Handover between mobile communication networks
First Claim
1. User equipment for a mobile communication network comprising:
- a processor, a storage device, receiver circuitry, and transmitter circuitry,wherein the processor is configured to control operation of the storage device, receiver circuitry and transmitter circuitry,wherein, the storage device is configured to store a first list and a second list, the second list being a list of network preferences, said user equipment being configured to receive modifications to at least part of the second list from a user and update at least part of the second list stored in said storage device based thereon,wherein, the receiver circuitry is configured to receive a first message from a current active mobile communication network while a call is in progress, said first message including the first list of a plurality of mobile network identities corresponding to a plurality of available mobile networks for a potential handover, each mobile network being capable of supporting a plurality of cells, the plurality of available mobile networks being determined by the current active mobile communication network by scanning an area for all available mobile networks within the area, the first list being received from the current active mobile communication network based on a determined signal level of a signal transmitted by the user equipment,wherein the processor is configured to select one mobile network of the plurality of available mobile networks to which the user equipment is handed over based on a comparison of the first list and the second list, andwherein the transmitter circuitry is configured to transmit, to the mobile communication network, a message that comprises a mobile network identity that is selected from the first list of mobile network identities corresponding to the plurality of available mobile networks.
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Abstract
A method of handover from an active network to a selected one of a plurality of potential other networks is provided. For example, the method may comprise scanning an area for all available networks within the area by a current active mobile communication network, storing a list of plurality of network identifiers and corresponding cell information based upon the scanning, receiving a signal from a user equipment, determining a signal level of the signal received from the user equipment; and transmitting a first message including a first list including the list of the plurality of network identifiers stored to the user equipment based upon the determined signal level. The transmitting of the first message occurs without the user equipment searching said mobile communication network. The list includes all of the available networks within the area. Also provided are user equipment and a mobile communication network for performing handover.
85 Citations
12 Claims
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1. User equipment for a mobile communication network comprising:
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a processor, a storage device, receiver circuitry, and transmitter circuitry, wherein the processor is configured to control operation of the storage device, receiver circuitry and transmitter circuitry, wherein, the storage device is configured to store a first list and a second list, the second list being a list of network preferences, said user equipment being configured to receive modifications to at least part of the second list from a user and update at least part of the second list stored in said storage device based thereon, wherein, the receiver circuitry is configured to receive a first message from a current active mobile communication network while a call is in progress, said first message including the first list of a plurality of mobile network identities corresponding to a plurality of available mobile networks for a potential handover, each mobile network being capable of supporting a plurality of cells, the plurality of available mobile networks being determined by the current active mobile communication network by scanning an area for all available mobile networks within the area, the first list being received from the current active mobile communication network based on a determined signal level of a signal transmitted by the user equipment, wherein the processor is configured to select one mobile network of the plurality of available mobile networks to which the user equipment is handed over based on a comparison of the first list and the second list, and wherein the transmitter circuitry is configured to transmit, to the mobile communication network, a message that comprises a mobile network identity that is selected from the first list of mobile network identities corresponding to the plurality of available mobile networks. - View Dependent Claims (2, 3)
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4. A mobile communication network with which user equipment is connected comprising:
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a processor, a storage device, receiver circuitry, and transmitter circuitry, wherein the processor is configured to control operation of the storage device, receiver circuitry and transmitter circuitry, wherein the receiver circuitry is configured to scan an area for all available mobile networks within the area, each mobile network being capable of supporting a plurality of cells, wherein the storage device is configured to store a list of a plurality of mobile network identities and corresponding cell information based upon the scanning, the list including all the available mobile networks within the area; wherein the processor is configured to determine a signal level of a signal received from the user equipment, and wherein the transmitter circuitry is configured to transmit a first message including a first list that includes the list of the plurality of mobile network identities stored to the user equipment based upon the determined signal level, the transmitting of said first message occurring without said user equipment searching said mobile communication network, wherein the user equipment is associated with a second list, the second list being a list of network preferences, at least part of the second list is configured to be modified by a user, and at least part of the second list is updated based thereon, wherein the receiver circuitry receives from the user equipment a message that comprises a mobile network identity that is selected from the first list of mobile network identities corresponding to the plurality of available mobile networks. - View Dependent Claims (5, 6)
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7. A method comprising:
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scanning an area for all available mobile networks within the area by a current active mobile communication network, each mobile network being capable of supporting a plurality of cells; storing a list of plurality of mobile network identities and corresponding cell information based upon the scanning, the list including all the available mobile networks within the area; receiving a signal from a user equipment; determining a signal level of the signal received from the user equipment; transmitting a first message including a first list that includes the list of the plurality of mobile network identities stored to the user equipment based upon the determined signal level, the transmitting of said first message occurring without said user equipment searching a mobile communication network, wherein the user equipment is associated with a second list, the second list being a list of network preferences, at least part of the second list is configured to be modified by a user, and wherein at least part of the second list is updated based thereon; and receiving from the user equipment a message that comprises a mobile network identity that is selected from the first list of mobile network identities corresponding to the plurality of available mobile networks. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification