WO2005081559A1 - 移動加入者網、及びリソース管理方法 - Google Patents
移動加入者網、及びリソース管理方法 Download PDFInfo
- Publication number
- WO2005081559A1 WO2005081559A1 PCT/JP2005/002717 JP2005002717W WO2005081559A1 WO 2005081559 A1 WO2005081559 A1 WO 2005081559A1 JP 2005002717 W JP2005002717 W JP 2005002717W WO 2005081559 A1 WO2005081559 A1 WO 2005081559A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- line
- subscriber
- management table
- lines
- network
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/82—Miscellaneous aspects
- H04L47/824—Applicable to portable or mobile terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/10—Flow control; Congestion control
- H04L47/15—Flow control; Congestion control in relation to multipoint traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
- H04L47/762—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/76—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions
- H04L47/765—Admission control; Resource allocation using dynamic resource allocation, e.g. in-call renegotiation requested by the user or requested by the network in response to changing network conditions triggered by the end-points
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L47/00—Traffic control in data switching networks
- H04L47/70—Admission control; Resource allocation
- H04L47/80—Actions related to the user profile or the type of traffic
- H04L47/808—User-type aware
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
Definitions
- the present invention relates to a configuration and operation method of a subscriber network, and more particularly to dynamic resource management in a mobile subscriber network in which each subscriber can occupy a plurality of lines.
- Air H “128kbps service (http: ⁇ www.ddipocket.co.jp / data / i_air.html) provided by DDI Pocket Inc.
- This technology provides 128 kbps packet communication service by bundling up to four 32 kbps lines using ISDN lines at wireless base stations.
- a control device on a radio access network is used to dynamically allocate resources to lines according to control parameters such as resource occupation status and radio link quality.
- Each of the user terminal devices (UE) lOl-l to 101-3 is connected by radio link to any of the base stations 102-1 to 102-4 within the access range.
- the radio network control units (RNCs) 103-1 and 103-2 manage radio resources on the radio network subsystems (RNSs 104-1 and 104-2) to which they belong.
- the packet access control node (SGSN) 105-1 to 105-2 grasps which RNS each UE belongs to, and issues a request for setting, changing, and releasing a radio access line to the RNC. No RNC It allocates resources for each line according to the line resource availability and the priority of the request from the SGSN, and notifies the SGSN of the result.
- the GGSN 106 functions as a gateway 'node to the external network 108, and is connected to the SGSN through the packet switching core network 107.
- HLR home location register
- the SGSN obtains the subscriber information of the UE from the HLR.
- the attached UE can request the SGSN to start a session.
- Detailed attributes of the requesting session are exchanged in a data set called the PDP context.
- the SGSN Upon receiving the request from the UE, the SGSN refers to the request conditions in the PDP context and the subscriber information obtained from the HLR and sends a resource allocation request to the RNC. Accepting new line settings or maintaining all in-use lines If it becomes difficult due to lack of S resources, lines with lower priority are disconnected.
- Patent Document 1 JP-A-9-200253
- Patent Document 2 Japanese Patent Application Laid-Open No. 11-203228
- Patent Document 3 JP-A-2002-2171300
- Patent Documents 1, 2, and 3 support high-speed movement and can dynamically control resource allocation on the network side. There was a problem that services using multiple lines were not specified.
- the present invention has been made in view of the above problems, and has as its object to set and comply with service conditions for each subscriber, and to allow a single subscriber to occupy a plurality of lines. It is an object of the present invention to provide a technology capable of constructing a network of persons. Means for solving the problem
- a first invention for solving the above-mentioned problems is provided in a mobile subscriber network
- a line management table for maintaining a many-to-one correspondence between a line termination and a subscriber, and a means for dynamically updating a new line request or a change in network state in the line management table;
- a second invention for solving the above-mentioned problem is the first invention according to the first invention, wherein a line setting request from a subscriber or a handover of a line in use is performed based on the line management table from the subscriber. It is characterized by having means for referring to the state of the line and calculating the number of lines or the band that can be used by the subscriber.
- a third invention for solving the above-mentioned problems is a method according to the first or second invention, wherein a means for calculating a line to be disconnected based on a line management table when disconnecting a line activated by the fixed network is provided. It is characterized by having.
- a fourth invention for solving the above-mentioned problem is that in any one of the first to third inventions described above, further comprising means for changing a resource allocation priority of a line affected by updating the line management table. It is characterized.
- a fifth invention for solving the above-mentioned problems is the invention according to any one of the first to fourth inventions, wherein the update of the line management table is reflected in the resource allocation to each line by communicating with the line setting means. It is characterized by having means for causing it to.
- a sixth invention for solving the above-mentioned problems is a means according to any one of the first to fourth inventions, wherein the update of the line management table is reflected in the resource allocation to each line by communicating with the line termination. It is characterized by having.
- a seventh invention for solving the above-mentioned problem is the invention according to any one of the first to sixth inventions, wherein a service condition of a subscriber is held in a line management table, and the service condition is reflected in resource allocation. It is characterized by having means.
- An eighth invention for solving the above problems is a resource management method,
- a ninth invention for solving the above-mentioned problems is the ninth invention according to the eighth invention, wherein a line setting request from a subscriber or a handover of a line being used is performed based on the line management table from the subscriber. A step of calculating the number of lines or a band available to the subscriber by referring to a state of the line.
- a step of calculating a line to be disconnected based on the line management table when disconnecting a line activated by the fixed network is performed. It is characterized by having.
- An eleventh invention for solving the above-mentioned problems is a method according to any one of the eighth to tenth inventions, further comprising the step of changing a resource allocation priority of a line affected by updating the line management table. It is characterized by the following.
- a twelfth invention for solving the above-mentioned problems is the invention according to any one of the eighth to eleventh inventions, wherein the line management table is updated based on the information on the network side, and this is updated to the resource for each line.
- the method is characterized by having a step of reflecting the assignment.
- a thirteenth invention for solving the above-mentioned problems is the invention according to any one of the eighth to twelfth inventions, wherein the line management table is updated based on the information on the terminal side, and the updated line management table is transmitted to each line. And a step of reflecting the result in the source assignment.
- a subscriber network in which one subscriber can occupy a plurality of lines, which can set and comply with service conditions for each subscriber.
- FIG. 1 is a diagram for explaining a conventional technique.
- FIG. 2 is an example of a configuration of Embodiment 1 of the present invention.
- FIG. 3 is a diagram showing an example of a line management table.
- FIG. 4 is a diagram showing an execution example of the line setting algorithm.
- FIG. 5 is a diagram showing a configuration example of Embodiment 3 of the present invention.
- FIG. 6 is a diagram showing a configuration example of Embodiment 3 of the present invention.
- the state of another line owned by the same subscriber is reflected by referring to a table representing one-to-many correspondence between the subscriber and the line.
- the table is dynamically updated in response to a new line request from a subscriber holding multiple terminal devices or changes in network conditions such as load. This makes it possible to set and comply with service conditions for each subscriber in a subscriber network in which one subscriber occupies multiple lines.
- the number of occupied lines per subscriber is not limited to the number of lines mounted on one terminal
- specific examples will be described.
- Example 1 of the present invention will be described.
- the configuration of the first embodiment shown in FIG. 2 includes a subscriber terminal (UE) 101-1 101-3, a resource management server 203-1 203-3, and a resource management server 203-1 203- 3 comprises a plurality of access networks 204-1 204-3, a plurality of line setting servers 205-1 and 205-2, and a subscriber information management server 209.
- UE subscriber terminal
- resource management server 203-1 203-3 comprises a plurality of access networks 204-1 204-3, a plurality of line setting servers 205-1 and 205-2, and a subscriber information management server 209.
- the line setting server 205-1 can communicate with each of the resource management servers 203-1 and 203-2 connected thereto, and the subscriber information management server 209 communicates with each of the line setting servers 205-1. Be trusted.
- the line setting server 205-2 can communicate with each resource management server 203-3 connected thereto, and the subscriber information management server 209 can communicate with each line setting server 205-2.
- the subscriber information management server 209 is a table showing the one-to-many correspondence between the subscriber and the line as shown in FIG. 3, together with the location information and the like of each subscriber terminal (UE) 101-1—101-3. Holds a line management table.
- the line management table stores subscribers, IDs of subscriber terminals (UE) and line IDs, service conditions of each subscriber, and connection states of each line.
- the subscriber information management server 209 uses the configuration such as the attach process in the W-CDMA network to connect the subscriber terminals (UE) 101-1 to 101-3 in the wireless area. It is assumed that all the terminated lines are stored in the line management table. In the line management table, the connection status of an unused line is “standby”. The subscriber can request any number of lines less than the number of all registered lines from the network, and separately set service conditions that are the minimum conditions required to maintain service it can.
- the service condition is represented by, for example, the number of lines or the bandwidth that becomes a threshold as shown in the second row of FIG.
- a plurality of new line setting requests from the subscriber are notified to the subscriber information management server via the corresponding line setting server 205.
- the number of lines requested by the subscriber information management server A set of lines to be set is determined according to the above, and the corresponding plurality of line setting servers 205 are notified of the start of the resource acquisition trial. Also, the connection status of the line that notified the start of the resource acquisition attempt is updated from “standby” to “in trial” at the same time as the notification.
- the attempt to acquire the resource is performed by the line setting server 205 that has received the trial start notification transmitting a resource allocation request to the resource management server 203 in parallel for each line.
- the line setting server 205 When receiving the resource allocation result from the resource management server 203, the line setting server 205 notifies the subscriber information management server 209 of the result.
- the subscriber information management server 209 determines the availability of each line by referring to the service conditions of the corresponding subscriber or the status of other lines belonging to the same subscriber on the line management table. To decide. This decision is notified to the line setting server, and the line setting server 205 that has received the notification performs setting work for the usable line, and performs resource release work for the unavailable line. If you have).
- the algorithm (condition) for determining whether or not the line can be used in the subscriber information management server 209 is arbitrary. For example, the following example can be considered. It is assumed that a threshold line number n is specified as a service condition.
- FIG. 4 shows an execution example of the above algorithm.
- the number of threshold lines is three.
- FIG. 4 shows a message exchange between each server after a certain subscriber requests a new line setting and a change in the connection state of each line on the subscriber information management table.
- the subscriber information management server 400 which first receives the three-line setting request from the subscriber,
- the line setting server 401 is notified of the start of the attempt to secure the resources of the line 1, the line 2 and the line 3, and at this time, the connection states are all updated to "trial".
- the line setting server 401 sends a resource allocation request for the line 1 to the resource management server 402.
- the subscriber information management server 400 determines that all the requested lines are unusable according to the above condition (4), and notifies the line setting server 401 of resource release.
- the line setting server 401 that has received the notification notifies the corresponding resource management servers 402 and 403 of the line 1 that has already secured the resources and the line 3 that is trying to obtain the resources, that the resources have been released.
- the subscriber information management server 400 also detects a change in network state other than a new line setting request through communication with the line setting server 401, and updates the connection status of each affected line. For example, upon an unexpected disconnection, the status is updated from "in use” to "standby". Each time there is a change in the state, the service conditions and the state of the other lines are referred to, and if it is determined that the service cannot be continued, work defined in advance based on the network operator's policy, such as opening all lines, is performed.
- the subscriber information management server can change the priority of the line in use as needed. For example, if the line being used is cut or slowed down, or movement to an access network with more congestion is predicted, and it is judged that maintaining the service conditions of the subscriber with the currently set priority is difficult. In this case, the service conditions can be maintained by changing the priority that is referred to by the resource management server in the event of contention for line resources. The change of the priority is notified to the line setting server, and the line setting server transfers the change to the resource management server corresponding to each line, and the resource management server processes the subsequent resource competition based on the updated priority.
- An advantage of changing the priority during service continuation is that network resources can be effectively used.
- both subscribers A and B having the same priority are using two lines on an access network, and the number of threshold lines is also two. Although four lines are in use in both cases, it is assumed that the resources of the access network can only maintain the current state.
- a higher priority subscriber other than ⁇ and ⁇ requests two new lines, two of the four lines used by ⁇ and ⁇ will be lost.
- subscribers ⁇ and ⁇ may lose one line at a time. In this case, both subscribers' services will be lost.
- the subscriber information management server should make a difference between the priorities of the two subscribers when the resources become insufficient. In this way, the subscriber with the higher priority is protected even if two lines are lost.
- the configuration of the embodiment of FIG. 2 is, as apparent from the comparison with the configuration of FIG. 1, an RNC for the resource management server, an SGSN for the line setting server, and a subscriber information management server for the HLR. Correspondence This is similar to the configuration of a W-CDMA network. Therefore, it is the easiest operation mode for a W-CDMA network administrator to own and manage the resource management server, line setting server, and subscriber information management server.
- the subscriber information management server communicates with a device on the network side to perform arbitration.
- the subscriber information management server communicates with a terminal.
- FIG. 5 shows a configuration example of the second embodiment.
- the subscriber information management server 209 of FIG. 5 has a line management table similar to that of FIG.
- the subscriber information management server shall have means to obtain the location information of each subscriber in order to detect that a plurality of subscribers request the same resource and require arbitration.
- the location information may be obtained by acquiring information such as the access area where each subscriber is located by communicating with the access network 204, or by using a means other than the communication network such as a GPS system.
- Communication means between the subscriber information management server and the terminal is arbitrary, and may be via the mobile communication network 210 or may be independent independent means.
- the subscriber information management server detects contention for resource requests, it adjusts the number of lines that each subscriber can request from the network according to the situation.
- Example 3 of the present invention will be described.
- the third embodiment is characterized in that some or all of the subscribers use an access control device that controls line requests from a plurality of terminals.
- FIG. 6 shows a configuration example of the third embodiment.
- the subscriber information management server 209 detects contention for resource acquisition between subscribers based on location information as in the example shown in the fifth embodiment, and according to the situation, a line that each subscriber can request from the network. Adjust the number.
- the adjustment of the number of required lines for a subscriber who can use the access control device 300 is performed by the subscriber information management server 209 communicating with the access control device 300.
- the access control device 300 instructs each of the connected terminals 101 to release resources and make a line setting request.
Abstract
Description
Claims
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/598,268 US20070195710A1 (en) | 2004-02-23 | 2005-02-21 | Mobile subscriber network and resource management method |
EP05719336A EP1720364A4 (en) | 2004-02-23 | 2005-02-21 | MOBILITY PARTNERS NETWORK AND COMPANY MANAGEMENT PROCEDURES |
JP2006510266A JPWO2005081559A1 (ja) | 2004-02-23 | 2005-02-21 | 移動加入者網、及びリソース管理方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-046006 | 2004-02-23 | ||
JP2004046006 | 2004-02-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005081559A1 true WO2005081559A1 (ja) | 2005-09-01 |
Family
ID=34879427
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/002717 WO2005081559A1 (ja) | 2004-02-23 | 2005-02-21 | 移動加入者網、及びリソース管理方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070195710A1 (ja) |
EP (1) | EP1720364A4 (ja) |
JP (1) | JPWO2005081559A1 (ja) |
KR (1) | KR20060127150A (ja) |
CN (1) | CN1922900A (ja) |
WO (1) | WO2005081559A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007096776A (ja) * | 2005-09-29 | 2007-04-12 | Tokyo Electric Power Co Inc:The | 通信装置 |
JP2010517387A (ja) * | 2007-03-23 | 2010-05-20 | ▲ホア▼▲ウェイ▼技術有限公司 | サービス処理方法およびサービス処理システム、ならびにポリシー制御および料金請求規則機能 |
JP2011101162A (ja) * | 2009-11-05 | 2011-05-19 | Renesas Electronics Corp | データ処理装置及び通信システム |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100933365B1 (ko) * | 2007-09-28 | 2009-12-22 | 한국전자통신연구원 | 액세스 네트워크의 자원 관리 시스템 및 방법 |
US8787159B2 (en) * | 2011-04-14 | 2014-07-22 | Alcatel Lucent | Mechanism for wireless access networks to throttle traffic during congestion |
CN103858517A (zh) | 2011-09-30 | 2014-06-11 | 日本电气株式会社 | 通信系统、方法和装置 |
JP2017535206A (ja) * | 2014-11-19 | 2017-11-24 | 華為技術有限公司Huawei Technologies Co.,Ltd. | メッセージ伝送方法、ユーザ装置、基地局及びシステム |
Citations (4)
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WO1999031823A1 (fr) * | 1997-12-16 | 1999-06-24 | Mitsubishi Denki Kabushiki Kaisha | Procede d'attribution d'un canal radio pour une radiocommunication |
JP2001224059A (ja) * | 2000-02-08 | 2001-08-17 | Sanyo Electric Co Ltd | 無線基地局、移動局および無線通信システム |
JP2002300643A (ja) * | 2001-03-29 | 2002-10-11 | Ntt Comware Corp | 通話品質保証型携帯電話システム |
JP2003179966A (ja) * | 2001-10-01 | 2003-06-27 | Ntt Docomo Inc | リソース制御方法、移動通信システム、基地局及び移動局 |
Family Cites Families (4)
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US6385203B2 (en) * | 1996-03-29 | 2002-05-07 | Cisco Technology, Inc. | Communication server apparatus and method |
AU2002215162B2 (en) * | 2000-10-09 | 2006-07-20 | Qualcomm Incorporated | Radio resource management |
CN1251525C (zh) * | 2001-10-01 | 2006-04-12 | 株式会社Ntt都科摩 | 资源控制方法、移动通信系统、基站和移动站 |
US8037299B2 (en) * | 2002-06-18 | 2011-10-11 | Ericsson Ab | Domain-less service selection |
-
2005
- 2005-02-21 CN CNA2005800057761A patent/CN1922900A/zh active Pending
- 2005-02-21 JP JP2006510266A patent/JPWO2005081559A1/ja active Pending
- 2005-02-21 KR KR1020067016892A patent/KR20060127150A/ko not_active Application Discontinuation
- 2005-02-21 WO PCT/JP2005/002717 patent/WO2005081559A1/ja active Application Filing
- 2005-02-21 EP EP05719336A patent/EP1720364A4/en not_active Withdrawn
- 2005-02-21 US US10/598,268 patent/US20070195710A1/en not_active Abandoned
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
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WO1999031823A1 (fr) * | 1997-12-16 | 1999-06-24 | Mitsubishi Denki Kabushiki Kaisha | Procede d'attribution d'un canal radio pour une radiocommunication |
JP2001224059A (ja) * | 2000-02-08 | 2001-08-17 | Sanyo Electric Co Ltd | 無線基地局、移動局および無線通信システム |
JP2002300643A (ja) * | 2001-03-29 | 2002-10-11 | Ntt Comware Corp | 通話品質保証型携帯電話システム |
JP2003179966A (ja) * | 2001-10-01 | 2003-06-27 | Ntt Docomo Inc | リソース制御方法、移動通信システム、基地局及び移動局 |
Non-Patent Citations (1)
Title |
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See also references of EP1720364A4 * |
Cited By (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007096776A (ja) * | 2005-09-29 | 2007-04-12 | Tokyo Electric Power Co Inc:The | 通信装置 |
JP4732100B2 (ja) * | 2005-09-29 | 2011-07-27 | 東京電力株式会社 | 通信装置 |
JP2010517387A (ja) * | 2007-03-23 | 2010-05-20 | ▲ホア▼▲ウェイ▼技術有限公司 | サービス処理方法およびサービス処理システム、ならびにポリシー制御および料金請求規則機能 |
US8601125B2 (en) | 2007-03-23 | 2013-12-03 | Huawei Technologies Co., Ltd. | Service processing method and system, and policy control and charging rules function |
US9438522B2 (en) | 2007-03-23 | 2016-09-06 | Huawei Technologies Co., Ltd. | Service processing method and system, and policy control and charging rules function |
JP2011101162A (ja) * | 2009-11-05 | 2011-05-19 | Renesas Electronics Corp | データ処理装置及び通信システム |
US8503319B2 (en) | 2009-11-05 | 2013-08-06 | Renesas Electronics Corporation | Data processor and communication system |
Also Published As
Publication number | Publication date |
---|---|
US20070195710A1 (en) | 2007-08-23 |
EP1720364A1 (en) | 2006-11-08 |
EP1720364A4 (en) | 2011-02-09 |
JPWO2005081559A1 (ja) | 2007-10-25 |
CN1922900A (zh) | 2007-02-28 |
KR20060127150A (ko) | 2006-12-11 |
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