CN101827358B - LTE-A (Long Term Evolution A) system, routing method thereof, relay node and donor base station - Google Patents
LTE-A (Long Term Evolution A) system, routing method thereof, relay node and donor base station Download PDFInfo
- Publication number
- CN101827358B CN101827358B CN 201010138188 CN201010138188A CN101827358B CN 101827358 B CN101827358 B CN 101827358B CN 201010138188 CN201010138188 CN 201010138188 CN 201010138188 A CN201010138188 A CN 201010138188A CN 101827358 B CN101827358 B CN 101827358B
- Authority
- CN
- China
- Prior art keywords
- denb
- destination node
- target cell
- under
- signaling message
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000000034 method Methods 0.000 title claims abstract description 36
- 230000007774 longterm Effects 0.000 title claims abstract description 13
- JZEPSDIWGBJOEH-UHFFFAOYSA-N 4-decylbicyclo[2.2.1]hept-2-ene Chemical compound C1CC2C=CC1(CCCCCCCCCC)C2 JZEPSDIWGBJOEH-UHFFFAOYSA-N 0.000 claims abstract description 216
- 230000011664 signaling Effects 0.000 claims abstract description 118
- 238000012545 processing Methods 0.000 claims description 18
- 238000005259 measurement Methods 0.000 claims description 5
- 238000004321 preservation Methods 0.000 claims description 3
- 230000002708 enhancing effect Effects 0.000 claims description 2
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 9
- 238000005516 engineering process Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 238000004891 communication Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Images
Landscapes
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a routing method of an LTE-A (Long Term Evolution A) system. The method comprises the following steps of: sending a signaling message comprising a target node ID (Identity) to a first DeNB (Donor eNB) by a first RN (Relay Node), wherein the target node ID comprises a second DeNB ID of a target cell and a target cell number; sending the signaling message to the second DeNB by the first DeNB; analyzing and addressing by the second DeNB according to the target node ID; determining a second RN ID to which the target cell belongs; and sending the signaling message to a second RN. The invention also discloses an LTE-A system, the RNs and the DeNBs. By adopting the routing method, the LTE-A system, the RNs and the DeNBs, routing can be accurately completed in the LTE-A system.
Description
Technical field
The present invention relates to wireless communication technology, particularly relate to method for routing that a kind of Long Term Evolution strengthens (LTE-A) system, a kind of LTE-A system, via node (RN) and donor base station (DeNB).
Background technology
At present, in third generation partner program (3GPP), after Long Term Evolution (LTE) technology, continue the LTE scheme is strengthened, proposed Long Term Evolution enhancing (LTE-A) system.
Fig. 1 is LTE system configuration schematic diagram.As shown in Figure 1, in the LTE system, each base station (eNB) disposes the subscriber equipment (UE) of one or more residential quarters down, represents the residential quarter with Cell among Fig. 1, and for example Cell 1-1 represents a residential quarter under the base station eNB-1.ENB can directly link to each other with other eNB by X2 interface, also can link to each other with other eNB through Mobility Management Entity (MME) by the S1 interface.Figure 1 shows that eNB passes through the situation that X2 interface directly links to each other.Be that the signalling route process that example is presented in X2 interface and S1 interface: UE sends handover request (Handover Request) message with the cell switch process, the Target cell that indication need switch in the handover request message and the eNB under this Target cell, the eNB that receives handover request message carries out route according to the indication in the handover request message, handover request message is sent to eNB under the Target cell, carry out the residential quarter hand-off process by this eNB.
After the LTE system, 3GPP is, and LTE strengthens, and proposes the LTE-A system.Fig. 2 is LTE-A system configuration schematic diagram.As shown in Figure 2, compare with the LTE system, the LTE-A system has increased RN in the framework of Access Network, and this node can be regarded as the extension of eNB, for system provides more economical covering.RN is connected with eNB by wave points such as S1 interface and X1 interfaces, can strengthen covering quality at the edge that eNB covers, and also can dispose to expand the scope of covering outside the eNB overlay area.Referring to Fig. 2, in the LTE-A system, for providing the eNB of wireless access service, RN is called donor base station (DeNB, Donor eNB), be connected with X2 interface and S1 interface between RN and the DeNB, dispose one or more RN under each DeNB, dispose one or more UE under each RN.In the LTE-A system, the connection in the connection between the DeNB and the LTE system between the eNB is identical, and namely DeNB can directly link to each other with other DeNB by X2 interface, also can pass through MME by the S1 interface and link to each other with other DeNB.Figure 2 shows that DeNB passes through the situation that X2 interface directly links to each other.By LTE-A system configuration shown in Figure 2 as seen, owing to increased RN in the LTE-A system, if according to the method for routing in the present LTE system, then can't accurately indicate the RN in the route, therefore can't in the LTE-A system, carry out correct route.
Summary of the invention
The invention provides the method for routing of a kind of LTE-A system, adopt this method can be in system correctly finish route.
The present invention also provides a kind of LTE-A system, adopts this system can correctly finish route.
The present invention also provides a kind of DeNB, adopt this DeNB can be in the LTE-A system correctly finish route.
For achieving the above object, technical scheme of the present invention is achieved in that
The invention discloses the method for routing that a kind of Long Term Evolution strengthens the LTE-A system, comprising:
The one RN determines destination node, sends the signaling message that comprises destination node identify label ID to the first donor base station DeNB, comprises among this destination node ID: the 2nd DeNB ID under the Target cell and Target cell numbering;
The one DeNB sends to the 2nd DeNB with signaling message;
The 2nd DeNB resolves addressing according to destination node ID, determines the 2nd RN ID that Target cell is affiliated, and signaling message is sent to the 2nd RN.
A described DeNB sends to the 2nd DeNB with signaling message and comprises:
The one DeNB directly sends to signaling message the 2nd DeNB according to the 2nd DeNB ID among the destination node ID;
Perhaps,
The one DeNB sends to Mobility Management Entity MME with signaling message, the MME that MME sends to signaling message the 2nd DeNB or links to each other with the 2nd DeNB according to the 2nd DeNB ID among the destination node ID, the MME that links to each other with the 2nd DeNB sends to the 2nd DeNB with signaling message.
Also comprise among the described destination node ID: the 2nd RN coding; Then described the 2nd DeNB resolves addressing according to destination node ID, determines that the 2nd RN ID under the Target cell comprises: the 2nd DeNB determines to comprise among the 2nd RN ID the 2nd DeNB ID and the 2nd RN coding among the destination node ID;
Perhaps,
Described the 2nd DeNB resolves addressing according to destination node ID, determine that the 2nd RN ID under the Target cell comprises: the routing table of in each DeNB, preserving the corresponding relation of all residential quarter ID and RN ID under this DeNB of record in advance, the 2nd DeNB searches in the routing table of self according to destination node ID, determines that the 2nd RN ID is the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table.
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and the 2nd RN code length is 5 bits, and Target cell numbering length is 3 bits;
Perhaps,
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and Target cell numbering length is 8 bits.
The invention also discloses a kind of Long Term Evolution and strengthen the LTE-A system, comprise: one or more user equipment (UE)s, via node RN and one or more donor base station DeNB, wherein, dispose one or more RN under each DeNB, dispose one or more UE under each RN;
Described RN is used for determining destination node, sends signaling message to described DeNB, reception is from the signaling message of described DeNB, wherein, comprise destination node identify label ID in the described signaling message, comprise among this destination node ID: the DeNB ID under the Target cell and Target cell numbering;
Described DeNB, be used for receiving the signaling message from described RN, and this signaling message sent to DeNB under the Target cell, reception is from the signaling message of other DeNB, ID resolves addressing according to destination node, determine the RN ID under the Target cell, signaling message is sent to RN under the Target cell.
Further comprise among the destination node ID of the signaling message that described RN sends: the RN coding under the Target cell; Then described DeNB determines that the RN ID under the Target cell comprises that affiliated DeNB ID and the RN under the Target cell of Target cell among the destination node ID encodes;
Perhaps,
Preserve the routing table of the corresponding relation of all residential quarter ID and RN ID under this DeNB of record among the described DeNB in advance, then described DeNB searches in the routing table of self according to destination node ID, determines that the RN ID under the Target cell is the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table.
The invention also discloses a kind of via node RN, be used for Long Term Evolution and strengthen the LTE-A system, comprising: Transmit-Receive Unit, destination node determining unit and message generation unit;
Described Transmit-Receive Unit be used for to receive from the information of user equipment (UE) and sends to described destination node determining unit, receives from the signaling message of message generation unit and sends to the first donor base station DeNB;
Described destination node determining unit, be used for receiving the information from the UE of Transmit-Receive Unit, information according to UE is determined destination node, and destination node identify label ID sent to message generation unit, wherein, comprise among the described destination node ID: the 2nd DeNB ID under the Target cell and Target cell numbering;
Described message generation unit is used for receiving the destination node ID from described destination node determining unit, generates to comprise the signaling message of destination node ID and send to Transmit-Receive Unit.
Also comprise among the destination node ID that described destination node determining unit is determined: the RN coding under the Target cell.
The invention also discloses a kind of donor base station DeNB, be used for Long Term Evolution and strengthen the LTE-A system, comprising: Transmit-Receive Unit and processing unit;
Described Transmit-Receive Unit, be used for reception from the signaling message of via node RN and/or other DeNB and send to processing unit, according to the indication of processing unit signaling message is sent to DeNB or RN under the Target cell, described signaling message comprises destination node identify label ID, comprises among the described destination node ID: the DeNB ID under the Target cell and Target cell numbering;
Processing unit, be used for receiving the signaling message from Transmit-Receive Unit, determine DeNB under the Target cell according to destination node ID, be the signaling message of this DeNB for the DeNB under the Target cell, ID resolves addressing according to destination node, determine the RN ID under the Target cell, the indication Transmit-Receive Unit sends to DeNB or RN under the Target cell with signaling message.
Further comprise among the destination node ID of the signaling message that described Transmit-Receive Unit receives: the RN coding under the Target cell; Then described processing unit determines that the RNID under the Target cell comprises that affiliated DeNB ID and the RN under the Target cell of Target cell among the destination node ID encodes;
Perhaps,
Described DeNB further comprises memory cell, routing table for the corresponding relation of all residential quarter ID and RN ID under this DeNB of preservation record, then described processing unit is searched in the routing table of self according to destination node ID, determines that the RN ID under the Target cell is the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table.
According to above summary of the invention as seen, because a RN comprises destination node ID in the signaling message of DeNB transmission, the one DeNB can send to the 2nd DeNB with signaling message according to this destination node ID, and the 2nd DeNB can resolve addressing according to destination node ID, determine the 2nd RN ID that Target cell is affiliated, signaling message is sent to the 2nd RN, therefore can finish the route in the LET-A system accurately.
Description of drawings
Fig. 1 is the prior LTE system structural representation;
Fig. 2 is existing LTE-A system configuration schematic diagram;
Fig. 3 is LTE-A system method for routing flow chart in the embodiment of the invention;
Fig. 4 is residential quarter ID coding structure schematic diagram in the present invention's first preferred embodiment;
Fig. 5 is route schematic diagram in the present invention's first preferred embodiment;
Fig. 6 is route schematic diagram in the present invention's second preferred embodiment;
Fig. 7 is the structural representation of LTE-A system in the embodiment of the invention;
Fig. 8 is the structural representation of RN in the embodiment of the invention;
Fig. 9 is the structural representation of DeNB in the embodiment of the invention.
Embodiment
In order to make the purpose, technical solutions and advantages of the present invention clearer, describe the present invention below in conjunction with the drawings and specific embodiments.
Basic thought of the present invention is, in the LTE-A system, RN determines the Target cell of route, transmission comprises the signaling message of destination node identify label (ID), at first with the up DeNB that sends under the Target cell of signaling message, resolve addressing by this DeNB according to destination node ID, determine the RN ID that Target cell is affiliated, signaling message is sent to this RN.
Below enumerating a specific embodiment, method for routing of the present invention is described, in the present embodiment, still is example with the cell switch process, after UE initiates to switch, adopts method for routing of the present invention to carry out route.Fig. 3 is LTE-A system method for routing flow chart in the embodiment of the invention.Be example with LTE-A system shown in Figure 2 still, the preferred embodiment of method for routing of the present invention is illustrated.RN under the UE of initiation handover request is called a RN, the DeNB under the RN is called a DeNB, the RN under the Target cell that will switch to is called the 2nd RN, and the DeNB under the 2nd RN is called the 2nd DeNB.As shown in Figure 3, the switching of the residential quarter of LTE-A system applies method for routing of the present invention may further comprise the steps:
Step 301:UE initiates signaling procedure to a RN.
In the present embodiment, the employing cell switch process is example, and then in step 301, this signaling procedure is handoff procedure, initiates to switch and send measurement report by UE to a RN.After step 301, adopt method for routing of the present invention to carry out route, to finish the residential quarter and switch, detailed process is as follows:
Step 302: a RN determines destination node, sends the signaling message that comprises destination node ID to the first donor base station DeNB, comprises among this destination node ID: the 2nd DeNB ID under the Target cell and Target cell numbering.
Step 303: a DeNB sends to the 2nd DeNB with signaling message.
In step 303, according to concrete signaling interface type, a DeNB comprises dual mode with the detailed process that signaling message sends to the 2nd DeNB.
First kind of mode is applicable to the situation that a DeNB and the 2nd DeNB directly link to each other by X2 interface, for X2 interface, the one DeNB sends to the 2nd DeNB with signaling message and comprises: a DeNB directly sends to signaling message the 2nd DeNB according to the 2nd DeNB ID among the destination node ID, that is: after a DeNB receives signaling message from a RN, from this signaling message, obtain destination node ID, because comprise the 2nd DeNB ID among the destination node ID, therefore a DeNB obtains the 2nd DeNB ID according to the destination node ID in the signaling message, according to the 2nd DeNB ID signaling message is sent to the 2nd DeNB.
The second way is applicable to the situation that a DeNB and the 2nd DeNB link to each other through MME by the S1 interface, for the S1 interface, the one DeNB sends to the 2nd DeNB with signaling message and comprises: a DeNB sends to MME with signaling message, MME sends to the 2nd DeNB according to the 2nd DeNB ID among the destination node ID with signaling message, that is: after a DeNB receives signaling message from a RN, signaling message is sent to MME, from this signaling message, obtain destination node ID by MME, and then from destination node ID, obtain the 2nd DeNB ID, according to the 2nd DeNB ID signaling message is sent to the 2nd DeNB.
Step 304: the 2nd DeNB resolves addressing according to destination node ID, determines the 2nd RN ID that Target cell is affiliated, and signaling message is sent to the 2nd RN.
In step 304, the 2nd DeNB can adopt two kinds of concrete execution modes to determine the 2nd RN ID.Below these two kinds of concrete execution modes are briefly introduced.
Determine not only to comprise among the destination node ID in the step 302 in the signaling message in first kind of embodiment of the 2nd RN ID at the 2nd DeNB: the 2nd DeNB ID under the Target cell and Target cell numbering further comprise the 2nd RN coding.In step 304, the 2nd DeNB is defined as the 2nd RN ID with the 2nd DeNB ID among the destination node ID and the 2nd RN coding.
For prior LTE system, residential quarter ID adopts the character string that length is 28 bits.Adopt first kind of execution mode of the present invention, it is the character string of 28 bits that residential quarter ID still adopts length, just need improve existing residential quarter ID coding structure.Fig. 4 is residential quarter ID coding structure schematic diagram in the present invention's first preferred embodiment.As shown in Figure 4, the residential quarter ID of the present invention's first preferred embodiment is made up of 3 parts, is respectively: the RN coding of the DeNBID of 20 bits, 5 bits and the cell number of 3 bits.Wherein, the DeNB ID among each residential quarter ID and RN coding corresponds respectively to this residential quarter affiliated DeNB and RN.Accordingly, in the present embodiment, RN ID is made up of 2 parts, is respectively: the DeNB ID of 20 bits and the RN of 5 bits coding.Wherein, the DeNB ID among each RN ID is corresponding to the DeNB under this RN.In signaling message, the ID of the Target cell that employing need switch to is as the destination node ID of signaling, and therefore, the DeNB ID among the destination node ID is the 2nd DeNBID, RN among the destination node ID is encoded to the 2nd RN coding, and the cell number among the destination node ID is the Target cell numbering.Adopt residential quarter ID coding structure shown in Figure 4, each DeNB can control 32 RN at most, and each RN can control 8 residential quarters at most, make increase RN in the system after, not only can the expansion system cover, but also can guarantee power system capacity.
Below the route that adopts first kind of execution mode of the present invention is carried out brief description.Be example with LTE-A system shown in Figure 2 still, comprise DeNB-1 and DeNB-2 in the system, dispose RN-1 and RN-2 under the DeNB-1, dispose RN-3 and RN-4 under the DeNB-2, dispose 2 residential quarters under each RN, for example dispose residential quarter 1-1 and residential quarter 1-2 under the RN-1, represent the residential quarter with Cell, that is: residential quarter 1-1 is expressed as Cell 1-1, and the title of other residential quarter by that analogy.Fig. 5 is route schematic diagram in the present invention's first preferred embodiment.Referring to Fig. 5, to initiate to switch with the UE among the residential quarter 1-1 under the RN-1, Target cell is that residential quarter 4-2 is example.After RN-1 receives measurement report from UE, send signaling message to DeNB-1, wherein, comprise destination node ID in this signaling message, this destination node ID is the ID of residential quarter 4-2, specifically comprises: DeNB-2ID, RN-4 coding and residential quarter 4-2 numbering.Because comprise DeNB-2ID among the ID of residential quarter 4-2, after then DeNB-1 receives signaling message, according to the ID of residential quarter 4-2 this signaling message is sent to DeNB-2.Because also comprise RN-4 coding among the ID of residential quarter 4-2, after then DeNB-2 receives signaling message, according to the ID of residential quarter 4-2 this signaling message is sent to RN-4.
Determine in second kind of embodiment of the 2nd RN ID at the 2nd DeNB, preserve the routing table of the corresponding relation of all residential quarter ID and RN ID under this DeNB of record in advance among each DeNB in the LTE-A system, then in step 304, the 2nd DeNB searches in the routing table of self according to destination node ID, and the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table is defined as the 2nd RN ID.
Adopt second kind of execution mode of the present invention, it is the character string of 28 bits that residential quarter ID still adopts length, specifically is made up of 2 parts, is respectively: the DeNB ID of 20 bits and the cell number of 8 bits.Wherein, the DeNB ID among each residential quarter ID is corresponding to the DeNB under this residential quarter, and the method for cell number is all the residential quarter number consecutivelies to disposing under the DeNB.
Below the route that adopts second kind of execution mode of the present invention is carried out brief description.Be example with LTE-A system shown in Figure 2 still.Fig. 6 is route schematic diagram in the present invention's second preferred embodiment.Referring to Fig. 6, still to initiate to switch with the UE among the residential quarter 1-1 under the RN-1, Target cell is that residential quarter 4-2 is example.Preserve a routing table in DeNB-1 and DeNB-2 respectively, this routing table is for the corresponding relation of all residential quarter ID and RN ID under this DeNB of record.After RN-1 receives measurement report from UE, send signaling message to DeNB-1, wherein, comprise destination node ID in this signaling message, this destination node ID is the ID of residential quarter 4-2, specifically comprises: DeNB-2ID and residential quarter 4-2 numbering.Because comprise DeNB-2ID among the ID of residential quarter 4-2, after then DeNB-1 receives signaling message, according to the ID of residential quarter 4-2 this signaling message is sent to DeNB-2.DeNB-2 searches the routing table of self preserving according to the ID of the residential quarter 4-2 in the signaling message, is RN-4 by searching the RN that routing table obtains residential quarter 4-2 correspondence, after then DeNB-2 receives signaling message, according to the ID of residential quarter 4-2 this signaling message is sent to RN-4.
From step 302 to step 304, namely finished route.When step 302 to the method for routing of step 304 was applied to cell switch process, above-mentioned signaling message was handover request message.
Step 305: the 2nd RN carries out the residential quarter hand-off process according to the numbering of the Target cell among the destination node ID.
In step 305, after the 2nd RN receives handover request message from the 2nd DeNB, from this handover request message, obtain destination node ID, because comprise the Target cell numbering among the destination node ID, therefore the 2nd RN obtains the Target cell numbering according to the destination node ID in the handover request message, carries out the residential quarter hand-off process according to this Target cell numbering.
More than by preferred embodiment LTE-A of the present invention system method for routing is illustrated, below the LTE-A system that adopts this method and the RN in the system and DeNB are carried out brief description.
Fig. 7 is the structural representation of LTE-A system in the embodiment of the invention.As shown in Figure 7, comprise in this LTE-A system: one or more user equipment (UE)s 701, via node RN702 and one or more donor base station DeNB 703.Wherein, each DeNB disposes one or more RN 702 for 703 times, and each RN disposes one or more UE 701 for 702 times.
The information that RN 702 receives from UE 701 is determined destination node, sends signaling message to DeNB 703, receives the signaling message from DeNB 703.Comprise destination node ID in this signaling message.Comprise among this destination node ID: the DeNB 703ID under the Target cell and Target cell numbering.Perhaps, further comprise among this destination node ID: RN 702 codings under the Target cell.
The signaling message that DeNB 703 receives from RN 702, and this signaling message sent to DeNB 703 under the Target cell, reception is from the signaling message of other DeNB 703, ID resolves addressing according to destination node, determine the RN 702ID under the Target cell, signaling message is sent to RN 702 under the Target cell.Wherein, for comprising DeNB 703ID under the Target cell, RN 702 codings under the Target cell and the situation of Target cell numbering among the destination node ID, DeNB 703 determines that the RN 702ID under the Target cells comprises DeNB 703ID and 702 codings of the RN under the Target cell under the Target cell among the destination node ID.For including only DeNB703ID under the Target cell and the situation of Target cell numbering among the destination node ID, preserve the routing table of the corresponding relation of all residential quarter ID and RN 702ID under this DeNB703 of record among the DeNB 703 in advance, search in the routing table of self according to destination node ID, determine that the RN 702ID under the Target cell is the corresponding RN 702ID of residential quarter ID identical with this destination node ID in the routing table.
Fig. 8 is the structural representation of RN in the embodiment of the invention.As shown in Figure 8, the internal structure of RN comprises: Transmit-Receive Unit 801, destination node determining unit 802 and message generation unit 803.
Transmit-Receive Unit 801 receives from the information of user equipment (UE) and sends to destination node determining unit 802, receives from the signaling message of message generation unit 803 and sends to a DeNB.
The information that destination node determining unit 802 receives from the UE of Transmit-Receive Unit 801 is determined destination node according to the information of UE, and destination node ID is sent to message generation unit 803.Wherein, comprise among the described destination node ID: the 2nd DeNB ID under the Target cell and Target cell numbering; Perhaps, comprise among the described destination node ID: the 2nd DeNB ID under the Target cell, the coding of the RN under the Target cell and Target cell numbering.
The destination node ID that message generation unit 803 receives from described destination node determining unit 802, generation comprises the signaling message of destination node ID and sends to Transmit-Receive Unit 801.
Fig. 9 is the structural representation of DeNB in the embodiment of the invention.As shown in Figure 9, this DeNB comprises at least: Transmit-Receive Unit 901 and processing unit 902.
Transmit-Receive Unit 901 receives from the signaling message of via node RN and/or other DeNB and sends to processing unit 902, that is: at synchronization, Transmit-Receive Unit can receive the signaling message from RN and other DeNB both sides simultaneously, also can receive only the signaling message from RN or other DeNB one side; Transmit-Receive Unit sends to DeNB or RN under the Target cell according to the indication of processing unit 902 with signaling message, and this signaling message comprises destination node ID.Comprise among this destination node ID: the DeNB ID under the Target cell and Target cell numbering; Perhaps, on the basis that comprises DeNB ID under the Target cell and Target cell numbering, further comprise the RN coding under the Target cell among this destination node ID.
Wherein, for comprising DeNB ID under the Target cell, RN coding under the Target cell and the situation of Target cell numbering among the destination node ID, processing unit 902 determines that the RN ID under the Target cells comprises DeNB ID and the coding of the RN under the Target cell under the Target cell among the destination node ID.
For including only DeNB ID under the Target cell and the situation of Target cell numbering among the destination node ID, further comprise memory cell 903 among the DeNB, routing table for the corresponding relation of all residential quarter ID and RN ID under this DeNB of preservation record, processing unit 902 is searched in the routing table of memory cell 903 according to destination node ID, determines that the RN ID under the Target cell is the corresponding RNID of residential quarter ID identical with this destination node ID in the routing table.
By above embodiment as seen, in the LTE-A of the present invention system, because determine the Target cell that switches and generate signaling message by RN, destination node ID is carried in the signaling message, at least comprise DeNB ID and cell number that Target cell is affiliated among this destination node ID, behind the DeNB under signaling message sends to Target cell, this DeNB can resolve addressing according to destination node ID, determine the RN ID that Target cell is affiliated, signaling message is sent to this RN, thereby can finish route accurately.
And, in the invention described above embodiment, DeNB under the Target cell can resolve addressing according to destination node ID by two kinds of concrete modes, determine the RN ID that Target cell is affiliated, application mode is flexible, can under the prerequisite that guarantees power system capacity, enlarge system's covering, finish route exactly.
The above only is preferred embodiment of the present invention, and is in order to limit the present invention, within the spirit and principles in the present invention not all, any modification of making, is equal to replacement, improvement etc., all should be included within the scope of protection of the invention.
Claims (5)
1. the method for routing of a Long Term Evolution enhancing LTE-A system is characterized in that, comprising:
User equipment (UE) initiates to switch and send the information of carrying measurement report to a RN,
The one RN receives the information that UE sends, determine destination node according to the information that UE sends, send the signaling message that comprises destination node identify label ID to the first donor base station DeNB, comprise among this destination node ID: the 2nd DeNB ID under the Target cell and Target cell numbering;
The one DeNB sends to the 2nd DeNB with signaling message;
The 2nd DeNB resolves addressing according to destination node ID, determines the 2nd RN ID that Target cell is affiliated, and signaling message is sent to the 2nd RN;
Wherein,
Also comprise among the described destination node ID: the 2nd RN coding; Then described the 2nd DeNB resolves addressing according to destination node ID, determines that the 2nd RN ID under the Target cell comprises: the 2nd DeNB determines to comprise among the 2nd RN ID the 2nd DeNB ID and the 2nd RN coding among the destination node ID;
Perhaps,
Described the 2nd DeNB resolves addressing according to destination node ID, determine that the 2nd RN ID under the Target cell comprises: the routing table of in each DeNB, preserving the corresponding relation of all residential quarter ID and RN ID under this DeNB of record in advance, the 2nd DeNB searches in the routing table of self according to destination node ID, determines that the 2nd RN ID is the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table;
Wherein, described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNB ID length is 20 bits, and the 2nd RN code length is 5 bits, and Target cell numbering length is 3 bits;
Perhaps,
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and Target cell numbering length is 8 bits.
2. method for routing according to claim 1 is characterized in that, a described DeNB sends to the 2nd DeNB with signaling message and comprises:
The one DeNB directly sends to signaling message the 2nd DeNB according to the 2nd DeNB ID among the destination node ID;
Perhaps,
The one DeNB sends to Mobility Management Entity MME with signaling message, the MME that MME sends to signaling message the 2nd DeNB or links to each other with the 2nd DeNB according to the 2nd DeNB ID among the destination node ID, the MME that links to each other with the 2nd DeNB sends to the 2nd DeNB with signaling message.
3. a Long Term Evolution strengthens the LTE-A system, it is characterized in that, comprising: one or more user equipment (UE)s, via node RN and one or more donor base station DeNB, wherein, dispose one or more RN under each DeNB, dispose one or more UE under each RN;
Described UE is used for initiating to switch and send the information of carrying measurement report to a RN;
Described RN, be used for receiving the information that UE sends, determine destination node according to the information that UE sends, send signaling message to described DeNB, reception is from the signaling message of described DeNB, wherein, comprise destination node identify label ID in the described signaling message, comprise among this destination node ID: the DeNB ID under the Target cell and Target cell numbering;
Described DeNB, be used for receiving the signaling message from described RN, and this signaling message sent to DeNB under the Target cell, reception is from the signaling message of other DeNB, ID resolves addressing according to destination node, determine the RN ID under the Target cell, signaling message is sent to RN under the Target cell;
Wherein,
Further comprise among the destination node ID of the signaling message that described RN sends: the RN coding under the Target cell; Then described DeNB determines that the RN ID under the Target cell comprises that affiliated DeNB ID and the RN under the Target cell of Target cell among the destination node ID encodes;
Perhaps,
Preserve the routing table of the corresponding relation of all residential quarter ID and RN ID under this DeNB of record among the described DeNB in advance, then described DeNB searches in the routing table of self according to destination node ID, determines that the RN ID under the Target cell is the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table;
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and the 2nd RN code length is 5 bits, and Target cell numbering length is 3 bits;
Perhaps,
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and Target cell numbering length is 8 bits.
4. a via node RN is used for Long Term Evolution and strengthens the LTE-A system, it is characterized in that, comprising: Transmit-Receive Unit, destination node determining unit and message generation unit;
Described Transmit-Receive Unit be used for to receive from the information of user equipment (UE) and sends to described destination node determining unit, receives from the signaling message of message generation unit and sends to the first donor base station DeNB;
Described destination node determining unit, be used for receiving the information from the UE of Transmit-Receive Unit, information according to UE is determined destination node, and destination node identify label ID sent to message generation unit, wherein, comprise among the described destination node ID: the 2nd DeNB ID under the Target cell and Target cell numbering;
Described message generation unit is used for receiving the destination node ID from described destination node determining unit, generates to comprise the signaling message of destination node ID and send to Transmit-Receive Unit;
Wherein,
Also comprise among the destination node ID that described destination node determining unit is determined: the RN coding under the Target cell;
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and the 2nd RN code length is 5 bits, and Target cell numbering length is 3 bits;
Perhaps,
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and Target cell numbering length is 8 bits.
5. a donor base station DeNB is used for Long Term Evolution and strengthens the LTE-A system, it is characterized in that, comprising: Transmit-Receive Unit and processing unit;
Described Transmit-Receive Unit, be used for reception from the signaling message of via node RN and/or other DeNB and send to processing unit, according to the indication of processing unit signaling message is sent to DeNB or RN under the Target cell, described signaling message comprises destination node identify label ID, comprises among the described destination node ID: the DeNB ID under the Target cell and Target cell numbering;
Processing unit, be used for receiving the signaling message from Transmit-Receive Unit, determine DeNB under the Target cell according to destination node ID, be the signaling message of this DeNB for the DeNB under the Target cell, ID resolves addressing according to destination node, determine the RN ID under the Target cell, the indication Transmit-Receive Unit sends to DeNB or RN under the Target cell with signaling message;
Wherein,
Further comprise among the destination node ID of the signaling message that described Transmit-Receive Unit receives: the RN coding under the Target cell; Then described processing unit determines that the RNID under the Target cell comprises that affiliated DeNB ID and the RN under the Target cell of Target cell among the destination node ID encodes;
Perhaps,
Described DeNB further comprises memory cell, routing table for the corresponding relation of all residential quarter ID and RN ID under this DeNB of preservation record, then described processing unit is searched in the routing table of self according to destination node ID, determines that the RN ID under the Target cell is the corresponding RN ID of residential quarter ID identical with this destination node ID in the routing table;
Wherein,
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and the 2nd RN code length is 5 bits, and Target cell numbering length is 3 bits;
Perhaps,
Described destination node ID is that length is the character string of 28 bits, and wherein, the 2nd DeNBID length is 20 bits, and Target cell numbering length is 8 bits.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138188 CN101827358B (en) | 2010-04-02 | 2010-04-02 | LTE-A (Long Term Evolution A) system, routing method thereof, relay node and donor base station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010138188 CN101827358B (en) | 2010-04-02 | 2010-04-02 | LTE-A (Long Term Evolution A) system, routing method thereof, relay node and donor base station |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101827358A CN101827358A (en) | 2010-09-08 |
| CN101827358B true CN101827358B (en) | 2013-09-18 |
Family
ID=42691011
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201010138188 Expired - Fee Related CN101827358B (en) | 2010-04-02 | 2010-04-02 | LTE-A (Long Term Evolution A) system, routing method thereof, relay node and donor base station |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101827358B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102448131B (en) * | 2010-09-30 | 2015-04-29 | 华为技术有限公司 | Message processing method, device and system thereof |
| CN102098723B (en) * | 2011-02-12 | 2014-01-29 | 大唐移动通信设备有限公司 | Method and device for allocating donor base station or donor cell for mobile relay node |
| WO2012140999A1 (en) * | 2011-04-13 | 2012-10-18 | Nec Corporation | Mobile communication system, relay station, base station, and control method thereof |
| EP3818774A4 (en) * | 2018-07-05 | 2022-03-16 | Lenovo (Beijing) Limited | Method and apparatus for backhaul link switching |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175304A (en) * | 2006-11-02 | 2008-05-07 | 华为技术有限公司 | Switching method based on relay system |
| CN101384068A (en) * | 2007-09-07 | 2009-03-11 | 华为技术有限公司 | Mobile station switching parameter negotiation method and device |
-
2010
- 2010-04-02 CN CN 201010138188 patent/CN101827358B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101175304A (en) * | 2006-11-02 | 2008-05-07 | 华为技术有限公司 | Switching method based on relay system |
| CN101384068A (en) * | 2007-09-07 | 2009-03-11 | 华为技术有限公司 | Mobile station switching parameter negotiation method and device |
Non-Patent Citations (1)
| Title |
|---|
| 焦慧颖.LTE-Advanced 关键技术及标准化进展.《电信网技术》.2009,(第12期), * |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101827358A (en) | 2010-09-08 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2255563B1 (en) | Method and communication network node in a communication network system | |
| US9049627B2 (en) | Handover and neighbor management for mobile relay nodes | |
| CN103139854B (en) | Changing method, communicator and communication system | |
| CN101867985B (en) | Switching method, relay node and donor base station in long-term evolution enhancement system | |
| CN102474766B (en) | Apparatus and method to perform fast neighbor list search during a transfer to a different rat target system | |
| KR101352562B1 (en) | Mobile communication method and radio base station | |
| US20150312832A1 (en) | Method for Relocating Gateway, Mobile Management Entity and Host Base Station | |
| JP2011517512A (en) | Inter-network handover system and handover method | |
| WO2014198465A1 (en) | Public land mobile network resolution in a shared network and a dedicated network | |
| CN101867984A (en) | Switching method, donor base station and relay node in long-term evolution enhancement system | |
| US20170280443A1 (en) | Method and Device for Implementing Multi-Cell Service on Base Station Device | |
| CN101827358B (en) | LTE-A (Long Term Evolution A) system, routing method thereof, relay node and donor base station | |
| CN101325806B (en) | Method of optimizing switching between systems | |
| CN102076037B (en) | Method and device for transmitting switching information | |
| CN101400095B (en) | Target cell determining method, user equipment, base station and system in switching process | |
| CN102378360B (en) | Method, system and device for transmitting X2 transport address and establishing X2 interface | |
| CN101621838B (en) | Methods and devices for processing handover of network side | |
| CN102769877A (en) | Cell switching method and base station | |
| US20130143582A1 (en) | Transmitting radio configuration parameters from a base station to a relay node | |
| JP2014521270A (en) | Handover method and equipment | |
| CN107864496B (en) | Method for recording backfill user identification by SRVCC/eSRVCC A interface | |
| CN104519564A (en) | A method for interacting with x2 gateway, base station, and x2 gateway | |
| CN102802216A (en) | Cell configuration information acquiring method and device | |
| CN102655662A (en) | Processing method and processing device for switching cells | |
| CN102917422A (en) | Switching method for switching to home base station and base station |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170830 Address after: 100070, No. 188, building 25, No. eighteen, South Fourth Ring Road, Fengtai District, Beijing, 1, 101 Patentee after: Beijing Haiyun Technology Co.,Ltd. Address before: 510663, No. 3, color road, Science City, Guangzhou Development Zone, Guangdong Patentee before: NEW POSTCOM EQUIPMENT Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130918 |