Implementation of multiple simultaneous calls in a mobile communication system

A method comprising:

• assigning only one common traffic channel exclusively to two or more simultaneous mobile communication network calls of one mobile station,
• dynamically sharing a capacity of the common traffic channel exclusively between the simultaneous mobile communication network calls according to instantaneous traffic of the calls,
• negotiating with the mobile station about a channel capacity needed for each simultaneous mobile communication network call,
• adjusting the capacity of said common traffic channel dynamically according to the instantaneous traffic of the mobile communication network calls by one or more of:
• changing a number of the allocated subchannels in the traffic channel;
• changing channel coding;
• and changing a ratio of chip rate to data rate in a code division multiple access system.

A method comprising:

• assigning only one common traffic channel exclusively to two or more simultaneous mobile communication network calls of one mobile station,
• dynamically sharing a capacity of the common traffic channel exclusively between the simultaneous mobile communication network calls according to instantaneous traffic of the calls,
• negotiating with the mobile station about a channel capacity needed for each simultaneous mobile communication network call,
• establishing one radio link protocol link or link access control protocol link over the traffic channel between the mobile station and an interworking function,
• establishing a logical channel for each simultaneous mobile communication network call or each connection of each mobile communication network call inside said one radio link protocol link or link access control protocol link, and
• transmitting user data of each simultaneous mobile communication network call or each connection of each mobile communication network call via the respective logical channel.

A method comprising:

• assigning only one common traffic channel exclusively to two or more simultaneous mobile communication network calls of one mobile station,
• dynamically sharing a capacity of the common traffic channel exclusively between the simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• negotiating with the mobile station about a channel capacity needed for each simultaneous mobile communication network call,
• establishing a dedicated radio link protocol link or a link access control protocol link for each mobile communication network call or each connection over the traffic channel between the mobile station and an interworking function, and
• transmitting user data of each mobile communication network call via a logical channel established by the respective radio link protocol link or link access control protocol link.

A method comprising:

• assigning only one common traffic channel exclusively to two or more simultaneous mobile communication network calls of one mobile station,
• dynamically sharing a capacity of the common traffic channel exclusively between the simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• negotiating with the mobile station about a channel capacity needed for each mobile communication network call,
• establishing one radio link protocol link or link access control protocol link over the common traffic channel between the mobile station and an interworking function, and
• transmitting data packets of a packet-switched call either interleaved with the protocol frames of the radio link protocol link or the link access control protocol link or encapsulated in the protocol frames.

A method comprising:

• assigning only one common traffic channel exclusively to two or more simultaneous mobile communication network calls of one mobile station,
• dynamically sharing a capacity of the common traffic channel exclusively between the simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• negotiating with the mobile station about a channel capacity needed for each mobile communication network call,
• establishing a radio link protocol link or a link access control protocol link for each mobile communication network call or each connection over the common traffic channel between the mobile station and an interworking function, and
• transmitting data packets of a packet-switched call either interleaved with the protocol frames of the radio link protocol link or the link access control protocol link or encapsulated in the protocol frames.

A mobile station which comprises:

• means for producing two or more simultaneous mobile communication network data calls for one mobile station in a mobile communication system, said means comprising:
• means for dynamically sharing a capacity of one common traffic channel exclusively between two or more simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with a network about a channel capacity needed for each mobile communication network call, and
• means for adjusting the capacity of said common traffic channel dynamically according to the instantaneous traffic of the mobile communication network calls.

A mobile station comprising:

• means for producing two or more simultaneous data calls for one mobile station in a mobile communication system, said means comprising:
• means for dynamically sharing a capacity of one common traffic channel exclusively between two or more simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with a network about a channel capacity needed for each mobile communication network call,
• means for establishing one radio link protocol link or link access control protocol link over the common traffic channel between the mobile station and an interworking function,
• means for establishing a logical link for each mobile communication network call or each connection of each mobile communication network call inside said one radio link protocol link or link access control protocol link,
• means for transmitting user data of each mobile communication network call or each connection of a mobile communication network call via the respective logical link, and
• means for adjusting the capacity of said common traffic channel dynamically according to the instantaneous traffic of the mobile communication network calls.

A mobile station comprising:

• means for dynamically sharing a capacity of one common traffic channel exclusively between two or more simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with a network about a channel capacity needed for each mobile communication network call,
• means for establishing a radio link protocol link or link access control protocol link for each mobile communication network call or each connection over the traffic channel between the mobile station and an interworking function, and
• means for transmitting user data of each mobile communication network call or each connection of each mobile communication network call via the respective logical link established by the radio link protocol link or link access control protocol link.

A mobile station, comprising:

• means for dynamically sharing a capacity of one common traffic channel exclusively between two or more simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with a network about a channel capacity needed for each mobile communication network call,
• means for establishing one radio link protocol link or link access control protocol link over the common traffic channel between the mobile station and an interworking function,
• means for establishing a logical link for each mobile communication network call or each connection of each mobile communication network call inside said one radio link protocol link or link access control protocol link,
• means for transmitting user data of each mobile communication network call or each connection of a mobile communication network call via the respective logical link, and
• means for transmitting data packets of a packet-switched call either interleaved with the protocol frames of the radio link protocol or link access control protocol or encapsulated in the protocol frames.

A mobile communication network which comprises means for producing two or more simultaneous calls for a mobile station, said means comprising:

• means for establishing one common traffic channel of the mobile communication network exclusively for two or more mobile communication network calls,
• means for dynamically sharing a capacity of said common traffic channel exclusively between said simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with the mobile station about a channel capacity needed for each call, and
• means adjusting dynamically the capacity of the common traffic channel according to the instantaneous traffic of the mobile communication network calls.

A mobile communication network comprising:

• means for establishing one traffic channel of the mobile communication network exclusively for two or more simultaneous mobile communication network calls of a mobile station,
• means for dynamically sharing a capacity of said common traffic channel exclusively between said simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with the mobile station about a channel capacity needed for each mobile communication network call, and
• means for adjusting the capacity of said common traffic channel dynamically according to the instantaneous traffic of the mobile communication network calls.

A mobile station comprising:

• means for producing two or more simultaneous mobile communication network data calls for the mobile station in a mobile communication system,
• means for dynamically sharing a capacity of one common traffic channel assigned exclusively to two or more simultaneous mobile communication network calls exclusively between said simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with network about a channel capacity needed for each mobile communication network call,
• means for negotiating with a network about the use or support of the common traffic channel, and
• means for adjusting the capacity of said common traffic channel dynamically according to the instantaneous traffic of the mobile communication network calls.

A method comprising:

• assigning only one common traffic channel exclusively to two or more simultaneous mobile communication network calls of one mobile station,
• dynamically sharing a capacity of the common traffic channel exclusively between the simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• negotiating with the mobile station about a channel capacity needed for each mobile communication network call,
• negotiating with the mobile station about the use or support of the common traffic channel, and
• adjusting dynamically the capacity of the common traffic channel according to the instantaneous traffic of the mobile communication network calls.

A network element comprising:

• means for establishing one traffic channel of a mobile communication network exclusively for two or more simultaneous mobile communication network calls of a mobile station,
• means for dynamically sharing a capacity of said common traffic channel exclusively between said simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with the mobile station about a channel capacity needed for each mobile communication network call, and
• means for adjusting dynamically the capacity of the common traffic channel according to the instantaneous traffic of the mobile communication network calls.

A network element comprising:

• means for establishing one traffic channel of a mobile communication network exclusively for two or more simultaneous mobile communication network calls of a mobile station,
• means for dynamically sharing a capacity of said common traffic channel exclusively between said simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• means for negotiating with the mobile station about a channel capacity needed for each mobile communication network call,
• means for negotiating with the mobile network about the use or support of the common traffic channel, and
• means for adjusting dynamically the capacity of the common traffic channel according to the instantaneous traffic of the mobile communication network calls.

A network element comprising:

• means for establishing one traffic channel of a mobile communication network exclusively for two or more simultaneous mobile communication network calls of a mobile station, said traffic channel being defined on a radio channel by one or more of a spreading code and a time slot,
• means for dynamically sharing a capacity of said common traffic channel exclusively between said simultaneous mobile communication network calls,
• means for adjusting dynamically the capacity of the common traffic channel according to a required channel capacity defined by means of negotiation between the mobile station and the network for each mobile communication network call or each connection of each mobile communication network call,
• means for establishing a separate subchannel for each mobile communication network call or each connection of each mobile communication network call in said traffic channel,
• means for establishing one radio link protocol link or link access control protocol link over the traffic channel between the mobile station and an interworking function,
• means for establishing a logical link for each mobile communication network call or each connection of each mobile communication network call inside said radio link protocol link or link access control protocol link, and
• means for transmitting user data of each mobile communication network call or each connection of each mobile communication network call via the respective logical link by transmitting the data packets of a packet-switched call interleaved with the protocol frames of the radio link protocol or link access control protocol or encapsulated in the protocol frames.

A mobile station which comprises:

• a set of applications configured to produce two or more simultaneous data calls for one mobile station in a mobile communication system,
• a control unit configured to dynamically share a capacity of one common TDMA or CDMA traffic channel exclusively between two or more simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• the control unit further configured to negotiate with a network about a channel capacity needed for each mobile communication network call, and
• the control unit still further configured to adjust the capacity of said common traffic channel dynamically according to the instantaneous traffic of the mobile communication network calls.

A network element comprising:

• an interworking unit configured to establish one TDMA or CDMA traffic channel of a mobile communication network exclusively for two or more simultaneous mobile communication network calls of a mobile station,
• the interworking unit being further configured to dynamically share a capacity of said common traffic channel exclusively between said simultaneous mobile communication network calls according to instantaneous traffic of the mobile communication network calls,
• the interworking unit being further configured to negotiate with the mobile station about a channel capacity needed for each mobile communication network call, and
• the interworking unit being further configured to dynamically adjust the capacity of the common traffic channel according to the instantaneous traffic of the mobile communication network calls.

A network element, comprising:

• said network element being configured to:
• establish one traffic channel of a mobile communication network for exclusive use of two or more simultaneous mobile communication network calls of a mobile station,
• share a capacity of said common traffic channel exclusively between said simultaneous calls,
• adjust dynamically the capacity of the common traffic channel according to a required channel capacity defined by means of negotiation between the mobile station and the network for each call or each connection of each call,
• establish a separate subchannel for each call or each connection of each call in said traffic channel,
• establish one radio link protocol link or link access control protocol link over the traffic channel between the mobile station and the network,
• establish a logical link for each call or each connection of each call inside said radio link protocol link or link access control protocol link, and
• transmit the user data of each call or each connection of each call via the respective logical link by transmitting the data packets of a packet-switched call interleaved with the protocol frames of the radio link protocol or link access control protocol or encapsulated in the protocol frames.