PREAMBLE DESIGN AND PROCESSING METHOD FOR ON-THE-FLY, FRAME-BY-FRAME AIR DATA RATE DETECTION IN WIRELESS RECEIVERS
First Claim
1. A system for wireless communication comprising a transmitter and a receiver, wherein the transmitter is operable to wirelessly transmit digital information to the receiver with a plurality of data transmission rates using a modulation format, wherein the digital information is transmitted using a transmission frame including a header part and a payload part, wherein the header part comprises a preamble, wherein the modulation format is the same for all data transmission rates and wherein the data transmission rate is at least encoded into the preamble of the frame, and wherein the receiver is configured to determine the data transmission rate when receiving the preamble.
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Accused Products
Abstract
In a system and method for wireless communication with a transmitter and a receiver, the transmitter is operable to wirelessly transmit digital information to the receiver with a plurality of data transmission rates using a modulation format, wherein the digital information is transmitted using a transmission frame including a header part and a payload part, and the header part comprises a preamble, wherein the modulation format is the same for all data transmission rates and wherein the data transmission rate is at least encoded into the preamble of the frame, and wherein the receiver is configured to determine the data transmission rate when receiving the preamble.
48 Citations
35 Claims
- 1. A system for wireless communication comprising a transmitter and a receiver, wherein the transmitter is operable to wirelessly transmit digital information to the receiver with a plurality of data transmission rates using a modulation format, wherein the digital information is transmitted using a transmission frame including a header part and a payload part, wherein the header part comprises a preamble, wherein the modulation format is the same for all data transmission rates and wherein the data transmission rate is at least encoded into the preamble of the frame, and wherein the receiver is configured to determine the data transmission rate when receiving the preamble.
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17. A method for wireless communication, comprising:
wirelessly transmitting digital information with a plurality of selectable data transmission rates using a modulation format, wherein the digital information is transmitted using a transmission frame including a header part and a payload part, wherein the header part comprises a preamble, and wherein the modulation format is the same for all data transmission rates and the data transmission rate is at least encoded into the preamble of the frame. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A receiver for wireless communication, wherein the receiver is operable to wirelessly receive digital information with a plurality of data transmission rates using a modulation format, wherein the received digital information comprises a transmission frame including a header part comprising a preamble and a payload part, wherein the receiver is configured to determine a data transmission rate when receiving the preamble, wherein the modulation format is the same for all data transmission rates and the data transmission rate is at least encoded into the preamble of the frame.
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33. A transmitter for wireless communication, wherein the transmitter is operable to wirelessly transmit digital information with a plurality of data transmission rates using a common modulation format, wherein the digital information is transmitted using a transmission frame including a header part and a payload part, wherein the header part comprises a preamble, wherein the data transmission rate is encoded at least into the preamble of the frame.
- 34. A preamble for use in a wireless communication system in which a transmitter wirelessly transmits digital information with a plurality of data transmission rates using a common modulation format, wherein the preamble is part of a transmission frame comprising a header part and a payload part, wherein the header part comprises the preamble, wherein the preamble is designed to encode the data transmission rate for each data transmission rate of the plurality of data transmission rates.
Specification