CN1464710A - Wire and wireless integrated group subscriber access system and method - Google Patents

Wire and wireless integrated group subscriber access system and method Download PDF

Info

Publication number
CN1464710A
CN1464710A CN 02112167 CN02112167A CN1464710A CN 1464710 A CN1464710 A CN 1464710A CN 02112167 CN02112167 CN 02112167 CN 02112167 A CN02112167 A CN 02112167A CN 1464710 A CN1464710 A CN 1464710A
Authority
CN
China
Prior art keywords
user
wireless
wire
olt
control board
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN 02112167
Other languages
Chinese (zh)
Other versions
CN100407719C (en
Inventor
徐劲松
邱亮
蔡惊哲
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN021121672A priority Critical patent/CN100407719C/en
Publication of CN1464710A publication Critical patent/CN1464710A/en
Application granted granted Critical
Publication of CN100407719C publication Critical patent/CN100407719C/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Landscapes

  • Mobile Radio Communication Systems (AREA)

Abstract

The present invention discloses the group user access integrated wired / wireless system and method. By updating the present wired access system and adding base station interface board in the optical network unit ONU, the base station can link the base station interface board through the U interface to provide the access service for the wireless users, while without the need to establish a separate and complete wireless access system to realize the wireless access service. The invention can be widely applied in airport, hospital, company, communities and other group users, for providing wireless mobile communication within the determined region within the group.

Description

Incorporate group subscriber access system of a kind of wire and wireless and method
Technical field:
The present invention relates to incorporate connecting system of a kind of wire and wireless and method in the communication field, especially at incorporate connecting system of the wire and wireless of group user and method.
Background technology:
At present, access network technology has obtained to use widely, and the application of access network technology is that local switching network is realized " big capacity, institute of few office " and the basis of the large user being realized overlapping covering.Wired connecting system is owing to obtained to use widely, and it can occupy leading position always in the quite a long time; And personnel hand system PHS (Personal Handy Phone System) provides a kind of wireless access means of cheapness, is the ripe at present a kind of mobile communcations system that develops.The communication system of two kinds of access waies must could realize intercommunication by local switch.Seek out PHS the wireless access business is provided, must provide from base station CS, base station controller CSC to a whole set of PHS systems such as Access Network unit ANU.This realizes that at group internal for the group user of wireless mobile communications of localized area, price is very expensive for wanting.
Summary of the invention:
One of technical problem that the present invention solves has provided the incorporate group subscriber access system of a kind of wire and wireless, only need transform existing wired connecting system, just can not realize the wireless access business and do not need to set up separately a whole set of PHS system.
Two of the technical problem that the present invention solves has provided the incorporate group user cut-in method of a kind of wire and wireless, in existing wired connecting system, realize the access of wireless traffic, and can realize " No. one, two machines " (wired base and wireless phone jack per line) business.
The incorporate group subscriber access system of wire and wireless of the present invention comprises: optical line terminal OLT, optical network unit ONU, base station CS, wire user phone and wireless user terminal;
Optical line terminal OLT connects local switch LE by the V5 interface; Optical network unit ONU is connected with optical line terminal OLT by transmission system;
Optical network unit ONU comprises control board, wire user interface board and base-station interface plate; The wire user interface board is realized the access of wire user phone, and the base-station interface plate provides being connected between optical network unit ONU and the base station CS; Control board is responsible for the factory number of wireless user terminal and user index number are changed, and user's dislodging machine state is directly reported optical line terminal OLT, and the user is routed to the optical line terminal OLT distributed time slot, perhaps carries out the operation that OLT requires; The wire user interface board links to each other with control board by communication channel with the base-station interface plate;
The base station is connected with the base-station interface plate by u interface, and wireless user's access is provided, and finishes the calling control between wireless user terminal and the optical network unit ONU.
The incorporate group user cut-in method of wire and wireless of the present invention, its step comprises:
1) provides some blocks of base-station interface plates in the optical network unit ONU of existing wired connecting system, be used for being connected with the base station;
2) database on the control board in the optical network unit ONU of the existing wired connecting system of modification is introduced user property, and identifying user is wire user, wireless user or two-shipper user;
3) control board in the optical network unit ONU of existing wired connecting system increases the handling process of wireless traffic.
Incorporate group subscriber access system of a kind of wire and wireless of the present invention and method, do not need to increase once cover PHS system and can in existing wired connecting system, realize access wired, wireless traffic simultaneously, introduce wireless traffic for group user and save substantial contribution.And this system can also realize " No. one, two machines " (wired base and wireless phone jack per line) business easily.The present invention can be widely used in group users such as airport, hospital, enterprise, factories and miness, community, and the wireless mobile communications of group internal localized area is provided.
Description of drawings:
Fig. 1 is the present wired connecting system and the figure that is connected of PHS wireless access system;
Fig. 2 is the installation drawing of the optical network unit ONU of present wired connecting system;
Fig. 3 is the incorporate group subscriber access system schematic diagram of wire and wireless of the present invention;
Fig. 4 is the structural representation of the optical network unit ONU in the incorporate group subscriber access system of wire and wireless of the present invention;
Fig. 5 is the calling service process chart that ONU goes up control board in the connecting system of the present invention;
Fig. 6 is the called service process chart that ONU goes up control board in the connecting system of the present invention;
Fig. 7 is that ONU goes up the registration process flow chart of control board to wireless user terminal in the connecting system of the present invention;
Fig. 8 is that ONU goes up the service switchover process chart of control board to the wireless user in the connecting system of the present invention;
Embodiment:
Below in conjunction with accompanying drawing incorporate group subscriber access system of wire and wireless of the present invention and method are described in further detail:
Fig. 1 is the present wired connecting system and the figure that is connected of PHS wireless access system.The user of wired connecting system is linked into local switch LE by optical network unit ONU and optical line terminal OLT; The user of PHS wireless access system is linked into local switch LE by base station CS, base station controller CSC and Access Network unit ANU.
Fig. 2 is the installation drawing of the optical network unit ONU of present wired connecting system.The wire user interface board is responsible for detecting the dislodging machine state of subscriber line circuit, reports the operation of control board or the requirement of execution control board.Control board is responsible for user's dislodging machine state is directly reported OLT, and the subscriber line circuit port is routed to the OLT distributed time slot, perhaps carries out the operation that OLT requires.Optical Network Terminal OLT is responsible for distributing the time slot of ONU first line of a couplet OLT to ONU, is responsible for simultaneously user index number being converted to the L3 address and being connected with switch by the V5 agreement, perhaps is that user index number and ONU control board are mutual with the L3 address transition.For wire user, the user index that subscriber line circuit number and ONU report OLT number is one to one.
Fig. 3 is the incorporate group subscriber access system schematic diagram of wire and wireless of the present invention.Optical line terminal OLT connects local switch LE by the V5 interface.Optical network unit ONU is connected with optical line terminal OLT by transmission system; ONU includes the professional handling process of control board control, provides the firm and hard existing line user's of line user's interface access, thereby provides base-station interface plate and base station CS communication to realize wireless user's access.The base station is connected with the base-station interface plate by u interface, and wireless user's access is provided, and mainly finishes the calling control between wireless user terminal and the optical network unit ONU, comprises call signaling conversion, radio channel resource distribution etc.
Fig. 4 is that the access way of structural representation wire user of the optical network unit ONU in the integrated group subscriber access system of wire and wireless of the present invention is constant to be increased a kind of veneer base station interface plate it provides transparent transmission that the control panel of ONU and the interface between the base station provides ISDN for the base station the mode connecting system mode by certain communication modes such as dual port RAM and the control panel communication of ONU finish data between ONU control panel and the base station because the realization of wireless traffic is as between sign optical network unit ONU and the optical line terminal OLT being therefore to need the factory number of wireless user terminal and user index number are changed at the control panel of ONU for the wired or wireless characteristic that OLT shielded the user as user's sign with user index number alternately with the factory number of wireless user terminal in order to access on the wireless user ONU
If if table 1 be the upper control panel of ONU in the connecting system of the present invention the user data storehouse the corresponding user index of each user of structure list number and also a wire user sign is arranged and wireless user label so user can be the wireless user of wire user or two machine user namely be wire user be again wireless user user's wireless user label be very then the wireless user label that has corresponding wireless user terminal factory number user in the user data storehouse be false then in the user data storehouse corresponding wireless user terminal factory number be 0 without meaning
User index number The wire user sign Wireless user's sign The wireless user terminal factory number
User 1 call number User 1 wire user sign Wireless user's sign of user 1 User 1 wireless user terminal factory number
User 2 call number User 2 wire user sign Wireless user's sign of user 2 User 2 wireless user terminal factory number
??… ????… ????… ??…
The call number of user n The wire user sign of user n Wireless user's sign of user n The wireless user terminal factory number of user n
Table 1
The core of the incorporate group user cut-in method of wire and wireless of the present invention is that the handling process that increases wireless traffic on the control board of ONU comprises that mainly calling service handling process called service handling process wireless user terminal registration process flow process and wireless user terminal service switchover handling process describe in detail below in conjunction with accompanying drawing
Fig. 5 at first carries out step this this this this this this this this this line user off-hook after ONU goes up control board in the connecting system of the present invention calling service process chart ONU control board receives the message of calling subscriber's off-hook.If the wire user off-hook, then execution in step 502 is to the message of OLT report calling subscriber off-hook; After treating that OLT distributes time slot for this wire user, execution in step 503 continues the wire user port to the OLT distributed time slot.If wireless user's off-hook, then execution in step 504 is carried out authentication to the wireless user earlier, judges whether this wireless user is validated user; After authentication was passed through, execution in step 505 was converted to user index number according to the factory number Query Database of wireless user terminal, and execution in step 506 is to the message of OLT report calling subscriber off-hook then; After treating that OLT distributes time slot for this wireless user, execution in step 507 base station of continuing gives wireless channel that this wireless user distributes to the OLT distributed time slot.
Fig. 6 is the called service process chart that ONU goes up control board in the connecting system of the present invention.After the ONU control board receives the called message of paging that OLT sends, at first execution in step 601 is obtained wire user sign, wireless user's sign and wireless user terminal factory number according to the user index Query Database, execution in step 602 judges whether called subscriber's wire user sign is " very " then, if user's wire user is masked as " very ", then execution in step 603 notice wire user interface boards drive the subscriber line circuit ring, and execution in step 604 judges whether wireless user's sign of called subscriber is " very " then; If user's wire user is masked as " vacation ", execution in step 603 not then, and execution in step 604 judges directly called subscriber's wireless user indicates whether be " very "; Be masked as " very " if judge user's wireless user in the step 604, then execution in step 605 is called according to the factory number Radio Paging of wireless user terminal, and 606 pairs of called subscriber's authentications of execution in step, and execution in step 607 is waited for called subscriber's off-hook then; If user's wireless user is masked as " vacation ", then directly execution in step 607 is waited for called subscriber's off-hook.If the wire user off-hook, then first execution in step 608 is to the message of OLT report called subscriber off-hook, and execution in step 609 continues the wire user port to the OLT distributed time slot again; If wireless user's off-hook, then first execution in step 610 be to the message of OLT report called subscriber off-hook, execution in step 611 continues wireless channel that the base station distributes to the called subscriber to the OLT distributed time slot again.
Fig. 7 is that ONU goes up the registration process flow chart of control board to wireless user terminal in the connecting system of the present invention.After the ONU control board receives the registration message of wireless user terminal, 701 pairs of wireless user's authentications of execution in step at first, execution in step 702 record wireless users' positional information then.Because native system is only at group user, promptly all wireless users are in the coverage of all base stations that same ONU inserts, so all wireless users' positional information all is in same ONU.
Fig. 8 is that ONU goes up the service switchover process chart of control board to the wireless user in the connecting system of the present invention.After the ONU control board receives the call handover request message of wireless user terminal, 801 pairs of wireless user's authentications of execution in step at first, wireless channel before authentication is switched by back execution in step 802 call releases, the wireless channel that will call out after the switching of execution in step 803 is routed to the time slot that OLT distributes to this wireless user then.

Claims (9)

1. incorporate group subscriber access system of wire and wireless comprises: optical line terminal OLT, wire user phone, it is characterized in that, and also comprise: optical network unit ONU, base station CS and wireless user terminal;
Optical line terminal OLT connects local switch LE by the V5 interface; Optical network unit ONU is connected with optical line terminal OLT by transmission system;
Optical network unit ONU comprises control board, wire user interface board and base-station interface plate; The wire user interface board is realized the access of wire user phone, and the base-station interface plate provides being connected between optical network unit ONU and the base station CS; Control board is responsible for the factory number of wireless user terminal and user index number are changed, and user's dislodging machine state is directly reported optical line terminal OLT, and the user is routed to the optical line terminal OLT distributed time slot, perhaps carries out the operation that OLT requires; The wire user interface board links to each other with control board by communication channel with the base-station interface plate;
The base station is connected with the base-station interface plate by u interface, and wireless user's access is provided, and finishes the calling control between wireless user terminal and the optical network unit ONU.
2. the incorporate group subscriber access system of wire and wireless according to claim 1, it is characterized in that, described base-station interface plate provides the mode connecting system of ISDN for the base station, and carries out communication with the control board of ONU, finishes transparent data transmission between ONU control board and the base station.
3. the incorporate group subscriber access system of wire and wireless according to claim 1 and 2 is characterized in that, comprises the structure list of a customer data base in the described control board, each attribute of user in the storage system.
4. the incorporate group subscriber access system of wire and wireless according to claim 3, it is characterized in that, the corresponding user index of each system user number, wire user sign, wireless user's sign in the structure list of described customer data base, the wireless user terminal factory number; The wireless user terminal factory number of wire user is 0.
5. incorporate group user cut-in method of wire and wireless is characterized in that performing step comprises:
1) in the optical network unit ONU of existing wired connecting system, increases some blocks of base-station interface plates, be used for being connected with the base station;
2) database on the control board in the optical network unit ONU of the existing wired connecting system of modification is introduced user property, and identifying user is wire user, wireless user or two-shipper user;
3) in the control board of the optical network unit ONU of existing wired connecting system, increase the handling process of wireless traffic.
6. the incorporate group user cut-in method of wire and wireless according to claim 5 is characterized in that, the calling service handling process of control board is in the described step 3) optical network unit ONU:
After the ONU control board receives the message of calling subscriber's off-hook, at first judge it is wire user off-hook or wireless user's off-hook (501);
If the wire user off-hook is then to the message (502) of OLT report calling subscriber off-hook; After treating that OLT distributes time slot for this wire user, the wire user port that continues is to OLT distributed time slot (503);
If wireless user's off-hook then earlier carries out authentication (504) to the wireless user, judge whether this wireless user is validated user; After authentication is passed through, be converted to user index number (505), then to the message (506) of OLT report calling subscriber off-hook according to the factory number Query Database of wireless user terminal; After treating that OLT distributes time slot for this wireless user, the base station of continuing gives the wireless channel of this wireless user's distribution to OLT distributed time slot (507).
7. the incorporate group user cut-in method of wire and wireless according to claim 5 is characterized in that, the called service handling process of control board is in the described step 3) optical network unit ONU:
After the ONU control board receives the called message of paging that OLT sends, at first obtain the factory number (601) of wire user sign, wireless user's sign and wireless user terminal according to the user index Query Database;
Whether the wire user sign of judging the called subscriber then is " very " (602);
If user's wire user is masked as " very ", then notify the wire user interface board to drive subscriber line circuit ring (603), judge then whether wireless user's sign of called subscriber is " very " (604);
If user's wire user is masked as " vacation ", judge directly then whether wireless user's sign of called subscriber is " very " (604);
If user's wireless user is masked as " very ",, wait for called subscriber's off-hook (607) then then according to the factory number Radio Paging of wireless user terminal called (605), and to called subscriber's authentication (606);
If user's wireless user is masked as " vacation ", then directly wait for called subscriber's off-hook (607);
If the wire user off-hook, then earlier to the message (608) of OLT report called subscriber off-hook, the wire user port that continues again is to OLT distributed time slot (609);
If wireless user's off-hook, then earlier to the message (610) of OLT report called subscriber off-hook, the wireless channel that the base station of continuing is again distributed to the called subscriber is to OLT distributed time slot (611).
8. the incorporate group user cut-in method of wire and wireless according to claim 5, it is characterized in that, wireless user terminal registration process flow process in the handling process of described step 3) wireless traffic is: after the ONU control board receives the registration message of wireless user terminal, at first, write down wireless user's positional information (702) then to wireless user's authentication (701).
9. the incorporate group user cut-in method of wire and wireless according to claim 5, it is characterized in that, wireless user terminal service switchover handling process in the handling process of described step 3) wireless traffic is: after the ONU control board receives the call handover request message of wireless user terminal, at first to wireless user's authentication (801), authentication is switched preceding wireless channel (802) by the back call release; The wireless channel that to call out then after switching is routed to the time slot (803) that OLT distributes to this wireless user.
CN021121672A 2002-06-18 2002-06-18 Wire and wireless integrated group subscriber access system and method Expired - Lifetime CN100407719C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN021121672A CN100407719C (en) 2002-06-18 2002-06-18 Wire and wireless integrated group subscriber access system and method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN021121672A CN100407719C (en) 2002-06-18 2002-06-18 Wire and wireless integrated group subscriber access system and method

Publications (2)

Publication Number Publication Date
CN1464710A true CN1464710A (en) 2003-12-31
CN100407719C CN100407719C (en) 2008-07-30

Family

ID=29742071

Family Applications (1)

Application Number Title Priority Date Filing Date
CN021121672A Expired - Lifetime CN100407719C (en) 2002-06-18 2002-06-18 Wire and wireless integrated group subscriber access system and method

Country Status (1)

Country Link
CN (1) CN100407719C (en)

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006010337A1 (en) * 2004-07-30 2006-02-02 Jun Yu A communication network system and method of merging wireless mobile and wired uncontinuous mobile into one network
WO2006105737A1 (en) * 2005-04-07 2006-10-12 Huawei Technologies Co., Ltd. An integrative access system of wireless and wired network
WO2007115503A1 (en) * 2006-04-10 2007-10-18 Huawei Technologies Co., Ltd. A communication access apparatus
CN100396041C (en) * 2005-09-01 2008-06-18 华为技术有限公司 Wireless and wired integrated access network communication system
CN100442737C (en) * 2005-09-01 2008-12-10 华为技术有限公司 Multi-mode wire network communication system
CN100466798C (en) * 2005-09-01 2009-03-04 华为技术有限公司 Multi-mode wireless network communication system
CN101790254A (en) * 2010-02-12 2010-07-28 候万春 Mobile phone terminal and system for supporting group communication and method thereof
CN101374046B (en) * 2007-08-23 2011-01-05 中兴通讯股份有限公司 Method for implementing user port orientation on wideband access equipment
CN1728565B (en) * 2004-07-30 2011-04-13 俞隽 Use device and method possessing function of wired discontinuous mobile communication
CN1728577B (en) * 2004-07-30 2012-06-20 俞隽 Switching method and system based on wired discontinuous mobile communication technique
CN101755410B (en) * 2007-06-15 2013-04-03 诺斯匹克光学科技公司 Passive optical network system for the delivery of bi-directional RF services
WO2020161527A3 (en) * 2019-02-10 2021-05-06 احمد محمد سيد Wireless wired exchange

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1053306C (en) * 1995-07-13 2000-06-07 深圳市华为技术有限公司 Mixed style comprehensive business connecting net work equipment and method for forming the net work
US6606430B2 (en) * 2000-09-05 2003-08-12 Optical Zonu Corporation Passive optical network with analog distribution

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1728565B (en) * 2004-07-30 2011-04-13 俞隽 Use device and method possessing function of wired discontinuous mobile communication
WO2006010337A1 (en) * 2004-07-30 2006-02-02 Jun Yu A communication network system and method of merging wireless mobile and wired uncontinuous mobile into one network
CN1728577B (en) * 2004-07-30 2012-06-20 俞隽 Switching method and system based on wired discontinuous mobile communication technique
WO2006105737A1 (en) * 2005-04-07 2006-10-12 Huawei Technologies Co., Ltd. An integrative access system of wireless and wired network
US8208971B2 (en) 2005-04-07 2012-06-26 Huawei Technologies Co., Ltd. Integrated access system of wireless and wired network
CN100421400C (en) * 2005-04-07 2008-09-24 华为技术有限公司 Integrative access system of wireless and wired network
CN100396041C (en) * 2005-09-01 2008-06-18 华为技术有限公司 Wireless and wired integrated access network communication system
CN100466798C (en) * 2005-09-01 2009-03-04 华为技术有限公司 Multi-mode wireless network communication system
CN100442737C (en) * 2005-09-01 2008-12-10 华为技术有限公司 Multi-mode wire network communication system
WO2007115503A1 (en) * 2006-04-10 2007-10-18 Huawei Technologies Co., Ltd. A communication access apparatus
CN101755410B (en) * 2007-06-15 2013-04-03 诺斯匹克光学科技公司 Passive optical network system for the delivery of bi-directional RF services
CN101374046B (en) * 2007-08-23 2011-01-05 中兴通讯股份有限公司 Method for implementing user port orientation on wideband access equipment
CN101790254A (en) * 2010-02-12 2010-07-28 候万春 Mobile phone terminal and system for supporting group communication and method thereof
CN101790254B (en) * 2010-02-12 2013-07-24 候万春 Mobile phone terminal and system for supporting group communication and method thereof
WO2020161527A3 (en) * 2019-02-10 2021-05-06 احمد محمد سيد Wireless wired exchange

Also Published As

Publication number Publication date
CN100407719C (en) 2008-07-30

Similar Documents

Publication Publication Date Title
CN100570636C (en) Transmit the method and system of distribution by wireless transmission
CN101374355B (en) Method and apparatus for implementing local exchange
CN1464710A (en) Wire and wireless integrated group subscriber access system and method
CN101156478B (en) Addressing method for radio news in cluster system
CN101553055A (en) A mobile terminal communication method and the mobile terminal
CN1859594A (en) Method and device for displaying communication number
CN100544507C (en) Realize the method for roaming control and roam charge in a kind of group system
CN101953188B (en) Method and apparatus for processing multi-channel request subscription under service management platform
CN1635713A (en) Method for switching on different Blue Tooth access points for Blue Tooth network structure and Blue Tooth terminal
CN100508637C (en) Active group call listening method and system
CN101557442A (en) Method and system for merging call center and third-party industry application server
US5640443A (en) Movable telephone communication system
CN1115197A (en) A method and system for providing supplementary services to a mobile station
CN1799248A (en) System and method for group restricted access of a shared access controller
WO2005094088A1 (en) A home location register system of supportting multi of network type user
CN1339925A (en) Service equipment for public and speical mobile communication network
CN106162940A (en) A kind of multichannel data connection management method, system and mobile terminal
CN100377619C (en) Roaming limitation method
CN101197879B (en) Method and device for calling users with the same names
CN1992965B (en) System for implementing group call service and method for implementing group call service
CN101146364A (en) A roaming restriction method
CN100352214C (en) Calling method for controlling and distributing protocol mode wide area virtual network
CN102281362B (en) Value-added service providing method, device and system
CN1080967C (en) Multifunctional automatic number inquiring system series for program-controlled telephone
CN100479447C (en) Dialogue processing method for business processing ability application part in distribution type system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
EE01 Entry into force of recordation of patent licensing contract

Assignee: Nanjing Zhongxing Software Co., Ltd.

Assignor: ZTE Corp.

Contract record no.: 2011320000217

Denomination of invention: Wire and wireless integrated group subscriber access system and method

Granted publication date: 20080730

License type: Exclusive License

Open date: 20031231

Record date: 20110310

CX01 Expiry of patent term
CX01 Expiry of patent term

Granted publication date: 20080730