WO2014084475A1 - Cellular-wifi 융합시스템에서 일반장치로부터 획득한 정보를 이용하여 wifi 망을 통해 access point를 등록하는 방법 및 장치 - Google Patents
Cellular-wifi 융합시스템에서 일반장치로부터 획득한 정보를 이용하여 wifi 망을 통해 access point를 등록하는 방법 및 장치 Download PDFInfo
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- WO2014084475A1 WO2014084475A1 PCT/KR2013/006160 KR2013006160W WO2014084475A1 WO 2014084475 A1 WO2014084475 A1 WO 2014084475A1 KR 2013006160 W KR2013006160 W KR 2013006160W WO 2014084475 A1 WO2014084475 A1 WO 2014084475A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/16—Discovering, processing access restriction or access information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
Definitions
- the present invention relates to wireless communication, and more particularly, to a method and apparatus for registering an Access Point through a WiFi network using information obtained from a general apparatus in a Cellular-WiFi convergence system.
- Next-generation communication systems may use a plurality of radio access technologies (RATs) to enable easy and efficient performance at any time and from anywhere.
- 3rd generation partnership project (3GPP) long-term evolution (LTE), 3GPP LTE-A (advanced), Institute of electrical and electronics engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMax, WiBro) and the like may be used.
- the next generation communication system may use a plurality of RATs in convergence. Each entity of the plurality of RATs constituting the next generation communication system may exchange information with each other, thereby providing an optimal communication system for a user in the next generation communication system.
- a specific RAT may operate as a primary RAT system
- another specific RAT may operate as a secondary RAT system. That is, the primary RAT system may serve to mainly provide a communication system to users in the next generation communication system, and the secondary RAT system may serve to assist the primary RAT system.
- a cellular system such as 3GPP LTE (-A) or IEEE 802.16, which has a relatively large coverage, may be a primary RAT system, and a Wi-Fi system having a relatively narrow coverage may be a secondary RAT system.
- the primary RAT system needs to know the entities of the secondary RAT system operating within its coverage. For example, if the primary RAT system is a cellular system and the secondary RAT system is a Wi-Fi system, cellular nodes such as cellular base stations or cellular controllers need to know what access points (APs) are operating within their coverage. have.
- APs access points
- the secondary RAT system entity informs the management apparatus (e.g., management server, cellular node, cellular base station, cellular controller) of its own information so that the primary RAT system can efficiently inform the information of the secondary RAT system entities operating within its own coverage.
- the management apparatus e.g., management server, cellular node, cellular base station, cellular controller
- the secondary RAT system entity requires a method for obtaining primary RAT system information more efficiently.
- An object of the present invention is to provide a method and apparatus for registering an access point through a WiFi network by using information obtained from a general apparatus in a wireless communication system.
- the present invention provides a method for registering an Access Point through a WiFi network by using information obtained from a general apparatus in a communication system in which a cellular system and a Wi-Fi system are converged.
- the secondary RAT system entity acquires main RAT system information through a WiFi network with a general device in a communication system in which a cellular system and a Wi-Fi system are converged, and manages it through a WiFi network based on the obtained information. It provides a way to optimize to inform the device of its own information.
- CDMA code division multiple access
- FDMA frequency division multiple access
- TDMA time division multiple access
- OFDMA orthogonal frequency division multiple access
- SC-FDMA single carrier frequency division multiple access
- CDMA may be implemented by a radio technology such as universal terrestrial radio access (UTRA) or CDMA2000.
- TDMA may be implemented with wireless technologies such as global system for mobile communications (GSM) / general packet radio service (GPRS) / enhanced data rates for GSM evolution (EDGE).
- GSM global system for mobile communications
- GPRS general packet radio service
- EDGE enhanced data rates for GSM evolution
- OFDMA may be implemented by wireless technologies such as Institute of Electrical and Electronics Engineers (IEEE) 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802-20, evolved UTRA (E-UTRA), and the like.
- IEEE 802.16m is an evolution of IEEE 802.16e and provides backward compatibility with systems based on IEEE 802.16e.
- UTRA is part of a universal mobile telecommunications system (UMTS).
- 3rd generation partnership project (3GPP) long term evolution (LTE) is part of evolved UMTS (E-UMTS) using evolved-UMTS terrestrial radio access (E-UTRA), which employs OFDMA in downlink and SC in uplink -FDMA is adopted.
- LTE-A (advanced) is the evolution of 3GPP LTE.
- FIG. 1 illustrates a cellular system
- the cellular system 10 includes at least one base station (BS) 11.
- Each base station 11 provides a communication service for a particular geographic area (generally called a cell) 15a, 15b, 15c.
- the cell can in turn be divided into a number of regions (called sectors).
- the UE 12 may be fixed or mobile and may have a mobile station (MS), a mobile terminal (MS), a mobile terminal (MT), a user terminal (UT), a subscriber station (SS), a wireless device, or a PDA. (personal digital assistant), wireless modem (wireless modem), a handheld device (handheld device) may be called other terms.
- the base station 11 generally refers to a fixed station communicating with the terminal 12, and may be called in other terms such as an evolved-NodeB (eNB), a base transceiver system (BTS), an access point, and the like. have.
- eNB evolved-NodeB
- BTS base transceiver system
- access point and the like. have.
- a terminal typically belongs to one cell, and a cell to which the terminal belongs is called a serving cell.
- a base station that provides a communication service for a serving cell is called a serving BS.
- Another cell adjacent to the serving cell is called a neighbor cell.
- a base station that provides communication service for a neighbor cell is called a neighbor BS.
- the serving cell and the neighbor cell are relatively determined based on the terminal.
- downlink means communication from the base station 11 to the terminal 12
- uplink means communication from the terminal 12 to the base station 11.
- the transmitter may be part of the base station 11 and the receiver may be part of the terminal 12.
- the transmitter may be part of the terminal 12 and the receiver may be part of the base station 11.
- FIG. 2 shows a structure of a radio frame in 3GPP LTE.
- a radio frame consists of 10 subframes, and one subframe consists of two slots. Slots in a radio frame are numbered with slots # 0 through # 19. Transmission time interval (TTI) is a basic scheduling unit for data transmission. In 3GPP LTE, one TTI may be equal to the time taken for one subframe to be transmitted.
- One radio frame may have a length of 10 ms, one subframe may have a length of 1 ms, and one slot may have a length of 0.5 ms.
- One slot includes a plurality of orthogonal frequency division multiplexing (OFDM) symbols in the time domain and a plurality of subcarriers in the frequency domain.
- the OFDM symbol is used to represent one symbol period since 3GPP LTE uses OFDMA in downlink, and may be called a different name according to a multiple access scheme.
- SC-FDMA when SC-FDMA is used as an uplink multiple access scheme, it may be referred to as an SC-FDMA symbol.
- a resource block (RB) includes a plurality of consecutive subcarriers in one slot in resource allocation units.
- the structure of the radio frame is merely an example. Accordingly, the number of subframes included in the radio frame, the number of slots included in the subframe, or the number of OFDM symbols included in the slot may be variously changed.
- 3GPP LTE defines that one slot includes 7 OFDM symbols in a normal cyclic prefix (CP), and one slot includes 6 OFDM symbols in an extended CP. .
- CP normal cyclic prefix
- WLAN wireless local area network
- the WLAN system may be called a Wi-Fi system.
- a WLAN system includes one access point 20 and a plurality of stations STA, 31, 32, 33, 34, and 40.
- the AP 20 may communicate with each STA 31, 32, 33, 34, and 40 respectively.
- the WLAN system includes one or more basic service sets (BSS).
- BSS is a set of STAs that can successfully synchronize and communicate with each other, and is not a concept indicating a specific area.
- Infrastructure BSS is a distribution system (DS) that connects one or more non-AP STAs, an access point that provides distribution services, and multiple APs. It includes.
- the AP manages non-AP STAs of the BSS.
- the WLAN system of FIG. 3 can be said to include an infrastructure BSS.
- independent BSS IBSS is a BSS that operates in an ad-hoc mode. Since IBSS does not contain an AP, there is no centralized management entity. That is, in the IBSS, non-AP STAs are managed in a distributed manner. In the IBSS, all STAs may be mobile STAs, and access to a distributed system is not allowed to form a self-contained network.
- a STA is any functional medium that includes a media access control (MAC) conforming to the IEEE 802.11 standard and a physical layer interface to a wireless medium, and broadly includes both AP and non-AP stations.
- MAC media access control
- a non-AP STA is an STA that is not an AP, and a non-AP STA is a mobile terminal, a wireless device, a wireless transmit / receive unit (WTRU), a user equipment (UE), It may also be called another name, such as a mobile station (MS), mobile subscriber unit, or simply user.
- WTRU wireless transmit / receive unit
- UE user equipment
- MS mobile station
- STA mobile subscriber unit
- An AP is a functional entity that provides access to a distributed system via a wireless medium for an associated STA to a corresponding AP.
- communication between STAs is performed via an AP.
- the AP may be called a central controller, a base station (BS), a NodeB, a base transceiver system (BTS), a site controller, or the like.
- Multiple infrastructure BSSs can be interconnected through a distributed system.
- a plurality of BSSs connected through a distributed system is called an extended service set (ESS).
- ESS extended service set
- the AP and / or STA included in the ESS may communicate with each other, and in the same ESS, the STA may move from one BSS to another BSS while communicating seamlessly.
- FIG. 4 illustrates an example of a scenario of a communication system in which a cellular system and a Wi-Fi system are converged.
- the cellular system operates as the primary RAT system of the converged communication system
- the Wi-Fi system operates as the secondary RAT system of the converged communication system
- the cellular system of FIG. 4 may be 3GPP LTE (-A).
- the primary RAT system of the converged communication system is 3GPP LTE (-A)
- the secondary RAT system of the communication system is IEEE 802.11, that is, a Wi-Fi system.
- embodiments of the present invention to be described below are not limited thereto.
- Each generic device 61, 62, 63, 64, 65 may be a terminal of a cellular system.
- the cellular base station 50 may communicate with each generic device 61, 62, 63, 64, 65 via a cellular air interface.
- the cellular base station 50 performs voice telephony communication with each general device 61, 62, 63, 64, 65 or Wi-Fi of each general device 61, 62, 63, 64, 65. You can control access to the system.
- the cellular base station 50 is connected to a serving gateway (S-GW) / mobility management entity (MME) 70 via a cellular system interface.
- the MME has access information of the terminal or information on the capability of the terminal, and this information may be mainly used for mobility management of the terminal.
- the MME is responsible for the function of the control plane.
- S-GW is a gateway having an E-UTRAN as an endpoint.
- S-GW is in charge of the user plane.
- the S-GW / MME 70 is also connected to a packet data network (PDN) gateway (P-GW) 71 and a home subscriber server (HSS) 72 via a cellular system interface.
- PDN-GW is a gateway with PDN as an endpoint.
- P-GW 71 and HSS 72 are also coupled to 3GPP access authentication authorization (AAA) server 73 via a cellular system interface.
- AAA 3GPP access authentication authorization
- the P-GW 71 and the 3GPP AAA server 73 may be connected to an evolved packet data gateway (e-PDG) 74 via a cellular system interface.
- e-PDG 74 may only be included in untrusted non-3GPP connections.
- the WAG 75 may play a role of P-GW in the Wi-Fi system.
- a plurality of APs 81, 82, and 83 may exist within the coverage of the cellular base station 50.
- Each AP 81, 82, 83 may have a smaller coverage than that of the cellular base station 50, respectively.
- Each AP 81, 82, 83 can communicate with a generic device 61, 62, 63 within its coverage via a Wi-Fi air interface. That is, the generic device 61, 62, 63 may communicate with the cellular base station 50 and / or the APs 81, 82, 83.
- the communication method of the general apparatus 61, 62, 63 is as follows.
- the generic device 61 may communicate with the cellular base station 50 via the cellular wireless interface and perform high-speed data communication with the AP 81 via the Wi-Fi wireless interface. have.
- the generic device 62 may communicate with either the cellular base station 50 or the AP 82 by user plane auto switch.
- the control plane may exist in both the cellular system and the Wi-Fi system, or may exist only in the cellular system or the Wi-Fi system.
- the AP 83 may perform a cellular link control mechanism such as paging or location registration of the network with respect to the cellular general apparatus 63.
- the generic device 63 is not directly connected to the cellular base station 50 but may communicate with the cellular base station 50 indirectly through the AP 83.
- Terminal cooperative transmission The generic device 64 acting as a source device communicates directly with the cellular base station 50 via a cellular air interface, or the cellular base station 50 via a generic device 65 acting as a cooperative device. Can communicate indirectly with That is, the cooperative device 65 may assist the source device 64 to allow the source device 64 to communicate with the cellular base station 50 indirectly through it. Source device 64 and cooperating device 65 communicate via a Wi-Fi air interface.
- Each AP 81, 82, 83 is connected to the WAG 75 via a Wi-Fi system interface.
- FIG. 5 illustrates an example of a procedure for acquiring primary RAT system information using a generic device when the generic device is in an active mode in the primary RAT system according to the present invention.
- the cellular system may be the primary RAT system in the converged communication system
- the Wi-Fi system may be the secondary RAT system in the converged communication system.
- the cellular system needs to know which Wi-Fi system entity is operating within its coverage. Accordingly, the Wi-Fi system entity may inform its management information to a management device such as a management server or a cellular node (eg, cellular base station, cellular controller).
- the secondary RAT system entity needs to acquire the primary RAT system information.
- the secondary RAT system entity acquires primary RAT system information from a general device through a WiFi network, and based on the obtained information.
- the WiFi network can optimize the procedure of informing the management device of self-information.
- the management server may be a device that provides a generic advertisement service (GAS) using an access network query protocol (ANQP).
- ANQP is a query protocol for access network information retrieval carried by a GAS public action frame.
- the GAS provides a function that enables the STA to find availability of information related to a desired network service.
- the information related to the desired network service may be information about services such as those provided by IBSS, local access services, possible subscription service providers (SSPs) and / or subscription service provider networks (SSPNs) or other external networks. have.
- the GAS may use a generic container to advertise information of network services over an IEEE 802.11 network. Common action frames can be used to convey this information.
- Common action frames can be used to convey this information.
- In the infrastructure BSS before the STAs are connected to the WLAN system, it is necessary to request information about network services provided by the SSPN or another external network beyond the AP. The exchange of information may be performed after being connected to the BSS.
- the management server may be a device that provides an access network discovery and selection function (ANDSF).
- ANDSF access network discovery and selection function
- the primary RAT system is described as a 3GPP LTE (-A) of the cellular system, assuming that the secondary RAT system as a Wi-Fi system, the present invention is not limited thereto.
- the secondary RAT system entity is an AP of the Wi-Fi system, the present invention is not limited thereto.
- FIG. 5 illustrates a method of acquiring primary RAT system information using the generic device when the generic device is in an active mode in the primary RAT system. That is, a method of acquiring primary RAT system information when a general device is activated in a primary RAT system (eg, a cellular system) is illustrated.
- a primary RAT system eg, a cellular system
- FIG. 6 shows an example of a procedure for acquiring primary RAT system information using a generic device when the generic device is in an idle mode in the primary RAT system according to the present invention.
- FIG. 6 illustrates a method of acquiring main RAT system information using the general apparatus when the general apparatus is in an idle mode in the main RAT system. That is, a method of acquiring primary RAT system information when the general apparatus is in the idle state in the primary RAT system (eg, cellular system) is illustrated.
- the primary RAT system eg, cellular system
- FIGS. 5 and 6 illustrating a procedure of acquiring main RAT system information using a general apparatus according to the present invention will be described in detail.
- the secondary RAT system entity eg, Access Point; AP
- the general device for primary RAT system eg, cellular system
- the primary RAT system information request may be performed by transmitting a specific request message to a general device, and the specific request message may be referred to as an advanced primary RAT system information request (ARSI-REQ) message.
- the AP may select one or more general devices among all general devices that establish a WiFi air link with the AP, and transmit the request message to them. The reason why the request message is transmitted by selecting a plurality of general devices is because of the hierarchical network type.
- a management frame of the main RAT system information request message may have a structure similar to that of a conventional IEEE 802.11 management MAC frame.
- FIG. 7 is a block diagram illustrating a format of a MAC frame provided in a WLAN system.
- the MAC frame includes a frame control field, a duration field, an address 1 field, an address 2 field, an address 3 field, and sequence control. and a sequence control field, an HT control field, a frame body, and a frame check sequence (FCS) field.
- the frame control field includes information on frame characteristics.
- the duration field may be implemented to have a different value depending on the type and subtype of the frame.
- the address 1 field to the address 3 field may include a BSSID field indicating a basic service set identifier (BSSID), an SA field indicating a source address (SA), and a DA field indicating a destination address (DA).
- BSSID basic service set identifier
- SA SA
- DA indicating a destination address
- a specific field may be configured to be implemented among a transmitting address (TA) field indicating a transmitting STA address and a receiving address (RA) field indicating a receiving STA address.
- the sequence control field is set to include a sequence number and a fragment number.
- the sequence number may indicate a sequence number assigned to the frame.
- the piece number may indicate the number of each piece of the frame.
- the HT control field includes control information related to a high throughput (HT) transmission and reception technique and / or a very high throughput (VHT) transmission and reception scheme.
- the frame body field may include data to be transmitted by a transmitting STA and / or an AP.
- the FCS field includes a bit sequence for CRC.
- the frame control field includes a protocol version subfield, a type subfield, a subtype subfield, a To DS subfield, a From DS subfield, a More Fragment subfield, and a retry. It includes a Retry subfield, a Power Management subfield, a More Data subfield, a Protected Frame subfield, and an Order subfield.
- the protocol version subfield may be set to indicate a version of a WLAN protocol applied to a corresponding MAC frame.
- the type subfield and the subtype subfield may be set to indicate information for identifying a function of a frame including the corresponding frame control field.
- the To DS subfield and the From DS subfield may represent various types of data frames, management frames, and control frames using different values.
- the more fragment subfield may be set to indicate whether there is a fragment to be transmitted following the corresponding MAC frame.
- the retry subfield may be set to indicate whether a corresponding MAC frame is due to retransmission of a previous frame.
- the power management subfield may be set to indicate a power management mode of the STA.
- the more data subfield may be set to indicate whether a frame to be additionally transmitted exists.
- the protected frame subfield may be set to include information indicating whether the frame body portion has been processed by the encryption encapsulation algorithm.
- a management frame of the primary RAT system information request message may have a structure such as the form of the IEEE 802.11 management MAC frame.
- values of a type subfield and a subtype subfield in the frame control field of the IEEE 802.11 management MAC frame are the main RAT system information request message (eg, ARSI-REQ message). Can be defined.
- the main RAT system information request message eg, ARSI-REQ message
- the reserved bit value in the type subfield and the subtype subfield e.g. ARSI-REQ message
- various types of other parameters may be included in a frame body field of the IEEE 802.11 management MAC frame to indicate that this is the main RAT system information request message (eg, an ARSI-REQ message). That is, the following action codes may be included in the frame body field.
- Action code 1 The primary RAT system accepts the request for information only if the general device is in "active mode".
- Action code 2 The primary RAT system accepts the request for information regardless of the state of the general device.
- Action code 3 Request identifier information of the network of the primary RAT system (eg, Public Land Mobile Network (PLMN)).
- PLMN Public Land Mobile Network
- Action code 4 Request identifier information of BS Controller (eg, MME (Mobility Management Entity)) of the main RAT system.
- BS Controller eg, MME (Mobility Management Entity)
- Action code 5 Request the identifier information of the cell or base station (BS) of the main RAT system.
- the BS includes all kinds of BSs such as Macro BS, Femto BS, and Pico BS.
- Action code 6 Request location information (eg coordinates) of the general device.
- the action code may be configured in the form of a bitmap, and using this, the AP may request a plurality of actions from a general device.
- the generic device After the AP transmits the primary RAT system information request message to the generic device through the WiFi air link, in the second step, the generic device receiving the primary RAT system information request message (eg, ARSI-REQ message) After performing an operation according to a state in the RAT system, a response message to the main RAT system information request message is transmitted.
- the response message to the primary RAT system information request message may be referred to as an advanced primary RAT system information response (ARSI-RSP) message.
- the management frame of the response message may have the same structure as that of the existing IEEE 802.11 management MAC frame.
- a value of a type subfield and a subtype subfield in a frame control field of the IEEE 802.11 management MAC frame is a response message (eg, an ARSI-RSP message) to the primary RAT system information request.
- a response message eg, an ARSI-RSP message
- the type subfield and the reserved bit value in the subtype subfield may be used to indicate a response message (eg, an ARSI-RSP message) to the main RAT system information request.
- a response message eg, an ARSI-RSP message
- various types of other parameters may be included in a frame body field of the IEEE 802.11 management MAC frame to indicate that the response message (eg, ARSI-RSP message) to the main RAT system information request message is included. .
- the following parameters may be included in the frame body field.
- the parameter may be omitted or set to a meaningless value.
- Not support means that the general device cannot perform the AP's request because the main RAT system or the general device does not allow the output of the action to other systems.
- Not suitable means that the general device cannot perform the request of the AP because the state with the primary RAT system is not a suitable state (eg, “active mode”).
- identifier information of a network of a main RAT system eg, Public Land Mobile Network (PLMN)
- PLMN Public Land Mobile Network
- identifier information of Cell or BS (including all kinds of BS such as Base station-Macro BS, Femto BS, Pico BS) of main RAT system
- the primary RAT system or the general device allows the output of the action to other systems. If the general device state is activated, the general device may request a primary RAT system information request message (eg, ARSI-). Regardless of the Action code 1 or 2 setting value in the REQ message), the remaining set Actions can be executed.
- a primary RAT system information request message eg, ARSI-
- the identifier information of the network may be configured as an output parameter in the response message (ARSI-RSP) frame.
- a general device may extract a Mobile Country Code (MCC) and a Mobile Network Code (MCC) in its own International Mobile Subscriber Identity (IMSI) or Globally Unique Temporary Identifier (GUTI) that has already been acquired.
- IMSI International Mobile Subscriber Identity
- GUI Globally Unique Temporary Identifier
- the general device may acquire the GUTI during attach and tracking area update (TAU).
- FIG. 8 shows an example of the structure of the International Mobile Subscriber Identity (IMSI) and the Globally Unique Temporary Identifier (GUTI) of the present invention.
- IMSI International Mobile Subscriber Identity
- GUI Globally Unique Temporary Identifier
- MSI Mobile Country Code
- MNC Mobile Network Code
- ARSI-RSP Mobile Network Code
- the identifier information of the BS controller may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the general device may extract MME Group Identifier (MMEGI) and MME Code (MMEC) from GUTI (Globally Unique Temporary Identifier) obtained as shown in FIG. It can be configured as an output parameter in the response message (ARSI-RSP) frame.
- MMEGI MME Group Identifier
- MMEC MME Code
- the identifier information of the cell or BS may be configured as an output parameter in the response message (ARSI-RSP) frame.
- ARSI-RSP response message
- PSS primary synchronization signal
- SSS secondary synchronization signal
- PCI physical cell ID
- eNB ID + PCI Cell Identity
- the identifier information of the cell may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the primary RAT system can extract the BS ID in the already received DLD Descriptor (DCD), and if the primary RAT system is IEEE 802.16m, the SFH (Super Frame Header) already received The ABS MAC ID in the sub-packet can be extracted.
- identifier information of the BS may be configured as an output parameter in the response message (ARSI-RSP) frame.
- location information of a general device may be configured as an output parameter in the response message (ARSI-RSP) frame.
- a general device uses its own method such as Observed Time Difference Of Arrival (OTDOA), Assisted Global Navigation Satellite System (A-GNSS), Enhanced Cell ID (E-CID), etc. applied to LTE Positioning Protocol (LPP).
- ODOA Observed Time Difference Of Arrival
- A-GNSS Assisted Global Navigation Satellite System
- E-CID Enhanced Cell ID
- LPP LTE Positioning Protocol
- the location can be determined and the location information of the general device can be configured as an output parameter in the response message (ARSI-RSP) frame.
- the main RAT system or the general device allows the output of the action to another system, and the action code in the main RAT system information request message (eg, ARSI-REQ message) is changed to Action code 1.
- the generic device may set 'Result' to 'reject' and 'Reason' to 'not suitable' in the response message (ARSI-RSP), and the generic device may not perform the remaining set Action. Can be.
- Action code 2 when the general device state in the primary RAT system is not activated, the general device is set.
- the operation for each action code can be executed as follows.
- the identifier information of the network may be configured as an output parameter in the response message (ARSI-RSP) frame.
- a general device may extract a mobile country code (MCC) and a mobile network code (MCC) in a globally unique temporary identifier (GUTI).
- MCC mobile country code
- MCC mobile network code
- GUI globally unique temporary identifier
- the general apparatus may extract a Plmn-IdentityList in SIB type 1 (system information block type 1) received through a broadcast channel (BCH).
- BCH broadcast channel
- the state of the general device is the 'only RRC-connected' state, it is also possible to extract the Plmn-IdentityList in the already obtained SIB 1.
- the identifier information of the extracted network may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the identifier information of the BS controller may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the general device may extract an MME Group Identifier (MMEGI) and an MME Code (MMEC) in a Globally Unique Temporary Identifier (GUTI).
- MMEGI MME Group Identifier
- MMEC MME Code
- GUTI Globally Unique Temporary Identifier
- the general device first receives the BCH SIB type 1 to determine whether a TAU is required.
- whether the TAU is required may be determined by comparing a TAC (Tracking Area Code) of a TA List owned by the general device itself with a TAC of SIB type 1, and if the TAU is required, the general device may be determined.
- a new GUTI is obtained through the TAU procedure, and if the TAU is not required, the generic device uses the existing GUTI.
- the general autonomous may not set the result in the response message (ARSI-RSP) to reject or include no corresponding information without performing a procedure for GUTI strokes or an additional operation such as BCH SIB type 1 reception.
- ARSI-RSP response message
- the identifier information of the cell or BS may be configured as an output parameter in the response message (ARSI-RSP) frame.
- a general device should receive a Primary Synchronization Signal (PSS) and a Secondary Synchronization Signal (SSS), and use a physical layer identity and a cell group identity acquired through the corresponding signal.
- Physical Cell ID (PCI) can be extracted.
- corresponding information may be extracted in the system information block type 1 through a broadcast channel.
- the state of the general apparatus is 'only RRC-connected', the corresponding information may also be extracted from the already acquired synchronization information and BCH SIB 1 information.
- the corresponding information extracted as described above may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the primary RAT system is IEEE 802.16e, it can extract the BS ID in the already received DLD Descriptor (DCD), and if the primary RAT system is IEEE 802.16m, the SFH (Super Frame Header) already received The ABS MAC ID in the sub-packet can be extracted.
- identifier information of the BS may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the general apparatus does not perform additional operations such as the procedure for synchronization, the BCH SIB 1 reception procedure, the DCD reception procedure, the SFH reception procedure, and the like, and performs a result in the response message (ARSI-RSP). You can set it to reject or not include that information.
- location information of a general device may be configured as an output parameter in the response message (ARSI-RSP) frame.
- the general device may be in an activation mode according to an Observed Time Difference Of Arrival (OTDOA), Assisted Global Navigation Satellite System (A-GNSS), Enhanced Cell ID (E-CID), etc. applied to the LTE Positioning Protocol (LPP). It is possible to determine its own location by switching to, and to configure the location information of such a general device as an output parameter in the response message (ARSI-RSP) frame.
- the general apparatus may not set the result in the response message (ARSI-RSP) to reject without including its location or may not include the corresponding information.
- the AP performs the operation according to the 'Result' parameter value in the ARSI-RSP after receiving the response message (ARSI-RSP) and the third step of reporting it to the management device (eg, the management server) in detail.
- the primary RAT system information report may be performed by transmitting a specific report message to a management server, and the specific report message may be referred to as an advanced primary RAT system information report (ARSI-REP) message.
- ARSI-REP advanced primary RAT system information report
- the AP If the 'Result' parameter in the response message (ARSI-RSP) is 'Reject', the AP requests primary RAT system information to a general device through a WiFi air link, that is, re-performs the first step. can do. Here, the AP does not send the request step to the general device that has transmitted the 'Reject'.
- the AP may transmit the obtained 'output' parameter information to the AP information management device (eg, WAG, management server). Can be. At this time, if it is possible to estimate the location of the AP itself based on the location information of the general device in the response message (ARSI-RSP), the AP may also transmit the estimated location information.
- the AP information management device eg, WAG, management server
- the AP may include an operating band, an operating class, a channel number, a MAC address of the AP (eg, a basic service set identifier (BSSID)), an HESSID of the AP, and an SSID of the AP. For example, it can transmit information related to itself, such as whether the AP is available to all users or whether the AP is available only to limited users (eg, open subscriber group or closed subscriber group with password).
- BSSID basic service set identifier
- the entity collects these information transmitted by each AP, and transforms the transmission form to the AP information management device. Can be sent to.
- the AP or the corresponding entity may know information (eg, address) about the AP information management device in advance or obtain it through an authentication server through an authentication process.
- the AP information management apparatus stores and manages parameter information in the ARSI-REP message after receiving the ARSI-REP message.
- the information managed by the AP information management device includes the MAC address (eg, Basic Service Set Identifier) of the AP, the identifier of the network of the primary RAT system overlapping with the coverage of the AP, and the primary RAT system overlapping with the coverage of the AP. It may be an identifier of a BS controller of the AP, an identifier of a cell or a base station (BS) of the main RAT system overlapping with the coverage of the AP, location information of a general device connected to the AP, and location information of the AP. have.
- MAC address eg, Basic Service Set Identifier
- the information managed by the AP information management device is the operating band (operating band), operating class (operating class), channel number (channel number) of the AP, the HESSID of the AP, the SSID of the AP, whether the AP is available to all or Information about whether the AP is available only to a limited user (eg, open subscriber group or closed subscriber group with password).
- FIG. 9 is a block diagram of a wireless communication system in which an embodiment of the present invention is implemented.
- the cellular node 800 includes a processor 810, a memory 820, and an RF unit 830.
- Processor 810 implements the proposed functions, processes, and / or methods. Layers of the air interface protocol may be implemented by the processor 810.
- the memory 820 is connected to the processor 810 and stores various information for driving the processor 810.
- the RF unit 830 is connected to the processor 810 to transmit and / or receive a radio signal.
- the Wi-Fi entity or generic device 900 includes a processor 910, a memory 920, and an RF unit 930.
- Processor 910 implements the proposed functions, processes, and / or methods. Layers of the air interface protocol may be implemented by the processor 910.
- the memory 920 is connected to the processor 910 and stores various information for driving the processor 910.
- the RF unit 930 is connected to the processor 910 to transmit and / or receive a radio signal.
- Processors 810 and 910 may include application-specific integrated circuits (ASICs), other chipsets, logic circuits, and / or data processing devices.
- the memory 820, 920 may include read-only memory (ROM), random access memory (RAM), flash memory, memory card, storage medium, and / or other storage device.
- the RF unit 830 and 930 may include a baseband circuit for processing a radio signal.
- the above-described technique may be implemented as a module (process, function, etc.) for performing the above-described function.
- the module may be stored in the memory 820, 920 and executed by the processor 810, 910.
- the memories 820 and 920 may be inside or outside the processors 810 and 910, and may be connected to the processors 810 and 910 by various well-known means.
Abstract
Description
Type value b3 b2 | Type description | Subtype value b7 b6 b5 b4 | Subtype description |
10 | Data | 1101 | Reserved |
10 | Data | 1101 | QoS CF-Poll(no data) |
10 | Data | 1111 | QoS CF-ACK+CF-Poll(no data) |
11 | Reserved | 0000-1111 | Reserved |
Claims (9)
- 무선 통신 시스템에서 주(primary) RAT(radio access technology) 시스템에 관련된 정보를 획득하는 방법에 있어서,부 RAT 시스템에 속하는 개체가 일반 장치에 상기 주 RAT 시스템에 관련된 정보를 요청하는 메시지를 전송하는데 있어서, 상기 요청 메시지는 상기 부 RAT 시스템 망을 통해 전송되며,상기 일반 장치로부터 상기 요청 메시지에 응답하여 응답 메시지를 수신하는 단계에 있어서, 상기 응답 메시지는 상기 주 RAT 시스템에 관련된 정보를 포함하며,상기 부 RAT 시스템에 속하는 개체가 상기 응답 메시지 내에 포함된 상기 주 RAT 시스템에 관련된 정보를 관리 서버에 전송하는 단계를 포함하는 것을 특징으로 하는 무선 통신 시스템에서 주(primary) RAT(radio access technology) 시스템에 관련된 정보를 획득하는 방법.
- 제 1 항에 있어서,상기 요청 메시지는 ARSI-REQ (Advanced primary RAT System Information Request) 메시지인 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 응답 메시지는 ARSI-RSP (Advanced primary RAT System Information Response) 메시지인 것을 특징으로 하는 방법.
- 제 2 항에 있어서,상기 ARSI-REQ 메시지는 기존 IEEE 802.11 MAC 프레임 형태에 의해 나타내 지는 것을 특징으로 하는 방법.
- 제 2 항에 있어서,상기 ARSI-REQ 메시지는 동작 코드(Action code)를 나타내는 파라미터를 포함하는 것을 특징으로 하는 방법.
- 제 5 항에 있어서,상기 동작 코드는 비트맵(bitmap) 형태로 구성되어 복수의 동작이 요청 가능한 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 주 RAT 시스템에 관련된 정보 외에 상기 부 RAT 시스템에 속하는 개체와 관련된 정보를 함께 상기 관리 서버에 전송하는 단계를 더 포함하는 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 주 RAT 시스템은 셀룰러 시스템이며,상기 주 RAT 시스템에 속하는 노드는 셀룰러 기지국, 셀룰러 MME(mobility management entity) 또는 상기 셀룰러 시스템의 새로운 개체 중 어느 하나인 것을 특징으로 하는 방법.
- 제 1 항에 있어서,상기 부 RAT 시스템은 Wi-Fi 시스템이며,상기 부 RAT 시스템에 속하는 각 개체는 AP인 것을 특징으로 하는 방법.
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KR1020157014587A KR101670622B1 (ko) | 2012-11-27 | 2013-07-10 | Cellular-wifi 융합시스템에서 일반장치로부터 획득한 정보를 이용하여 wifi 망을 통해 access point를 등록하는 방법 및 장치 |
CN201380061829.6A CN104995959B (zh) | 2012-11-27 | 2013-07-10 | 通过使用从公共装置获得的信息经由WiFi网络注册接入点的方法和设备 |
US14/443,309 US9769802B2 (en) | 2012-11-27 | 2013-07-10 | Method and apparatus for registering access point through WiFi network by using information obtained from common device in cellular-WiFi convergence system |
JP2015543951A JP6224723B2 (ja) | 2012-11-27 | 2013-07-10 | Cellular−WiFi融合システムにおける一般装置から取得した情報を利用してWiFiネットワークを介してAccessPointを登録する方法及び装置 |
EP13859558.2A EP2928238B1 (en) | 2012-11-27 | 2013-07-10 | Receiving information from a multi-rat device at an access point in a cellular-wifi convergence system through a wifi network |
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US201261730457P | 2012-11-27 | 2012-11-27 | |
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Also Published As
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US9769802B2 (en) | 2017-09-19 |
KR20150093675A (ko) | 2015-08-18 |
CN104995959B (zh) | 2018-11-09 |
CN104995959A (zh) | 2015-10-21 |
JP2016502342A (ja) | 2016-01-21 |
KR101670622B1 (ko) | 2016-10-28 |
JP6224723B2 (ja) | 2017-11-01 |
US20150296496A1 (en) | 2015-10-15 |
EP2928238B1 (en) | 2017-12-06 |
EP2928238A4 (en) | 2016-07-20 |
EP2928238A1 (en) | 2015-10-07 |
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