Scalable communication system using overlaid signals and multi-carrier frequency communication

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that signal's node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• and
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• wherein sub-channels corresponding to a particular node are not adjacent and are spread out in frequency to avoid effects of narrow band interference and fading.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that signal's node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• and
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• wherein at least one of the nodes is for transmitting its signal using multiple sub-channels simultaneously, and
• the base station is for changing at least one sub-channel corresponding to a particular node over time.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that signal's node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• and
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• wherein the base station is for optimizing mapping between nodes and sub-channels for at least one of each node's required range and data bandwidth needs.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• and
• frequency controlling means for controlling the frequencies of signals transmitted by at least one node.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• and
• timing control means for controlling timing of signals sent by the at least one node;
• wherein at least one of the nodes is for transmitting its signal using multiple sub-channels simultaneously.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• and
• power control means for controlling power of signals sent by the at least one node;
• wherein at least one of the nodes is for transmitting its signal using multiple sub-channels simultaneously.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby;
• and
• sub-channels corresponding to a particular node are not adjacent and are spread out in frequency to avoid effects of narrow band interference and fading.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information derived from data streams, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby,
• the base station is for using multiple sub-channels simultaneously to transmit to at least one of the nodes, and
• in the base station, data streams corresponding to sub-channels not used in any node are set to zero magnitude.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby,
• the base station is for using multiple sub-channels simultaneously to transmit to at least one of the nodes, and
• the base station is for changing at least one sub-channel corresponding to a particular node over time.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby;
• and
• the base station is for optimizing mapping between nodes and sub-channels for at least one of each node's required range and data bandwidth needs.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• and
• frequency controlling means for controlling the frequencies of signals transmitted by the at least one node;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• and
• timing control means for controlling timing of signals sent by at least one of the nodes;
• the base station is for using multiple sub-channels simultaneously to transmit to at least one of the nodes, and
• the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• and
• power control means for controlling power of signals sent by each node;
• wherein the base station is for using multiple sub-channels simultaneously to transmit to at least one of the nodes, and
• the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that signal's node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• and
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• wherein the base station is for intelligently changing an assignment of nodes to sub-channels used by those nodes for optimal reception by the base station of the signals transmitted from each node.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby,
• the base station is for using multiple sub-channels simultaneously to transmit to at least one of the nodes, and
• the base station is for intelligently changing an assignment of nodes to sub-channels used by those nodes for optimal reception of transmitted signals.

A communication system comprising:

• a plurality of nodes, each for transmitting simultaneously with other nodes a signal unique to that signal's node and representative of at least one non-overlapping sub-channel conveying information, at least a pair of the nodes having different communication data rate parameters corresponding thereto, each at least one information-conveying non-overlapping sub-channel for each node being different from each information-conveying non-overlapping sub-channel for all other nodes;
• and
• a base station for simultaneously receiving the signals transmitted from each node and processing them to generate, for each information-conveying sub-channel, a signal representative of the information conveyed thereby;
• wherein the base station is for intelligently changing an assignment of nodes to sub-channels used by those nodes for optimal reception by the base station of the signals transmitted from each node.

A communication system comprising:

• a base station for transmitting a signal representative of a plurality of non-overlapping sub-channels conveying information, a plurality of groups of sub-channels each corresponding to one of a plurality of nodes, at least a pair of the nodes having different communication data rate parameters corresponding thereto;
• wherein the nodes are for simultaneously receiving the signal transmitted by the base station and processing it to generate, for each information-conveying sub-channel corresponding to the node, a data stream representative of the information conveyed thereby,
• the base station is for using multiple sub-channels simultaneously to transmit to at least one of the nodes, and
• the base station is for intelligently changing an assignment of nodes to sub-channels used by those nodes for optimal reception of transmitted signals.