Method and system for distributing subscriber services using wireless bidirectional broadband loops

Claim 2

A communications system having a headend source of stored information signals operatively coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; each cell center coupled to a central office, and the central office including: a switch, responsive to an upstream signal request from a cell center, for coupling a subscriber services channel to the cell center; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes; and the plurality of subscriber units each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 3

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; each cell center including: a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to an antenna servicing a requesting subscriber unit, wherein the subscriber services channel broadcasts an information program; and a transmitter, coupled to the selection device, configured to transmit the information program to the requesting subscriber unit in a downstream information signal, the downstream information signal divided into a series of data packets, and at least one data packet identified by a header section; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes; and the plurality of subscriber units each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 4

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; each cell center including: a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to an antenna servicing a requesting subscriber unit, wherein the subscriber services channel broadcasts an information program; and a transmitter, coupled to the selection device, configured to transmit the information program to the requesting subscriber unit in a downstream information signal, the downstream information signal divided into a series of data packets, and at least one data packet identified by a header section; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes; and the plurality of subscriber units each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 5

The communications system of claim 2, wherein the header information section includes: an address for identifying the subscriber unit to receive the downstream information signal.

Claim 6

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; each cell center including; a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to an antenna servicing a requesting subscriber unit, wherein the subscriber services channel broadcasts an information program; and a transmitter, coupled to the selection device, configured to transmit the information program to the requesting subscriber unit in a downstream information signal; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes; and the plurality of subscriber units each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna, the upstream signal request divided into a series of data packets, and at least one data packet identified by a header section.

Claim 7

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; each cell center including; a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to an antenna servicing a requesting subscriber unit, wherein the subscriber services channel broadcasts an information program; and a transmitter, coupled to the selection device, configured to transmit the information program to the requesting subscriber unit in a downstream information signal; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes; and the plurality of subscriber units each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna, the upstream signal request divided into a series of data packets, and at least one data packet identified by a header section.

Claim 8

The communications system of claim 4, wherein the header section includes: an address for identifying the subscriber unit transmitting the upstream signal request.

Claim 9

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes, the plurality of antennas configured in a circular arrangement including: eight directional antennas each defining a 45 degree segment of the coverage area; the plurality of subscriber units, each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 10

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes, the plurality of antennas configured in a circular arrangement including: eight directional antennas each defining a 45 degree segment of the coverage area; the plurality of subscriber units, each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 11

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes, the plurality of antennas configured in a circular arrangement, the different transmission modes including: a first direction of polarization; and a second direction of polarization orthogonal to the first polarization direction; the plurality of subscriber units, each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 12

A communications system having a headend source of stored information signals coupled to a wideband wireless loop network, the network comprising: a plurality of cell centers each assigned to a subscriber service area including: a communication device configured to communicate with a plurality of subscriber units within a designated subscriber service area; a plurality of antennas each dedicated to a segment of the subscriber service area and operable to communicate over a common frequency channel, and wherein the antennas corresponding to adjacent segments of the subscriber service area operate in different transmission modes, the plurality of antennas configured in a circular arrangement, the different transmission modes including: a first direction of polarization; and a second direction of polarization orthogonal to the first polarization direction; the plurality of subscriber units, each including: a receiver configured to receive a downstream information signal from an antenna; and a transmitter configured to transmit the upstream signal request to the antenna.

Claim 13

The communications system of claim 7, wherein: the first direction of polarization corresponds to horizontal polarization; and the second direction of polarization corresponds to vertical polarization.

Claim 14

The communications system of claim 7, wherein: the first direction of polarization corresponds to right circular polarization; and the second direction of polarization corresponds to left circular polarization.

Claim 15

In a wide band cellular communication network including a headend device for storing and transmitting a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service areas, a cell center coupled to the central office comprising: a communication device configured to communicate with a plurality of subscriber units in at least one of the subscriber service areas; a plurality of antennas, each providing communication coverage to a segment of at least one of the subscriber service areas, the plurality of antennas configured in a circular arrangement of eight directional antennas each defining a 45 degree segment of the service area; wherein each antenna operating in a transmission format, the format being an orthogonal transmission mode, different than the format for antennas associated with adjacent segments of the at least one of the subscriber service areas; a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to the antenna servicing the subscriber unit, wherein the subscriber services channel broadcasts a data stream; and a transmitter configured to transmit the data stream to the subscriber unit in a downstream information signal.

Claim 16

In a wide band cellular communication network including a headend device for storing and transmitting a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service areas, a cell center coupled to the central office comprising: a communication device configured to communicate with a plurality of subscriber units in at least one of the subscriber service areas; a plurality of antennas, each providing communication coverage to a segment of at least one of the subscriber service areas, the plurality of antennas configured in a circular arrangement of eight directional antennas each defining a 45 degree segment of the service area; wherein each antenna operating in a transmission format, the format being an orthogonal transmission mode, different than the format for antennas associated with adjacent segments of the at least one of the subscriber service areas; a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to the antenna servicing the subscriber unit, wherein the subscriber services channel broadcasts a data stream; and a transmitter configured to transmit the data stream to the subscriber unit in a downstream information signal.

Claim 17

In a wide band cellular communication network including a headend device for storing and transmitting a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service areas, a cell center coupled to the central office comprising: a communication device configured to communicate with a plurality of subscriber units in at least one of the subscriber service areas; a plurality of antennas each providing communication coverage to a segment of at least one of the subscriber service areas; wherein each antenna operating in a transmission format different than formats for antennas associated with adjacent segments of the at least one of the subscriber service areas; a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to the antenna servicing the subscriber unit, the subscriber services channel being a wideband TDM channel that broadcasts a data stream; and a transmitter configured to transmit the data stream to the subscriber unit in a downstream information signal, the downstream information signal divided into a series of data packets and at least one data packet identified by a header section.

Claim 18

In a wide band cellular communication network including a headend device for storing and transmitting a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service areas, a cell center coupled to the central office comprising: a communication device configured to communicate with a plurality of subscriber units in at least one of the subscriber service areas; a plurality of antennas each providing communication coverage to a segment of at least one of the subscriber service areas; wherein each antenna operating in a transmission format different than formats for antennas associated with adjacent segments of the at least one of the subscriber service areas; a selection device, responsive to an upstream signal request, configured to couple a subscriber services channel to the antenna servicing the subscriber unit, the subscriber services channel being a wideband TDM channel that broadcasts a data stream; and a transmitter configured to transmit the data stream to the subscriber unit in a downstream information signal, the downstream information signal divided into a series of data packets and at least one data packet identified by a header section.

Claim 19

The cell center of claim 11, wherein the header information section includes: an address for identifying the subscriber unit to receive the downstream information signal.

Claim 20

In a wide band cellular communication network including a headend device for storing and transmitting a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service areas, a cell center coupled to the central office comprising: a communication device configured to communicate with a plurality of subscriber units in at least one of the subscriber service areas; a plurality of antennas each providing communication coverage to a segment of at least one of the subscriber service areas; wherein each antenna operating in a transmission format different than formats for antennas associated with adjacent segments of the at least one of the subscriber service areas; a selection device, responsive to an upstream signal request divided into a series of data packets and at least one data packet identified by a header section, configured to couple a subscriber services channel to the antenna servicing the subscriber unit, wherein the subscriber services channel broadcasts a data stream; and a transmitter configured to transmit the data stream to the subscriber unit in a downstream information signal.

Claim 21

In a wide band cellular communication network including a headend device for storing and transmitting a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service areas, a cell center coupled to the central office comprising: a communication device configured to communicate with a plurality of subscriber units in at least one of the subscriber service areas; a plurality of antennas each providing communication coverage to a segment of at least one of the subscriber service areas; wherein each antenna operating in a transmission format different than formats for antennas associated with adjacent segments of the at least one of the subscriber service areas; a selection device, responsive to an upstream signal request divided into a series of data packets and at least one data packet identified by a header section, configured to couple a subscriber services channel to the antenna servicing the subscriber unit, wherein the subscriber services channel broadcasts a data stream; and a transmitter configured to transmit the data stream to the subscriber unit in a downstream information signal.

Claim 22

The cell center of claim 13, wherein the header information section includes: an address for identifying the subscriber unit transmitting the upstream signal request.

Claim 23

A subscriber unit residing in a subscriber service area of a wide band cellular communication system including a plurality of cell centers for distributing a plurality of subscriber services, each subscriber service area serviced by a cell center, the subscriber unit comprising: a transmitter configured to transmit an upstream signaling request to the cell center serving the subscriber service area, wherein the upstream signaling request is a request for at least one subscriber service; a receiver configured to receive a downstream information signal from the cell center serving the subscriber service area, the downstream information signal divided into a series of data packets, and at least one of the data packets identified by a header section, the downstream information signal including the at least one subscriber service requested by the subscriber unit and the receiver including: means for receiving the series of data packets; and a signal extraction device, coupled to the receiver, configured to extract the at least one subscriber service from the downstream information signal.

Claim 24

A subscriber unit residing in a subscriber service area of a wide band cellular communication system including a plurality of cell centers for distributing a plurality of subscriber services, each subscriber service area serviced by a cell center, the subscriber unit comprising: a transmitter configured to transmit an upstream signaling request to the cell center serving the subscriber service area, wherein the upstream signaling request is a request for at least one subscriber service; a receiver configured to receive a downstream information signal from the cell center serving the subscriber service area, the downstream information signal divided into a series of data packets, and at least one of the data packets identified by a header section, the downstream information signal including the at least one subscriber service requested by the subscriber unit and the receiver including: means for receiving the series of data packets; and a signal extraction device, coupled to the receiver, configured to extract the at least one subscriber service from the downstream information signal.

Claim 25

The subscriber unit of claim 15, wherein the header information section includes: an address for identifying the subscriber unit to receive the downstream information signal.

Claim 26

The subscriber unit of claim 15, wherein the at least one subscriber service is broadcast on a wideband TDM channel, and wherein the receiver includes: means for receiving the series of data packets over the TDM channel.

Claim 27

The subscriber unit of claim 17, wherein the subscriber service requested is a media information program, and wherein the signal extraction device includes: means for extracting the series of data packets corresponding to the media information program from the downstream information signal; means for decoding the extracted series of data packets; means for assembling the decoded series of data packets to form an audio/visual program; and means for displaying the audio/visual program.

Claim 28

The subscriber unit of claim 15, wherein the upstream signal request is divided into a series of data packets and includes: an address for identifying the subscriber unit transmitting the upstream signal request.

Claim 29

The subscriber unit of claim 19, wherein the transmitter includes: a buffer, responsive to a polling signal, configured to hold the upstream signaling request until requested by the cell center.

Claim 30

The subscriber unit of claim 19, wherein the transmitter includes: means for holding the upstream signaling request until an assigned TDMA timeslot is reached.

Claim 31

In a wideband wireless loop network having a headend source for storing and transmitting information signals coupled to a wideband wireless loop network, the network including a plurality of cell centers each providing service to a number of service areas, a method for providing subscriber services to a number of subscriber units comprising the steps of: initiating an upstream signal request at a subscriber unit located within a service area segment, the upstream signal request includeing a series of data packets and an address for identifying the subscriber unit transmitting the upstream signal request, and the step of initiating includeing the substeps of: combining the address with a service request signal to form the upstream signal request; and storing the upstream signal request in a subscriber unit buffer until a polling message is received from the cell center or an assigned TDMA timeslot occurs; sending the polling message to subscriber units in the service area segment, from a cell center to determine the presence of the upstream signal request wherein the cell center services the service area segment containing the requesting subscriber unit; transmitting, to the cell center, the upstream signal request upon the receipt of the polling message; switching, upon receipt of the upstream signal request, a selection device to a subscriber service channel, wherein the subscriber service channel broadcasts a subscriber service; transmitting the subscriber service, via the selected subscriber service channel, to the requesting subscriber unit in a downstream information signal; and receiving the downstream information signal at the requesting subscriber unit.

Claim 32

In a wideband wireless loop network having a headend source for storing and transmitting information signals coupled to a wideband wireless loop network, the network including a plurality of cell centers each providing service to a number of service areas, a method for providing subscriber services to a number of subscriber units comprising the steps of: initiating an upstream signal request at a subscriber unit located within a service area segment, the upstream signal request includeing a series of data packets and an address for identifying the subscriber unit transmitting the upstream signal request, and the step of initiating includeing the substeps of: combining the address with a service request signal to form the upstream signal request; and storing the upstream signal request in a subscriber unit buffer until a polling message is received from the cell center or an assigned TDMA timeslot occurs; sending the polling message to subscriber units in the service area segment, from a cell center to determine the presence of the upstream signal request wherein the cell center services the service area segment containing the requesting subscriber unit; transmitting, to the cell center, the upstream signal request upon the receipt of the polling message; switching, upon receipt of the upstream signal request, a selection device to a subscriber service channel, wherein the subscriber service channel broadcasts a subscriber service; transmitting the subscriber service, via the selected subscriber service channel, to the requesting subscriber unit in a downstream information signal; and receiving the downstream information signal at the requesting subscriber unit.

Claim 33

The method of claim 22, wherein the subscriber service channel is a wideband TDM channel, wherein the downstream information signal is divided into a series of data packets and includes: an address for identifying the subscriber unit to receive the downstream information signal, and wherein the step of broadcasting includes the substeps of: identifying the requesting subscriber unit to receive the information program based on the address contained in the upstream signal request; and transmitting the downstream information signal to the requesting subscriber unit via the selected TDM channel, wherein the address of the requesting subscriber unit corresponds to the address in the downstream information signal.

Claim 34

The method of claim 23, wherein the subscriber service is a media program, and wherein the step of receiving includes the substeps of: receiving the series of data packets via the selected TDM channel; extracting a selection of data packets representing the media program from the downstream information signal; decoding the selected data packets; assembling the selection of data packets to form an audio/visual program; and displaying the audio/visual program.

Claim 35

The method of claim 24, wherein the subscriber service is located at the central office, and wherein the step of switching includes the substeps of: transmitting the upstream signal request from the cell center to the central office; receiving the upstream signal request at the central office; switching, upon receiving the upstream signal request, a selection device residing at the central office to a subscriber service channel broadcasting the requested subscriber service; and communicating the subscriber service to the cell center via a communication link.

Claim 36

In a wideband communication system, a method for obtaining subscriber services broadcast over a plurality of subscriber service channels comprising the steps of: initiating an upstream signal request at a subscriber unit, wherein the requesting subscriber unit is located within a service area segment; receiving a polling message from a cell center, the cell center servicing the particular service area segment containing the requesting subscriber unit; transmitting, to the cell center, the upstream signal request via an antenna residing at the requesting subscriber unit to the cell center upon the receipt of the polling message, wherein the upstream signal request includes a command for switching a selection device to a subscriber services channel broadcasting a requested subscriber service, the subscriber service being a media program broadcast on a wideband TDM channel; and receiving a downstream information signal from the cell center serving the subscriber service area, wherein the downstream information includes the subscriber service corresponding to the requested subscriber service and the downstream information signal being divided into a series of data packets; and the step of receiving including the substeps of: receiving the series of data packets via the TDM channel; extracting a selection of data packets representing the media program from the downstream information signal; decoding the selection of data packets assembling the decoded data packets to form an audio/visual program; and displaying the audio/visual program.

Claim 37

In a wideband communication system, a method for obtaining subscriber services broadcast over a plurality of subscriber service channels comprising the steps of: initiating an upstream signal request at a subscriber unit, wherein the requesting subscriber unit is located within a service area segment; receiving a polling message from a cell center, the cell center servicing the particular service area segment containing the requesting subscriber unit; transmitting, to the cell center, the upstream signal request via an antenna residing at the requesting subscriber unit to the cell center upon the receipt of the polling message, wherein the upstream signal request includes a command for switching a selection device to a subscriber services channel broadcasting a requested subscriber service, the subscriber service being a media program broadcast on a wideband TDM channel; and receiving a downstream information signal from the cell center serving the subscriber service area, wherein the downstream information includes the subscriber service corresponding to the requested subscriber service and the downstream information signal being divided into a series of data packets; and the step of receiving including the substeps of: receiving the series of data packets via the TDM channel; extracting a selection of data packets representing the media program from the downstream information signal; decoding the selection of data packets assembling the decoded data packets to form an audio/visual program; and displaying the audio/visual program.

Claim 38

The method of claim 26, wherein at least one of the data packets is identified by a header section, wherein the header section includes an address for identifying the subscriber unit transmitting the upstream signal request, and wherein the step of assembling includes the substep of: assembling the decoded data packets in accordance with information contained in the header section.

Claim 39

In a wideband communication system, a method for obtaining subscriber services broadcast over a plurality of subscriber service channels comprising the steps of: initiating an upstream signal request at a subscriber unit, the upstream signal request includeing a series of data packets, and an address for identifying the subscriber unit transmitting the upstream signal request, the requesting subscriber unit being located within a service area segment and the step of initiating includeing the substeps of: combining the address with a service request signal to form the upstream signal request; and storing the upstream signal request in a buffer until a polling message is received from the cell center; receiving the polling message from a cell center, wherein the cell center services the particular service area segment containing the requesting subscriber unit; transmitting, to the cell center, the upstream signal request via an antenna residing at the requesting subscriber unit upon the receipt of the polling message, wherein the upstream signal request includes a command for switching a selection device to a subscriber services channel broadcasting a requested subscriber service; and receiving a downstream information signal from the cell center serving the subscriber service area, wherein the downstream information signal includes the subscriber service corresponding to the requested subscriber service.

Claim 40

In a wideband communication system, a method for obtaining subscriber services broadcast over a plurality of subscriber service channels comprising the steps of: initiating an upstream signal request at a subscriber unit, the upstream signal request includeing a series of data packets, and an address for identifying the subscriber unit transmitting the upstream signal request, the requesting subscriber unit being located within a service area segment and the step of initiating includeing the substeps of: combining the address with a service request signal to form the upstream signal request; and storing the upstream signal request in a buffer until a polling message is received from the cell center; receiving the polling message from a cell center, wherein the cell center services the particular service area segment containing the requesting subscriber unit; transmitting, to the cell center, the upstream signal request via an antenna residing at the requesting subscriber unit upon the receipt of the polling message, wherein the upstream signal request includes a command for switching a selection device to a subscriber services channel broadcasting a requested subscriber service; and receiving a downstream information signal from the cell center serving the subscriber service area, wherein the downstream information signal includes the subscriber service corresponding to the requested subscriber service.

Claim 41

In a wideband cellular communication network including a headend device storing a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service units, a method comprising the steps of: periodically sending a polling message to a subscriber service unit from a cell center coupled to the central office, wherein the cell center services a service area segment containing the subscriber unit; receiving an upstream signal request, divided into a series of data packets and including an address for identifying the subscriber unit sending an upstream signal request, from a subscriber unit including the substep of: receiving the address of the subscriber unit at the cell center; switching, upon receipt of the upstream signal request, a selection device to a subscriber service channel broadcasting subscriber service; and transmitting the subscriber service to the requesting subscriber unit in a downstream information signal.

Claim 42

In a wideband cellular communication network including a headend device storing a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service units, a method comprising the steps of: periodically sending a polling message to a subscriber service unit from a cell center coupled to the central office, wherein the cell center services a service area segment containing the subscriber unit; receiving an upstream signal request, divided into a series of data packets and including an address for identifying the subscriber unit sending an upstream signal request, from a subscriber unit including the substep of: receiving the address of the subscriber unit at the cell center; switching, upon receipt of the upstream signal request, a selection device to a subscriber service channel broadcasting subscriber service; and transmitting the subscriber service to the requesting subscriber unit in a downstream information signal.

Claim 43

The method of claim 29, where in the subscriber service channel is a wideband TDM channel, wherein the downstream information signal is divided into a series of data packets, and wherein the step of broadcasting includes the substeps of: identifying the requesting subscriber unit to receive the information program based on a subscriber unit address contained in the upstream signal request; and transmitting the downstream information signal to the requesting subscriber unit via the selected TDM channel, wherein the subscriber unit corresponds to the address in the downstream information signal.

Claim 44

In a wideband cellular communication network including a headend device storing a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service units, a method comprising the steps of: periodically sending a polling message to a subscriber service unit from a cell center coupled to the central office, wherein the cell center services a service area segment containing the subscriber unit; receiving an upstream signal request from a subscriber unit: switching, upon receipt of the upstream signal request, a selection device to a subscriber service channel broadcasting subscriber service stored at the central office, and the step of switching includeing a the additional steps of: transmitting the upstream signal request from the cell center to the central office; receiving the upstream signal request at the central office; switching, upon receiving the upstream signal request, a selection device residing at the central office to a subscriber service channel broadcasting the requested subscriber services; and communicating the subscriber service to the cell center via a communication link; and transmitting the subscriber service to the requesting subscriber unit in a downstream information signal.

Claim 45

In a wideband cellular communication network including a headend device storing a plurality of information signals and a central office for distributing the plurality of information signals to a group of subscriber service units, a method comprising the steps of: periodically sending a polling message to a subscriber service unit from a cell center coupled to the central office, wherein the cell center services a service area segment containing the subscriber unit; receiving an upstream signal request from a subscriber unit: switching, upon receipt of the upstream signal request, a selection device to a subscriber service channel broadcasting subscriber service stored at the central office, and the step of switching includeing a the additional steps of: transmitting the upstream signal request from the cell center to the central office; receiving the upstream signal request at the central office; switching, upon receiving the upstream signal request, a selection device residing at the central office to a subscriber service channel broadcasting the requested subscriber services; and communicating the subscriber service to the cell center via a communication link; and transmitting the subscriber service to the requesting subscriber unit in a downstream information signal.