Base station for wireless digital telephone system

A base station in a subscriber communication network for communicating signals between subscriber stations and an external communication network having a plurality of ports, comprising

• a communication circuit including
• a trunk for providing a communication channel and
• a multiplexer coupled to the trunk for providing multiple sequentially repetitive time slots in the communication channel for enabling simultaneous communications between a plurality of the ports and a plurality of the subscriber stations over the communication channel;
• an exchange for connecting the trunk to the external communication network ports;
• and
• a remote-connection processor coupled to the trunk in the communication circuit by a base-station control channel (BCC), which occupies one of the time slots, and to the exchange for monitoring the status of the time slots for causing the communication circuit and the exchange to complete a connection between a given external communication network port and a given subscriber station over a time slot assigned in response to said monitored status in accordance with a predetermined assignment routine;
• wherein the communication circuit further comprises
• a plurality of channel control units coupled to the multiplexer for coupling assigned time slots to given subscriber stations;
• and
• wherein one of the channel control units communicates control signals between the BCC and all of the subscriber stations over a radio control channel allocated to a given time slot of a given frequency channel by the remote-connection processor in response to said monitored status in accordance with a predetermined allocation routine in which the first priority is given to the time slot of the radio frequency channel that is coincident with the time slot occupied by the base-station control channel.

A base station in a subscriber communication network for communicating signals between subscriber stations and an external communication network having a plurality of ports, comprising

• a communication circuit including
• a plurality of trunks for providing a plurality of communication channels and
• a plurality of multiplexers coupled to the plurality of trunks for providing multiple sequentially repetitive time slots in each of the communication channels for enabling simultaneous communications between a plurality of the ports and a plurality of the subscriber stations over the communication channels;
• an exchange for connecting the trunks to the external communication network ports;
• and
• a remote-connection processor coupled to the trunks in the communication circuit by a base-station control channel (BCC), which occupies one of the time slots, and to the exchange for monitoring the status of the time slots and for causing the communication circuit and the exchange to complete a connection between a given external communication network port and a given subscriber station over a time slot assigned in response to said monitored status in accordance with a predetermined assignment routine;
• wherein the communication circuit further comprises
• a plurality of channel control units coupled to the multiplexers for coupling assigned time slots to given subscriber stations;
• a plurality of controllers respectively coupled to the multiplexers and
• a local bus between the controllers and the channel control units;
• and
• wherein, in accordance with said monitored status, the remote-connection processor selects one of the time slots to carry the base-station control channel and causes the controller that is coupled to the multiplexer that is coupled to the trunk that carries the time slot selected to carry the base-station control channel to function as a primary controller for coupling the base-station control channel over the local bus to the other controllers and to the channel control units for enabling the remote-connection processor to monitor the status of the other time slots and to assign the other time slots.

A base station in a subscriber communication network for communicating signals between subscriber stations and an external communication network having a plurality of ports, comprising

• a communication circuit including
• a plurality of trunks for providing a plurality of communication channels and
• a plurality of multiplexers coupled to the plurality of trunks for providing multiple sequentially repetitive time slots in each of the communication channels for enabling simultaneous communications between a plurality of the ports and a plurality of the subscriber stations over the communication channels;
• an exchange for connecting the trunks to the external communication network ports;
• and
• a remote-connection processor coupled to the trunks in the communication circuit by a base-station control channel and to the exchange for monitoring the status of the time slots and for causing the communication circuit and the exchange to complete a connection between a given external communication network port and a given subscriber station over a time slot assigned in response to said monitored status in accordance with a predetermined assignment routine;
• wherein the communication circuit further comprises
• a plurality of channel control units coupled to the multiplexers for coupling assigned time slots to given subscriber stations, with each channel control unit coupling a plurality of assigned time slots to a corresponding plurality of subscriber stations;
• wherein said assignment routine includes assigning all of the time slots associated with a given channel control unit before assigning time slots associated with another channel control unit, and then assigning time slots associated with a channel control unit coupled to a different multiplexer than the multiplexer coupled to the channel control unit associated with the immediately previously assigned time slots.

A base station in a subscriber communication network for communicating signals between subscriber stations and an external communication network having a plurality of ports, comprising

• a communication circuit including
• a trunk for providing a communication channel and
• a multiplexer coupled to the trunk for providing multiple sequentially repetitive time slots in the communication channel for enabling simultaneous communications of digital information signals between a plurality of the ports and a plurality of the subscriber stations over the communication channel;
• an exchange for connecting the trunk to the external communication network ports;
• and
• a remote-connection processor coupled to the trunk in the communication circuit by a base-station control channel and to the exchange for monitoring the status of the time slots and for causing the communication circuit and the exchange to complete a connection between a given external communication network port and a given subscriber station over a time slot assigned in response to said monitored status in accordance with a predetermined assignment routine;
• wherein the communication circuit further comprises
• a plurality of channel control units coupled to the multiplexer for coupling assigned time slots to given subscriber stations via radio frequency channels and
• a plurality of channel control units coupled to given subscriber stations by the channel control units in response to command signals from the remote-connection processor, wherein the communication signal processor are respectively coupled by the multiplexer to predetermined time slots of the communication channel carried over the trunk and by the channel control units to given time slots of the radio frequency channels.