WO2012023493A1 - Mobile communication system and home cell wireless base station - Google Patents
Mobile communication system and home cell wireless base station Download PDFInfo
- Publication number
- WO2012023493A1 WO2012023493A1 PCT/JP2011/068384 JP2011068384W WO2012023493A1 WO 2012023493 A1 WO2012023493 A1 WO 2012023493A1 JP 2011068384 W JP2011068384 W JP 2011068384W WO 2012023493 A1 WO2012023493 A1 WO 2012023493A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- base station
- radio base
- home
- cell radio
- home cell
- Prior art date
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/26—Network addressing or numbering for mobility support
Definitions
- the present invention relates to a mobile communication system and a home cell radio base station.
- a home cell radio base station HeNB HeNB that manages a home cell is configured to manage only one home cell.
- FIG. 8 shows the configuration of E-CGI (EUTRAN-Cell Global Identifier) in the LTE system.
- the E-CGI is composed only of a 24-bit “PLMN (Public Land Mobile Network) Identity” and a 28-bit “Cell Identity”.
- PLMN Public Land Mobile Network
- the “Cell Identity” for identifying the macro cell includes the “Macro eNB ID (20 bits)” assigned to the macro cell radio base station eNB that manages the macro cell, and the macro cell radio base station eNB. It is comprised only by "Macro Cell Identity (8 bits)” allocated to the said macro cell.
- Cell Identity for identifying the home cell is configured only by “Home eNB ID (28 bits)” assigned to the home cell radio base station HeNB managing the home cell.
- 3GPP TS36.300 (V9.4.0), “Evolved Universal Terrestrial Radio Access (E-UTRA) and Evolved Universal Radential AccessPharm 6 months”.
- 3GPP TS36.413 (V9.3.0), “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); S1 application protocol (S1AP)”, June 2010
- 3GPP TS36.423 (V9.3.0), “Evolved Universal Terrestrial Radio Access Network (E-UTRAN); X2 application protocol (X2AP)”, June 2010
- the LTE-Advanced system which is the successor system of the LTE system
- a technology such as CA (Carrier Aggregation) can be used, so that the expectation for the home cell radio base station HeNB to manage a plurality of home cells is increased. It is coming.
- CA Carrier Aggregation
- the present invention has been made in view of the above-described problem, and the home cell radio base station HeNB can manage a plurality of home cells without changing the address system of “Home eNB ID”.
- An object is to provide a mobile communication system and a home cell radio base station.
- a first feature of the present invention is a mobile communication system in which a macro cell radio base station that manages a macro cell and a home cell radio base station that manages a home cell are mixed, and the cell identifier for identifying the macro cell is A macro cell radio base station identifier assigned to the macro cell radio base station, and a macro cell identifier assigned to the macro cell in the macro cell radio base station, for identifying the home cell.
- the cell identifier is configured only by the home cell radio base station identifier assigned to the home cell radio base station, and when the home cell radio base station manages a plurality of home cells, Assign multiple home cell radio base station identifiers to cell radio base stations It is summarized as configured.
- a second feature of the present invention is a home cell radio base station for managing a home cell, comprising a management unit configured to manage a cell identifier for identifying the home cell,
- the cell identifier is configured only by the home cell radio base station identifier assigned to the home cell radio base station, and the home cell radio base station, the management unit, the plurality of home cells
- the gist is that it is configured to manage a plurality of home cell radio base station identifiers corresponding to each.
- a cell radio base station can be provided.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
- FIG. 2 is a functional block diagram of the home cell radio base station according to the first embodiment of the present invention.
- FIG. 3 is a diagram illustrating an exemplary format of “S1 Setup Request” and “S1 eNB Configuration Update” used in the mobile communication system according to the first embodiment of the present invention.
- FIG. 4 is a diagram illustrating an exemplary format of “S1 Setup Request” and “S1 eNB Configuration Update” used in the mobile communication system according to the first embodiment of the present invention.
- FIG. 1 is an overall configuration diagram of a mobile communication system according to a first embodiment of the present invention.
- FIG. 2 is a functional block diagram of the home cell radio base station according to the first embodiment of the present invention.
- FIG. 3 is a diagram illustrating an exemplary format of “S1 Setup Request” and “S1 eNB Configuration Update” used in the mobile communication system according to the first embodiment of
- FIG. 5 is a diagram illustrating an example of a format of “X2 Setup Request” and “X2 Setup Response” used in the mobile communication system according to the first embodiment of the present invention.
- FIG. 6 is a diagram illustrating an example of the format of the information element “Served Cell Information” in “X2 Setup Request” and “X2 Setup Response” used in the mobile communication system according to the first embodiment of the present invention.
- FIG. 7 is a diagram illustrating an example of a format of “X2 eNB Configuration Update” used in the mobile communication system according to the first embodiment of the present invention.
- FIG. 8 is a diagram for explaining the configuration of E-CGI in the LTE scheme.
- the mobile communication system includes a mobility management node MME (Mobility Management Entity), a gateway device HeNB-GW, a home cell radio base station HeNB # 1, and a home cell radio.
- MME Mobility Management Entity
- HeNB-GW Gateway Device
- HeNB # 1 home cell radio base station
- eNB # 1 home cell radio base station
- the home cell radio base station HeNB # 1 is accommodated in the gateway device HeNB-GW, and is configured to manage the home cells # 11 / # 12.
- the home cell radio base station HeNB # 2 is accommodated in the mobility management node MME without going through the gateway device HeNB-GW, and is configured to manage the home cell # 20.
- the macro cell radio base station eNB # 1 is accommodated in the mobility management node MME without going through the gateway device HeNB-GW, and is configured to manage the macro cell # 1.
- the gateway device HeNB-GW between the gateway device HeNB-GW, between the gateway device HeNB-GW and the mobility management node MME, between the home cell radio base station HeNB # 2 and the mobility management node MME.
- the macro cell radio base station eNB # 1 and the mobility management node MME are configured to be connected via an S1 interface.
- the home cell radio base station HeNB # 1 includes a management unit 11, an S1 interface 12, and an X2 interface 13.
- the home cell radio base station HeNB # 1 is configured to manage a plurality of home cells # 11 / # 12.
- the mobile communication system is configured to assign a plurality of “Home eNB IDs (28 bits)” to the home cell radio base station HeNB # 1.
- the mobile communication system assigns “# 11” as “Home eNB ID” corresponding to the home cell # 11 to the home cell radio base station HeNB # 1, and assigns it to the home cell # 12.
- “# 12” is assigned as the corresponding “Home eNB ID”.
- the management unit 11 is configured to manage “Cell Identity” for identifying home cells # 11 / # 12 managed by the home cell radio base station HeNB # 1.
- the “Cell Identity” for identifying the home cell # 11 is configured by the “Home eNB ID” corresponding to the home cell # 11, and the “Cell Identity” for identifying the home cell # 12 is And “Home eNB ID” corresponding to the home cell # 12.
- the S1 interface 12 serves as an interface with the gateway device HeNB-GW (or the mobility management node MME).
- the S1 interface 12 is configured to notify a plurality of “Home eNB IDs” assigned to the home cell radio base station HeNB # 1 by “S1 Setup Request” or “S1 eNB Configuration Update”. It may be.
- the S1 interface 12 has one “S1 Setup Request” or “S1 eNB Configuration Update” stipulated in 3GPP TS36.413.
- Home eNB ID (# 11) is configured to be notified.
- E-CGI for identifying the home cell # 11 is set in the information element “Global eNB ID”.
- the S1 interface 12 expands the “S1 Setup Request” or “S1 eNB Configuration Update” to newly provide an information element “HeNB Global eNB IDs”.
- the remaining “Home eNB ID (# 12)” is notified by the “Global eNB ID” in the “HeNB Global eNB IDs”.
- E-CGI for identifying home cell # 12 is set in “Global eNB ID” in the information element “Global eNB IDs of HeNB”.
- the S1 interface 12 extends the information element “HeNB Global eNB IDs” by extending “S1 Setup Request” or “S1 eNB Configuration Update” defined in 3GPP TS36.413. May be configured to notify all “Home eNB IDs (# 11 / # 12)” by “Global eNB ID” in the information element “Global eNB IDs of HeNB”. .
- E-CGI for identifying home cells # 11 / # 12 is set in the information element “Global eNB ID”.
- the X2 interface 13 serves as an interface with the surrounding home cell radio base station HeNB # 2 (or the surrounding macro cell radio base station eNB # 1).
- the X2 interface 13 receives a plurality of “Home eNB IDs” assigned to the home cell radio base station HeNB # 1 by “X2 Setup Request”, “X2 Setup Response” or “X2 eNB Configuration Update”. It may be configured to notify.
- the X2 interface 13 extends the “X2 Setup Request” or “X2 Setup Response” defined in 3GPP TS36.423, and newly adds an information element “Equivalent Served Cells”. It may be provided.
- the X2 interface 13 uses the information element “Cell ID” in the information element “Served Cell Information” in the information element “Equivalent Server Cells” to generate all “Home eNB IDs”. (# 11 / # 12) "may be notified.
- E-CGI for identifying home cells # 11 / # 12 is set in the information element “Cell ID”.
- the X2 interface 13 uses the information element “ECGI” in the information element “Equivalent Neighbor Information” in the information element “Equivalent Served Cells” to the surrounding home cell radio base stations HeNB. It may be configured to notify all the “Home eNB ID” assigned to it.
- E-CGI for identifying a home cell managed by a surrounding home cell radio base station HeNB is set.
- the X2 interface 13 extends the “X2 eNB Configuration Update” defined in TS36.423 of 3GPP to expand the information element “Equivalent Served Cells To Add” or “Equivalent Served Cells”. “Modify” and “Equivalent Served Cells To Delete” may be newly provided.
- the X2 interface 13 is connected to the information element “Equivalent Served Cells To Add”, “Equivalent Served Cells To Modify”, or “Equivalent Served Cell Information ToD” element in the “Celved Served Cell Information” element.
- the “Home eNB ID (# 11 / # 12)” corresponding to the corresponding home cell may be notified by the information element “Cell ID” in the “Information”.
- E-CGI for identifying the target home cell # 11 / # 12 is set in the information element “Cell ID”.
- the X2 interface 13 is included in the information element “Served Cell Information” in the information element “Served Cells” in the “X2 Setup Request” or “X2 Setup Response” received from the neighboring home cell radio base station HeNB # 2. Even if the information element “Cell ID” includes a different “Home eNB ID”, the home cell specified by the “Cell ID” is the same home cell radio base station HeNB # 2. It may be configured to be regarded as a home cell managed by.
- the home cell radio base station HeNB # 1 manages a plurality of home cells # 11 / # 12, the home cell radio base station HeNB # 1 Then, a plurality of “Home eNB IDs (# 11 / # 12)” are allocated, and the home cell radio base station HeNB # 1 is assigned to the mobile management node MME, the gateway device HeNB-GW, and the surrounding home cell radio bases. Since it is configured to notify the station HeNB # 2 and the like of such a plurality of “Home eNB IDs (# 11 / # 12)”, for the home cell without changing the address system of the “Home eNB ID”
- the radio base station HeNB can manage a plurality of home cells.
- the first feature of the present embodiment is that the mobile communication system in which the macro cell radio base station eNB # 1 that manages the macro cell # 1 and the home cell radio base station HeNB # 1 that manages the home cell # 11 / # 12 coexists.
- the "Cell Identity (cell identifier)" for identifying the macro cell # 1 is the "Macro eNB ID (macro cell radio base station identifier)" assigned to the macro cell radio base station eNB # 1 and the macro cell.
- Micro Cell Identity (macro cell identifier)” assigned to the macro cell # 1 in the wireless base station eNB # 1
- Cell Identity for identifying the home cell # 11 / # 12 is Assigned to home cell radio base station HeNB # 1 If the home cell radio base station HeNB # 1 manages a plurality of home cells # 11 / # 12, the home cell eNB ID (home cell radio base station identifier) is used. The gist is that a plurality of “Home eNB IDs” are assigned to the radio base station HeNB # 1.
- the home cell radio base station HeNB # 1 transmits “S1 Setup Request (connection setting request)” or “S1 eNB Configuration” to the mobility management node MME or the gateway device HeNB-GW. It may be configured to notify a plurality of assigned “Home eNB IDs” by “Update (setting change notification)”.
- the home cell radio base station HeNB # 1 sends an “X2 Setup Request (connection setting request)” and “X2 Setup Response (connection) to the neighboring radio base station HeNB # 2. It may be configured to notify a plurality of assigned “Home eNB IDs” by “setting response)” or “X2 eNB Configuration Update (setting change notification)”.
- a second feature of the present embodiment is a home cell radio base station HeNB # 1 that manages the home cell # 11 / # 12, and includes “Cell Identity” for identifying the home cell # 11 / # 12.
- the management unit 11 is configured to manage, and the “Cell Identity” is configured only by the “Home eNB ID” assigned to the home cell radio base station HeNB # 1, and is used for the home cell.
- the radio base station HeNB # 1 manages a plurality of home cells # 11 / # 12
- the management unit 11 manages a plurality of “Home eNB IDs” corresponding to each of the plurality of home cells # 11 / # 12.
- the gist of the configuration is as follows.
- An S1 interface 12 (first interface) configured to notify the “eNB ID” may be provided.
- the management unit 11 manages the neighboring radio base station HeNB # 2 by “X2 Setup Request”, “X2 Setup Response”, or “X2 eNB Configuration Update”.
- An X2 interface 12 (second interface) configured to notify a plurality of “Home eNB IDs” may be provided.
- the operations of the mobility management node MME, the gateway device HeNB-GW, the home cell radio base station HeNB, the macro cell radio base station eNB, and the mobile station UE described above may be implemented by hardware or executed by a processor. May be implemented by a software module that is implemented, or may be implemented by a combination of both.
- the software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM).
- RAM Random Access Memory
- flash memory ROM (Read Only Memory)
- EPROM Erasable Programmable ROM
- EEPROM Electrically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM.
- it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
- the storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the mobility management node MME, the gateway device HeNB-GW, the home cell radio base station HeNB, the macro cell radio base station eNB, or the mobile station UE. Further, the storage medium and the processor may be provided as a discrete component in the mobility management node MME, the gateway device HeNB-GW, the home cell radio base station HeNB, the macro cell radio base station eNB, or the mobile station UE.
- UE ... mobile station MME ... mobile management node HeNB-GW ... gateway device HeNB ... home cell radio base station eNB ... macro cell radio base station 11 ... management unit 12 ... S1 interface 13 ... X2 interface
Landscapes
- Engineering & Computer Science (AREA)
- Databases & Information Systems (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
A home cell wireless base station (HeNB#1) is provided with a management unit (11) configured so as to manage "Cell Identities" which are for recognition of home cells (#11/#12), wherein a "Cell Identity" is configured solely from a "Home eNB ID" assigned to the home cell wireless base station (HeNB#1) and is configured such that if the home cell wireless base station (HeNB#1) manages multiple home cells (#11/#12), the management unit (11) manages multiple "Home eNB IDs" corresponding to the respective multiple home cells (#11/#12).
Description
本発明は、移動通信システム及びホームセル用無線基地局に関する。
The present invention relates to a mobile communication system and a home cell radio base station.
現在のＬＴＥ（Ｌｏｎｇ Ｔｅｒｍ Ｅｖｏｌｕｔｉｏｎ）方式では、ホームセルを管理するホームセル用無線基地局ＨｅＮＢ（Ｈｏｍｅ ｅＮＢ）は、１つのホームセルしか管理することができないように構成されている。
In the current LTE (Long Term Evolution) system, a home cell radio base station HeNB (Home eNB) that manages a home cell is configured to manage only one home cell.
図８に、ＬＴＥ方式におけるＥ-ＣＧＩ（ＥＵＴＲＡＮ-Ｃｅｌｌ Ｇｌｏｂａｌ Ｉｄｅｎｔｉｆｉｅｒ）の構成について示す。
FIG. 8 shows the configuration of E-CGI (EUTRAN-Cell Global Identifier) in the LTE system.
図８に示すように、Ｅ-ＣＧＩは、２４ビットの「ＰＬＭＮ（Ｐｕｂｌｉｃ Ｌａｎｄ Ｍｏｂｉｌｅ Ｎｅｔｗｏｒｋ） Ｉｄｅｎｔｉｔｙ」、及び、２８ビットの「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」のみによって構成されている。
As shown in FIG. 8, the E-CGI is composed only of a 24-bit “PLMN (Public Land Mobile Network) Identity” and a 28-bit “Cell Identity”.
ここで、マクロセルを識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」は、かかるマクロセルを管理するマクロセル用無線基地局ｅＮＢに割り当てられている「Ｍａｃｒｏ ｅＮＢ ＩＤ（２０ビット）」、及び、かかるマクロセル用無線基地局ｅＮＢ内で当該マクロセルに割り当てられている「Ｍａｃｒｏ Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ（８ビット）」のみによって構成されている。
Here, the “Cell Identity” for identifying the macro cell includes the “Macro eNB ID (20 bits)” assigned to the macro cell radio base station eNB that manages the macro cell, and the macro cell radio base station eNB. It is comprised only by "Macro Cell Identity (8 bits)" allocated to the said macro cell.
一方、ホームセルを識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」は、かかるホームセルを管理するホームセル用無線基地局ＨｅＮＢに割り当てられている「Ｈｏｍｅ ｅＮＢ ＩＤ（２８ビット）」のみによって構成されている。
On the other hand, “Cell Identity” for identifying the home cell is configured only by “Home eNB ID (28 bits)” assigned to the home cell radio base station HeNB managing the home cell.
しかしながら、ＬＴＥ方式の後継方式であるＬＴＥ-Ａｄｖａｎｃｅｄ方式では、ＣＡ（Ｃａｒｒｉｅｒ Ａｇｇｒｅｇａｔｉｏｎ）等の技術を用いることができるため、ホームセル用無線基地局ＨｅＮＢが複数のホームセルを管理することに対する期待が高まってきている。
However, in the LTE-Advanced system, which is the successor system of the LTE system, a technology such as CA (Carrier Aggregation) can be used, so that the expectation for the home cell radio base station HeNB to manage a plurality of home cells is increased. It is coming.
そこで、本発明は、上述の課題に鑑みてなされたものであり、「Ｈｏｍｅ ｅＮＢ ＩＤ」のアドレス体系を変更することなく、ホームセル用無線基地局ＨｅＮＢが、複数のホームセルを管理することができる移動通信システム及びホームセル用無線基地局を提供することを目的とする。
Therefore, the present invention has been made in view of the above-described problem, and the home cell radio base station HeNB can manage a plurality of home cells without changing the address system of “Home eNB ID”. An object is to provide a mobile communication system and a home cell radio base station.
本発明の第１の特徴は、マクロセルを管理するマクロセル用無線基地局及びホームセルを管理するホームセル用無線基地局が混在する移動通信システムであって、前記マクロセルを識別するためのセル識別子は、前記マクロセル用無線基地局に割り当てられているマクロセル用無線基地局識別子及び該マクロセル用無線基地局内で該マクロセルに割り当てられているマクロセル識別子のみによって構成されており、前記ホームセルを識別するためのセル識別子は、前記ホームセル用無線基地局に割り当てられているホームセル用無線基地局識別子のみによって構成されており、前記ホームセル用無線基地局が、複数のホームセルを管理する場合、該ホームセル用無線基地局に対して、複数のホームセル用無線基地局識別子を割り当てるように構成されていることを要旨とする。
A first feature of the present invention is a mobile communication system in which a macro cell radio base station that manages a macro cell and a home cell radio base station that manages a home cell are mixed, and the cell identifier for identifying the macro cell is A macro cell radio base station identifier assigned to the macro cell radio base station, and a macro cell identifier assigned to the macro cell in the macro cell radio base station, for identifying the home cell. The cell identifier is configured only by the home cell radio base station identifier assigned to the home cell radio base station, and when the home cell radio base station manages a plurality of home cells, Assign multiple home cell radio base station identifiers to cell radio base stations It is summarized as configured.
本発明の第２の特徴は、ホームセルを管理するホームセル用無線基地局であって、前記ホームセルを識別するためのセル識別子を管理するように構成されている管理部を具備し、前記セル識別子は、前記ホームセル用無線基地局に割り当てられているホームセル用無線基地局識別子のみによって構成されており、前記ホームセル用無線基地局が、前記管理部は、該複数のホームセルの各々に対応する複数の前記ホームセル用無線基地局識別子を管理するように構成されていることを要旨とする。
A second feature of the present invention is a home cell radio base station for managing a home cell, comprising a management unit configured to manage a cell identifier for identifying the home cell, The cell identifier is configured only by the home cell radio base station identifier assigned to the home cell radio base station, and the home cell radio base station, the management unit, the plurality of home cells The gist is that it is configured to manage a plurality of home cell radio base station identifiers corresponding to each.
以上説明したように、本発明によれば、「Ｈｏｍｅ ｅＮＢ ＩＤ」のアドレス体系を変更することなく、ホームセル用無線基地局ＨｅＮＢが、複数のホームセルを管理することができる移動通信システム及びホームセル用無線基地局を提供することができる。
As described above, according to the present invention, a mobile communication system and a home in which the home cell radio base station HeNB can manage a plurality of home cells without changing the address system of “Home eNB ID”. A cell radio base station can be provided.
（本発明の第１の実施形態に係る移動通信システム）
図１乃至図７を参照して、本発明の第１の実施形態に係る移動通信システムについて説明する。 (Mobile communication system according to the first embodiment of the present invention)
With reference to FIG. 1 thru | or FIG. 7, the mobile communication system which concerns on the 1st Embodiment of this invention is demonstrated.
図１乃至図７を参照して、本発明の第１の実施形態に係る移動通信システムについて説明する。 (Mobile communication system according to the first embodiment of the present invention)
With reference to FIG. 1 thru | or FIG. 7, the mobile communication system which concerns on the 1st Embodiment of this invention is demonstrated.
図１に示すように、本実施形態に係る移動通信システムは、移動管理ノードＭＭＥ（Ｍｏｂｉｌｉｔｙ Ｍａｎａｇｅｍｅｎｔ Ｅｎｔｉｔｙ）と、ゲートウェイ装置ＨｅＮＢ-ＧＷと、ホームセル用無線基地局ＨｅＮＢ＃１と、ホームセル用無線基地局ＨｅＮＢ＃２と、マクロセル用無線基地局ｅＮＢ＃１とを具備している。
As illustrated in FIG. 1, the mobile communication system according to the present embodiment includes a mobility management node MME (Mobility Management Entity), a gateway device HeNB-GW, a home cell radio base station HeNB # 1, and a home cell radio. A base station HeNB # 2 and a macro cell radio base station eNB # 1 are provided.
ホームセル用無線基地局ＨｅＮＢ＃１は、ゲートウェイ装置ＨｅＮＢ-ＧＷに収容されており、ホームセル＃１１/＃１２を管理するように構成されている。
The home cell radio base station HeNB # 1 is accommodated in the gateway device HeNB-GW, and is configured to manage the home cells # 11 / # 12.
ホームセル用無線基地局ＨｅＮＢ＃２は、ゲートウェイ装置ＨｅＮＢ-ＧＷを介することなく、移動管理ノードＭＭＥに収容されており、ホームセル＃２０を管理するように構成されている。
The home cell radio base station HeNB # 2 is accommodated in the mobility management node MME without going through the gateway device HeNB-GW, and is configured to manage the home cell # 20.
マクロセル用無線基地局ｅＮＢ＃１は、ゲートウェイ装置ＨｅＮＢ-ＧＷを介することなく、移動管理ノードＭＭＥに収容されており、マクロセル＃１を管理するように構成されている。
The macro cell radio base station eNB # 1 is accommodated in the mobility management node MME without going through the gateway device HeNB-GW, and is configured to manage the macro cell # 1.
なお、ホームセル用無線基地局ＨｅＮＢ＃１とホームセル用無線基地局ＨｅＮＢ＃２との間、及び、ホームセル用無線基地局ＨｅＮＢ＃２とマクロセル用無線基地局ｅＮＢ＃１との間は、Ｘ２インターフェイスを介して接続されるように構成されている。
Between the home cell radio base station HeNB # 1 and the home cell radio base station HeNB # 2, and between the home cell radio base station HeNB # 2 and the macro cell radio base station eNB # 1 It is configured to be connected via an X2 interface.
また、ホームセル用無線基地局ＨｅＮＢ＃１とゲートウェイ装置ＨｅＮＢ-ＧＷとの間、ゲートウェイ装置ＨｅＮＢ-ＧＷと移動管理ノードＭＭＥとの間、ホームセル用無線基地局ＨｅＮＢ＃２と移動管理ノードＭＭＥとの間、及び、マクロセル用無線基地局ｅＮＢ＃１と移動管理ノードＭＭＥとの間は、Ｓ１インターフェイスを介して接続されるように構成されている。
Further, between the home cell radio base station HeNB # 1 and the gateway device HeNB-GW, between the gateway device HeNB-GW and the mobility management node MME, between the home cell radio base station HeNB # 2 and the mobility management node MME. And the macro cell radio base station eNB # 1 and the mobility management node MME are configured to be connected via an S1 interface.
図２に示すように、ホームセル用無線基地局ＨｅＮＢ＃１は、管理部１１と、Ｓ１インターフェイス１２と、Ｘ２インターフェイス１３とを具備している。
As shown in FIG. 2, the home cell radio base station HeNB # 1 includes a management unit 11, an S1 interface 12, and an X2 interface 13.
本実施形態では、ホームセル用無線基地局ＨｅＮＢ＃１は、複数のホームセル＃１１/＃１２を管理するように構成されているものとする。
In this embodiment, the home cell radio base station HeNB # 1 is configured to manage a plurality of home cells # 11 / # 12.
したがって、本実施形態に係る移動通信システムは、ホームセル用無線基地局ＨｅＮＢ＃１に対して、複数の「Ｈｏｍｅ ｅＮＢ ＩＤ（２８ビット）」を割り当てるように構成されている。
Therefore, the mobile communication system according to the present embodiment is configured to assign a plurality of “Home eNB IDs (28 bits)” to the home cell radio base station HeNB # 1.
例えば、本実施形態に係る移動通信システムは、ホームセル用無線基地局ＨｅＮＢ＃１に対して、ホームセル＃１１に対応する「Ｈｏｍｅ ｅＮＢ ＩＤ」として「＃１１」を割り当て、ホームセル＃１２に対応する「Ｈｏｍｅ ｅＮＢ ＩＤ」として「＃１２」を割り当てるように構成されている。
For example, the mobile communication system according to the present embodiment assigns “# 11” as “Home eNB ID” corresponding to the home cell # 11 to the home cell radio base station HeNB # 1, and assigns it to the home cell # 12. “# 12” is assigned as the corresponding “Home eNB ID”.
管理部１１は、ホームセル用無線基地局ＨｅＮＢ＃１によって管理されているホームセル＃１１/＃１２を識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」を管理するように構成されている。
The management unit 11 is configured to manage “Cell Identity” for identifying home cells # 11 / # 12 managed by the home cell radio base station HeNB # 1.
ここで、ホームセル＃１１を識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」は、ホームセル＃１１に対応する「Ｈｏｍｅ ｅＮＢ ＩＤ」によって構成されており、ホームセル＃１２を識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」は、ホームセル＃１２に対応する「Ｈｏｍｅ ｅＮＢ ＩＤ」によって構成されている。
Here, the “Cell Identity” for identifying the home cell # 11 is configured by the “Home eNB ID” corresponding to the home cell # 11, and the “Cell Identity” for identifying the home cell # 12 is And “Home eNB ID” corresponding to the home cell # 12.
Ｓ１インターフェイス１２は、ゲートウェイ装置ＨｅＮＢ-ＧＷ（或いは、移動管理ノードＭＭＥ）との間のインターフェイスの役割を果たす。
The S1 interface 12 serves as an interface with the gateway device HeNB-GW (or the mobility management node MME).
ここで、Ｓ１インターフェイス１２は、「Ｓ１ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｓ１ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」によって、ホームセル用無線基地局ＨｅＮＢ＃１に割り当てられている複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されていてもよい。
Here, the S1 interface 12 is configured to notify a plurality of “Home eNB IDs” assigned to the home cell radio base station HeNB # 1 by “S1 Setup Request” or “S1 eNB Configuration Update”. It may be.
例えば、図３に示すように、Ｓ１インターフェイス１２は、３ＧＰＰのＴＳ３６.４１３に規定されている「Ｓ１ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｓ１ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」内の情報要素「Ｇｌｏｂａｌ ｅＮＢ ＩＤ」によって、１つの「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１１）」を通知するように構成されている。
For example, as shown in FIG. 3, the S1 interface 12 has one “S1 Setup Request” or “S1 eNB Configuration Update” stipulated in 3GPP TS36.413. Home eNB ID (# 11) "is configured to be notified.
具体的には、かかる情報要素「Ｇｌｏｂａｌ ｅＮＢ ＩＤ」には、ホームセル＃１１を識別する「Ｅ-ＣＧＩ」が設定される。
Specifically, “E-CGI” for identifying the home cell # 11 is set in the information element “Global eNB ID”.
そして、図３に示すように、Ｓ１インターフェイス１２は、かかる「Ｓ１ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｓ１ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」を拡張して、情報要素「ＨｅＮＢのＧｌｏｂａｌ ｅＮＢ ＩＤｓ」を新たに設けて、かかる情報要素「ＨｅＮＢのＧｌｏｂａｌ ｅＮＢ ＩＤｓ」内の「Ｇｌｏｂａｌ ｅＮＢ ＩＤ」によって、残りの「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１２）」を通知するように構成されている。
Then, as shown in FIG. 3, the S1 interface 12 expands the “S1 Setup Request” or “S1 eNB Configuration Update” to newly provide an information element “HeNB Global eNB IDs”. The remaining “Home eNB ID (# 12)” is notified by the “Global eNB ID” in the “HeNB Global eNB IDs”.
具体的には、かかる情報要素「ＨｅＮＢのＧｌｏｂａｌ ｅＮＢ ＩＤｓ」内の「Ｇｌｏｂａｌ ｅＮＢ ＩＤ」には、ホームセル＃１２を識別する「Ｅ-ＣＧＩ」が設定される。
Specifically, “E-CGI” for identifying home cell # 12 is set in “Global eNB ID” in the information element “Global eNB IDs of HeNB”.
或いは、図４に示すように、Ｓ１インターフェイス１２は、３ＧＰＰのＴＳ３６.４１３に規定されている「Ｓ１ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｓ１ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」を拡張して、情報要素「ＨｅＮＢのＧｌｏｂａｌ ｅＮＢ ＩＤｓ」を新たに設けて、かかる情報要素「ＨｅＮＢのＧｌｏｂａｌ ｅＮＢ ＩＤｓ」内の「Ｇｌｏｂａｌ ｅＮＢ ＩＤ」によって、全ての「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１１/＃１２）」を通知するように構成されていてもよい。
Alternatively, as shown in FIG. 4, the S1 interface 12 extends the information element “HeNB Global eNB IDs” by extending “S1 Setup Request” or “S1 eNB Configuration Update” defined in 3GPP TS36.413. May be configured to notify all “Home eNB IDs (# 11 / # 12)” by “Global eNB ID” in the information element “Global eNB IDs of HeNB”. .
具体的には、かかる情報要素「Ｇｌｏｂａｌ ｅＮＢ ＩＤ」には、ホームセル＃１１/＃１２を識別する「Ｅ-ＣＧＩ」が設定される。
Specifically, “E-CGI” for identifying home cells # 11 / # 12 is set in the information element “Global eNB ID”.
Ｘ２インターフェイス１３は、周辺のホームセル用無線基地局ＨｅＮＢ＃２（或いは、周辺のマクロセル用無線基地局ｅＮＢ＃１）との間のインターフェイスの役割を果たす。
The X2 interface 13 serves as an interface with the surrounding home cell radio base station HeNB # 2 (or the surrounding macro cell radio base station eNB # 1).
ここで、Ｘ２インターフェイス１３は、「Ｘ２ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」、「Ｘ２ Ｓｅｔｕｐ Ｒｅｓｐｏｎｓｅ」或いは「Ｘ２ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」によって、ホームセル用無線基地局ＨｅＮＢ＃１に割り当てられている複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されていてもよい。
Here, the X2 interface 13 receives a plurality of “Home eNB IDs” assigned to the home cell radio base station HeNB # 1 by “X2 Setup Request”, “X2 Setup Response” or “X2 eNB Configuration Update”. It may be configured to notify.
例えば、図５に示すように、Ｘ２インターフェイス１３は、３ＧＰＰのＴＳ３６.４２３に規定されている「Ｘ２ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｘ２ Ｓｅｔｕｐ Ｒｅｓｐｏｎｓｅ」を拡張して、情報要素「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ」を新たに設けてもよい。
For example, as shown in FIG. 5, the X2 interface 13 extends the “X2 Setup Request” or “X2 Setup Response” defined in 3GPP TS36.423, and newly adds an information element “Equivalent Served Cells”. It may be provided.
そして、図５及び図６に示すように、Ｘ２インターフェイス１３は、かかる情報要素「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ」内の情報要素「Ｓｅｒｖｅｄ Ｃｅｌｌ Ｉｎｆｏｒｍａｔｉｏｎ」内の情報要素「Ｃｅｌｌ ＩＤ」によって、全ての「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１１/＃１２）」を通知するように構成されていてもよい。
As shown in FIGS. 5 and 6, the X2 interface 13 uses the information element “Cell ID” in the information element “Served Cell Information” in the information element “Equivalent Server Cells” to generate all “Home eNB IDs”. (# 11 / # 12) "may be notified.
具体的には、かかる情報要素「Ｃｅｌｌ ＩＤ」には、ホームセル＃１１/＃１２を識別する「Ｅ-ＣＧＩ」が設定される。
Specifically, “E-CGI” for identifying home cells # 11 / # 12 is set in the information element “Cell ID”.
また、図５に示すように、Ｘ２インターフェイス１３は、かかる情報要素「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ」内の情報要素「Ｅｑｕｉｖａｌｅｎｔ Ｎｅｉｇｈｂｏｕｒ Ｉｎｆｏｒｍａｔｉｏｎ」内の情報要素「ＥＣＧＩ」によって、周辺のホームセル用無線基地局ＨｅＮＢに対して割り当てられている全ての「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されていてもよい。
Also, as shown in FIG. 5, the X2 interface 13 uses the information element “ECGI” in the information element “Equivalent Neighbor Information” in the information element “Equivalent Served Cells” to the surrounding home cell radio base stations HeNB. It may be configured to notify all the “Home eNB ID” assigned to it.
具体的には、かかる情報要素「ＥＣＧＩ」には、周辺のホームセル用無線基地局ＨｅＮＢによって管理されているホームセルを識別する「Ｅ-ＣＧＩ」が設定される。
Specifically, in the information element “ECGI”, “E-CGI” for identifying a home cell managed by a surrounding home cell radio base station HeNB is set.
また、図７に示すように、Ｘ２インターフェイス１３は、３ＧＰＰのＴＳ３６.４２３に規定されている「Ｘ２ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」を拡張して、情報要素「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ Ｔｏ Ａｄｄ」や「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ Ｔｏ Ｍｏｄｉｆｙ」や「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ Ｔｏ Ｄｅｌｅｔｅ」を新たに設けてもよい。
In addition, as shown in FIG. 7, the X2 interface 13 extends the “X2 eNB Configuration Update” defined in TS36.423 of 3GPP to expand the information element “Equivalent Served Cells To Add” or “Equivalent Served Cells”. “Modify” and “Equivalent Served Cells To Delete” may be newly provided.
そして、図６及び図７に示すように、Ｘ２インターフェイス１３は、かかる情報要素「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ Ｔｏ Ａｄｄ」や「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ Ｔｏ Ｍｏｄｉｆｙ」や「Ｅｑｕｉｖａｌｅｎｔ Ｓｅｒｖｅｄ Ｃｅｌｌｓ Ｔｏ Ｄｅｌｅｔｅ」内の情報要素「Ｓｅｒｖｅｄ Ｃｅｌｌ Ｉｎｆｏｒｍａｔｉｏｎ」内の情報要素「Ｃｅｌｌ ＩＤ」によって、該当するホームセルに対応する「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１１/＃１２）」を通知するように構成されていてもよい。
Then, as shown in FIGS. 6 and 7, the X2 interface 13 is connected to the information element “Equivalent Served Cells To Add”, “Equivalent Served Cells To Modify”, or “Equivalent Served Cell Information ToD” element in the “Celved Served Cell Information” element. The “Home eNB ID (# 11 / # 12)” corresponding to the corresponding home cell may be notified by the information element “Cell ID” in the “Information”.
具体的には、かかる情報要素「Ｃｅｌｌ ＩＤ」には、対象のホームセル＃１１/＃１２を識別する「Ｅ-ＣＧＩ」が設定される。
Specifically, “E-CGI” for identifying the target home cell # 11 / # 12 is set in the information element “Cell ID”.
なお、Ｘ２インターフェイス１３は、周辺のホームセル用無線基地局ＨｅＮＢ＃２から受信した「Ｘ２ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｘ２ Ｓｅｔｕｐ Ｒｅｓｐｏｎｓｅ」において、情報要素「Ｓｅｒｖｅｄ Ｃｅｌｌｓ」内の情報要素「Ｓｅｒｖｅｄ Ｃｅｌｌ Ｉｎｆｏｒｍａｔｉｏｎ」内の情報要素「Ｃｅｌｌ ＩＤ」に、異なる「Ｈｏｍｅ ｅＮＢ ＩＤ」が含まれている場合であっても、かかる「Ｃｅｌｌ ＩＤ」によって特定されるホームセルは、同一のホームセル用無線基地局ＨｅＮＢ＃２によって管理されているホームセルであると看做すように構成されていてもよい。
The X2 interface 13 is included in the information element “Served Cell Information” in the information element “Served Cells” in the “X2 Setup Request” or “X2 Setup Response” received from the neighboring home cell radio base station HeNB # 2. Even if the information element “Cell ID” includes a different “Home eNB ID”, the home cell specified by the “Cell ID” is the same home cell radio base station HeNB # 2. It may be configured to be regarded as a home cell managed by.
本実施形態に係る移動通信システムによれば、ホームセル用無線基地局ＨｅＮＢ＃１が、複数のホームセル＃１１/＃１２を管理する場合には、ホームセル用無線基地局ＨｅＮＢ＃１に対して、複数の「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１１/＃１２）」を割り当て、また、ホームセル用無線基地局ＨｅＮＢ＃１が、移動管理ノードＭＭＥやゲートウェイ装置ＨｅＮＢ-ＧＷや周辺のホームセル用無線基地局ＨｅＮＢ＃２等に、かかる複数の「Ｈｏｍｅ ｅＮＢ ＩＤ（＃１１/＃１２）」を通知するように構成されているため、「Ｈｏｍｅ ｅＮＢ ＩＤ」のアドレス体系を変更することなく、ホームセル用無線基地局ＨｅＮＢが、複数のホームセルを管理することができる。
According to the mobile communication system according to the present embodiment, when the home cell radio base station HeNB # 1 manages a plurality of home cells # 11 / # 12, the home cell radio base station HeNB # 1 Then, a plurality of “Home eNB IDs (# 11 / # 12)” are allocated, and the home cell radio base station HeNB # 1 is assigned to the mobile management node MME, the gateway device HeNB-GW, and the surrounding home cell radio bases. Since it is configured to notify the station HeNB # 2 and the like of such a plurality of “Home eNB IDs (# 11 / # 12)”, for the home cell without changing the address system of the “Home eNB ID” The radio base station HeNB can manage a plurality of home cells.
以上に述べた本実施形態の特徴は、以下のように表現されていてもよい。
The features of the present embodiment described above may be expressed as follows.
本実施形態の第１の特徴は、マクロセル＃１を管理するマクロセル用無線基地局ｅＮＢ＃１及びホームセル＃１１/＃１２を管理するホームセル用無線基地局ＨｅＮＢ＃１が混在する移動通信システムであって、マクロセル＃１を識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ（セル識別子）」は、マクロセル用無線基地局ｅＮＢ＃１に割り当てられている「Ｍａｃｒｏ ｅＮＢ ＩＤ（マクロセル用無線基地局識別子）」及びマクロセル用無線基地局ｅＮＢ＃１内でマクロセル＃１に割り当てられている「Ｍａｃｒｏ Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ（マクロセル識別子）」のみによって構成されており、ホームセル＃１１/＃１２を識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」は、ホームセル用無線基地局ＨｅＮＢ＃１に割り当てられている「Ｈｏｍｅ ｅＮＢ ＩＤ（ホームセル用無線基地局識別子）」のみによって構成されており、ホームセル用無線基地局ＨｅＮＢ＃１が、複数のホームセル＃１１/＃１２を管理する場合、ホームセル用無線基地局ＨｅＮＢ＃１に対して、複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を割り当てるように構成されていることを要旨とする。
The first feature of the present embodiment is that the mobile communication system in which the macro cell radio base station eNB # 1 that manages the macro cell # 1 and the home cell radio base station HeNB # 1 that manages the home cell # 11 / # 12 coexists. The "Cell Identity (cell identifier)" for identifying the macro cell # 1 is the "Macro eNB ID (macro cell radio base station identifier)" assigned to the macro cell radio base station eNB # 1 and the macro cell. Is composed only of “Macro Cell Identity (macro cell identifier)” assigned to the macro cell # 1 in the wireless base station eNB # 1, and “Cell Identity” for identifying the home cell # 11 / # 12 is Assigned to home cell radio base station HeNB # 1 If the home cell radio base station HeNB # 1 manages a plurality of home cells # 11 / # 12, the home cell eNB ID (home cell radio base station identifier) is used. The gist is that a plurality of “Home eNB IDs” are assigned to the radio base station HeNB # 1.
本実施形態の第１の特徴において、ホームセル用無線基地局ＨｅＮＢ＃１は、移動管理ノードＭＭＥ或いはゲートウェイ装置ＨｅＮＢ-ＧＷに対して、「Ｓ１ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ（コネクション設定要求）」或いは「Ｓ１ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ（設定変更通知）」によって、割り当てられている複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されていてもよい。
In the first feature of the present embodiment, the home cell radio base station HeNB # 1 transmits “S1 Setup Request (connection setting request)” or “S1 eNB Configuration” to the mobility management node MME or the gateway device HeNB-GW. It may be configured to notify a plurality of assigned “Home eNB IDs” by “Update (setting change notification)”.
本実施形態の第１の特徴において、ホームセル用無線基地局ＨｅＮＢ＃１は、周辺の無線基地局ＨｅＮＢ＃２に対して、「Ｘ２ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ（コネクション設定要求）」、「Ｘ２ Ｓｅｔｕｐ Ｒｅｓｐｏｎｓｅ（コネクション設定応答）」或いは「Ｘ２ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ（設定変更通知）」によって、割り当てられている複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されていてもよい。
In the first feature of the present embodiment, the home cell radio base station HeNB # 1 sends an “X2 Setup Request (connection setting request)” and “X2 Setup Response (connection) to the neighboring radio base station HeNB # 2. It may be configured to notify a plurality of assigned “Home eNB IDs” by “setting response)” or “X2 eNB Configuration Update (setting change notification)”.
本実施形態の第２の特徴は、ホームセル＃１１/＃１２を管理するホームセル用無線基地局ＨｅＮＢ＃１であって、ホームセル＃１１/＃１２を識別するための「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」を管理するように構成されている管理部１１を具備し、「Ｃｅｌｌ Ｉｄｅｎｔｉｔｙ」は、ホームセル用無線基地局ＨｅＮＢ＃１に割り当てられている「Ｈｏｍｅ ｅＮＢ ＩＤ」のみによって構成されており、ホームセル用無線基地局ＨｅＮＢ＃１が、複数のホームセル＃１１/＃１２を管理する場合、管理部１１は、複数のホームセル＃１１/＃１２の各々に対応する複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を管理するように構成されていることを要旨とする。
A second feature of the present embodiment is a home cell radio base station HeNB # 1 that manages the home cell # 11 / # 12, and includes “Cell Identity” for identifying the home cell # 11 / # 12. The management unit 11 is configured to manage, and the “Cell Identity” is configured only by the “Home eNB ID” assigned to the home cell radio base station HeNB # 1, and is used for the home cell. When the radio base station HeNB # 1 manages a plurality of home cells # 11 / # 12, the management unit 11 manages a plurality of “Home eNB IDs” corresponding to each of the plurality of home cells # 11 / # 12. The gist of the configuration is as follows.
本実施形態の第２の特徴において、移動管理ノードＭＭＥ或いはゲートウェイ装置ＨｅＮＢ-ＧＷに対して、「Ｓ１ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」或いは「Ｓ１ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」によって、管理部１１によって管理されている複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されているＳ１インターフェイス１２（第１インターフェイス）を具備してもよい。
In the second feature of the present embodiment, a plurality of “Home” managed by the management unit 11 by “S1 Setup Request” or “S1 eNB Configuration Update” with respect to the mobility management node MME or the gateway device HeNB-GW. An S1 interface 12 (first interface) configured to notify the “eNB ID” may be provided.
本実施形態の第２の特徴において、周辺の無線基地局ＨｅＮＢ＃２に対して、「Ｘ２ Ｓｅｔｕｐ Ｒｅｑｕｅｓｔ」、「Ｘ２ Ｓｅｔｕｐ Ｒｅｓｐｏｎｓｅ」或いは「Ｘ２ ｅＮＢ Ｃｏｎｆｉｇｕｒａｔｉｏｎ Ｕｐｄａｔｅ」によって、管理部１１によって管理されている複数の「Ｈｏｍｅ ｅＮＢ ＩＤ」を通知するように構成されているＸ２インターフェイス１２（第２インターフェイス）を具備してもよい。
In the second feature of the present embodiment, the management unit 11 manages the neighboring radio base station HeNB # 2 by “X2 Setup Request”, “X2 Setup Response”, or “X2 eNB Configuration Update”. An X2 interface 12 (second interface) configured to notify a plurality of “Home eNB IDs” may be provided.
なお、上述の移動管理ノードＭＭＥやゲートウェイ装置ＨｅＮＢ-ＧＷやホームセル用無線基地局ＨｅＮＢやマクロセル用無線基地局ｅＮＢや移動局ＵＥの動作は、ハードウェアによって実施されてもよいし、プロセッサによって実行されるソフトウェアモジュールによって実施されてもよいし、両者の組み合わせによって実施されてもよい。
The operations of the mobility management node MME, the gateway device HeNB-GW, the home cell radio base station HeNB, the macro cell radio base station eNB, and the mobile station UE described above may be implemented by hardware or executed by a processor. May be implemented by a software module that is implemented, or may be implemented by a combination of both.
ソフトウェアモジュールは、ＲＡＭ（Ｒａｎｄｏｍ Ａｃｃｅｓｓ Ｍｅｍｏｒｙ）や、フラッシュメモリや、ＲＯＭ（Ｒｅａｄ Ｏｎｌｙ Ｍｅｍｏｒｙ）や、ＥＰＲＯＭ（Ｅｒａｓａｂｌｅ Ｐｒｏｇｒａｍｍａｂｌｅ ＲＯＭ）や、ＥＥＰＲＯＭ（Ｅｌｅｃｔｒｏｎｉｃａｌｌｙ Ｅｒａｓａｂｌｅ ａｎｄ Ｐｒｏｇｒａｍｍａｂｌｅ ＲＯＭ）や、レジスタや、ハードディスクや、リムーバブルディスクや、ＣＤ-ＲＯＭといった任意形式の記憶媒体内に設けられていてもよい。
The software modules include RAM (Random Access Memory), flash memory, ROM (Read Only Memory), EPROM (Erasable Programmable ROM), EEPROM (Electronically Erasable and Programmable, Removable ROM, Hard Disk, and Removable ROM). Alternatively, it may be provided in a storage medium of an arbitrary format such as a CD-ROM.
かかる記憶媒体は、プロセッサが当該記憶媒体に情報を読み書きできるように、当該プロセッサに接続されている。また、かかる記憶媒体は、プロセッサに集積されていてもよい。また、かかる記憶媒体及びプロセッサは、ＡＳＩＣ内に設けられていてもよい。かかるＡＳＩＣは、移動管理ノードＭＭＥやゲートウェイ装置ＨｅＮＢ-ＧＷやホームセル用無線基地局ＨｅＮＢやマクロセル用無線基地局ｅＮＢや移動局ＵＥ内に設けられていてもよい。また、かかる記憶媒体及びプロセッサは、ディスクリートコンポーネントとして移動管理ノードＭＭＥやゲートウェイ装置ＨｅＮＢ-ＧＷやホームセル用無線基地局ＨｅＮＢやマクロセル用無線基地局ｅＮＢや移動局ＵＥ内に設けられていてもよい。
The storage medium is connected to the processor so that the processor can read and write information from and to the storage medium. Further, such a storage medium may be integrated in the processor. Such a storage medium and processor may be provided in the ASIC. Such an ASIC may be provided in the mobility management node MME, the gateway device HeNB-GW, the home cell radio base station HeNB, the macro cell radio base station eNB, or the mobile station UE. Further, the storage medium and the processor may be provided as a discrete component in the mobility management node MME, the gateway device HeNB-GW, the home cell radio base station HeNB, the macro cell radio base station eNB, or the mobile station UE.
以上、上述の実施形態を用いて本発明について詳細に説明したが、当業者にとっては、本発明が本明細書中に説明した実施形態に限定されるものではないということは明らかである。本発明は、請求の範囲の記載により定まる本発明の趣旨及び範囲を逸脱することなく修正及び変更態様として実施することができる。従って、本明細書の記載は、例示説明を目的とするものであり、本発明に対して何ら制限的な意味を有するものではない。
As described above, the present invention has been described in detail using the above-described embodiments. However, it is obvious for those skilled in the art that the present invention is not limited to the embodiments described in the present specification. The present invention can be implemented as modifications and changes without departing from the spirit and scope of the present invention defined by the description of the scope of claims. Therefore, the description of the present specification is for illustrative purposes and does not have any limiting meaning to the present invention.
ＵＥ…移動局
ＭＭＥ…移動管理ノード
ＨｅＮＢ-ＧＷ…ゲートウェイ装置
ＨｅＮＢ…ホームセル用無線基地局
ｅＮＢ…マクロセル用無線基地局
１１…管理部
１２…Ｓ１インターフェイス
１３…Ｘ２インターフェイス UE ... mobile station MME ... mobile management node HeNB-GW ... gateway device HeNB ... home cell radio base station eNB ... macro cellradio base station 11 ... management unit 12 ... S1 interface 13 ... X2 interface
ＭＭＥ…移動管理ノード
ＨｅＮＢ-ＧＷ…ゲートウェイ装置
ＨｅＮＢ…ホームセル用無線基地局
ｅＮＢ…マクロセル用無線基地局
１１…管理部
１２…Ｓ１インターフェイス
１３…Ｘ２インターフェイス UE ... mobile station MME ... mobile management node HeNB-GW ... gateway device HeNB ... home cell radio base station eNB ... macro cell
Claims (6)
- マクロセルを管理するマクロセル用無線基地局及びホームセルを管理するホームセル用無線基地局が混在する移動通信システムであって、
前記マクロセルを識別するためのセル識別子は、前記マクロセル用無線基地局に割り当てられているマクロセル用無線基地局識別子及び該マクロセル用無線基地局内で該マクロセルに割り当てられているマクロセル識別子のみによって構成されており、
前記ホームセルを識別するためのセル識別子は、前記ホームセル用無線基地局に割り当てられているホームセル用無線基地局識別子のみによって構成されており、
前記ホームセル用無線基地局が、複数のホームセルを管理する場合、該ホームセル用無線基地局に対して、複数のホームセル用無線基地局識別子を割り当てるように構成されていることを特徴とする移動通信システム。 A mobile communication system in which a macro cell radio base station for managing a macro cell and a home cell radio base station for managing a home cell are mixed,
The cell identifier for identifying the macro cell is composed only of a macro cell radio base station identifier assigned to the macro cell radio base station and a macro cell identifier assigned to the macro cell in the macro cell radio base station. And
The cell identifier for identifying the home cell is configured only by the home cell radio base station identifier assigned to the home cell radio base station,
When the home cell radio base station manages a plurality of home cells, the home cell radio base station is configured to assign a plurality of home cell radio base station identifiers to the home cell radio base station. Mobile communication system. - 前記ホームセル用無線基地局は、移動管理ノード或いはゲートウェイ装置に対して、コネクション設定要求或いは設定変更通知によって、割り当てられている前記複数のホームセル用無線基地局識別子を通知するように構成されていることを特徴とする請求項１に記載の移動通信システム。 The home cell radio base station is configured to notify the mobility management node or the gateway device of the allocated home cell radio base station identifiers by a connection setting request or a setting change notification. The mobile communication system according to claim 1, wherein:
- 前記ホームセル用無線基地局は、周辺の無線基地局に対して、コネクション設定要求、コネクション設定応答或いは設定変更通知によって、割り当てられている前記複数のホームセル用無線基地局識別子を通知するように構成されていることを特徴とする請求項１に記載の移動通信システム。 The home cell radio base station notifies the peripheral radio base stations of the assigned home cell radio base station identifiers by a connection setting request, a connection setting response, or a setting change notification. The mobile communication system according to claim 1, wherein the mobile communication system is configured.
- ホームセルを管理するホームセル用無線基地局であって、
前記ホームセルを識別するためのセル識別子を管理するように構成されている管理部を具備し、
前記セル識別子は、前記ホームセル用無線基地局に割り当てられているホームセル用無線基地局識別子のみによって構成されており、
前記ホームセル用無線基地局が、前記管理部は、該複数のホームセルの各々に対応する複数の前記ホームセル用無線基地局識別子を管理するように構成されていることを特徴とするホームセル用無線基地局。 A home cell radio base station for managing a home cell,
A management unit configured to manage a cell identifier for identifying the home cell;
The cell identifier is configured only by a home cell radio base station identifier assigned to the home cell radio base station,
The home cell radio base station, wherein the management unit is configured to manage a plurality of home cell radio base station identifiers corresponding to each of the plurality of home cells. Wireless base station. - 移動管理ノード或いはゲートウェイ装置に対して、コネクション設定要求或いは設定変更通知によって、前記管理部によって管理されている前記複数のホームセル用無線基地局識別子を通知するように構成されている第１インターフェイスを具備することを特徴とする請求項４に記載のホームセル用無線基地局。 A first interface configured to notify the mobile management node or the gateway device of the plurality of home cell radio base station identifiers managed by the management unit by a connection setting request or a setting change notification; The home cell radio base station according to claim 4, further comprising:
- 周辺の無線基地局に対して、コネクション設定要求、コネクション設定応答或いは設定変更通知によって、前記管理部によって管理されている前記複数のホームセル用無線基地局識別子を通知するように構成されている第２インターフェイスを具備することを特徴とする請求項４に記載のホームセル用無線基地局。 The configuration is such that a plurality of home cell radio base station identifiers managed by the management unit are notified to neighboring radio base stations by a connection setting request, a connection setting response, or a setting change notification. The home cell radio base station according to claim 4, comprising two interfaces.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2010-181824 | 2010-08-16 | ||
| JP2010181824A JP5427728B2 (en) | 2010-08-16 | 2010-08-16 | Mobile communication system and home cell radio base station |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2012023493A1 true WO2012023493A1 (en) | 2012-02-23 |
Family
ID=45605147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/JP2011/068384 WO2012023493A1 (en) | 2010-08-16 | 2011-08-11 | Mobile communication system and home cell wireless base station |
Country Status (2)
| Country | Link |
|---|---|
| JP (1) | JP5427728B2 (en) |
| WO (1) | WO2012023493A1 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3203765A4 (en) * | 2014-10-02 | 2017-08-23 | Fujitsu Ltd. | Repeater and base station system |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2981152B1 (en) | 2013-03-26 | 2019-02-20 | Fujitsu Limited | Relay station, control method, and communication system |
-
2010
- 2010-08-16 JP JP2010181824A patent/JP5427728B2/en not_active Expired - Fee Related
-
2011
- 2011-08-11 WO PCT/JP2011/068384 patent/WO2012023493A1/en active Application Filing
Non-Patent Citations (1)
| Title |
|---|
| HUAWEI, DISCUSSION ON ROUTING ASPECTS OF INBOUND MOBILITY, R3-091085, 4 May 2009 (2009-05-04) * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP3203765A4 (en) * | 2014-10-02 | 2017-08-23 | Fujitsu Ltd. | Repeater and base station system |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2012044320A (en) | 2012-03-01 |
| JP5427728B2 (en) | 2014-02-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US10085177B2 (en) | Method and apparatus for offloading data | |
| EP2996386B1 (en) | System and method for supporting cell updates within a small cell cluster for mobility in cell paging channel mode | |
| JP4870201B2 (en) | Mobile communication method and radio base station | |
| US20100167742A1 (en) | Geography aware peer-to-peer overlay creation | |
| US10264468B1 (en) | Method and apparatus of supporting wireless femtocell clusters | |
| US8909223B2 (en) | Multicast optimization and aggregation in an enterprise controller | |
| JP5317941B2 (en) | Mobile communication method and gateway device | |
| JP2011097530A (en) | Mobile communication method, and radio base station | |
| WO2014186968A1 (en) | Location area management method and core network controller | |
| JPWO2018207775A1 (en) | Network device and wireless communication method | |
| WO2011127793A1 (en) | Method and system for allocating network temporary identities | |
| US20130028420A1 (en) | Circuit switched mobile telephony in fixed wireless access | |
| WO2015043143A1 (en) | Information determination method and related device | |
| WO2012147736A1 (en) | Mobile communication method, mobile management node, and subscriber management server | |
| JP5427728B2 (en) | Mobile communication system and home cell radio base station | |
| US9603004B2 (en) | Network elements, wireless communication system and methods therefor | |
| JP5094910B2 (en) | Mobile communication system and mobile station | |
| WO2016008219A1 (en) | Hybrid networking implementation method, system and device and computer storage medium | |
| US20180167803A1 (en) | Cluster neighbor discovery in centralized radio access network using transport network layer (tnl) address discovery | |
| US10595234B2 (en) | Support of legacy network elements in small cell system | |
| JP6064391B2 (en) | Wireless communication system and communication control method | |
| WO2012020827A1 (en) | Mobile communication method and mobile management node | |
| KR101598602B1 (en) | System fof x2 handover management of femtocell and method fof controling of x2 handover using the same | |
| JP2016519522A (en) | Transport layer address notification method and system | |
| US9526054B2 (en) | Method for subscriber identity determination, network elements and wireless communication system thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11818135 Country of ref document: EP Kind code of ref document: A1 |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| 122 | Ep: pct application non-entry in european phase |
Ref document number: 11818135 Country of ref document: EP Kind code of ref document: A1 |