lead code (Preamble) of random access procedure use can be comprised, the cell identifier of target BS, information such as access frequency etc. can also be comprised, identify Target cell and/or target BS to make this subscriber equipment for forwarding information and transmission needs the information of transmission.
By above-mentioned steps 401 ~ step 406, make this for the subscriber equipment of forwarding information to target BS initiating random access procedure, this transmission random access procedure specifically can comprise following process:
Step 407, this subscriber equipment being used for forwarding information perform the down-going synchronous to target BS, if this subscriber equipment being used for forwarding information is synchronous with target BS, then this step 407 can be omitted.
Step 408, this subscriber equipment being used for forwarding information receive necessary system message from target BS, obtain the random access resource (as Random Access Channel etc.) performed needed for random access procedure.
Step 409, this subscriber equipment being used for forwarding information perform the random access procedure to target BS.
In above-mentioned steps 407 ~ step 409, can according to the length of space (GAP), this subscriber equipment being used for forwarding information can complete above-mentioned steps 407 ~ step 409 in a space (GAP), this subscriber equipment being used for forwarding information also can in first space (GAP) completing steps 407 and step 408, at second space (GAP) completing steps 409, between two spaces (GAP), this is used for subscriber equipment needs maintenance of forwarding information and the synchronous of target BS.Above-mentioned steps 407 ~ step 409 also can perform by this subscriber equipment being used for forwarding information respectively in 3 spaces (GAP), now, what these subscriber equipment needs being used for forwarding information kept with target BS between 3 spaces (GAP) is synchronous.
Step 410, this subscriber equipment being used for forwarding information send acknowledge message to serving BS, to confirm that this subscriber equipment for forwarding information has completed the process of carrying out with serving BS communicating, such as: this subscriber equipment being used for forwarding information has completed and sent information to target BS or completed the process of information of receiving target base station.The information that target BS needs to send to serving BS can be carried in this acknowledge message.If this is used for the subscriber equipment of forwarding information, in executive communication process (information of transmission information or reception) there occurs failure, then these subscriber equipment needs being used for forwarding information send the acknowledge message of this random access procedure mistake of instruction to serving BS, clearly to indicate this random access procedure failure of serving BS.
Certainly, also step 410 can be performed after execution of step 406, that is, temporal strict demand is there is no between step 407 and step 410, now, transmission for confirming that the acknowledge message of acknowledge message or this random access procedure mistake of this instruction communicated with this target BS only represents whether this subscriber equipment for forwarding information possesses the primary condition performed to target BS Stochastic accessing.
Pass through said process, pass through said process, by sending the request message being used for carrying out with described target BS communicating to the subscriber equipment for forwarding information, to be used in the subscriber equipment of forwarding information to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Fig. 5 is the schematic flow sheet of another embodiment of inter base station communication implementation method of the present invention, and as shown in Figure 5, the embodiment of the present invention comprises the steps:
Step 501, receive from serving BS for the request message communicated between target BS;
Step 502, instruction according to this request message, to target BS initiating random access procedure, interim, random access procedure is used for realizing forwarding information between serving BS and target BS.
The inter base station communication implementation method that the embodiment of the present invention provides, by from serving BS for the request message communicated between target BS to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user's transmission information between base station by X2 interface, thus improve the reliability of information transmission between base station.
In one case, above-mentioned embodiment illustrated in fig. 5 in, can also comprise:
Subscriber equipment is reshuffled according to described serving BS, obtains the duration in the space for forwarding information that serving BS is determined; Then step 502 can specifically comprise:
To described target BS initiating random access procedure in described space.
Wherein, specifically can comprise to described target BS initiating random access procedure in described space: to described target BS initiating random access procedure at least two spaces, then also comprise: between described at least two spaces, keep synchronous with described target BS.
In another case, on above-mentioned basis embodiment illustrated in fig. 5, can also comprise:
Receive the control command of the media access control layer that serving BS sends, reshuffle or deexcitation partial carrier wave according to the instruction of described control command, using rf chain corresponding for described partial carrier wave as the rf chain being used for forwarding information; Then step 502 can specifically comprise: utilize the described rf chain for forwarding information to described target BS initiating random access procedure.
Fig. 6 is the structural representation of a base station equipment of the present invention embodiment, and as shown in Figure 6, the present embodiment comprises: determination module 61, sending module 62;
Wherein, determination module 61 determines the subscriber equipment of forwarding information from the subscriber equipment accepting to serve; Sending module 62 sends the request message being used for carrying out with described target BS communicating to the described subscriber equipment for forwarding information, to indicate the described subscriber equipment for forwarding information to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The base station equipment that the embodiment of the present invention provides, sent the request message being used for carrying out with target BS communicating to the subscriber equipment for forwarding information by sending module 62, to be used in the subscriber equipment of forwarding information to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Fig. 7 is the structural representation of another embodiment of base station equipment of the present invention, and as shown in Figure 7, the present embodiment comprises: determination module 71, reconfiguration module 72, sending module 73;
Wherein, determination module 71 determines the subscriber equipment of forwarding information from the subscriber equipment accepting to serve; Reconfiguration module 72 is reshuffled the described subscriber equipment for forwarding information, to determine the duration in the space of forwarding information, or described reconfiguration module 72 can be used for using the control command of media access control layer to reshuffle or described in deexcitation for the partial carrier wave of the subscriber equipment of forwarding information, can forwarding information be used to make the rf chain of subscriber equipment corresponding to described partial carrier wave; Sending module 73 sends the request message being used for carrying out with described target BS communicating to the described subscriber equipment for forwarding information, to indicate the described subscriber equipment for forwarding information to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The base station equipment that the embodiment of the present invention provides, sent the request message being used for carrying out with described target BS communicating to the subscriber equipment for forwarding information by sending module 73, to be used in the subscriber equipment of forwarding information to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Fig. 8 is the structural representation of subscriber equipment embodiment of the present invention, and as shown in Figure 8, the present embodiment comprises: receiver module 81, access module 82;
Wherein, receiver module 81 receive from serving BS for the request message communicated between target BS; Access module 82 is according to the instruction of described request message, and to described target BS initiating random access procedure, described random access procedure is used for realizing forwarding information between described serving BS and target BS.
The subscriber equipment that the embodiment of the present invention provides, by receiver module 81 receive from serving BS for the request message communicated between target BS, access module 82 is to target BS initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user's transmission information between base station by X2 interface, thus improve the reliability of information transmission between base station.
Further, above-mentioned embodiment illustrated in fig. 8 in, can also comprise: the first acquisition module, for reshuffling according to described serving BS, obtain the duration in the space for forwarding information that serving BS is determined; Then access module 82 can also comprise: the first access unit, in described space to described target BS initiating random access procedure; And/or,
Above-mentioned embodiment illustrated in fig. 8 in, can also comprise: the second acquisition module, for receiving the control command of the media access control layer that serving BS sends, reshuffle or deexcitation partial carrier wave according to the instruction of described control command, using rf chain corresponding for described partial carrier wave as the rf chain being used for forwarding information; Then access module 82 can also comprise: the second access unit, and the rf chain for forwarding information determined for utilizing described serving BS is to described target BS initiating random access procedure.
Fig. 9 is the structural representation that inter base station communication of the present invention realizes system embodiment, and as shown in Figure 9, the present embodiment comprises: serving BS 91, target BS 92;
Serving BS 91 for determining the subscriber equipment of forwarding information from the subscriber equipment accepting to serve, the request message being used for carrying out with target BS 92 communicating is sent to this subscriber equipment for forwarding information, to indicate this for the subscriber equipment of forwarding information to target BS 92 initiating random access procedure, wherein, random access procedure is used for realizing forwarding information between serving BS 91 and target BS 92.Further, serving BS 91 can be reshuffled this subscriber equipment for forwarding information, and enable subscriber equipment have rf chain resource or the space resource of forwarding information, detailed process can see embodiment before.Certainly, if subscriber equipment has recombine resource, as having idle rf chain or enough spaces, the reconfiguration course of serving BS 91 can perform.
The inter base station communication that the embodiment of the present invention provides realizes system, sent the request message being used for carrying out with target BS 92 communicating to the subscriber equipment for forwarding information by serving BS 91, to be used in the subscriber equipment of forwarding information to target BS 92 initiating random access procedure, X2 interface transmission information is used owing to this process avoids, therefore achieve when there is no X2 interface or X2 interface time delay is larger and can not realized by user device transmissions information between base station by X2 interface, thus improve the reliability of information transmission between base station.
It should be noted that, base station described in the embodiment of the present invention is a kind of access website in wide meaning, be specifically as follows the base station of other form in macro cell base station (macro eNB), microcell base station (Micro eNB), femtocell base station (pico eNB), Home eNodeB (HeNB), repeater (Relay), LTE/LTEA system, it can also be the base station of the various forms of non-LTE system, such as: WiMAX base station, WCDMA base station etc.; OTA message described in the embodiment of the present invention, Inter-Cell Interference Coordination (Inter-Cell Interference Coordination can be included but not limited to, be called for short: all message that ICIC) in information, handover request message (HO req), existing LTE system such as resource status report (resource status report), eNB configuration information etc., X2 interface agreement is corresponding can also be any message mutual between two base stations.
Random access procedure involved in the invention described above embodiment, not only can with the random access procedure in 3GPP LTE, also can be the random access procedure improved, also can be the random access procedure etc. of other system (such as: WCDMA, WiMAX system etc.); Further, the technical scheme described in the embodiment of the present invention can also be applied to the field that other (such as WCDMA etc.) use radio access technology.
Those skilled in the art can be well understood to, and for convenience and simplicity of description, the specific works process of the system of foregoing description, equipment, module and unit, with reference to the corresponding process in preceding method embodiment, can not repeat them here.
One of ordinary skill in the art will appreciate that: all or part of step realizing above-described embodiment can have been come by the hardware that program command is relevant, aforesaid program can be stored in a computer read/write memory medium, this program, when performing, performs the step comprising said method embodiment; And aforesaid storage medium comprises: ROM, RAM, magnetic disc or CD etc. various can be program code stored medium.
It is last it is noted that above embodiment is only in order to illustrate technical scheme of the present invention but not to be limited, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to technical scheme of the present invention or equivalent replacement, and these are revised or be equal to the spirit and scope that replacement also can not make amended technical scheme disengaging technical solution of the present invention.Those skilled in the art can understand, and above-described embodiment can be combined with each other when not clashing and obtain new embodiment.
Claims (9)
1. an inter base station communication implementation method, is characterized in that, comprising:
The subscriber equipment of retransmitted jamming harmony messages is determined from the subscriber equipment accepting to serve;
The request message being used for carrying out with target BS communicating is sent to the described subscriber equipment for retransmitted jamming harmony messages, to indicate the described subscriber equipment for retransmitted jamming harmony messages to described target BS initiating random access procedure, described random access procedure is used for realizing retransmitted jamming harmony messages between serving BS and target BS;
Described method also comprises:
The described subscriber equipment for retransmitted jamming harmony messages is reshuffled, to determine the duration in the space of retransmitted jamming harmony messages; Or,
Use the control command of media access control layer to reshuffle or described in deexcitation for the partial carrier wave of the subscriber equipment of retransmitted jamming harmony messages, retransmitted jamming harmony messages can be used to make the rf chain of subscriber equipment corresponding to described partial carrier wave.
2. method according to claim 1, is characterized in that, also comprises:
The measurement report that the subscriber equipment accepting described in reception to serve sends;
Determine that the subscriber equipment of retransmitted jamming harmony messages comprises the described subscriber equipment from accepting to serve:
Any one or multinomial in the RF capabilities of the signal quality information of the neighbor base stations comprised according to described measurement report, the positional information of described subscriber equipment, the carrier aggregation capacity of subscriber equipment or subscriber equipment, determines the subscriber equipment of retransmitted jamming harmony messages from the subscriber equipment accepting to serve.
3., based on an inter base station communication implementation method for subscriber equipment, it is characterized in that, comprising:
Receive from serving BS for the request message communicated between target BS;
According to the instruction of described request message, to described target BS initiating random access procedure, described random access procedure is used for realizing retransmitted jamming harmony messages between described serving BS and target BS;
Described method, also comprises: according to reshuffling of described serving BS, obtains the duration in the space for retransmitted jamming harmony messages that serving BS is determined;
Between at least two spaces, keep synchronous with described target BS;
Wherein, describedly to comprise to described target BS initiating random access procedure: to described target BS initiating random access procedure at least two spaces.
4. method according to claim 3, is characterized in that, also comprises:
From target BS receiving system message, to obtain the random access resource performed needed for described random access procedure.
5. an inter base station communication implementation method, is characterized in that, comprising:
Receive from serving BS for the request message communicated between target BS;
According to the instruction of described request message, to described target BS initiating random access procedure, described random access procedure is used for realizing retransmitted jamming harmony messages between described serving BS and target BS;
Described method, also comprise: the control command receiving the media access control layer that serving BS sends, reshuffle or deexcitation partial carrier wave according to the instruction of described control command, using rf chain corresponding for described partial carrier wave as the rf chain being used for retransmitted jamming harmony messages;
Describedly to comprise to described target BS initiating random access procedure: utilize the described rf chain for retransmitted jamming harmony messages to described target BS initiating random access procedure.
6. method according to claim 5, is characterized in that, also comprises:
From target BS receiving system message, to obtain the random access resource performed needed for described random access procedure.
7. a base station equipment, is characterized in that, comprising:
Determination module, for determining the subscriber equipment of retransmitted jamming harmony messages from the subscriber equipment accepting to serve;
Sending module, for sending the request message being used for carrying out with target BS communicating to the described subscriber equipment for retransmitted jamming harmony messages, to indicate the described subscriber equipment for retransmitted jamming harmony messages to described target BS initiating random access procedure, described random access procedure is used for realizing retransmitted jamming harmony messages between serving BS and target BS;
Reconfiguration module is used for reshuffling the described subscriber equipment for retransmitted jamming harmony messages, to determine the duration in the space of retransmitted jamming harmony messages; Or,
Described reconfiguration module, reshuffle for using the control command of media access control layer or described in deexcitation for the partial carrier wave of the subscriber equipment of retransmitted jamming harmony messages, retransmitted jamming harmony messages can be used to make the rf chain of subscriber equipment corresponding to described partial carrier wave.
8. a subscriber equipment, is characterized in that, comprising:
Receiver module, for receive from serving BS for the request message communicated between target BS;
Access module, for the instruction according to described request message, between at least two spaces, keep synchronous to described target BS initiating random access procedure with described target BS, described random access procedure is used for realizing retransmitted jamming harmony messages between described serving BS and target BS;
First acquisition module, for reshuffling according to described serving BS, obtains the duration in the space for retransmitted jamming harmony messages that serving BS is determined;
Wherein, described access module comprises: the first access unit, at least two spaces to described target BS initiating random access procedure.
9. a subscriber equipment, is characterized in that, comprising:
Receiver module, for receive from serving BS for the request message communicated between target BS;
Access module, for the instruction according to described request message, to described target BS initiating random access procedure, described random access procedure is used for realizing retransmitted jamming harmony messages between described serving BS and target BS;
Second acquisition module, for receiving the control command of the media access control layer that serving BS sends, reshuffle or deexcitation partial carrier wave according to the instruction of described control command, using rf chain corresponding for described partial carrier wave as the rf chain being used for retransmitted jamming harmony messages;
Described access module comprises: the second access unit, for utilizing the described rf chain for retransmitted jamming harmony messages to described target BS initiating random access procedure.
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| CN108541069B (en) * | 2012-02-17 | 2022-07-12 | 华为技术有限公司 | Method and device for configuring carrier |
| CN104471874B (en) * | 2013-06-29 | 2018-05-29 | 华为技术有限公司 | Data forwarding method, relay node equipment and network system |
| US20170280355A1 (en) * | 2014-09-11 | 2017-09-28 | Telefonaktiebolaget Lm Ericsson (Publ) | Delegate-Based Inter-Network Communication |
| CN109802781B (en) * | 2017-11-16 | 2023-01-06 | 夏普株式会社 | Method for handling carrier activation and apparatus therefor |
| CN110635879B (en) * | 2018-06-22 | 2021-02-23 | 维沃移动通信有限公司 | Control method of BWP deactivation timer and terminal equipment |
| CN115835397B (en) * | 2023-02-22 | 2023-05-16 | 广东移远通信技术有限公司 | Method and apparatus for wireless communication |
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