CN101841934A - Method and device for transmitting information by using relay node - Google Patents
Method and device for transmitting information by using relay node Download PDFInfo
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- CN101841934A CN101841934A CN200910080282A CN200910080282A CN101841934A CN 101841934 A CN101841934 A CN 101841934A CN 200910080282 A CN200910080282 A CN 200910080282A CN 200910080282 A CN200910080282 A CN 200910080282A CN 101841934 A CN101841934 A CN 101841934A
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Abstract
The invention provides a method for transmitting information by using a relay node, which comprises the following steps of: establishing a special passage for transmitting operation administration and maintenance (OAM) information between the relay node and a donor base station; and transmitting the OAM information on the special passage through the donor base station and an OAM node by using the relay node. The invention also provides a relay node device. In the technical scheme of the invention, a plurality of implementation schemes are provided for an OAM transmitting system between an RN node and the OAM node and can be realized by adding a small quantity of signaling messages on a conventional system, so the method has the advantages of simple implementation, high efficiency and contribution to improving system performance.
Description
Technical field
The present invention relates to moving communicating field, particularly, the present invention relates to the method and apparatus that a kind of via node transmits information.
Background technology
Move the developing direction that becomes modern communication technology with the broadband, 3GPP (3rd Generation Partnership Project, third generation partner program) is devoted to LTE (Long Term Evolution, Long Term Evolution) system, as the evolution of 3G system, target is that development 3GPP wireless access technology is towards high data rate, the low delay and the evolution of optimization packet data application direction.In the mobile communication system in future, for example among back three generations (B3G:Beyond three Generation) or the LTE-A, system will provide higher peak data rate and cell data throughput, so system also needs wideer transmission bandwidth.At present the following unappropriated radio frequency resources of 2GHz seldom, the part or all of bandwidth that the B3G system needs can only for example be sought on the frequency more than the 3GHz on higher frequency range.Frequency range is high more, and it is fast more that radio wave propagation is decayed, and transmission range is short more, therefore under the condition of same overlay area, guarantee continuous covering, needs more base station.Because the base station is the higher cost of cost usually, this can increase the cost of arranging net of communication system undoubtedly.In order to reduce the cost of arranging net, each manufacturer and standardization body begin one's study via node RN (Relay Node) are incorporated in the cellular system, wish that the signal of energy expanding system covers and increase the capacity of system.Because via node only realizes simple data processing function usually, so the cost cost is lower than the base station, reasonably uses RN to arrange net, and can reach the purpose that reduces the cost of arranging net.
As shown in Figure 1, be the schematic diagram of the SNA that comprises RN.Among the figure, eNB represents donor base station (Donor eNB), and RN represents wireless relay nodes.Wherein, S1 represents the communication link between eNB and the gateway, and X2 represents the communication link between the eNB, and Y3 represents the communication link between eNB and the RN.In the LTE-A system be at present about the present situation that RN is applied in the network:
RN is linked into core net by eNB, does not have direct wave point between RN and the core net;
Each RN can control one or more sub-districts, and all there are independently PCI, synchronizing channel, reference signal in each sub-district;
Subscriber equipment under the LTE Release 8 (version 8) can be worked under RN, and for this subscriber equipment, RN is similar to the eNB of a Release 8.
The function of RN and common eNB are similar, so after RN start just or just having restarted,, also need as eNB, to carry out alternately with OAM (Operation Administration Maintenance, operation management maintain) node, obtain the configuration information of necessity.In the LTE standard, realized the self-configuring (Self Organization) of eNB, just when eNB starts, can be automatically and the OAM node carry out obtaining necessary configuration information alternately.
Yet, at present RN can only and donor base station between directly communicate, therefore be necessary to propose a kind of technical scheme, solve problem how between donor base station and RN, to transmit OAM information.
Summary of the invention
Purpose of the present invention is intended to solve at least one of above-mentioned technological deficiency, particularly solves the problem of transmitting OAM information between donor base station and RN.
For achieving the above object, one aspect of the present invention has proposed the method that a kind of via node transmits information, may further comprise the steps: set up the designated lane that transmits OAM information between via node and the donor base station; On described designated lane, described via node carries out the transmission of described OAM information through described donor base station and OAM node.
According to embodiments of the invention, described designated lane comprises one of following form: use existing Signaling Radio Bearer SRB1 of LTE or SRB2 to transmit described OAM information; Define new dedicated signaling radio bearer and be used to transmit described OAM information; Define new exclusive data radio bearer DRB and be used to transmit described OAM information.
According to embodiments of the invention, described via node carries out the transmission of described OAM information through described donor base station and OAM node and comprises:
Described via node sends to described donor base station with described OAM information by described designated lane, after described donor base station is received described OAM information is sent to described OAM node; Perhaps
Described OAM node sends to described donor base station with the OAM information that needs pass to described via node, after described donor base station is received described OAM information is sent to described via node by described designated lane.
According to embodiments of the invention, it is before further comprising the steps of to set up the designated lane that transmits OAM information between described via node and the donor base station:
Described via node is set up radio resource control RRC with described donor base station and is connected.
According to embodiments of the invention, when need transmitting described OAM information, utilize RRC extension of message or rrc message unit extensions to carry described OAM information, and on described designated lane, transmit.
According to embodiments of the invention, described RRC extension of message comprises the RRC type of message that definition is new, is used to carry described OAM information.
According to embodiments of the invention, described rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, is used to carry described OAM information.
According to embodiments of the invention, define new RRC type of message or introduce new rrc message unit by using the backed-up value realization of reserving in the existing RRC message.
According to embodiments of the invention, define new RRC type of message or introduce new rrc message unit by in existing RRC message, using the realization of critical extension message body.
The present invention has also proposed a kind of via node on the other hand, comprising: receiver module, described receiver module are used to receive the OAM information that donor base station sends; Configuration module, described configuration module are used for setting up the designated lane that transmits OAM information between described via node and donor base station; Sending module, described sending module send OAM information to described donor base station on described designated lane.
According to embodiments of the invention, described configuration module also comprises judge module, described judge module is used to judge whether to set up described designated lane, and after described via node start or restarting, described judge module indication need be set up described designated lane.
According to embodiments of the invention, described designated lane comprises one of following form: use existing Signaling Radio Bearer SRB1 of LTE or SRB2 to transmit described OAM information; Define new dedicated signaling radio bearer and be used to transmit described OAM information; Define new exclusive data radio bearer DRB and be used to transmit described OAM information.
According to embodiments of the invention, when need transmitting described OAM information, utilize the RRC extension of message to carry described OAM information, described RRC extension of message comprises the RRC type of message that definition is new, is used to carry described OAM information.
According to embodiments of the invention, when need transmitting described OAM information, utilize the rrc message unit extensions to carry described OAM information, described rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, is used to carry described OAM information.
The technical scheme that proposes according to the present invention has solved the problem of transmitting OAM information between OAM node and the RN, and for example the OAM information of energy update system after RN has just started shooting or restarted perhaps in the RN course of normal operation, is upgraded the relevant OAM information of RN.The technical scheme that the present invention proposes for realizing that transmitting the OAM system between RN and the OAM node has proposed multiple implementation, only need increase a small amount of signaling message to existing system and just can realize, realization is simple, efficient, helps the elevator system performance.
Aspect that the present invention adds and advantage part in the following description provide, and part will become obviously from the following description, or recognize by practice of the present invention.
Description of drawings
Above-mentioned and/or additional aspect of the present invention and advantage are from obviously and easily understanding becoming the description of embodiment below in conjunction with accompanying drawing, wherein:
Fig. 1 is the schematic diagram that comprises the SNA of RN;
Fig. 2 transmits the flow chart of the method for information for via node;
Fig. 3 transmits the schematic diagram of embodiment one for realizing OAM information;
Fig. 4 transmits the schematic diagram of embodiment two for realizing OAM information;
Fig. 5 transmits the schematic diagram of embodiment three for realizing OAM information;
Fig. 6 is the structural representation of via node.
Embodiment
Describe embodiments of the invention below in detail, the example of described embodiment is shown in the drawings, and wherein identical from start to finish or similar label is represented identical or similar elements or the element with identical or similar functions.Below by the embodiment that is described with reference to the drawings is exemplary, only is used to explain the present invention, and can not be interpreted as limitation of the present invention.
The present invention proposes the method that a kind of via node transmits information, may further comprise the steps: set up the designated lane that transmits OAM information between via node and the donor base station; On described designated lane, described via node carries out the transmission of described OAM information through described donor base station and OAM node.
As shown in Figure 2, the method flow diagram for realizing that via node information is transmitted may further comprise the steps:
S101: set up the designated lane that transmits OAM information between via node and the donor base station.
The technical scheme that the present invention proposes is introduced designated lane for transmitting OAM information, because according to the LTE agreement, eNB is different from OAM information processing flow process the processing on existing each passage.For example:
The RRC message that is used for transparent transmission NAS (Non Access Stratum, Non-Access Stratum) message on SRB can be regarded as the designated lane that NAS transmits, and the base station will be transmitted to core net by S1 AP interface the data of receiving in this passage;
Be not used in the RRC message of transmission NAS message on SRB, can be regarded as the designated lane of RRC transmission, the base station is stayed in the local device the data of receiving in this passage and is handled, and does not carry out any forwarding;
Carrying user data data packets for transmission on DRB can be regarded as the designated lane of user data transmission, and the base station will be transmitted to core net by S1 AP interface the data of receiving in this passage.
Therefore, if do not introduce OAM message-specific passage, the base station may be handled OAM information according to existing mode, can't realize the transmission of the internodal OAM information of RN and OAM like this.After introducing designated lane, the required individual processing of OAM information can be carried out in the base station, and for example, the data that up direction in the OAM information dedicated passage is received directly are transmitted to the OAM node.
Above-mentioned designated lane can be just to start shooting at via node, set up in the time of need obtaining OAM information; Also can be just to have restarted the back, set up in the time of need obtaining OAM information again at via node; Or via node is in operate as normal, when needing to transmit OAM information, when also not transmitting the designated lane of OAM information between via node and the donor base station and set up.
Therefore, in step S101, when needing to transmit OAM information, set up the designated lane that is used to transmit OAM information between via node and the donor base station.When need transmitting OAM information, for example be RN after just starting shooting or restarting, need to obtain or the OAM information of update system in, perhaps in the RN course of normal operation, when needing RN to upgrade OAM information.
In addition, in order to solve the problem of transmitting OAM information between OAM node and the RN, simultaneously in order to lower change to existing system message signaling, the compatibility that helps system, when need transmitting described OAM information, RN just start shooting or restart after need to transmit OAM information before, when also needing to set up radio resource control RRC with donor base station, RN is connected, can utilize RRC extension of message or rrc message unit extensions to carry required OAM information, send the RRC message after the expansion carry OAM information by designated lane.
Wherein, the RRC extension of message comprises the RRC type of message that definition is new, is used to carry OAM information.The rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, is used to carry OAM information.
Furthermore, the RRC extension of message comprises the RRC type of message that definition is new, for example, is defined as DL-RN-OAM-Message message for descending OAM message transmission, is used to carry OAM information.
DL-RN-OAM-Message message can realize by following two kinds of concrete modes:
A) use standby (Spare) value of reserving in the existing RRC message to realize
Have a plurality of Spare values to be not specifically defined in the RRC message at present, for example, the message of redetermination uses the Spare7 that reserves to define.Obviously, DL-RN-OAM-Message message being not limited to this reserved value, also can be other Spare value.
B) use critical extension message body to realize
For example, in the RRC message set zoarium on the DCCH of down direction (Dedicated Control Channel, Dedicated Control Channel), use critical extension, the message DL-RN-OAM-Message of redetermination is included.
No matter based on above a) or b) mode, the message DL-RN-OAM-Message message body of redetermination can be used identical message content form.
Furthermore, the rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, for example, introduces new information unit DLInformationTransfer-r10-IE for descending OAM message transmission, is used to carry OAM information.
Obviously, the mode of extend information cells D LInformationTransfer-r10-IE can use above-mentioned proposition a) or b) mode.No matter based on above a) or b) mode, the information unit DLInformationTransfer-r10-IE imformosome that disappears of redetermination can use identical information content form.
In order to solve the problem of transmitting OAM information between OAM node and the RN, simultaneously in order to lower change, help the compatibility of system to existing system message signaling, the present invention proposes the multiple mode of setting up designated lane.For example:
1) existing RRC message in the LTE system is expanded, the extended mode of above-mentioned proposition for example uses in the LTE system existing SRB1 (Signal Radio Bearer 1, Signaling Radio Bearer 1) or SRB2 as the designated lane that transmits OAM information;
2) existing RRC message in the LTE system is expanded, for example the extended mode of above-mentioned proposition defines new dedicated signaling radio bearer, SRB3 for example, and on this dedicated signaling radio bearer, RN and donor base station transmit the OAM information of this RN.
3) DRB (Data Radio Bearer, Data Radio Bearer) of the new exclusive data of definition, on this DRB, RN and donor base station transmit the OAM information of this RN.
S102: on designated lane, transmit through donor base station, via node and OAM node carry out the transmission of OAM information.
In step S102, when RN need be when the OAM node sends OAM information, RN sends to donor base station with described OAM information by designated lane, and the OAM information with this RN after donor base station is received sends to described OAM node.
When the OAM node need be when certain RN transmits OAM information, the OAM node sends to corresponding donor base station with the OAM information that needs pass to this RN, and the OAM information with this RN after donor base station is received sends to this RN.
In order further to set forth the present invention,, further provide the embodiment of a plurality of embodiments order of the present invention below in conjunction with the example of concrete transmission OAM.
Embodiment 1:
In the present embodiment, after RN has just started shooting or just restarted, at first set up RRC and be connected, use existing SRB in the LTE system afterwards, be i.e. SRB1/SRB2 transmission OAM information with donor base station.
In the present embodiment RRC message in the LTE system or rrc message unit are expanded, concrete extended mode can be above-mentioned proposition a) or b) mode, be specifically designed to the option that transmits OAM information thereby introduce.
The message conveying flow as shown in Figure 3.For example, after the RN start, at first with between the donor base station set up RRC and be connected, owing to use existing SRB to transmit OAM information in the present embodiment, therefore corresponding designated lane set up process and existing SRB to set up process consistent, be after RRC connect to set up, transmit the designated lane SRB1 of OAM information or SRB2 is also corresponding sets up, flow process afterwards is divided into 2 links:
When RN need be when the OAM node sends OAM information, the upgoing O AM message transmitting procedure in the calling graph 3 is specially: the OAM information that RN will need to transmit is placed in the up RRC message of expansion and sends to donor base station.After donor base station is received, judge that according to the value in the extended message this is the OAM information of a RN,, be forwarded to the OAM node therefore with after the OAM information extraction wherein;
When the OAM node need be when RN sends OAM information, descending OAM message transmitting procedure in the calling graph, be specially: the OAM information that the OAM node will need to transmit sends to donor base station, after donor base station is received, sends to RN with being filled in the descending RRC message of expansion.
Embodiment 2:
In the present embodiment, after RN has just started shooting or just restarted, at first set up RRC and be connected with donor base station, when needing to transmit OAM information, set up a Signaling Radio Bearer that is exclusively used in the OAM message transmission, as SRB3, OAM information all is to transmit by this dedicated signaling radio bearer then.
In the present embodiment the existing RRC message in the LTE system is expanded, is promptly introduced being specifically designed to the option that transmits OAM information, the expansion of RRC message or rrc message unit can for above-mentioned proposition a) or b) mode.In the present embodiment, the process of setting up of dedicated signaling radio bearer has 2 kinds of modes: donor base station is initiatively set up the dedicated signaling radio bearer; RN sends a request message to donor base station, sets up the dedicated signaling radio bearer after donor base station is received.Concrete message conveying flow as shown in Figure 4.
Embodiment 3:
In the present embodiment, RN start just or just restarted after, at first setting up RRC with donor base station is connected, when needing to transmit OAM information, set up the Data Radio Bearer that a special use is used for the OAM message transmission, as DRB3, OAM information all is to transmit by this special-purpose Data Radio Bearer then.In the present embodiment, the process of setting up of exclusive data radio bearer has 2 kinds of modes: donor base station is initiatively set up the exclusive data radio bearer; RN sends a request message to donor base station, sets up the exclusive data radio bearer after donor base station is received.Concrete message conveying flow as shown in Figure 5.
As shown in Figure 6, the invention allows for a kind of via node RN600, comprising: receiver module 610, configuration module 620 and sending module 630.
Wherein, receiver module 610 is used to receive the OAM information that donor base station sends; Configuration module 620 is used for setting up the designated lane that transmits OAM information between via node 600 and donor base station; Sending module 630 sends OAM information to donor base station on designated lane.
As the embodiment of the said equipment, configuration module 620 also comprises judge module 621, and judge module 621 is used to judge whether to set up designated lane, and after 600 starts of relaying node or restarting, judge module 621 indications need be set up designated lane.At this moment, can send request to donor base station by sending module 630 and set up designated lane message, set up this designated lane after donor base station is received.
As the embodiment of the said equipment, designated lane comprises one of following form: use existing Signaling Radio Bearer SRB1 of LTE or SRB2 to transmit OAM information; Define new dedicated signaling radio bearer and be used to transmit OAM information; Define new exclusive data radio bearer DRB and be used to transmit OAM information.
As the embodiment of the said equipment, when needing to transmit OAM information, utilize the RRC extension of message to carry OAM information, the RRC extension of message comprises the RRC type of message that definition is new, is used to carry OAM information.
As the embodiment of the said equipment, when needing to transmit OAM information, utilize the rrc message unit extensions to carry OAM information, the rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, is used to carry OAM information.
The said equipment that the present invention proposes has solved the problem of transmitting OAM information between OAM node and the RN, make RN just start shooting or restart after can update system OAM information.The said equipment that the present invention proposes for realizing that transmitting the OAM system between RN and the OAM node has proposed multiple implementation, only need increase a small amount of signaling message to existing system and just can realize, realization is simple, efficient, helps the elevator system performance.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (11)
1. the method for a via node transmission information is characterized in that, may further comprise the steps:
Set up the designated lane that transmits OAM information between via node and the donor base station;
On described designated lane, described via node carries out the transmission of described OAM information through described donor base station and OAM node.
2. via node as claimed in claim 1 transmits the method for information, it is characterized in that described designated lane comprises one of following form:
Use existing Signaling Radio Bearer SRB1 of LTE or SRB2 to transmit described OAM information;
Define new dedicated signaling radio bearer and be used to transmit described OAM information;
Define new exclusive data radio bearer DRB and be used to transmit described OAM information.
3. via node as claimed in claim 1 or 2 transmits the method for information, it is characterized in that, described via node carries out the transmission of described OAM information through described donor base station and OAM node and comprises:
Described via node sends to described donor base station with described OAM information by described designated lane, after described donor base station is received described OAM information is sent to described OAM node; Perhaps
Described OAM node sends to described donor base station with the OAM information that needs pass to described via node, after described donor base station is received described OAM information is sent to described via node by described designated lane.
4. via node as claimed in claim 1 transmits the method for information, it is characterized in that, it is before further comprising the steps of to set up the designated lane that transmits OAM information between described via node and the donor base station:
Described via node is set up radio resource control RRC with described donor base station and is connected.
5. via node as claimed in claim 1 transmits the method for information, it is characterized in that, when needing to transmit described OAM information, utilizes RRC extension of message or rrc message unit extensions to carry described OAM information, and transmits on described designated lane.
6. via node as claimed in claim 5 transmits the method for information, it is characterized in that, described RRC extension of message comprises the RRC type of message that definition is new, is used to carry described OAM information; Perhaps
Described rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, is used to carry described OAM information.
7. via node as claimed in claim 6 transmits the method for information, it is characterized in that, defines new RRC type of message or introduces new rrc message unit by using the backed-up value realization of reserving in the existing RRC message; Perhaps
Define new RRC type of message or introduce new rrc message unit by in existing RRC message, using the realization of critical extension message body.
8. a via node is characterized in that, comprising:
Receiver module, described receiver module are used to receive the OAM information that donor base station sends;
Configuration module, described configuration module are used for setting up the designated lane that transmits OAM information between described via node and donor base station;
Sending module, described sending module send OAM information to described donor base station on described designated lane.
9. via node as claimed in claim 8, it is characterized in that, described configuration module also comprises judge module, described judge module is used to judge whether to set up described designated lane, after described via node start or restarting, described judge module indication need be set up described designated lane.
10. via node as claimed in claim 8 is characterized in that, described designated lane comprises one of following form:
Use existing Signaling Radio Bearer SRB1 of LTE or SRB2 to transmit described OAM information;
Define new dedicated signaling radio bearer and be used to transmit described OAM information;
Define new exclusive data radio bearer DRB and be used to transmit described OAM information.
11. via node as claimed in claim 8 is characterized in that, when need transmitting described OAM information, utilizes RRC extension of message or rrc message unit extensions to carry described OAM information; Described RRC extension of message comprises the RRC type of message that definition is new, is used to carry described OAM information; Perhaps
Described rrc message unit extensions is included in the new rrc message unit of introducing in the existing RRC message, is used to carry described OAM information.
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| CN200910080282XA CN101841934B (en) | 2009-03-17 | 2009-03-17 | Method and device for transmitting information by using relay node |
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| CN102098723A (en) * | 2011-02-12 | 2011-06-15 | 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 |
| CN102111806A (en) * | 2011-02-14 | 2011-06-29 | 电信科学技术研究院 | Method, system and equipment of selecting target cell |
| CN102438293A (en) * | 2010-09-29 | 2012-05-02 | 中兴通讯股份有限公司 | RN (relay node) starting method and device as well as RN |
| WO2012062147A1 (en) * | 2010-11-08 | 2012-05-18 | 中兴通讯股份有限公司 | Method and device for configuring cell parameters of relay node |
| WO2012130085A1 (en) * | 2011-03-29 | 2012-10-04 | 华为技术有限公司 | Method and device for establishing connection with network management system, and communication system |
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| CN1320836C (en) * | 2004-07-15 | 2007-06-06 | 大唐移动通信设备有限公司 | Method for realizing automatic establishment of specific OM channel for 3G base station |
| CN101111047B (en) * | 2006-07-18 | 2011-03-30 | 华为技术有限公司 | Method and system for communication using relaying base station |
| US20080108355A1 (en) * | 2006-11-03 | 2008-05-08 | Fujitsu Limited | Centralized-scheduler relay station for mmr extended 802.16e system |
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| 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 |
| CN102098723A (en) * | 2011-02-12 | 2011-06-15 | 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 |
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