High speed media access control with legacy system interoperability
First Claim
1. An apparatus comprising:
- a transmitter for transmitting a signal, according to a first transmission format, for reserving a shared medium for a duration and for transmitting according to a second transmission format during the reserved duration; and
a receiver for receiving according to the second transmission format during the reserved duration.
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Abstract
Techniques for MAC processing for efficient use of high throughput systems that is backward compatible with various types of legacy systems are disclosed. In one aspect a first signal is transmitted according to a legacy transmission format to reserve a portion of a shared medium, and communication according to a second transmission format transpires during the reserved portion. In another aspect, a communication device may contend for access on a legacy system, and then communicate according to a new class communication protocol with one or more remote communication devices during the access period. In another aspect, a device may request access to a shared medium according to a legacy protocol, and, upon grant of access, the device may communicate with or facilitate communication between one or more remote stations according to a new protocol.
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Citations
45 Claims
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1. An apparatus comprising:
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a transmitter for transmitting a signal, according to a first transmission format, for reserving a shared medium for a duration and for transmitting according to a second transmission format during the reserved duration; and
a receiver for receiving according to the second transmission format during the reserved duration.
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2. An apparatus comprising:
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a transmitter for transmitting according to at least a portion of a first communication format and for transmitting according to a second communication format;
a receiver for receiving according to the second communication format; and
means for reserving a shared medium for a duration for communication according to the second transmission format during the reserved duration.
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3. A wireless communication system comprising:
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means for transmitting a signal, according to a first transmission format, for reserving a shared medium for a duration; and
means for communicating according to the second transmission format during the reserved duration.
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4. A method for interoperation on a shared medium between one or more devices communicating according to a first transmission format and one or more devices communicating according to a second transmission format, the method comprising:
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transmitting a signal, according to a first transmission format, for reserving the shared medium for a duration; and
communicating according to the second transmission format during the reserved duration. - View Dependent Claims (5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus, comprising:
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means for allocating a first duration for communication on a shared medium according to a first one of a plurality of communication formats; and
means for allocating a second duration for communication on the shared medium according to a second one of a plurality of communication formats. - View Dependent Claims (14)
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15. Computer readable media operable to perform the following steps:
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allocating a first duration for communication on a shared medium according to a first one of a plurality of communication formats; and
allocating a second duration for communication on the shared medium according to a second one of a plurality of communication formats. - View Dependent Claims (16)
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17. A method for communication on a shared medium, comprising:
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allocating a first duration for communication on the shared medium according to a first one of a plurality of communication formats; and
allocating a second duration for communication on the shared medium according to a second one of a plurality of communication formats. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. An apparatus, comprising:
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means for contending for access to a shared medium according to a first communication protocol; and
means for communicating on the shared medium according to a second communication protocol during the contended access.
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36. A method for communication on a shared medium, comprising:
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transmitting a beacon;
contending for access to the shared medium according to a first communication protocol; and
communicating on the shared medium according to a second communication protocol during the contended access. - View Dependent Claims (37, 38, 39)
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40. A device, operable with an access point, the access point establishing a contention free period and a contention period in accordance with a first communication protocol, the device comprising:
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means for contending for access according to the first communication protocol during the contention period;
a transmitter for transmitting in accordance with a second communication protocol during the contended access; and
a receiver for transmitting in accordance with the second communication protocol during the contended access.
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41. Computer readable media operable to perform the following steps:
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contending for access to the shared medium according to a first communication protocol; and
communicating on the shared medium according to a second communication protocol during the contended access.
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42. A wireless communication system comprising:
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a device for;
contending for access to the shared medium according to a first communication protocol; and
transmitting a signal according to the first communication protocol to reserve the shared medium for a duration;
a first remote station for transmitting a pilot in accordance with a second communication protocol; and
a second remote station for;
measuring the pilot and determining feedback therefrom; and
transmitting the feedback to the first remote station. - View Dependent Claims (43)
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44. A method for communication on a shared medium, comprising:
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contending for access to the shared medium according to a first communication protocol;
transmitting a signal according to the first communication protocol to reserve the shared medium for a duration;
transmitting a pilot from a first remote station to a second remote station in accordance with a second communication protocol;
measuring the pilot at the second remote station and determining feedback therefrom;
transmitting the feedback from the second remote station to the first remote station; and
transmitting data according to the second communication protocol from the first remote station to the second remote station in accordance with the feedback.
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45. A wireless communication system, operable with a shared medium for receiving and transmitting, comprising:
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a first access point for communication according to a first communication format; and
a second access point for communication according to a second communication format, the second access point operable to transmit a signal in accordance with the first communication format to reserve a duration on the shared medium for communication according to the second communication format.
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Specification