Data network interface
AssigneeMotorola, Inc.
InventorLars S. Sorensen
Life of this patent
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Abstract
This invention relates to an interface for interfacing between two different types of networks, such as a GSM cellular radio network and an integrated services digital network (ISDN). The interface communicates between channels of one such network with channels of the other such network by mapping control information between the first (D) and second (Dm) control channels. In a first state of operation, the interface maps data between the first (B1, B2) and the second (Bm) data channels under the control of control information on the control channels. In a second state of operation, the interface maps data between the first control channel (D) and the second data channel (Bm) under the control of control information on the control channel.
Claims18
An interface for communicating between a first system and a second system, the first system including a first traffic data channel and a first control channel, the second system including a second traffic data channel and a second control channel, said interface comprising:
- means for mapping control information between the first control channel and the second control channel;
- first means for mapping traffic data, in a first state of operation, between the first traffic data channel and the second traffic data channel under control of the control information on the first control channel and the second control channel;
- and
- second means for mapping traffic data, in a second state of operation, between the first control channel and the second traffic data channel under control of the control information on the first control channel.
An interface for communicating between a first system and a second system, the first system including a first traffic data channel and a first control channel, the second system including a second traffic data channel and a second control channel, said interface comprising:
- first means, operable in a first state of operation, for receiving first control information from the first control channel and outputting corresponding first control information on the second control channel and for receiving second control information from the second control channel and outputting corresponding second control information on the first control channel;
- second means, operable in said first state of operation, for receiving first data from the first traffic data channel and outputting corresponding first data on the second traffic data channel and for receiving second data from the second traffic data channel and outputting corresponding second data on the first traffic data channel;
- and
- said second means being operable in a second state of operation for receiving third data from the first control channel and outputting corresponding third data on the second traffic data channel under control of the control information on the first control channel.
An interface for communicating between a first system and a second system, the first system including a first traffic data channel and a first control channel, the second system including a second traffic data channel and a second control channel, said interface comprising:
- first means, operable in a first state of operation, for receiving first control information from the first control channel and outputting corresponding first control information on the second control channel and for receiving second control information from the second control channel and outputting corresponding second control information on the first control channel;
- second means, operable in said first state of operation, for receiving first data from the first traffic data channel and outputting corresponding first data on the second traffic data channel and for receiving second data from the second traffic data channel and outputting corresponding second data on the first traffic data channel;
- and
- means for receiving an instruction on the first control channel for switching to a second state of operation,
- said second means for receiving first data being operable in a second state of operation for receiving third data from the first control channel and outputting corresponding third data on the second traffic data channel.
An interface for communicating between a first system and a second system, the first system including a first traffic data channel and a first control channel, the second system including a second traffic data channel and a second control channel, said interface comprising:
- first means, operable in a first state of operation, for receiving first control information from the first control channel and outputting corresponding first control information on the second control channel and for receiving second control information from the second control channel and outputting corresponding second control information on the first control channel;
- second means, operable in said first state of operation, for receiving first data from the first traffic data channel and outputting corresponding first data on the second traffic data channel and for receiving second data from the second traffic data channel and outputting corresponding second data on the first traffic data channel;
- and
- means for receiving an instruction on the first control channel for switching to a second state of operation,
- said second means for receiving first data being operable in a second state of operation for receiving third data from the second traffic data channel and outputting corresponding third data on the first control channel.
Dependencies are inferred from the claim text.