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 a modulation scheme and a coding rate of a data transmission frame having a high throughput format received from a transmitting high throughput station;
looking up the modulation scheme and the coding rate of the data transmission frame received from the transmitting high throughput station in a predetermined table, wherein the predetermined table includes transmission rates corresponding to modulation schemes and coding rates in legacy format; and
determining the transmission rate of the control response frame based on a result of the looking up.
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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
12 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 a modulation scheme and a coding rate of a data transmission frame having a high throughput format received from a transmitting high throughput station; looking up the modulation scheme and the coding rate of the data transmission frame received from the transmitting high throughput station in a predetermined table, wherein the predetermined table includes transmission rates corresponding to modulation schemes and coding rates in legacy format; and determining the transmission rate of the control response frame based on a result of the looking up. - 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 a modulation scheme and a coding rate of a data transmission frame of having a high throughput format received from a transmitting high throughput station; looking up the modulation scheme and the coding rate of the data transmission frame received from the transmitting high throughput station in a predetermined table, wherein the predetermined table includes transmission rates corresponding to modulation schemes and coding rates in legacy format; and determining the transmission rate of the control response frame based on a result of the looking up.
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Specification