WO2001041471A1 - Equipement d'abonne et methode pour un systeme de communications mobile - Google Patents

Equipement d'abonne et methode pour un systeme de communications mobile Download PDF

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Publication number
WO2001041471A1
WO2001041471A1 PCT/GB2000/004570 GB0004570W WO0141471A1 WO 2001041471 A1 WO2001041471 A1 WO 2001041471A1 GB 0004570 W GB0004570 W GB 0004570W WO 0141471 A1 WO0141471 A1 WO 0141471A1
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WO
WIPO (PCT)
Prior art keywords
station
radio
network
service
subscriber
Prior art date
Application number
PCT/GB2000/004570
Other languages
English (en)
Inventor
Richard James Bailey
Graham Fischer
Stuart Shutt
Original Assignee
Orange Personal Communications Services Limited
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Orange Personal Communications Services Limited filed Critical Orange Personal Communications Services Limited
Priority to AU15383/01A priority Critical patent/AU1538301A/en
Publication of WO2001041471A1 publication Critical patent/WO2001041471A1/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W84/00—Network topologies
    • H04W84/02—Hierarchically pre-organised networks, e.g. paging networks, cellular networks, WLAN [Wireless Local Area Network] or WLL [Wireless Local Loop]
    • H04W84/10—Small scale networks; Flat hierarchical networks
    • H04W84/14—WLL [Wireless Local Loop]; RLL [Radio Local Loop]

Definitions

  • This invention relates to subscriber equipment for a mobile communications system, a mobile communications network and a method of controlling services in a mobile communications network.
  • the home base station is installed inside a building, for example the home of the subscriber owning a mobile station, for providing a cordless telephony link to the mobile station when the mobile station is within its coverage area.
  • home base station is connected, via a fixed line connection, to a public services telephone network (PSTN).
  • PSTN public services telephone network
  • the mobile station receives service in a cellular mobile
  • the cordless radio interface may take various forms. For example, a combined
  • GSM Global System for Mobile Communications
  • DECT Cordless Telephone
  • the coverage of the cellular network can be supplemented. Furthermore, the subscriber is able to use a single mobile station for two-way communications outside the home via the cellular radio network, and for two-way communications inside the home via a PSTN connection.
  • SMS short message service
  • system including a mobile communications network and a plurality of mobile stations, said network having a plurality of radio transceiving stations whereby said mobile stations receive radio communications service from said network, said set including a first station and a second station, wherein the first station comprises a first radio transceiver, memory means for storing first subscription data and means for registering with the
  • the mobile communications network to receive radio communications service from a radio transceiving station therein, by use of the first subscription data, wherein the second station comprises a second radio transceiver, memory means for storing second subscription data and means for registering
  • first station is connectable to the second station to receive
  • the second station is able to receive radio communications service in a
  • the first station is able to receive service, via the second station, from the mobile communications network.
  • the second station itself carries voice or other data traffic via a radio link set
  • the second station may be located, fixedly, inside a building, such as
  • the station and the first station allows the first station when inside the building to receive service which may not be available through a direct radio link with the mobile communications network in the location of the first station.
  • the second station itself stores subscription data to allow the radio transceiving apparatus to independently register for service with the mobile communications system
  • the second station is enabled with the capability of independently performing communications with the mobile
  • Such communications may consist of the exchange of control messages necessary for the servicing of a first station via the second station.
  • control messages may, for example, include instructions from the mobile communications network as to a set of one or more frequencies, within the frequency band or bands allocated to the mobile communications system for radio communications, at which the second
  • station is authorised to conduct radio communications with a first station.
  • a radio interface used between the first station and the second station may be identical with, or a modified version of, a cellular radio interface
  • the frequency re-use plan may be implemented by
  • control messages may also include messages used for
  • the second station may pass authentication challenges from the mobile communications network to the first station and authentication responses generated in the first station to the network, and receive confirmation of the authentication of the first station from the mobile network
  • the second station Since the second station stores subscription data, and has the capability to authenticate with the mobile communications network itself, a secure
  • secure data for example authenticating data allowing the radio transceiving apparatus to authenticate a first station directly, may be transmitted via an encrypted communications link from the
  • the second station may include a secure storage
  • SIM subscriber identity module
  • the radio interface technology already used for the radio interface over which the mobile stations in the network receive service may thus be re-used for the radio interface between the second station and the mobile communications system.
  • One or more of a range of services supported by that standard radio interface, and also the standard mobile stations, may thus be provided by communications via the radio transceiving apparatus.
  • radio station having a radio communications interface, means for storing subscription data whereby said radio station is to register for
  • the network entity may thus communicate, or control communications
  • subscriber station comprising a radio interface for communicating with a mobile communications network, a local device interface for communicating with one or more local devices, and a portable storage module arranged to hold authentication data for authenticating said one or more local devices.
  • a portable storage module may thus be used to securely store the authentication data for a local device in the subscriber station.
  • a subscriber station comprising a radio interface for communicating with a mobile communications network and a local device interface for communicating with one or more local devices, wherein said subscriber
  • the station is adapted to intermediate between said mobile communications network and said one or more local devices in a process or processes whereby said one or more local devices are authenticated in said network.
  • Authentication of a local device may thus be performed in the mobile communications network.
  • mobile communications network adapted to transmit authentication data to a
  • said authentication data being for one or more devices
  • Authentication data for a local device may thus be transmitted over-
  • a mobile communications network adapted to communicate with a subscriber station which is authenticated with the network, and to conduct authentication of one or more devices local to said subscriber station, by transmission of control messages over a radio interface between said network and said subscriber station.
  • Authentication of a local device may thus be performed in the mobile communications network.
  • a fixed station for use in a cellular communications system including a cellular communications network and a plurality of mobile stations, said fixed station comprising:
  • memory means for storing subscription data; radio communications means whereby the fixed station is capable of
  • local communications means for forming communications links with a plurality of home appliances
  • interworking means operating between the radio communications
  • Control of and/or reading of data from individual home appliances may thus be performed via the fixed station and the cellular communications
  • a home base station including means for registering and receiving radio communications service in a mobile communications system.
  • a fixed line link is thus not required for the receipt of service via the home base station, whilst if the home base station is correctly positioned, the
  • home base station can provide service not otherwise available to a mobile station capable of operating in the mobile communications system.
  • Figure 1 is a schematic illustration of a cellular radio network arrangement in accordance with an embodiment of the present invention
  • Figure 2 is a schematic illustration of a standard mobile station used in
  • Figure 3 shows a schematic illustration of radio transceiving
  • Figure 4 shows a mobile station/cordless station used in the cellular radio network illustrated in Figure 1 ; and Figure 5 shows a home appliance/cordless station used in the cellular radio network illustrated in Figure 1.
  • a cellular radio network also referred to as a public land mobile network (PLMN), in accordance with an embodiment of the present invention, is schematically illustrated in Figure 1.
  • PLMN public land mobile network
  • the PLMN is a GSM network.
  • the mobile switching centre (MSC) 2 is connected via communication links to a base station controller (BSC) 4.
  • BSC base station controller
  • the BSC 4 is one of a number of BSCs dispersed geographically across areas served by the mobile switching centre 2.
  • BSC 4 controls a plurality of public radio transceiving stations 6, referred to as base transceiver stations (BTSs), located remote from, and connected by further communication links to, the BSC 4.
  • BTSs public radio transceiving stations
  • the BTS 6 transmits radio signals
  • a PLMN is
  • the mobile switching centre 2 is also connected via communications
  • HLR home location register
  • IMSI international mobile subscriber identity
  • the HLR 12 is connected via a signalling link to an authentication centre (AuC) 13, which securely stores an authentication key
  • the IMSI and the Ki for a subscription are also securely stored along with other subscription specific information in the mobile station in a subscriber identity module (SIM) (to be described below), also referred to as a smart card.
  • SIM subscriber identity module
  • the SIM is removable such that the stored data is portable between mobile stations.
  • the mobile switching centre is connected to, or combined with, a visitor location register (VLR), not shown, which is a database temporarily
  • the MSC 2 and each BSC 4 are connected via signalling
  • CSN cordless telephone service node
  • a transmit/receive aerial 16 used in the PLMN comprises a transmit/receive aerial 16, a radio frequency
  • transceiver 18 a voice coder/decoder (codec) 20 connected to a loudspeaker
  • the mobile station is a mobile station 22 and a microphone 24, a digital processor 26 and its associated memory 28 (which includes ROM storing the operating system of the mobile station), a display 30 and a manual input port (e.g. a keypad) 32.
  • the mobile station is
  • the SIM 34 connected to the mobile station is a standard component of the PLMN system, and may be inserted in any similarly standardised mobile station.
  • the SIM 34 includes a digital processor 36 and SIM memory 38, which includes for example mask-programmed ROM containing the SEM operating system, read/write EEPROM for the non-volatile storage of
  • the SEM is issued to a subscriber on taking out a subscription with the
  • the SIM 34 is used for authentication functions and the storage and retrieval of data items by the processor 26 of the mobile station 8.
  • command set, data file structure and data coding format for data communicated via the interface between the mobile station processor 26 and the SEM processor 36 are all standardised (see for example GSM technical
  • the SEM 34 stores an encryption
  • the response should be verifiably
  • TMSI temporary identity
  • a home base station referred to herein as a
  • the fixed part (FP) 40 forms part of the mobile communications system in this embodiment of the invention.
  • the FP 40 is capable of communicating via a standard PLMN radio interface 9 with a BTS 6 of the PLMN.
  • the FP 40 is also capable of communicating via a cordless radio interface 41 with a mobile station/cordless station (MS/CS) 42 and a home appliance/cordless station (HA CS) 43, to be described in further detail below.
  • MS/CS mobile station/cordless station
  • HA CS home appliance/cordless station
  • the FP 40 comprises a cellular radio transmit/receive aerial 44, a cellular radio frequency transceiver 46, a digital processor 48 and its
  • the FP 40 interfaces with the PLMN.
  • the FP 40 also includes a cordless radio transmit/receive aerial 62 and a cordless radio frequency transceiver 60 which
  • the cordless radio interface 41 provides a two-way radio link via the cordless radio interface 41.
  • radio interface may be a modified version of the GSM radio interface, such as
  • the FP 40 As the FP 40 is designed to be fixedly sited, the FP 40 includes an in ⁇
  • the FP 40 may be powered directly from an electrical mains supply, and no battery power pack is required.
  • the FP 40 includes a power lead (not shown) which includes a plug adapted to be connected to a socket of the electrical mains supply, whereby the FP 40 has a permanent source of power when fixedly sited for operational use.
  • the FP 40 may also include a fixed line interface (not shown) for performing voice and/or data communications via a fixed line network (e.g. a PSTN), for example a digital subscriber line (DSL) interface to provide high speed data communications via the fixed line network.
  • a fixed line network e.g. a PSTN
  • DSL digital subscriber line
  • the FP 40 may also include a satellite transceiver (not shown), whereby higher data rates are made available for services such as (near) video on demand, video streaming, large
  • the satellite link may be used as a high speed data downlink whilst the radio interface 9 is used as a data uplink for carrying control messages, thereby enabling interactive video and multimedia services.
  • the FP 40 is also connected to a removable SIM 52 via electrical contacts 54.
  • the SIM 52 provides all SEM-related functions required in order
  • the SIM 52 may be a standard SIM as used in a standard mobile
  • the SIM 52 includes a digital processor 56 and SIM memory 58,
  • the SIM 52 is used for authentication functions and the storage and retrieval of data items by the processor 48 of the FP 40.
  • the SEVI is issued when an FP subscription is taken out by a subscriber, and subscription data corresponding to that stored in the SIM 52 is stored in the HLR 12 and AuC 13 of the PLMN.
  • the SEM 52 stores an encryption algorithm (A3), and an authentication key (Ki) of the FP 40, which it applies to a random challenge issued by the PLMN and passed to it by the FP 40, in order to generate a response.
  • the response should be verifiably related to that computed in the AuC 13 of the PLMN, in order for authentication of the FP to
  • the FP 40 is granted service in the PLMN and is issued with a temporary identity (TEMSE) whereby the FP 40 is identified (for example in paging messages broadcast in the PLMN) over TEMSE.
  • TEMSE temporary identity
  • the mobile station 8 also has a session key resulting from the authentication procedure,
  • FP 40 communicates with a BTS of the PLMN using the standard radio
  • the digital processor 48 of the FP 40 provides digital processing and
  • radio links via the radio frequency transceivers 46 and 60.
  • radio interface 9 these processing and control functions are similar to that used in a standard mobile station 8.
  • cordless radio interface 41 those processing and control functions are similar to that used in a base station of the PLMN.
  • digital processor 48 provides an interworking function between the radio interfaces 9 and 41 , which will be described in
  • the interworking function processes control messages received over either one of the radio interfaces 9, 41 and reacts by transmitting control messages over the other of the radio interfaces 41, 9.
  • the interworking function relays traffic data, such as voice traffic data or data traffic data, received over one of the radio interfaces 9, 41 , to the other of the radio interfaces 41, 9.
  • the MS/CS 42 preferably includes all of the components of a standard mobile station 8.
  • the MS/CS 42 includes all of the components described in relation to the mobile station 8, and that in Figure 4
  • MS/CS 42 includes functionality, programmed in the software used by the digital
  • processor 126 and stored in memory 128, which allows the MS/CS 42 to
  • the HA/CS 43 as illustrated in Figure 5, preferably includes all of the
  • the man machine interface components the speaker 122, the display 130, the keypad 132 and the microphone 124
  • the voice codec 120 the components of the HA/CS 43 illustrated in Figure 5 which are the same as those of the MS/CS 42 of Figure 4 are referenced with the same reference numerals as those used in Figure 4, although incremented by 100.
  • the HA/CS may have only the capability to transmit and/or receive data (i.e. not voice) traffic data to and/or from the
  • the capability to communicate directly with the PLMN via a cellular radio interface is not provided for the HA/CS 43, since the device is intended to be permanently located in the vicinity of the home of the subscriber, thereby allowing all communications to occur via the FP 40.
  • the HA/CS 43 shown is a module to be connected to a home appliance by means of a data input/output port 240.
  • the HA/CS 43 is a module to be connected to a home appliance by means of a data input/output port 240.
  • the HA/CS 43 is a module to be connected to a home appliance by means of a data input/output port 240.
  • the HA/CS 43 is a module to be connected to a home appliance by means of a data input/output port 240.
  • the HA/CS 43 is a module to be connected to a home appliance by means of a data input/output port 240.
  • the HA/CS 43 is a module to be connected to a home appliance by means of a data input/output port 240.
  • HA/CS 43 may be built into a home appliance.
  • appliances which may be connected to, or include, a HA/CS 43 include a lighting control module, a
  • the HA CS The HA CS
  • 43 may also take the form of a cordless telephone, in which case it is provided
  • voice codec and the capability to transmit and receive voice data.
  • the HA/CS 43 provides the capability to control the appliance
  • the FP 40 may act as a hub for communications with a plurality of HA/CSs 43, which may each individually send data messages to a receiving unit (such as a mobile station) serviced by the PLMN via the FP 40 and/or individually receive data messages from a transmitting unit (such as a mobile station) serviced by the PLMN.
  • a selective forwarding function to be
  • the FP is designed to be installed in a fixed location. In order to set up the FP 40 for use, the FP is placed, or securely mounted, in a fixed location
  • the location of the FP 40 is selected to provide in-building coverage to the CS. If the FP is placed within a
  • the FP may for example be placed on an upper floor
  • the FP is operable even where PLMN coverage is not available in other
  • the FP 40 is then connected directly to the mains power supply.
  • BCCHs broadcast control channels
  • the FP 40 then establishes radio contact with the selected BTS, and requests authentication.
  • the BTS 6 then transmits an authentication request towards the AuC 13.
  • the IMSI of the FP 40 is included in the authentication request.
  • the EMSI is that stored in the S M 52 of the FP 40, which is the IMSI of the separate subscription held by the FP 40 in the PLMN.
  • the AuC 13 is the AuC 13
  • the challenge message is passed by the FP to the SEM 52, which conducts the encryption function using the stored authentication key Ki, and transmits an authentication response to the BTS 6. Once the authentication response is validated in the PLMN, the
  • FP 40 is granted service in the PLMN, and the subscription details necessary to control service of the FP 40 in the PLMN are downloaded from the HLR to
  • the FP 40 receives service from the BTS 6 similarly to the manner in which a conventional mobile station 8 receives such service, in an encrypted communications session.
  • the CSN 14 holds a frequency re-use plan for the
  • the CSN 14 also holds sets of group frequency lists (GFLs) specifically
  • the CSN selects an appropriate GFL for the serving BTS 6, taking into account the frequencies used by the serving BTS 6 and adjacent BTSs, and transmits
  • the serving BTS transmits a control message to the FP 40, containing the selected GFL.
  • the FP 40 monitors ambient signal strengths at the frequencies within the list, and selects one or more frequencies, whereby to communicate with CSs being served by the FP, from the GFL at which least interference is experienced.
  • the CSN 14 also provides the FP 40, by means of a control message transmitted over the cellular radio interface 9, with a unique FP identity to be
  • the unique FP identity may be preprogrammed in the
  • the CS in its affiliation phase becomes associated with an FP 40 from
  • the CSN 14 may transmit a message, via the
  • the MS/CS 42 places the unique FP identity in a preferred FP list held in the SEM 134.
  • the MS/CS 42 may use its PLMN authentication key (Ki) as the CS authentication.
  • the CS authentication key (KCS) if this is different from the PLMN authentication key, is also transmitted in a control message and securely stored in the SIM
  • Such a message may be encrypted between the AuC 13 and the SIM 134, using an encryption key known only by the AuC and the SIM 134.
  • authentication key are preprogrammed on the SIM 234. Such provision may also be used in the case of an MS/CS 42 in an alternative to the over-the-air provision described above.
  • the CS can detect the presence of the FP to which it is affiliated on the BCCH broadcast by the FP 40, and attempt to register with the FP 40.
  • the FP 40 uses discontinuous BCCH broadcast, to prevent standard
  • each CS has
  • a CS may automatically, or under manual
  • the CS In order to register with the FP 40, the CS transmits an authentication request, containing its IMSI, to the FP 40 on the cordless radio interface 41. Authentication of a CS may be carried out by the FP itself, or may be carried out in the PLMN, by the FP 40 acting as an intermediary for authentication challenges and responses carried in control
  • the FP 40 In the case of the FP 40 conducting CS authentication itself, the FP 40 must be provided with the necessary CS authentication key or keys for the one or more CSs with which it is to be affiliated.
  • One alternative for providing the FP 40 with the CS authentication key or keys is by transmitting the data in an over-the-air control
  • the CS authentication key or keys may be preprogrammed on the SEM 52 of the FT 1 40.
  • the SIM 52 of the FP 40 securely stores the CS authentication key or keys in a secure data file
  • An exemplary form of such a data file contains a
  • the FP 40 requests from its SEM 52 an authentication challenge message
  • the authentication challenge received from the PLMN is responded to, using the stored encryption algorithm (A3) on a key, except using the CS authentication key if different to the PLMN authentication key. That is, the SEM of the CS generates a response, and the response is transmitted to the FP 40, and checked in the SIM 52 of the FP. The response is checked in the SEM 52 by
  • the FP 40 transmits a registration confirmation to the CS, which is then able to receive service in the PLMN via the FP 40.
  • the FP 40 acts as an intermediary in the authentication of CS, on receipt of the authentication request over the cordless radio interface 41, the FP 40 transmits a corresponding authentication request, containing the IMSI of the CS, to the PLMN via the cellular radio interface 9. Such authentication request is passed to the CSN 14, which requests an
  • the AuC 13 returns the
  • the FP 40 which is transmitted over the cordless radio interface 41 to the FP 40.
  • the FP 40 receives a confirmation of authentication from the PLMN. On receipt of the confirmation of authentication from the PLMN, the FP 40 transmits a registration confirmation over the cordless radio interface 41 to the CS, which then camps on to the FP 40. Because the FP 40 is itself
  • the FP 40 On registration of the CS with the FP 40, the FP 40 transmits a message to the PLMN over the PLMN radio interface 9 indicating that the CS is now to receive service via the FP 40. In response, the PLMN activates a
  • the follow-me service to be controlled by the CSN 14, for the CS in question.
  • the follow-me service is an intelligent network (EN) service which allows
  • the CS registers with the FP the Follow-me service is set up to forward all incoming calls addressed to the CS to the directory service number of the FP
  • Deregistration from the FP 40 may be activated by the
  • Deregistration from the FP 40 may be signalled by the FP 40
  • an intelligent network trigger for the Follow-me service causes the MSC 2 to hand control of the call to the CSN 14.
  • the CSN 14 responds by signalling to the MSC 2 that the call is to be forwarded to the FP 40. Accordingly, the call is forwarded to the FP 40, which causes a paging message to be transmitted by
  • the FP 40 transmits a similar paging message on the cordless radio interface 41, to which the CS may respond with an acknowledgement message, which is relayed by the FP 40 to the PLMN.
  • the call is then connected to the FP 40, and in its function as a two-way relay, the FP 40 passes all traffic data
  • the FP 40 intermediates between the PLMN and the CS to signal
  • the FP 40 the CS sets up a call over the cordless radio interface 41, and the
  • FP 40 correspondingly sets up a call over the PLMN radio interface 9.
  • the FP acts in its function as a two-way relay to pass
  • Data messages in the form of short messages may be transmitted by, and received by a CS when it is registered with the FP 40.
  • the CS transmits the short message signal to the FP 40 over the cordless radio interface 41 and the FP 40 transmits a corresponding short message signal to the PLMN over the PLMN
  • SMSC short message service centre
  • SMSC stores service data indicating that incoming short messages should be sent via the FP 40.
  • Incoming short messages which are addressed to the CS when registered with the FP 40 are redirected by the SMSC to the FT* 40, which retransmits the
  • the SMSC is also informed by the CSN when the CS deregisters from the FT* 40.
  • Another example of a service which may be provided via the FP 40 is
  • a GPRS service node To handle the case of mobile-terminating GPRS data, a GPRS service node
  • GGSN gateway node
  • the FP 40 appropriately relays GPRS data packets between the network and the CS in both directions.
  • the GPRS service node is also informed by the CSN when the CS deregisters from the FP 40.
  • More than one CS may be able to register with a single FP 40.
  • the FP 40 may have only a single subscription with
  • the FP 40 may be informed of the identity of the CS in question for
  • the SMSC may consistently add a suffix or prefix
  • the FP 40 is able to forward the short message onto the correct CS.
  • a multiple subscriber profile (MSP) function may be used in communications with the FP in order to distinguish between different CSs which are registered with the FP 40.
  • MSP multiple subscriber profile
  • each subscription may be allotted a number of different "subscriber profiles",
  • each bearer service such as voice telephony and short message service.
  • the different subscriber profiles are identified by the use of different identity codes used in the signalling for each bearer service. Different identities may thus be signalled to the FP 40 by use of different subscriber profiles to
  • mobile communications link may be provided when the mobile station
  • Location-based services such as home messaging of information specific to the home area, and home appliance control functions via a HA/CS 43, may be automatically provided when the subscriber is detected to be at home from data in the CSN 14.
  • the cordless radio interface 41 is such that the same range of services offered to a mobile station over the cellular radio interface may be obtained by a CS when registered for service with the FT* 40 via the cordless radio interface 41.
  • the cordless radio interface 41 may be provided with limited functionality compared to that
  • the FP 40 may have an alerting function, to alert the subscriber using an MS/CS 42 registered with the FP 40 that a
  • the waiting alert may be provided via the short message service, the SMSC being
  • the cordless radio interface 41 are provided for in the FP 40 by means of
  • the FP 40 may then be realised by the suitable reprogramming of conventional mobile station equipment.
  • control of a HA/CS 43 is by means of the CSN forwarding calls or redirecting data messages, which are originally directed to the HA/CS, to the FP 40 for relaying to the appropriate
  • the CSN may conduct a control dialogue with a user device (such as a mobile station 8) directly, and subsequently generate a data message to be sent to the appropriate HA/CS or HA CS s via the FP 40.
  • a user device such as a mobile station 8
  • cordless radio interface 41 in the embodiments described
  • the cordless radio interface 41 may be realised using different protocols.
  • the cordless radio interface 41 may alternatively be a short-range radio interface, such as a standard "Bluetooth” (TM) radio interface, operating at entirely different
  • the HiperLAN (ETSI) standard may also be used between the FP and CSs.
  • ETSI HiperLAN
  • the appropriate authentication key or keys may then be securely stored,
  • the link between the FP 40 and one or more of the CSs need not be a radio interface.
  • a CS may be connected to the FP 40 via a fixed-line link, in the case of the MS/CS 42 by use of a docking port when the subscriber is in the area of the FP 42.
  • the subscriber equipment includes both an MS/CS and a HA/CS, only one of these types of
  • subscriber equipment may be provided for.
  • Standard GSM voice and/or data channels may be used in the radio interfaces; alternatively other GSM channel types, such as GPRS, HSCSD, and EDGE, may be used in one or more of the radio interfaces.
  • GSM channel types such as GPRS, HSCSD, and EDGE
  • the mobile communications system in the above-described embodiments is a GSM PLMN
  • the invention is applicable to other mobile communications systems, such as third generation cellular radio systems (e.g. wideband
  • CDMA Code Division Multiple Access
  • IMT 2000 IMT 2000
  • UMTS satellite mobile communications systems, in which subscription-based services are provided.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un ensemble d'équipement d'abonné utilisé dans un système de communications mobile, comprenant un réseau de communications mobile et plusieurs stations mobiles, le réseau comprenant plusieurs stations d'émission-réception radio, les stations mobiles recevant un service de communications radio dudit réseau, et l'ensemble comprenant une première et une seconde stations. La première station comprend un premier émetteur-récepteur radio, une mémoire permettant de stocker des première données d'abonnement, et des moyens d'enregistrement à l'aide du réseau de communications mobile, afin de recevoir un service de communications radio de la station d'émission-réception radio à l'aide des premières données d'abonnement. La seconde station comprend un second émetteur-récepteur radio, une mémoire permettant de stocker des secondes données d'abonnement, et des moyens d'enregistrement à l'aide du réseau de communications mobile, afin de recevoir un service de communications radio de la station d'émission-réception radio à l'aide des secondes données d'abonnement, la première station pouvant être connectée à la seconde afin de recevoir un service dans le système de communications mobile via la seconde station.
PCT/GB2000/004570 1999-12-02 2000-11-30 Equipement d'abonne et methode pour un systeme de communications mobile WO2001041471A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU15383/01A AU1538301A (en) 1999-12-02 2000-11-30 Subscriber equipment and method for a mobile communications system

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB9928522A GB2357009A (en) 1999-12-02 1999-12-02 Dual mode phone and cellularly linked cordless base station
GB9928522.3 1999-12-02

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Publication Number Publication Date
WO2001041471A1 true WO2001041471A1 (fr) 2001-06-07

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USRE46714E1 (en) 2005-10-31 2018-02-13 Evolved Wireless Llc Method of transmitting and receiving radio access information in a wireless mobile communications system
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USRE46602E1 (en) 2005-10-31 2017-11-07 Evolved Wireless Llc Method of transmitting and receiving radio access information in a wireless mobile communications system
USRE46643E1 (en) 2005-11-28 2017-12-19 Evolved Wireless Llc Method and apparatus for generating and transmitting code sequence in a wireless communication system
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US9775177B2 (en) 2008-08-11 2017-09-26 Evolved Wireless Llc Data transmission method and user equipment for the same
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GB2357009A (en) 2001-06-06
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