US Patent No. 10,117,234

FRAMING FOR AN ADAPTIVE MODULATION COMMUNICATION SYSTEM


Patent No. 10,117,234
Issue Date October 30, 2018
Title Framing For An Adaptive Modulation Communication System
Inventorship Kenneth L. Stanwood, Cardiff by the Sea, CA (US)
Israel Jay Klein, San Diego, CA (US)
George Lin, Del Mar, CA (US)
An Chen, San Diego, CA (US)
Assignee Wi-LAN, Inc., Ottawa (CA)

Claim of US Patent No. 10,117,234

1. A method of enabling communication between a base station and a plurality of cellular telephones, comprising:enabling the base station to,
encode control information for the cellular telephones scheduled to receive downlink (DL) data in a DL frame and cellular telephones scheduled to transmit data in an uplink (UL) frame, the control information including,
a preamble for synchronization of the cellular telephones to the base station;
information about DL transmission resources allocated to cellular telephones scheduled to receive DL data in the DL frame, a DL transmission resource being associated with a DL physical (PHY) mode,
information about UL transmission resources allocated to cellular telephones scheduled to transmit data in the UL frame, an UL transmission resource being associated with an UL PHY mode,
encode the DL data using the associated DL PHY mode, in the DL frame, and
transmit the DL frame and the control information to the plurality of cellular telephones;
enabling at a first cellular telephone to,
achieve downlink synchronization with the base station and establish a downlink from the base station over one or more DL orthogonal frequency division multiplexing (OFDM) subchannels,
receive from the base station the DL data and decode the DL data using the information about the DL transmission resource and the associated DL physical (PHY) mode; and
enabling a second cellular telephone to,
achieve uplink synchronization with the base station and establish an uplink to the base station over one or more UL OFDM subchannels,
encode the UL data using the information about the UL transmission resource and the associated UL PHY mode, and
transmit the UL data to the base station in the UL frame.