WO2003055246A1 - Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station - Google Patents
Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station Download PDFInfo
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- WO2003055246A1 WO2003055246A1 PCT/EP2001/015395 EP0115395W WO03055246A1 WO 2003055246 A1 WO2003055246 A1 WO 2003055246A1 EP 0115395 W EP0115395 W EP 0115395W WO 03055246 A1 WO03055246 A1 WO 03055246A1
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- mobile terminal
- mobile
- terminal
- network
- relay
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Classifications
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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
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/24—Radio transmission systems, i.e. using radiation field for communication between two or more posts
- H04B7/26—Radio transmission systems, i.e. using radiation field for communication between two or more posts at least one of which is mobile
- H04B7/2603—Arrangements for wireless physical layer control
- H04B7/2606—Arrangements for base station coverage control, e.g. by using relays in tunnels
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L45/00—Routing or path finding of packets in data switching networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/24—Accounting or billing
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W40/00—Communication routing or communication path finding
- H04W40/02—Communication route or path selection, e.g. power-based or shortest path routing
- H04W40/04—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources
- H04W40/10—Communication route or path selection, e.g. power-based or shortest path routing based on wireless node resources based on available power or energy
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W8/00—Network data management
- H04W8/22—Processing or transfer of terminal data, e.g. status or physical capabilities
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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
- H04W88/04—Terminal devices adapted for relaying to or from another terminal or user
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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
- H04W88/08—Access point devices
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- the present invention relates to a mobile communications network.
- a fixed communication network generally allows data or voice to be communicated between fixed terminals.
- An example of such a network is a public switched telephone network (PSTN) in which subscribers communicate using fixed telephone
- LANs local-area networks
- WANs wide-area networks
- Fixed communication networks tend to restrict mobility of the users. If the user moves, they often have little choice but to disconnect their terminal from the network and reconnect at a different location. This is inconvenient for the user
- network reconnection is not without its problems, particularly as it requires a connection point at the new location.
- a mobile communication network helps to overcome these problems.
- An example 20 of such a network is a public land mobile network (PLMN) such as the global system for mobile communication (GSM) network.
- PLMN public land mobile network
- GSM global system for mobile communication
- Mobile terminals exchange signals with geographically-spaced base stations included in the network using radio signals. This allows the user to make and receive calls within a large area, even while moving. Mobility is achieved not only because wireless connections are used, 25 but also because the mobile terminal is dynamically allocated a suitable base station. Thus, if the user is moving, a connection to one base station can be dropped and a new connection to another base station can established automatically so as to provide seamless coverage.
- Mobile communication networks and mobile terminals are becoming increasingly common.
- so-called 2 nd generation mobile telecommunication systems such as GSM networks
- 3 r generation systems such as universal mobile telecommunications standard (UMTS) networks.
- UMTS universal mobile telecommunications standard
- users are becoming more rehant on their mobile terminals. Therefore, it is important that users are able to access the mobile communications network freely.
- a radio link between the terminal and the base station may be of poor quality. This can happen when the user is located indoors.
- the base station may not be able to provide sufficient channels to mobile terminals requiring service. This often occurs when a large number of people gather at one place, for example at a sports stadium.
- the present invention seeks to provide an improved mobile communications network for mobile terminals.
- a mobile communications network for mobile terminals including a fixed station for exchanging signals with a first mobile terminal, a second mobile terminal configured to relay signals between said fixed station and said first mobile terminal wherein the network is configured to store information relating to use of the second mobile terminal as a relay.
- the network may be configured to store or continue to store said information subsequent to completion of said relay.
- the network may include a server wherein said information is stored at said server.
- the information may be stored at the second mobile terminal.
- the information may include a value of credit for relaying said signals.
- the credit may be redeemable.
- the network may be configured to provide said second mobile terminal with a service in response to redemption of said credit.
- the network may include a subsidiary mobile communications network for relaying said signals between the fixed station and said first mobile network.
- the second mobile terminal may include a router for forwarding signals between said fixed station and said first mobile terminal.
- the router may be configured to operate according to Internet Protocol.
- the network may include a third mobile terminal configured to relay signals between said fixed station and said first mobile terminal.
- the network may be configured to store information relating to previous use of said second mobile as a relay.
- the network may be configured to accumulate information relating to use of said second mobile as a relay.
- a method of mobile communication in a mobile communications network including a fixed station for exchanging signals with a first mobile terminal, the method comprising using a second mobile terminal to relay signals between said fixed station and said first mobile terminal and storing information relating to use of the second mobile as a relay.
- a mobile terminal for communication with a fixed station included in a mobile communications network, said mobile terminal being configured to relay signals between said fixed station and another mobile terminal and to provide information to said network relating to its use as a relay.
- the terminal may include a first wireless interface for communicating with said fixed station.
- the terminal may include a second, different wireless interface for communicating with said other mobile terminal.
- a server associated with a mobile communications network for storing information relating to mobile terminals, said server configured to store relay information in response to a first mobile terminal exchanging signals with a fixed station included in said network via a second mobile terminal.
- a method in a mobile communications network, of rewarding a first mobile terminal for relaying signals between a second mobile terminal and either a third mobile terminal or a fixed station, the method comprising awarding credit to said first mobile terminal, wherein said credit is exchangeable for money or money's worth.
- a mobile communications network for mobile terminals including a first mobile terminal for relaying signals between a second mobile terminal and either a third mobile terminal or a fixed station, the network being configured to award credit to said first mobile terminal, wherein said credit is exchangeable for money or money's worth, so as to reward said first mobile terminal for relaying said signals.
- the network may be configured to store information relating to said credit awarded.
- a server associated with a mobile communications network which includes a first mobile terminal for relaying signals between a second mobile terminal and either a third mobile terminal or a fixed station, the server being configured to award credit to said first mobile terminal, wherein said credit is exchangeable for money or money's worth, so as to reward said first mobile terminal for relaying said signals.
- a mobile terminal for use in mobile communications network and for relaying signals between another mobile terminal and either yet another mobile terminal or a fixed station, said terminal being configured to award itself or be awarded credit for relaying said signals, wherein said credit is exchangeable for money or money's worth.
- a method in a mobile communications network, of rewarding a first mobile terminal for relaying signals between a second mobile terminal and either a third mobile terminal or a fixed station, the method comprising extending call-time of said first mobile terminal.
- a method of operating a mobile communications network including a first mobile terminal for relaying signals between a second mobile terminal and either a third mobile terminal or a fixed station, the method comprising rewarding the first mobile terminal for relaying said signals with increased network access.
- the rewarding of the first mobile terminal with increased network access may comprise increasing call-time or data volume available to the first mobile terminal.
- Figure 1 shows a mobile communications network and mobile terminals according to a first embodiment of the present invention
- Figure 2 is a schematic block diagram of a mobile terminal shown in Figure 1
- Figure 3 is a schematic block diagram of a server shown in Figure 1
- Figure 4 illustrates a first type of table held by the server of Figure 1
- Figure 5 illustrates a second type of table held by the server of Figure 1
- Figure 6 is a process flow diagram showing a first procedure by which a first terminal, using a second terminal as a relay, is connected to a third terminal
- Figure 7 is a process flow diagram showing a second connection procedure
- Figure 8 is a process flow diagram showing a first procedure by which communication is terminated;
- Figure 9 is a process flow diagram showing a second termination procedure
- Figure 10 is a process flow diagram showing a third termination procedure
- Figure 11 shows a display of a mobile terminal whose signals are being relayed by another terminal
- Figure 12 shows a mobile communications network and mobile terminals according to a second embodiment of the present invention
- Figure 13 is a process flow diagram showing a procedure by which a first terminal, using two terminals as relays, is connected to another terminal.
- a mobile communications network 1 includes first and second base stations 2, 3.
- the network 1 is a public land mobile network (PLMN), such as a GSM network.
- PLMN public land mobile network
- the network 1 includes a server 4 for logging network use and will be described in more detail later.
- First, second, third and fourth mobile terminals 5, 6, 7, 8 are suitable for use with the network 1.
- Each terminal 5, 6, 7, 8 can be used to communicate with other mobile terminals or, via an additional fixed communications network (not shown), with fixed terminals (not shown).
- the fixed communications network can be a public switched telephone network.
- the terminal 5 may be unable to use the network 1 because wireless signals received at the terminal 5 from a base station or those received at a base station from the terminal 5 are too weak. This usually occurs if the terminal 5 is located outside an area of coverage provided by the communications network's base stations or if the terminal 5 is located inside a building. Iriterfefehce ff ⁇ m ⁇ hother source can also render wireless signals unusable, i.e. the signals are too noisy.
- the terminal 5 may not be able to use the network 1 in that, despite there being strong enough signals, there is no communication channel available.
- the terminal 5 may be located within an area of coverage provided by a third base station (not shown) which has already allocated all its communications channels to other mobile terminals. This often occurs if there is a high density of mobile terminals.
- a solution to this problem is to employ the second mobile terminal 6 as a relay.
- the second terminal 6 effectively expands coverage provided by the network 1.
- the first mobile terminal 5 benefits from this arrangement since it is provided with service that it would otherwise not have.
- the second mobile terminal 6 can also benefit from this arrangement by being "paid" for use of its resources.
- more than one mobile terminal can be used as a relay.
- each mobile terminal 5, 6, 7, 8 includes a CPU 9, memory 10, display 1, first wireless interface 12 which comprises a modulator 13 and an antenna 14, second wireless interface 15, which comprises a modulator 16 and an antenna 17 and a routing module 18 for routing data to one of the wireless interfaces 12, 15.
- the terminals 5, 6, 7, 8 may also include an input/output 19 for exchanging data over wired networks (not shown), a data input 20, such as keypad or touch sensitive screen, a microphone 21 and a speaker 22. Data is exchanged between these elements 10, 11, 13, 16, 19, 20, 21, 22 using a bus 23.
- the first wireless interface 12 is configured to exchange signals with the mobile communications network 1, which in this case is a GSM network.
- the second wireless interface 14 is configured to exchange signals through a subsidiary mobile communications network (not shown).
- the subsidiary network is an ad-hoc wireless network according to the BluetoothTM specification.
- the subsidiary wireless interface may comprise a Bluetooth transceiver chip.
- coverage provided by the network 1 is greater than the subsidiary network.
- a GSM base station may provide coverage in a cell with a radius of a ⁇ few kilometres provided there are no obstacles.
- Bluetooth transceiver chips typically have a range less than a hundred meters. However, users often are located indoors where GSM network coverage is poor, but connection to at least one Bluetooth chip is possible. Routing is conducted according to Internet Protocol (IP).
- IP Internet Protocol
- the network 1 and the subsidiary network can be one and the same and so a single wireless interface could be used.
- a system specification (Version 1.0) and a system overview may be found on the world-wide web at www.bluetooth.org or obtained from Bluetooth SIG, c/o Daniel Edlund, facsimile number +46 70 615 9049.
- the server 4 monitors and records use of terminals 5, 6, 7, 8 as and when they are used to relay signals.
- the server 4 includes a CPU 24, memory 25, storage 26, such as a hard-disk drive, and a network controller 28, which exchange data through a bus 29.
- storage 26 holds a user database 30 including information relating to each user registered to use the network 1.
- the user information includes user ID 30, communications charges incurred 32 and credit 33 accumulated arising from use of the mobile terminal as a relay. Credit may be awarded according to different criteria, such as the length of time of a terminal is used as a relay, a number of packets passing through the terminal, a number of times the terminal is used as a relay and/or power consumed. Credit 33 may be offset against charges, used for increased network access, used to obtain gifts or acquire some other benefit. Network access may be increased according to time and/ or volume. It includes providing free calls, increased call-time and increased data volume. Charge offset includes providing rate discounts. Thus, there is an incentive for a user to ⁇ allow their mobile terminal to be used as a relay.
- Credit information 33 may also be held in memory 10 ( Figure 2) of each respective mobile terminal 5, 6, 7, 8. Credit information 33 can be updated periodically, following a relay or on-demand. This allows the user to find out how many points 33 have been accumulated.
- storage 26 also holds a relay information table 34 including information relating to communication sessions in which one or more mobile terminals are used as a relay.
- the session information includes a session number 35, the identities of the terminals 36, 37, start and end times 38, 39 and identities of mobile terminals used as relays 40, 41. It will be appreciated that other information may be stored.
- the first mobile terminal 5 attempts to establish contact with the third mobile terminal 7 through the mobile communications network 1.
- the first mobile terminal 5 is deemed to be a source terminal and the third mobile terminal 7 is taken to be a destination terminal.
- the first terminal 5 establishes whether a base station 2, 3 is contactable and, if so, whether a communication channel is available (step SI). If either limb of this test fails, then the first mobile terminal 5 establishes whether another mobile terminal 6, 7, 8 is prepared and able to act as a relay.
- the subsidiary communications network not shown
- the first mobile terminal 5 establishes a connection with the second mobile terminal 6 and sends a relay request (step S2).
- the second mobile terminal 6 estabhshes whether a base station 2, 3 is contactable and, if so, whether a communication channel is available (step S3). In this case, the second mobile terminal 6 is provided with service by the first base station 2. Therefore, the second terminal 6 replies to the first mobile terminal 5 indicating that it is prepared to relay signals between the first terminal 5 and the first base station 2 (step S4).
- the first terminal 5 sends information relating to the identity of the source and destination terminals, namely the first and third terminals 5, 7 respectively, to the second terminal 6 over the subsidiary network (step S5).
- the second terminal 6 sends a message to the server 4, through the first base station 2 ( Figure 1) via the network 1 ( Figure 1) (step S6).
- the message includes information relating to the identity of the source and destination terminals and the identity of the relay terminal.
- the server 4 sends a message to the third terminal 7 indicating that the first terminal 5 wishes to establish a connection (step S7). In this example, it is assumes that the third terminal 7 is provided with service by the second base station 3.
- step S8 If the third terminal 7 agrees to the connection with the first terminal 5, it sends an acknowledgement to the server 4 (step S8).
- the server 4 thereafter starts a timer (step S9).
- the acknowledgement is transmitted through the network 1 to the second terminal 6 (step S10), which in turn transmits the acknowledgement through the subsidiary network to the first terminal (step Sll).
- a channel between the first and third terminals 5, 7 is opened allowing the terminals 5, 7 to communicate (step S12).
- the routing module 18 of the second terminal 6 is responsible for directing data received by the first wireless interface 12 and feeding it to the second wireless interface 15 and vice versa.
- the user of the second terminal 6 may still able to make and receive calls or send and receive data even while being used as a relay by the first terminal 5. This can be achieved using time division multiple access (TDMA), wherein TDMA slots are allocated for the terminal's own use and different TDMA slots are allocated for use by another terminal. It will be appreciated that the second terminal 6 may be able to relay signals for a plurality of terminals simultaneously.
- TDMA time division multiple access
- the first mobile terminal 5 checks whether it is can be serviced by the mobile communications network 1.
- the first terminal 5 estabhshes whether a base station 2, 3 is contactable. It may also check whether a communication channel is available (step SI 3). If no base station 2, 3 is contactable, the first mobile terminal 5 estabhshes whether another mobile terminal 6, 7, 8 is prepared and able to act as a potential relay.
- the first mobile terminal 5 establishes a connection with the second mobile terminal 6 and sends a relay request (step SI 4).
- the second mobile terminal 6 estabhshes whether a base station 2, 3 is contactable and, if so, whether a communication channel is available (step SI 5).
- the second mobile terminal 6 is provided with service by the first base station 2. Therefore, the second terminal 6 rephes to the first mobile terminal 5 indicating that it is prepared to relay signals between the first terminal 5 and the first base station 2 (step SI 6). The second terminal 6 notifies the server 4 that signals intended for the first terminal 5 can be directed through the second terminal 6 (step SI 7). This is stored in the relay information table 34 ( Figure 5).
- the first terminal 5 can perform this check periodically, for example every few seconds.
- the terminal 5 can send a relay request through the subsidiary network as soon as it detects that it is no longer provided with service by the network 1.
- the third mobile terminal 7 attempts to estabhsh contact with the first mobile terminal 5 through the network 1.
- the third mobile terminal 7 is deemed to be the source terminal and the first mobile terminal 5 is deemed to be the destination terminal.
- the third terminal 7 transmits a message including information relating to the identity of the source and destination terminals to the server 4 using the network 1 (step SI 8).
- the server 4 looks-up who is relaying signals to the first terminal 5 in the relay information table 34.
- the server 4 thereafter sends a message, indicating that the third terminal 5 wishes to estabhsh a connection with the first terminal 5, to the second terminal 5, through the network ⁇ ⁇ 1 (step SI 9).
- the second terminal 6 relays the message to the first terminal 5 using the subsidiary network (step S20).
- the first terminal 5 If the first terminal 5 agrees to the connection with the third terminal 7, it sends an acknowledgement to the server 4 via the second terminal (steps S21 & S22).
- the server 4 starts a timer (step S23) and transmits the acknowledgement to the third terminal 7 (step S24).
- a channel between the first and third terminals 5, 7 is opened allowing the terminals 5, 7 to communicate (step S25).
- the first terminal 5 if the first terminal 5 ends communications, it sends an end notification message to the second terminal 6 over the subsidiary network (step S26).
- the second terminal 6 passes on this message to the server 4 (step S27).
- the second terminal 6 can also send other information relating to its use as a relay, such as time spent relaying, number of packets relayed, amount of power consumed etc.
- the server 4 stops it timer and notifies the third terminal that communication has ended (step S29).
- the third terminal 7 if the third terminal 7 ends communication, it sends an end notification message to the server 4 (step S30).
- the server 4 stops its timer and passes on this message to the second terminal 6 (step S31).
- the second terminal 6 then notifies the first terminal 31 that communication has ended (step S32).
- the second terminal 6 can return a message to the server 4 with information relating to its use as a relay.
- the second terminal 6 if the second terminal 6 ends communication, it sends an end notification message to the first terminal 5 (step S34) and also to the server 4 (step S35).
- the second terminal 6 can include information in the message relating to its use as a relay.
- the server 4 When the server 4 stops its timer or receives information relating to a relay terminal it updates the user database 30 ( Figure 4), for example adding communication charges to the first terminal's account and adding relay points to the second terminal's account.
- the display 10 indicates this fact.
- the relay terminal may also indicate that it is being used as a relay.
- each mobile terminal 5, 6, 7, 8 may optionally be provided with a relay management module (not shown). This allows either the user or the terminal itself to choose whether the terminal can be used as a relay. For example, the user can select an option in a menu indicating that they are prepared to allow their terminal to be used. In another example, relay may be permitted provided there is sufficient battery charge.
- only one terminal is used as a relay. However, more than one terminal can be used.
- the first mobile terminal 5 attempts to estabhsh contact with the third mobile terminal 7 through the mobile communications network 1.
- the first terminal 5 establishes whether a base station 2, 3 is contactable and, if so, whether a communication channel is available (step S38). If either limb of this test fails, then the first mobile terminal 5 estabhshes whether another mobile terminal 6, 7, 8 is prepared and able to act as a relay. Using the second mobile communications network (not shown), the first mobile terminal 5 estabhshes a connection with the fourth mobile terminal 8 and sends a relay request (step S39).
- the fourth mobile terminal 8 estabhshes whether a base station 2, 3 is contactable and, if so, whether a communication channel is available (step S40). T ⁇ this case, the fourth mobile terminal 8 is not provided with service. Therefore, still using the second mobile communications network (not shown), the fourth mobile terminal 8 estabhshes a connection with the second mobile terminal 7 and sends a relay request (step S41).
- the second mobile terminal 6 estabhshes whether a base station 2, 3 is contactable and, if so, whether a communication channel is available (step S42) . In this case, the second mobile terminal 6 is provided with service by the first base station 2.
- the second terminal 6 rephes to the fourth mobile terminal 8 indicating that it is prepared to relay signals between it and the first base station 2 (step S43) .
- the fourth terminal 8 rephes to the first terminal 5 indicating that it is able to relay signals between it and the first base station (step S44).
- the first terminal 5 sends information relating to the identity of the source and destination terminals, namely the first and third terminals 5, 7 respectively, to the fourth terminal 6 (step S45).
- the fourth terminal 6 sends a message to the second terminal 6 (step S46).
- the message includes information relating to the identity of the source and destination terminals and the identity of a first relay terminal, namely the fourth terminal 8.
- the second terminal 8 sends a message to the server 4 (step S47).
- the message includes information relating to the identity of the source and destination terminals, the identity of the first relay terminal and identifies itself as a second relay terminal.
- the server 4 sends a message to the third terminal 7 indicating that the first terminal 5 wishes to estabhsh a connection (step S48) . If the third terminal 7 agrees to the connection with the first terminal 5, it sends an acknowledgement to the server 4 (step S49). The server 4 thereafter starts a timer (step S50). The acknowledgement is transmitted through the network 1 to the second terminal 6 (step S51), which in turn transmits the acknowledgement through the second network (not shown) to the first terminal 5, via the fourth terminal 6 (steps S52 & 53). A channel between the first and third terminals 5, 7 is opened allowing the terminals 5, 7 to communicate (step S54).
- the first and third terminals 5, 7 communicate using the second and fourth terminals 6, 8 as a relay.
- the server 4 not only records use of the second term ⁇ har6 ⁇ as a relay, but also use of the fourth terminal 8.
- the terminals may be configured to operate according to protocols designed to handle confhcts between two terminals which receive a relay request and which compete to be the relay, for example on a "first come-first served" basis.
- the terminal may be configured to search for the shortest route between a terminal and a base station.
- the terminal can store these routes, including information regarding the identity of relays, in a routing table.
- the terminal chooses a route and communicates with a base station. However, should transmission through the chosen route fail, for example due to relocation of the relay or introduction of an obstacle, the terminal can select another route.
- both the source and destination terminals may benefit from using relays.
- coverage may be extended to the source terminal by one or more relay terminals, while coverage may also be extended to an intended destination terminal by one or more other relay terminals.
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Abstract
Description
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Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003555834A JP2005513931A (en) | 2001-12-21 | 2001-12-21 | Mobile communication network |
US10/499,718 US7363003B2 (en) | 2001-12-21 | 2001-12-21 | Mobile communication network using mobile station with relay-function and method for rewarding relay activities of mobile station |
AU2002238492A AU2002238492A1 (en) | 2001-12-21 | 2001-12-21 | Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station |
PCT/EP2001/015395 WO2003055246A1 (en) | 2001-12-21 | 2001-12-21 | Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station |
EP01986947A EP1457069A1 (en) | 2001-12-21 | 2001-12-21 | Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station |
CNA018238998A CN1582590A (en) | 2001-12-21 | 2001-12-21 | Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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PCT/EP2001/015395 WO2003055246A1 (en) | 2001-12-21 | 2001-12-21 | Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station |
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WO2003055246A1 true WO2003055246A1 (en) | 2003-07-03 |
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PCT/EP2001/015395 WO2003055246A1 (en) | 2001-12-21 | 2001-12-21 | Mobile communications network using mobile station with relay-function and method for rewarding relay activities of mobile station |
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Country | Link |
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US (1) | US7363003B2 (en) |
EP (1) | EP1457069A1 (en) |
JP (1) | JP2005513931A (en) |
CN (1) | CN1582590A (en) |
AU (1) | AU2002238492A1 (en) |
WO (1) | WO2003055246A1 (en) |
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DE102004019106A1 (en) * | 2004-04-20 | 2005-11-17 | Siemens Ag | Telecommunications method for operating a radiotelephone communications system uses subscriber stations/mobile telephones and base stations inside and outside a radio coverage range |
WO2006000515A1 (en) * | 2004-06-23 | 2006-01-05 | Siemens Aktiengesellschaft | Method for operating a radio communications system with subscriber stations serving as routing nodes, a routing method and a corresponding subscriber station |
WO2006035059A2 (en) * | 2004-09-30 | 2006-04-06 | Nokia Siemens Networks Gmbh & Co. Kg | Routing module for forwarding messages in an ad-hoc multi-hop network |
WO2006043902A1 (en) * | 2004-10-21 | 2006-04-27 | Matsushita Electric Industrial Co., Ltd. | Method and system for identifying a relay mobile station in a wireless communication network |
WO2006068878A1 (en) * | 2004-12-22 | 2006-06-29 | Sony Ericsson Mobile Communications Ab | Methods of providing multiple data paths using a mobile terminal and related devices |
EP1724945A1 (en) * | 2005-05-19 | 2006-11-22 | Alcatel | Radio access system with extended service coverage |
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Also Published As
Publication number | Publication date |
---|---|
AU2002238492A1 (en) | 2003-07-09 |
US7363003B2 (en) | 2008-04-22 |
US20050227616A1 (en) | 2005-10-13 |
CN1582590A (en) | 2005-02-16 |
EP1457069A1 (en) | 2004-09-15 |
JP2005513931A (en) | 2005-05-12 |
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