Layered channel element in a base station modem for a CDMA cellular communication system

A telecommunications interface system, to connect:

• a telecommunication network;
• with
• a telecommunication system for distributing forward message and signaling data from the telecommunication network to telecommunication system users and for directing reverse message and signaling data from telecommunication system users to the telecommunication network;
• the telecommunications interface system comprising:
• a control means connected to the telecommunication network and to the telecommunication system for switching message and signaling data therebetween;
• and
• a plurality of telecommunication facilities connected to the control means, each telecommunication facility including:
• one or more independent but not necessarily uniform general processors to run respective modem programs for receiving forward message and signaling data and for receiving reverse message and signaling data;
• one or more modem apparatuses for modulating forward message and signaling data for distribution to the telecommunication system users and for demodulating reverse message and signaling data for provision to the telecommunication network;
• one or more interfaces, each interface connecting a respective general processor of the one or more general processors with a respective modem apparatus of the one or more modem apparatuses and including signal connections and control functions that are specific to the respective general processor;
• and
• each modem program executing in a general processor of the one or more general processors to receive forward message and signaling data and to receive reverse message and signaling data by:
• issuing messages to the control means that include reverse message and signaling data;
• receiving messages from the control means that include forward message and signaling data;
• executing in its own process space the control functions of an interface to provide forward message and signaling data to the signal connections of the interface and to receive the demodulated reverse message and signaling data from the signal connections of the interface.

A telecommunications interface system, to connect:

• a telecommunication network;
• with
• a telecommunication system for distributing forward message and signalling data from the telecommunication network in forward channels to telecommunication users and for directing reverse message and signalling data in reverse channels from telecommunication system users to the telecommunication network;
• the telecommunications interface system comprising:
• a control means connected to the telecommunication network and to the telecommunication system for switching message and signalling data therebetween, and for providing channel commands representing forward and reverse channels;
• a plurality of telecommunication facilities connected to the control means, each telecommunication facility including:
• one or more independent but not necessarily uniform general processors to run respective modem programs;
• one or more modem apparatuses for modulating forward message and signalling data for distribution to the telecommunication system users in forward channels and for demodulating reverse message and signalling data in reverse channels for provision to the telecommunication network;
• one or more interfaces, each interface connecting a respective general processor of the one or more general processors with the respective modem apparatus of the one or more modem apparatuses and including signal connections and control functions that are specific to the respective general processors;
• and
• each modem program for executing in a general processor of the one or more general processors to receive channel commands from the control means to establish forward channels and reverse channels in response to the channel commands by:
• providing the channel configuration information to a respective modem apparatus coupled by a respective interface to the general processor of the one or more general processors in which the modem program executes.

A method of connecting a telecommunication network to a telecommunication system, the telecommunication system including:

• a plurality of telecommunication facilities for distributing forward message and signalling data from the telecommunication network in forward channels to telecommunication user and for directing reverse message and signalling data in reverse channels from telecommunication system users to the telecommunication network;
• control means for switching message and signalling data between the telecommunication network and the plurality of telecommunication facilities and for providing channel commands representing forward and reverse channels;
• a plurality of independent, not necessarily uniformed, general processors to run respective modem programs;
• and
• a plurality of modem apparatuses responsive to channel configuration information for modulating forward message and signalling data for distribution to the telecommunication system users in forward channels and for demodulating reverse message and signalling data in reverse channels for provision to the telecommunication network;
• wherein, each telecommunication facility includes:
• one or more general processors, each general processor of the one or more general processors coupled to the control means;
• one or more modem apparatuses;
• and
• one or more interfaces, each interface connecting a respective general processor of the one or more general processors with a respective modem apparatus of the one or more modem apparatuses and including signal connections and control functions that are specific to the respective general processor of the one or more general processors;
• the method including the steps of:
• running a modem program in a general processor to receive channel commands representing forward and reverse channels;
• providing the channel configuration information to a respective modem apparatus coupled by a respective interface to the general processor of the one or more general processors in which the modem program executes.