CN1826824B - Method and system for providing intelligent remote access to wireless transmit/receive units - Google Patents
Method and system for providing intelligent remote access to wireless transmit/receive units Download PDFInfo
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- CN1826824B CN1826824B CN2004800213197A CN200480021319A CN1826824B CN 1826824 B CN1826824 B CN 1826824B CN 2004800213197 A CN2004800213197 A CN 2004800213197A CN 200480021319 A CN200480021319 A CN 200480021319A CN 1826824 B CN1826824 B CN 1826824B
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Abstract
A method and system is disclosed for providing intelligent remote access to wireless transmit/receive units (WTRUs). A translator is provided in base stations so that system controllers may issue application level network management protocol messages to base stations. The messages are transmitted by the translator to a medium access control (MAC) messaging protocol and forwarded to WTRUs. Information provided by WTRUs to base stations is translated from a MAC protocol to an application level network management protocol so that the information may be accessed by system controllers using application level network management protocols.
Description
Technical field
The present invention is about wireless communication system.More particular words it, the present invention makes network management functions to travel to and fro between WTRUs efficiently and communicates about a kind of method and system that are used to provide remote access to wireless transmission unit.
Background technology
With reference to Fig. 1, it draws a conventional wireless communication system 100 at the beginning.System 100 comprise at least one wireless transmission/receive unit (WTRU) 102, at least one base station 104 and be used for controlling and management system 100 at least one system controller 106 of communication.
Generally speaking, systemic-function be broken down into be called the layer module with simplification and separation and transfer of data related task.Therefore, for asking clear expression, in Fig. 1, also can go out a sample protocol stack 108.In protocol stack 108, the superiors are application layers 112.Application layer 112 is locating of intercoming mutually of two entities.Be transport layer 114 under application layer 112, the latter provides the logic communication between two communication entities, makes to interconnect as being both directly with regard to this two entity of application point.There are two kinds of main flow transport layer protocols the present: transmission control protocol (TCP) and user's data pack protocol (UDP).It under transport layer 114 network layer 116.Network layer 116 encapsulation is from the packet of transport layer 114 and be contained in these data envelopes in the package and utilize Internet protocol (IP) that these packages are delivered to corresponding destination via a network.These packages are commonly called the IP package.Be data link layer 118 and physical layer 120 under network layer 116, the mobile task of IP package between individual links ties up to this and carries out.Agreement in binder couse 118 and physical layer 120 executions can be different because of the link type (for example wired or wireless) that will tide over.In this manual, for simplicity pure, the agreement that will be applied to binder couse 118 and physical layer 120 is referred to as medium access control (MAC) information protocol.It will be appreciated that the use and the unrestricted meaning of " MAC information protocol " this diction, and can comprise all types of binder couse channels, wherein non-limitation comprises broadcasting and point-to-point channel.
One system controller 106 utilizes some application level network management protocol types of implementing in application layer 112 to carry out communicating by letter of related network management function with a base station 104 usually.Because these communication system are carried out in application layer 112, the data that have the usefulness that aims at management quite in a large number exchange between controller 106 and base station 104.Because system controller 106 normally has the wireline interface of abundant frequency range to carry out via one with communicating by letter of 104 of base stations, manage function communication in application layer 112 and be out of question usually.In addition, two entities use and support the related application layer protocol usually.
But, carry out that network management functions communication is difficult to usually or can not between a base station and a WTRU 102, implement in application layer 112.Basically, it is comparatively complicated that application layer protocol tends to, and requires in the function of each layer of protocol stack 108 and mass data will be arranged via aerial exchange.For instance, in the situation of using an application level network management protocol, each information 122 (also being shown in Fig. 1) is by a TCP or 124 encapsulation of UDP message bag, and the latter is encapsulated in the MAC news frame 128 interior IP packages 126.Therefore, utilize an application level network management protocol to travel to and fro between a WTRU and manage extremely inefficient use that function communication is frequency range.In addition, even use situation about can be allowed at the inefficient frequency range of this kind, WTRUs does not often implement the application layer software that is used for carrying out network management functions, thereby it is impossible that these communications are become.
Therefore expectation proposes a kind of method and system and uses and make network management functions travel to and fro between WTRUs efficiently to communicate.
Summary of the invention
The present invention proposes a kind of method and system that intelligent remote access to wireless transmission unit (WTRUs) is provided.One transfer interpreter is provided at and makes system controller to issue application level network management protocol messages to base station in the base station.These information are translated into medium access control (MAC) information protocol and are forwarded to WTRUs through this transfer interpreter.The information that is offered base station by WTRUs is become an application level network management protocol from a MAC protocol translation, makes this information to be utilized the application level network management protocol access by system controller.
Description of drawings
Fig. 1 is a conventional wireless communication system, protocol stack, and the calcspar of package application layer information.
Fig. 2 is a calcspar according to wireless communication system of the present invention.
Fig. 3 is the calcspar of one 802.11 type wireless networks.
Fig. 4 is a base station, a WTRU, and the calcspar of the Network Management Station of 802.11 type wireless networks shown in Figure 3, and wherein network management functions is travelled to and fro between a WTRU according to the present invention and communicated.
Fig. 5 is a flow chart according to method of the present invention, and wherein a system controller can obtain parameter from a WTRU.
Fig. 6 is one according to the flow chart of method of the present invention, and wherein a system controller is renewable or otherwise change the parameter of a WTRU.
Embodiment
In this manual, the non-limitation of the base station WTRUs that comprises a B node (Node B), an access point, a field controller or will possess wireless access capability in a wireless environment offers other interface arrangement of a network relevant with base station.In this manual, the non-limitation of a WTRU comprises user's equipment, a mobile radio station, affixed or moving user unit, a calling set or any type of device that other can operate in a wireless environment.WTRUs comprises personal communicator, such as phone, picture telephone and Internet Protocol telephone that network connects and Portable personal operation device such as PDAs and the mobile computer that possesses the radio modem that has similar network capabilities are arranged.In this manual, a system controller comprises a radio network controller (RNC), a Network Management Station (NMS) or any other and is used for the controller type of executive system controlling features in a wireless communication system.
Can be more efficient between a base station and WTRU than using the application level network management protocol described in the background of invention section via air interface use MAC information protocol.In addition, the use of MAC information protocol is that preferable system is because its utilization desire is given the data link layer and the physical layer at the information place of system controller.Explain that further and information type that desire deliver to a field controller relevant with the management of WTRUs comprises WTRU performance, configuration, reaches Trouble Report.For instance, performance parameter can comprise one and receive/transmitted packet error, and configuration parameters can comprise a WTRU preference ISP, and the Trouble Report parameter can comprise the number of authentication attempts of failure.Because these described orders can be obtained in data link layer and physical layer, the present invention is using the MAC information protocol and using application level network management protocol between controller and base station between base station and the WTRUs.In addition, but a transfer interpreter be provided at and make system controller direct access WTRUs in the base station.
For instance, modern with reference to Fig. 2, draw one among the figure according to system 200 of the present invention.System 200 comprises at least one WTRU 202, at least one base station 204, reaches at least one system controller 206.In this embodiment, a transfer interpreter 208 is provided at base station 204.Transfer interpreter 208 is configured as between application level network management protocol and MAC information protocol and translates back and forth.
In one embodiment, when WTRU 202 beginning one is covered in the ripple district and operated what base station 204 provided, base station 204 utilizes a MAC information protocol to obtain the set point of (that is request and receive) this WTRU 202 and/or parameter (below be referred to as " parameters "), and these parameters can comprise any information relevant with network management in the WTRU 202.These parameters are translated into an application level network management protocol and are stored in base station 204 1 databases 210 from a MAC information protocol by transfer interpreter 208.System controller 206 can utilize an application level network management protocol according to need from the parameter of base station 204 access WTRU 202 then.Base station 204 is preferable to be configured as regular inquiry WTRU 202 and to ask for its parameter to avoid in this database 210 out-of-date data being arranged.
In another embodiment, system controller 206 not only can read the parameter of WTRU 202, also can write.In this embodiment, system controller 206 can be by utilizing an application level network management protocol to the mode that base station 204 sends an information WTRU 202 to be transmitted updated parameters.Then, in case base station 204 receives updated parameters, transfer interpreter 208 is translated into a MAC information protocol form with it and the parameter that will translate transfers to WTRU202.WTRU 202 upgrades its parameter in view of the above then.System controller 206 also can utilize this embodiment (via base station 204) to send its information to base station 204 repayment of order to WTRU 202, and base station can transfer to system controller 206 with this report when having particular event to take place.
For a particular instance more that provides how the present invention can implement in one 802.11 type networks, modern with reference to the 3rd and 4 figure.Be called as one " 802.11 type network " though it will be appreciated that network shown in Figure 3, this system can be any network type in the 802 network families, wherein non-limitation comprise WLAN (WLANs), wireless personal local area network network (WPANs), wireless all can network (WMANs) etc.In Fig. 3, draw a block schematic of a wireless network 300.Wireless network 300 comprises a Network Management Station (NMS) 306, a plurality of base station 314 and 316, reaches a plurality of WTRUs 312 and 318.WTRUs 312,318 and 314,316 groupings of its corresponding base platform.These groups are commonly referred to as set of basic (BSSs) 320,322.A plurality of BSSs 320,322 connect via a wiring system (DS) 324, and wherein a plurality of BSSs are commonly referred to as one and extend service combination (ESS).Base station 314, the 316 preferable networks 319 that see through are connected to NMS 306.
Modern with reference to Fig. 4, draw a WTRU 312 in Fig. 3 network 300, a base station 314, and the calcspar of NMS 306 among the figure.NMS 306 utilizes an application level network management protocol and base station 314 telecommunication network management information back and forth.Purely just for example say that the application level network management protocol shown in the present embodiment is simple network management protocol (SNMP), right any application layer protocol is no matter whether suitablely all can use.Another type can with the application level network management protocol example be extension markup language (XML) agreement.
NMS 306 can be via a SNMP port 400 transferring of SNMP information.It will be appreciated that with regard to transport layer, no matter be that TCP or UDP all can use according to need.The parameter of desiring to deliver to a NMS 306 in one 802.11 type networks is maintained in the management information bank (MIB).Generally speaking, in 802.11 type networks, base station and WTRUs possess a MIB separately, and parameter separately is stored in the corresponding MIB.For instance, in the present invention, base station 314 comprises a database 402, possesses a MIB (that is the MIB of this base station self in it
Base station).In addition, base station 314 comprises a database 404, possesses a MIB (that is the MIB of all WTRUss relevant with base station 314 in it
WTRUs).As previously mentioned, base station 314 also comprises one be used for the transfer interpreter 406 of translating back and forth between a SNMP and a MAC information protocol.In this embodiment, the MAC information protocol is preferably a 802.11k information protocol.This 802.11k information protocol is a data link layer/physical layer protocol of the sensible base station 314 of parameter that allows a WTRU 312.
In order to make NMS 306 obtain the mib information relevant with a base station 314, NMS 306 utilizes SNMP to send a request (that is a SNMP Get information) simply, and base station 314 receives these requests and responds according to request.Therefore in the present invention, the base station 314 preferable 802.11k of utilization information regularly obtain the MIB of WTRU 312 and are stored in the database 404, make the MIBs of WTRU in base station 314, to obtain. it will be appreciated that MIB can received that by base station 314 after be translated into SNMP and store to be provided with translating form, perhaps MIB can be when a NMS 306 requests and translated.In arbitrary situation, MIB system is transferred to NMS 306 with the SNMP form.In addition, in another embodiment, base station 314 is not the MIBs of regular acquisition WTRU, but obtains the MIB of WTRU312 when a NMS 306 requests.
For obtaining the parameter of WTRU 312, NMS 306 utilizes a SNMP information via its SNMP port 400 these parameters of request.In SNMP, this can be called as a Get information according to request, as previously mentioned.Base station 314 receives these requests and the parameter of WTRU 312 is offered NMS 306 with the SNMP form at its SNMP end 408.At MIBs is that the MIB of WTRU 312 merely is transferred to NMS306 in the situation about being stored in the SNMP form in the database 404.In the situation that MIBs system stores with the 802.11k information format, the MIB of WTRU 312 translates through transfer interpreter 406 and sends to NMS 306 then.The preferable system of MIBs utilizes SNMP port 408,400 to offer NMS 306 from base station 314.As previously mentioned, if the MIB of WTRU 312 is outmoded (that is having measured through one period scheduled time in database 404), base station 314 can obtain a new MIB from WTRU 312.
In another embodiment of the present invention, NMS 306 can send a SNMP information request to base station 314 and set some WTRU 312 trap, uses that WTRU 312 can be reported when particular event takes place.NMS 306 sends a SNMP information (that is a SNMP Trap information) to the base station 314 of a specific WTRU 312.Base station 314 receives this SNMP information via SNMP port 408.Transfer interpreter 406 in the base station 314 becomes a 802.11k information with this SNMP information translation.Then, base station 314 these 802.11k information of transmission are reported trap condition to ask specific WTRU 312 when trigger event taking place.In case incident really takes place, WTRU 312 sends a 802.11k information to base station 314.The transfer interpreter 406 of base station 314 becomes this information translation SNMP and sends it to NMS 306 then.
As described herein, NMS 306 can set the MIB parameter of WTRU312 by the mode that sends a SNMP information to a base station 314, wherein this base station updated parameters be translated into 802.11k and with these updated parameters transfer to WTRU 312.But in some situation, NMS 306 may want to connect with 312 direct Jie of WTRU.Therefore in another embodiment, NMS 306 is configured as transmission and receives the SNMP information of travelling to and fro between a WTRU SNMP Agent, makes the MIB parameter of WTRU 312 to be seen through aerial standard SNMP (Set) information setting that sends via one.Even this signal system utilizes SNMP information to see through aerial transmission, it is the low capacity signal normally, so negative effect is not remarkable.
In addition, the MIB configuration parameters of WTRU 312 utilizes SNMP can utilize of the present invention content with its optimization via the mode of being set in the air.For instance, by utilizing transfer interpreter setup parameter of the present invention and/or certain triggers, it is that the basis reverts back to the particular preset configuration that WTRUs can be configured as with the particular event.Particular words more, a WTRU312 can be configured as and for example revert back to a default configuration when it gets back to its home network.This can be used to exempt completely for the needs in order to the low capacity SNMP signal of setting the WTRU parameter.Another is selected, and can utilize a combination of transfer interpreter and application layer and MAC layer information to come setup parameter, as described in this manual.
As described in this specification base station 314 assemblies be preferably and be implemented in single IC for both, for example on the application-specific integrated circuit (ASIC) (ASIC).Right these assemblies also can be implemented on a plurality of independently integrated circuits easily.
Modern with reference to Fig. 5, it draws the flow chart of a method 600, wherein a system controller can obtain parameter from a WTRU. and method 600 starts from step 602, what this moment, one WTRU entered a wireless communication system covers the ripple district. then in step 604, one base station relevant with this WTRU utilizes the parameter of this WTRU of MAC information protocol request. next in step 606, this WTRU utilizes a MAC information protocol that these parameters are transferred to this base station. and this base station is translated into these parameters one application level management protocol (step 608) and stores the parameter (step 610) translated from this MAC information protocol. and translated parameters is preferable is stored in one and is in or is under the jurisdiction of in the database of this base station for these. as previously mentioned, in case step 604 can optionally repeat to keep a new data acquisition system to 610. these translated parameters be stored in this base station, this controller can utilize the application level network management protocol of any kind to obtain these parameters (step 612) from this base station according to need. it will be appreciated that an additional embodiment, this translation step can be receive an actual parameter request the time be triggered. in this case, these system of parameters store with the MAC information format.
Modern with reference to Fig. 6, it draws the flow chart of a method 700, and wherein a system controller is renewable or otherwise change the parameter of a WTRU.In this embodiment, system controller writes access right for the parameter of WTRU.Method 700 starts from step 702, and wherein a system controller utilizes application level network management protocol issue one request to upgrade the parameter of one or more WTRU.Updated parameters is preferably with this request and sends.In step 704, MAC information protocol form is received and is translated in this request by base station.This base station transfers to this WTRU with this request in step 706 then.This WTRU upgrades its parameter according to this request in step 708 then.Method 700 also can be used to set trap at WTRUs makes WTRUs carry out specific action as previously mentioned when particular event takes place.
There is an important affair to should be understood that the present invention can be performed in the wireless communication system of any kind.For instance, the present invention can be performed in the wireless communication system of UMTS-TDD, UMTS-FDD, CDMA2000, TDSCDMA, GSM, WLAN, WPAN, WMAN or any other type.In addition, though feature of the present invention and assembly illustrate that with specific combination each feature or assembly must be used alone or be used in combination with multiple under the condition that is with or without further feature of the present invention and assembly in preferred embodiment.
Claims (24)
1. transmit the method for information between the network entity that is used in cordless communication network, this method comprises:
Utilize application level network management protocol from the system controller receiving network managing information at the base station place;
At this base station place network management information is translated into the medium access control information agreement from application level network management protocol; And
Utilize this medium access control information agreement that this network management information is sent to wireless transmission/receive unit.
2. method according to claim 1 is characterized in that this application level network management protocol is a simple network management protocol.
3. method according to claim 2 is characterized in that, this base station receives simple network management protocol information to obtain network management information from wireless transmission/receive unit from this system controller.
4. method according to claim 3, it is characterized in that this base station becomes the simple network management protocol information translation that receives the medium access control information agreement and gives this wireless transmission/receive unit with this simple network management protocol message transmission of having translated.
5. method according to claim 2 is characterized in that, this base station receives simple network management protocol information to set at least one parameter of this wireless transmission/receive unit from this system controller.
6. method according to claim 5 is characterized in that, this base station becomes this simple network management protocol information translation the medium access control information agreement and the simple network management protocol information that this has been translated is sent to this wireless transmission/receive unit.
7. method according to claim 2, it is characterized in that, this base station receives the management information bank with the medium access control information protocol format from this wireless transmission/receive unit, and this management information bank is translated into simple network management protocol, and the management information bank that will translate is sent to this system controller.
8. method according to claim 7 is characterized in that this base station periodically obtains the management information bank of each wireless transmission/receive unit that is associated with this base station, and is stored in the memory.
9. method according to claim 8, it is characterized in that, described management information bank is with the storage of simple network management protocol form, and this base station responds the simple network management protocol information that receives from this system controller by selecting to be stored in the suitable management information bank in the memory and this management information bank is sent to this system controller.
10. method according to claim 9, it is characterized in that this base station surpassed under the condition of predetermined amount of time from wireless transmission/receive unit request management information bank in the time that the management information bank of being stored is stored in the memory of this base station.
11. method according to claim 1 is characterized in that, this medium access control information agreement is 802.11k.
12. method according to claim 1 is characterized in that, this application level network management protocol is an extension markup language.
13. a base station that is used for transmission information between network entity in cordless communication network, this base station comprises:
Receiver is configured to utilize application level network management protocol from the system controller receiving network managing information;
Transfer interpreter is configured to network management information is translated into the medium access control information agreement from application level network management protocol; And
Transmitter is configured to utilize this medium access control information agreement that this network management information is sent to wireless transmission/receive unit.
14. base station according to claim 13 is characterized in that, this application level network management protocol is a simple network management protocol.
15. base station according to claim 14 is characterized in that, described receiver is configured to receive simple network management protocol information to obtain network management information from wireless transmission/receive unit from this system controller.
16. base station according to claim 15, it is characterized in that the simple network management protocol information translation that described transfer interpreter is configured to receive becomes the medium access control information agreement and the simple network management protocol information that this has been translated is sent to this wireless transmission/receive unit.
17. base station according to claim 14 is characterized in that, described receiver is configured to receive simple network management protocol information to set at least one parameter of this wireless transmission/receive unit from this system controller.
18. base station according to claim 17, it is characterized in that described transfer interpreter is configured to this simple network management protocol information translation is become the medium access control information agreement and the simple network management protocol information that this has been translated is sent to this wireless transmission/receive unit.
19. base station according to claim 14, it is characterized in that, described receiver is configured to receive the management information bank with the medium access control information protocol format from this wireless transmission/receive unit, and this management information bank is translated into simple network management protocol, and the management information bank that will translate is sent to this system controller.
20. base station according to claim 19 is characterized in that, this base station periodically obtains the management information bank of each wireless transmission/receive unit that is associated with this base station, and is stored in the memory.
21. base station according to claim 20, it is characterized in that, described management information bank is with the storage of simple network management protocol form, and this base station responds the simple network management protocol information that receives from this system controller by selecting to be stored in the suitable management information bank in the memory and this management information bank is sent to this system controller.
22. base station according to claim 21, it is characterized in that this base station is configured to surpass under the condition of predetermined amount of time from wireless transmission/receive unit request management information bank in the time that the management information bank of being stored is stored in the memory of this base station.
23. base station according to claim 13 is characterized in that, this medium access control information agreement is 802.11k.
24. base station according to claim 13 is characterized in that, this application level network management protocol is an extension markup language.
Applications Claiming Priority (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US51768703P | 2003-11-05 | 2003-11-05 | |
| US60/517,687 | 2003-11-05 | ||
| US10/882,569 US20050094663A1 (en) | 2003-11-05 | 2004-07-01 | Method and system for providing intelligent remote access to wireless transmit/receive units |
| US10/882,569 | 2004-07-01 | ||
| PCT/US2004/034706 WO2005048567A2 (en) | 2003-11-05 | 2004-10-21 | Method and system for providing intelligent remote access to wireless transmit/receive units |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008101765503A Division CN101431827A (en) | 2003-11-05 | 2004-10-21 | Method and system for providing intelligent remote access to wireless transmit/receive units |
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| Publication Number | Publication Date |
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| CN1826824A CN1826824A (en) | 2006-08-30 |
| CN1826824B true CN1826824B (en) | 2010-05-12 |
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| CNA2008101765503A Pending CN101431827A (en) | 2003-11-05 | 2004-10-21 | Method and system for providing intelligent remote access to wireless transmit/receive units |
| CN2004800213197A Expired - Fee Related CN1826824B (en) | 2003-11-05 | 2004-10-21 | Method and system for providing intelligent remote access to wireless transmit/receive units |
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| Application Number | Title | Priority Date | Filing Date |
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| CNA2008101765503A Pending CN101431827A (en) | 2003-11-05 | 2004-10-21 | Method and system for providing intelligent remote access to wireless transmit/receive units |
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| CN108155981B (en) * | 2016-12-05 | 2022-05-31 | 中兴通讯股份有限公司 | SNMP server and method for packaging SNMP communication data |
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| CN1826824A (en) | 2006-08-30 |
| CN101431827A (en) | 2009-05-13 |
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