CN102404717B - Via node obtains the method and system of configuration information - Google Patents
Via node obtains the method and system of configuration information Download PDFInfo
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- CN102404717B CN102404717B CN201010282556.6A CN201010282556A CN102404717B CN 102404717 B CN102404717 B CN 102404717B CN 201010282556 A CN201010282556 A CN 201010282556A CN 102404717 B CN102404717 B CN 102404717B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
Abstract
The invention discloses a kind of method that via node obtains configuration information, comprise: when network side receives the acquisition configuration request of via node transmission, judge that whether the network node that described via node accesses is suitable, and send corresponding configuration information according to judged result to described via node.The present invention discloses the system that a kind of via node realizing said method obtains configuration information, comprising: receiving element, for receiving the acquisition configuration request that via node sends; According to the request of described acquisition configuration information, judging unit, for judging that whether the network node that described via node accesses is suitable; Transmitting element, sends corresponding configuration information for the judged result according to described judging unit to described via node.Present invention, avoiding RN and download useless parameter and the leakage of wasting Internet resources and operator's privacy information, and for needing reattachment to provide access efficiency faster to the RN of network.
Description
Technical field
The present invention relates to the technology that via node obtains configuration information, particularly relate to via node in a kind of junction network and obtain the method and system of configuration information.
Background technology
In order to keep 3-G (Generation Three mobile communication system) in the competitiveness of the communications field, third generation partner program (3GPP, 3rd Generation Partnership Project) standard operation group is just being devoted to the research of evolution grouping domain system (EPS, Evolved Packet System).Fig. 1 is the system construction drawing of evolution packet network, as shown in Figure 1, EPS mainly comprises the universal terrestrial access network (E-UTRAN of evolution, Evolved Universal Terrestrial Radio Access Network) and packet-based core networks (EPC, Evolved Packet Core) two parts of evolution.The EPC of this system can support that user is from GSM EDGE wireless access network (GERAN, GSM EDGE radio access network) and the access of universal land radio access web (UTRAN, Universal Terrestrial Radio Access Network).
In EPC packet-based core networks, contain home subscriber data server (HSS, Home SubscriberServer), mobility management unit (MME, Mobility Management Entity), gateway (SGW, Serving Gateway), grouped data network gateway (PGW, PDN Gateway), Serving GPRS Support Node (SGSN, Serving GPRS Support Node) and tactful and charging regulation function entity (PCRF, Policy and Charging Enforcement Function), wherein:
Home subscriber data server, is the permanent storage place of user contracting data, is positioned at the home network that user contracts;
Mobility Management Entity (MME, Mobility Management Entity), the storage place of user contracting data in current network, be responsible for tracking under non-access (NAS, Non-Access Stratum) layer signaling management of terminal to network, user's idle pulley and paging management function and bearer management;
Gateway is the gateway that core net arrives wireless system, the data buffer storage under responsible terminal to the user plane bearer, terminal idle mode of core net, the function of network side initiating business request, lawful interception and packet routing and forwarding capability;
Grouped data network gateway, is the grouping domain system of evolution and the gateway of this its exterior network, is responsible for the function such as IP address assignment, billing function, grouping packet filtering, application of policies of terminal.
Serving GPRS Support Node (SGSN, Serving GPRS Support Node), the business support point that GERAN and UTRAN user accesses EPC network, functionally similar with MME, be responsible for the functions such as the location updating of user, paging management and bearer management.
Strategy and charging regulation function entity (PCRF, Policy and Charging EnforcementFunction), be responsible for providing policy control and charging regulation to PCEF.
In some scenarios, in order to expand wireless coverage, or the wireless ability that access user is provided of provisional increase, introduce the concept of relaying (Relay) node.Fig. 2 introduces the network architecture schematic diagram after Relay, and as shown in Figure 2, after introducing via node, UE can carry out network insertion by via node, wherein:
Via node (RN, Relay Node), comprises two parts function, UE and via node.RN mono-aspect as UE access network, set up carrying wait associative operation, another aspect as eNB for UE provides access.
Donor base station (DeNB, Donor eNodeB), for RN provides wireless access, the wireless heterogeneous networks (RRC of the RN-UE that terminated, Radio Resource Control) signaling, S1 Application Protocol (S1AP) signaling of the RN-eNB that terminated and X2 signaling.SGW and PGW of simultaneously built-in RN-UE.
The gateway system (RN OAM, Relay Node Operator and Management) of via node, RN can from wherein obtaining necessary link information.
When RN accesses as UE, all need providing MME and eNB of service for RN-UE and strengthen function accordingly, therefore need to ensure that RN can choose eNB and MME of enhancing.Fig. 3 is that RN accesses the flow chart of suitable DeNB and MME as UE, as shown in Figure 3, specifically comprises the following steps:
Step 301, RN initiates RRC Establishing process as UE.
Step 302, RN sends attachment request to MME in the RRC connection of having set up.This non-access layer information sends to MME via base station.
Step 303, if the contextual information not having user in network, or Attach Request message does not have integrity protection, or integrity protection failure, and so MME performs the authentication process to user.
Step 304, MME is that RN-UE selects SGW/PGW, and is UE establishment default bearing.
Step 305, MME sends initial context to eNB and sets up request, and wherein comprise the mark of the carrying of foundation, the relevant parameters such as service quality (QoS, Quality of Service), also comprise and send to the attachment of UE to accept message.
Step 306, RRC reconfiguration course, sets up corresponding radio bearer.
Step 307, eNB returns initial context to MME and sets up response.
Step 308, RN sends direct-sending message to eNB, wherein comprises attachment and completes message.ENB is transmitted to MME after receiving this request.
If above-mentioned MME and eNB does not do to strengthen, then the process performed is consistent with prior art.
Step 309, after RN completes attachment (attach) process, obtains configuration parameter from RN OAM.Comprising MME and the DeNB relevant information that RN can access.If it is consistent that the MME of the current access of RN and eNB and OAM issue, RN can not initiate re-attach process, and namely subsequent process can not perform.Otherwise RN needs to perform attachment (re-attach) process again, to access correct MME and DeNB.
Step 310, RN is according to obtaining the suitable DeNB of DeNB or DeNB list information gravity treatment from RN OAM.
Step 311, RN initiates RRC Establishing process as UE.
Step 312, RN sends attachment request to MME in the RRC connection of having set up.This non-access layer information sends to MME via base station.Wherein comprise the identification information of MME, such as globally unique MME mark (GUMMEI, Global Unique MME Identifier).
Step 313, DeNB is designated RN-UE according to the MME comprised in step 312 message and selects upgrading to support the MME of RN.
Step 314, non-access layer information is routed to selected MME by DeNB.
Step 315, if the contextual information not having user in network, or Attach Request message does not have integrity protection, or integrity protection failure, and so MME performs the authentication process to user.
Step 316, MME identify access be not common UE but RN accesses as UE, then MME is that RN selects the built-in SGW/PGW of DeNB.Selection mode can be domain name system (DNS, DomainName System) inquiry, or according to the built-in SGW/PGW address that DeNB provides, or inquire about according to configuration information.
Step 317, MME is that UE creates default bearing.
Step 318, to step 321, with step 305 is similar to step 308 before, does not repeat here.
The RN OAM information before if RN deletes, RN OAM is now also needed again to obtain configuration information.
In prior art, the configuration parameter that RN needs by RN OAM is disposable is handed down to RN, and because RN needs for UE provides wireless access as eNodeB, therefore not only number ratio is more for configuration parameter, has also related to the privacy of operator.But can access DeNB list owing to comprising RN in the parameter that RN OAM issues, if RN cannot access the DeNB specified, then other configuration parameters that OAM is handed down to RN are actually useless.
Summary of the invention
In view of this, main purpose of the present invention is to provide a kind of via node to obtain the method and system of configuration information, can confirm that the network node of relay point access provides complete configuration information for it after suitable, otherwise the configuration information for the correct access network nodes of via node is only being provided.
For achieving the above object, technical scheme of the present invention is achieved in that
Via node obtains a method for configuration information, comprising:
When network side receives the acquisition configuration request of via node transmission, judge that whether the network node that described via node accesses is suitable, and send corresponding configuration information according to judged result to described via node.
Preferably, described network node comprises DeNB and/or MME.
Preferably, the DeNB identification information carrying the current access of described via node in described acquisition configuration request and/or the MME identification information obtained.
Preferably, whether the described network node judging that described via node accesses is suitable is specially:
The DeNB identification information that described network side accesses according to described via node and/or the MME identification information obtained, determine whether accessed DeNB and/or MME is the legitimate network node allowing the access of described via node, the network node accessed when being is suitable, otherwise improper.
Preferably, described DeNB identification information is at least one of following information: the global unique identification of described DeNB, the cell ID of community of the described DeNB of the current access of described via node and the Location Area Identification of current access;
Described MME identification information is the global unique identification (GUMMEI) of at least one of following information: MME and MME is the unique temporary UE identifier in the whole world (GUTI, Global Unique Temporary UE Identifier) that described via node distributes.
Preferably, described network node is IAD.
Preferably, whether the described network node judging that described via node accesses is suitable is specially:
Described network side obtains the identification information of the IAD of described via node access, and determines whether described IAD is the legal IAD allowing the access of described via node, and the network node accessed when being is suitable, otherwise improper further.
Preferably, the identification information of the IAD of described via node access is: the address information of PGW, or the address information of RN.
Preferably, describedly send corresponding configuration information according to judged result to described via node and be specially:
When the network node of described via node access is suitable, send all configuration informations to described via node, otherwise, the configuration information that can correctly access is sent to described via node.
Via node obtains a system for configuration information, is applicable in junction network; Described system comprises receiving element, judging unit and transmitting element; Wherein,
Receiving element, for receiving the acquisition configuration request that via node sends;
According to the request of described acquisition configuration information, judging unit, for judging that whether the network node that described via node accesses is suitable;
Transmitting element, sends corresponding configuration information for the judged result according to described judging unit to described via node.
Preferably, described network node comprises DeNB and/or MME;
The DeNB identification information carrying the current access of described via node in described acquisition configuration request and/or the MME identification information obtained.
Preferably, the DeNB identification information that described judging unit accesses according to described via node further and/or the MME identification information obtained, determine whether accessed DeNB and/or MME is the legitimate network node allowing the access of described via node, the network node accessed when being is suitable, otherwise improper.
Preferably, described DeNB identification information is at least one of following information: the global unique identification of described DeNB, the cell ID of community of the described DeNB of the current access of described via node and the Location Area Identification of current access;
Described MME identification information is the global unique identification of at least one of following information: MME and MME is the unique temporary UE identifier in the whole world that described via node distributes.
Preferably, described network node is IAD; Described judging unit further, obtain the identification information of the IAD of described via node access, and determine whether described IAD is the legal IAD allowing the access of described via node, and the network node accessed when being is suitable, otherwise improper further.
Preferably, the identification information of the IAD of described via node access is: the address information of PGW, or the address information of RN.
Preferably, described transmitting element, when described judging unit determines that the network node that described via node accesses is suitable, sends all configuration informations to described via node, otherwise, the configuration information that can correctly access is sent to described via node.
In the present invention, during the request for access network and the configuration information that obtains that network side receives that via node sends, whether the network node first determining current access is suitable, when improper, only send the configuration information that can make its correct access network nodes to via node.This invention ensures that relevant configuration parameter is handed down to RN by RN OAM ability when confirming that RN successfully may access institute's selected network, avoid RN and download useless parameter and the leakage of wasting Internet resources and operator's privacy information, and for needing reattachment to provide access efficiency faster to the RN of network.
Accompanying drawing explanation
Fig. 1 is the system construction drawing of evolution packet network;
Fig. 2 introduces the network architecture schematic diagram after Relay;
Fig. 3 is that RN accesses the flow chart of suitable DeNB and MME as UE;
Fig. 4 is the flow chart that via node of the present invention obtains the embodiment of the method one of configuration information;
Fig. 5 is the flow chart that via node of the present invention obtains the embodiment of the method two of configuration information;
Fig. 6 is the composition structural representation that via node of the present invention obtains the system of configuration information.
Embodiment
Basic thought of the present invention is, during the request for access network and the configuration information that obtains that network side receives that via node sends, whether the network node first determining current access is suitable, when improper, only send the configuration information that can make its correct access network nodes to via node.
For making the object, technical solutions and advantages of the present invention clearly understand, by the following examples also with reference to accompanying drawing, the present invention is described in more detail.
Fig. 4 is the flow chart that via node of the present invention obtains the embodiment of the method one of configuration information, and as shown in Figure 4, the method that this example via node obtains configuration information specifically comprises the following steps:
In this example, step 401 is to step 408, and step 410 is to step 421, and its implementation is all identical with prior art, and the present invention repeats no more these steps, specifically can see the corresponding step of flow process shown in Fig. 3.
Step 401, to step 408, see the corresponding step 301 in earlier figures 3 to step 308, repeats no more it here and realizes details.
When step 409a, RN send to RN OAM the request message obtaining configuration information, in request message, need information and/or the MME information of the eNB carrying current access.Wherein the information of eNB can be the global unique identification of eNB, and/or the cell ID (wherein comprising the identification information of eNB) of the community of current access eNB, and/or the Location Area Identification of current access (this mark and eNB have certain corresponding relation).Wherein MME information can be the global unique identification of MME, and/or MME is the GUTI (wherein comprising the identification information of MME) that RN-UE distributes.
In this step, when RN sends in the request message of acquisition configuration information to RN OAM, the correlated identities information of carrying current the accessed network node of this RN is needed in request message, concrete, the DeNB of current for this RN access and/or the MME identification information etc. that obtained is needed to be inserted in above-mentioned request message, to facilitate RN OAM to determine the network node information of the current access of RN according to these identification informations, to determine whether the network node that RN accesses is suitable network node further.Above-mentioned identification information, as long as can go out DeNB or MME by unique identification.Position region identification information as escribed above can be concrete geographical location information, the geography information that RN as determined by global positioning system is current, if and the corresponding relation that network side distributes as described geography information and eNB in RN OAM, then can determine the information of the eNB that this RN can access.
The information of the network node that step 409b, RN OAM carries according to RN in abovementioned steps 409a, judges whether RN is access from suitable DeNB and MME.In this example, suppose that DeNB or MME that RN accesses is incorrect.
Step 409c, RN OAM only returns the configuration parameter ensureing that RN can correctly access to RN, such as DeNB list, and/or MME mark.That is, in only returning to RN it can be made to be linked into network node that network side approves, and the information of any one is limited in correct these network nodes of access.
Step 410, to step 421, see the corresponding step 310 in earlier figures 3 to step 321, repeats no more it here and realizes details.
When step 422a, RN send to RN OAM the request message obtaining configuration information, in request message, need information and/or the MME information of the eNB carrying current access.Wherein the information of eNB can be the global unique identification of eNB, and/or the cell ID of present access subzone (wherein comprising the identification information of eNB), and/or the Location Area Identification of current access (this mark and eNB have certain corresponding relation).Wherein MME information can be the global unique identification of MME, and/or MME is the GUTI (wherein comprising the identification information of MME) that RN-UE distributes.
In this example, when RN sends in the request message of acquisition configuration information to RN OAM, the relevant information of current the accessed network node of this RN will be carried in this request message, this relevant information mainly refers to identification information, to facilitate network side, these network nodes are identified, and determine whether the network node that this RN accesses is suitable network node further, thus determine to send which type of configuration information to this RN.The realization of this step is substantially identical with abovementioned steps 409a.
The relevant information of the network node carried in the request message of the acquisition configuration information that step 422b, RN OAM sends according to RN in abovementioned steps 422a, judges whether RN accesses from suitable DeNB and MME.Owing to have sent to this RN the relevant configuration information making the accurate access network nodes of this RN in step abovementioned steps 409c, therefore, the network node of the current access of this RN should be suitable.The network node of this step hypothesis RN access is correct.
Step 422c, RN OAM returns the whole configuration informations needed for RN to RN.Here whole configuration informations, namely identical with prior art shown in earlier figures 3 configuration information.
Fig. 5 is the flow chart that via node of the present invention obtains the embodiment of the method two of configuration information, and as shown in Figure 5, the method that this example via node obtains configuration information specifically comprises the following steps:
In this example, step 501 is to step 508, and step 510 is to step 521, and its implementation is all identical with prior art, and the present invention repeats no more these steps, specifically can see the corresponding step of flow process shown in Fig. 3.
Step 501, to step 508, see the corresponding step 301 in earlier figures 3 to step 308, repeats no more it here and realizes details.
Step 509A, RN send the request message obtaining configuration information to RN OAM.
Step 509B, RN OAM judges according to the address information of carrying in step step 509A the network whether RN accesses from suitable DeNB and MME.Such as, carry the address information of RN address information and/or PGW in this message, RN can be identified and whether accessed correct PGW; Wherein, namely PGW is built in the PGW in DeNB.Suppose in this step not access correct DeNB and MME.
Step 509C, RN OAM only returns the configuration parameter ensureing that RN can correctly access to RN, such as DeNB list, and/or MME mark.
Step 522A, RN send the request message obtaining configuration information to RN OAM.
According to the address information of carrying in step 509A, step 522B, RN OAM judges whether RN accesses from suitable DeNB and MME.Such as, carry the address information of RN address information and/or PGW in this message, RN can be identified and whether accessed correct PGW, PGW and be namely built in PGW in DeNB.DeNB and MME of this step hypothesis RN access is correct.
Step 522C, RN OAM returns the whole configuration informations needed for RN to RN.
This invention ensures that relevant configuration parameter is handed down to RN by RN OAM ability when confirming that RN successfully may access institute's selected network.Avoid on the one hand and download useless parameter to the waste of Internet resources, and the leakage to operator's privacy information, on the other hand for needing reattachment to provide access efficiency faster to the RN of network.
The system that via node of the present invention obtains configuration information is applicable in junction network; Fig. 6 is the composition structural representation that via node of the present invention obtains the system of configuration information, and as shown in Figure 6, the system that via node of the present invention obtains configuration information comprises receiving element 60, judging unit 61 and transmitting element 62; Wherein,
Receiving element 60, for receiving the acquisition configuration request that via node sends;
According to the request of described acquisition configuration information, judging unit 61, for judging that whether the network node that described via node accesses is suitable;
Transmitting element 62, sends corresponding configuration information for the judged result according to described judging unit to described via node.
Above-mentioned network node comprises DeNB and/or MME;
The DeNB identification information carrying the current access of described via node in described acquisition configuration request and/or the MME identification information obtained.
The DeNB identification information that above-mentioned judging unit 61 accesses according to described via node further and/or the MME identification information obtained, determine whether accessed DeNB and/or MME is the legitimate network node allowing the access of described via node, the network node accessed when being is suitable, otherwise improper.
Above-mentioned DeNB identification information is at least one of following information: the global unique identification of described DeNB, the cell ID of community of the described DeNB of the current access of described via node and the Location Area Identification of current access;
Described MME identification information is the global unique identification of at least one of following information: MME and MME is the unique temporary UE identifier in the whole world that described via node distributes.
Above-mentioned network node is that IAD is as PGW; Above-mentioned judging unit 61 further, obtain the identification information of the IAD of described via node access, and determine whether described IAD is the legal IAD allowing the access of described via node, and the network node accessed when being is suitable, otherwise improper further.
Above-mentioned transmitting element 62, when judging unit 61 determines that the network node that described via node accesses is suitable, sends all configuration informations to described via node, otherwise, the configuration information that can correctly access is sent to described via node.
Those skilled in the art are to be understood that, the system that via node shown in Fig. 6 of the present invention obtains configuration information obtains the method for configuration information for realizing aforesaid via node and design, and the practical function of above-mentioned each processing unit can refer to the associated description of preceding method and understands.The function of each processing unit in figure realizes by the program run on processor, also realizes by concrete logical circuit.
The above, be only preferred embodiment of the present invention, be not intended to limit protection scope of the present invention.
Claims (10)
1. via node obtains a method for configuration information, and it is characterized in that, described method comprises:
When network side receives the acquisition configuration request of via node transmission, judge that whether the network node that described via node accesses is suitable, and send corresponding configuration information according to judged result to described via node;
Described network node comprises following network element one of at least: donor base station (DeNB), Mobility Management Entity (MME), IAD;
When described network node is DeNB and/or MME, whether the described network node judging that described via node accesses is suitable is specially: the DeNB identification information that described network side accesses according to described via node and/or the MME identification information obtained, determine whether accessed DeNB and/or MME is the legitimate network node allowing the access of described via node, when being judged as YES, the network node accessed is suitable, otherwise improper;
When described network node is IAD, whether the described network node judging that described via node accesses is suitable is specially: described network side obtains the identification information of the IAD of described via node access, and determine whether described IAD is the legal IAD allowing the access of described via node further, when being judged as YES, the network node accessed is suitable, otherwise improper.
2. method according to claim 1, is characterized in that, the DeNB identification information carrying the current access of described via node in described acquisition configuration request and/or the MME identification information obtained.
3. method according to claim 2, it is characterized in that, described DeNB identification information is at least one of following information: the cell ID of described DeNB community of the global unique identification of described DeNB, the current access of described via node and the Location Area Identification of current access;
Described MME identification information is the global unique identification of at least one of following information: MME and MME is the unique temporary UE identifier in the whole world (GUTI) that described via node distributes.
4. method according to claim 1, is characterized in that, the identification information of the IAD of described via node access is: the address information of PGW, or the address information of RN.
5. the method according to any one of Claims 1-4, is characterized in that, describedly sends corresponding configuration information according to judged result to described via node and is specially:
When the network node of described via node access is suitable, send all configuration informations to described via node, otherwise, the configuration information that can correctly access is sent to described via node.
6. via node obtains a system for configuration information, is applicable in junction network; It is characterized in that, described system comprises receiving element, judging unit and transmitting element; Wherein,
Receiving element, for receiving the acquisition configuration request that via node sends;
According to the request of described acquisition configuration information, judging unit, for judging that whether the network node that described via node accesses is suitable;
Transmitting element, sends corresponding configuration information for the judged result according to described judging unit to described via node;
Described network node comprises following network element one of at least: DeNB, MME, IAD;
When described network node is DeNB and/or MME, the DeNB identification information that described judging unit accesses according to described via node further and/or the MME identification information obtained, determine whether accessed DeNB and/or MME is the legitimate network node allowing the access of described via node, the network node accessed when being is suitable, otherwise improper;
When described network node is IAD, described judging unit further, obtain the identification information of the IAD of described via node access, and determine whether described IAD is the legal IAD allowing the access of described via node further, the network node accessed when being is suitable, otherwise improper.
7. system according to claim 6, is characterized in that, the DeNB identification information carrying the current access of described via node in described acquisition configuration request and/or the MME identification information obtained.
8. system according to claim 7, it is characterized in that, described DeNB identification information is at least one of following information: the cell ID of described DeNB community of the global unique identification of described DeNB, the current access of described via node and the Location Area Identification of current access;
Described MME identification information is the global unique identification of at least one of following information: MME and MME is the GUTI that described via node distributes.
9. system according to claim 6, is characterized in that, the identification information of the IAD of described via node access is: the address information of PGW, or the address information of RN.
10. the system according to any one of claim 6 to 9, it is characterized in that, described transmitting element is when described judging unit determines that the network node that described via node accesses is suitable, all configuration informations are sent to described via node, otherwise, the configuration information that can correctly access is sent to described via node.
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| CN201010282556.6A CN102404717B (en) | 2010-09-14 | 2010-09-14 | Via node obtains the method and system of configuration information |
| PCT/CN2011/078937 WO2012034474A1 (en) | 2010-09-14 | 2011-08-25 | Method and system for obtaining configuration information by relay node |
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| CN201010282556.6A CN102404717B (en) | 2010-09-14 | 2010-09-14 | Via node obtains the method and system of configuration information |
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| CN101827451A (en) * | 2009-03-03 | 2010-09-08 | 华为技术有限公司 | Network access method of relaying node and device |
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| US9014155B2 (en) * | 2007-11-19 | 2015-04-21 | Rajarshi Gupta | Access point configuration schemes |
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| CN102404717A (en) | 2012-04-04 |
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