Generating Control Information for use in Transmission with a Multimedia Stream to an Audiovisual Device

An apparatus configured to decode a wirelessly received data stream, comprising:

• one or more processors configured to:
• receive one or more first frames of wireless data that include:
• first data, first control information, and a first plurality of packets, wherein said first data includes one or more first physical layer parameters;
• determine a physical layer structure of the first control information based on the first data;
• decode the first control information based on the determined structure of the first control information;
• decode the first plurality of packets based on the first control information;
• receive one or more second frames of wireless data that include:
• second data, second control information, and a second plurality of packets, wherein said second data includes one or more second physical layer parameters having one or more different values than said one or more first physical layer parameters;
• determine a physical layer structure of the second control information based on the second data, wherein a portion of the structure of the second control information is different than the structure of the first control information and a portion of the structure of the second control information is the same as the structure of the first control information;
• decode the second control information based on the determined structure of the first control information;
• and
• decode the second plurality of packets based on the second control information.

A non-transitory computer-readable medium having instructions stored thereon that are executable by a computing device to perform operations comprising:

• generating first control information, wherein the first control information is for configuring the computing device to decode a wirelessly received data stream, wherein the first control information is generated according to a first protocol version parameter and a first physical layer parameter;
• generating first data, wherein the first data includes said first protocol version parameter and said first physical layer parameter indicating a physical layer structure of the first control information;
• transmitting the first control information, the first data, and a first plurality of packets that include information specifying at least one data stream;
• generating second control information, wherein the second control information is for configuring the computing device to decode a data stream, wherein the second control information is generated according to a second protocol version parameter and a second physical layer parameter indicating a physical layer structure of the second control information;
• generating second data, wherein the second data includes said second protocol version parameter and said second physical layer parameter indicating the structure of the second control information, wherein a value of said second physical layer parameter is different than a value of said first physical layer parameter, and wherein a portion of the structure of the second control information is different than the structure of the first control information and a portion of the structure of the second control information is the same as the structure of the first control information;
• and
• transmitting the second control information, the second data, and a second plurality of packets that include information specifying at least one data stream.

A method for generating control information for use in transmission of a data stream to a wireless receiver device, the method comprising:

• generating first control information, wherein the first control information is for configuring the receiver device to decode a wirelessly received data stream, wherein the first control information is generated according to a first protocol version parameter and a first physical layer parameter, wherein the first control information indicates a code rate for the data stream, wherein the first control information indicates a forward error correction type for the data stream, and wherein the first control information includes a parameter for low density parity check (LDPC) encoding;
• generating first data, wherein the first data includes said first protocol version parameter and said first physical layer parameter indicating a physical layer structure of the first control information, wherein the first data indicates a location of the first control information and;
• transmitting the first control information, the first data, and a first plurality of packets that include information specifying at least one data stream;
• generating second control information, wherein the second control information is for configuring the receiver device to decode a data stream, wherein the second control information is generated according to a second protocol version parameter and a second physical layer parameter, wherein said second physical layer parameter modifies an modulation scheme relative to a modulation scheme indicated by the first physical layer parameter;
• generating second data, wherein the second data includes said second protocol version parameter and said second physical layer parameter indicating a physical layer structure of the second control information, wherein a value of said second physical layer parameter is different than a value of said first physical layer parameter, and wherein a portion of the structure of the second control information is different than the structure of the first control information and a portion of the structure of the second control information is the same as the structure of the first control information;
• and
• transmitting the second control information, the second data, and a second plurality of packets that include information specifying at least one data stream.