Digital broadcast signaling metadata

Details Digital broadcast signaling metadata Digital broadcast signaling metadata

2011-07-05

2011-07-05

Ngo, Ricky (Department: 2464)

Multiplex communications

Communication over free space

Combining or distributing information via code word channels...

C370S252000, C370S389000, C370S208000, C375S295000, C375S133000

Reexamination Certificate

active

07974254

ABSTRACT:
Embodiments are directed to transmitting L1 pre-signaling information with predetermined modulation and code rate such that L1 pre-signaling information can be received without preliminary knowledge on the network. L1 pre-signaling information makes it possible to receive the L1 signaling information, data link layer information, and notification data that may have configurable code rates and modulation. Therefore, L1 pre-signaling information can be thought of as signaling metadata (i.e., information about other signaling information). L1 signaling is divided into pre-signaling and signaling parts. The pre-signaling part includes parameters used for receiving the L1 signaling information. L1 pre-signaling signaling enables the receiver to receive the signaling itself (L1 signaling and data link layer information) by informing the receiver about the type of modulation, coding, and the like, used to transmit the L1 signaling, data link layer, and notification information.

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