Method of determining transmission rate of control response frame for acknowledging data receipt in wireless LAN
First Claim
1. A method of determining a transmission rate of a control response frame for acknowledging data receipt in a wireless network where high throughput stations and legacy stations with different data transmission capabilities coexist, the method comprising:
- obtaining, at a receiving high throughput station, transmission parameters of a transmitting high throughput station from a data transmission frame of a high throughput format received from the transmitting high throughput station;
searching, at the receiving high throughput station, for transmission parameters corresponding to a legacy format among transmission parameters of the receiving high throughput station, which correspond to the transmission parameters of the transmitting high throughput station; and
determining, at the receiving high throughput station, the transmission rate of the control response frame based on a result of the searching.
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Abstract
A method is provided for determining a transmission rate of a control response frame for acknowledging data receipt in a wireless local area network. The method includes obtaining transmission parameters of a transmitting station from a data transmission frame received from the transmitting station, searching a receiving station for transmission parameters which correspond to the transmission parameters of the transmitting station, determining the transmission rate of the control response frame according to transmission parameters of the receiving station if the transmission parameters corresponding to the transmission parameters of the transmitting station are found in the receiving station, and determining a maximum rate among a set of basic transmission rates to be the transmission rate of the control response frame if the transmission parameters corresponding to the transmission parameters of the transmitting station are not found in the receiving station.
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Citations
14 Claims
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1. A method of determining a transmission rate of a control response frame for acknowledging data receipt in a wireless network where high throughput stations and legacy stations with different data transmission capabilities coexist, the method comprising:
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obtaining, at a receiving high throughput station, transmission parameters of a transmitting high throughput station from a data transmission frame of a high throughput format received from the transmitting high throughput station; searching, at the receiving high throughput station, for transmission parameters corresponding to a legacy format among transmission parameters of the receiving high throughput station, which correspond to the transmission parameters of the transmitting high throughput station; and determining, at the receiving high throughput station, the transmission rate of the control response frame based on a result of the searching. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
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12. A computer-readable recording medium on which a computer program is recorded for executing a method of determining a transmission rate of a control response frame for acknowledging data receipt in a wireless network where high throughput stations and legacy stations with different data transmission capabilities coexist, the method comprising:
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obtaining, at a high throughput receiving station, transmission parameters of a transmitting high throughput station from a data transmission frame of a high throughput format received from the transmitting high throughput station; searching, at a receiving high throughput station, for transmission parameters corresponding to a legacy format among transmission parameters of the receiving high throughput station which correspond to the transmission parameters of the transmitting high throughput station; and determining, at the receiving high throughput station, the transmission rate of the control response frame based on a result of the searching. - View Dependent Claims (14)
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13. A method of determining a transmission rate of a control response frame for acknowledging data receipt in a wireless network where high throughput stations and legacy stations with different data transmission capabilities coexist, the method comprising:
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obtaining a modulation scheme and a coding rate of a data transmission frame of a high throughput format received from a transmitting high throughput station; and determining the transmission rate of the control response frame based on the modulation scheme and the coding rate of the data transmission frame received from the transmitting high throughput station, wherein the transmission rate of the control response frame corresponds to a legacy format among the transmission parameters of a receiving station.
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Specification