METHOD AND APPARATUS FOR A 1 MHZ LONG TRAINING FIELD DESIGN
First Claim
1. A method comprising:
- determining a preamble sequence of a packet, the preamble sequence having a determinable length;
causing, at least in part, the preamble sequence to be divided into a predetermined number of blocks;
causing, at least in part, a mathematical operation and a summation over the predetermined number of blocks and a corresponding number of received blocks; and
causing, at least in part, the summation to be maximized to determine the preamble sequence corresponds to one of a first bandwidth or a second bandwidth, the second bandwidth being greater than the first bandwidth, to determine a type of the packet.
1 Assignment
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Accused Products
Abstract
An approach is provided for defining a 1 MHz preamble of a packet. The approach involves determining a preamble sequence of a packet, the preamble sequence having a determinable length. The approach also involves causing, at least in part, the preamble sequence to be divided into a predetermined number of blocks. The approach further involves causing, at least in part, a mathematical operation and a summation over the predetermined number of blocks and a corresponding number of received blocks. The approach also involves causing, at least in part, the summation to be maximized to determine the preamble sequence corresponds to one of a first bandwidth or a second bandwidth, the second bandwidth being greater than the first bandwidth, to determine a type of the packet.
15 Citations
29 Claims
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1. A method comprising:
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determining a preamble sequence of a packet, the preamble sequence having a determinable length; causing, at least in part, the preamble sequence to be divided into a predetermined number of blocks; causing, at least in part, a mathematical operation and a summation over the predetermined number of blocks and a corresponding number of received blocks; and causing, at least in part, the summation to be maximized to determine the preamble sequence corresponds to one of a first bandwidth or a second bandwidth, the second bandwidth being greater than the first bandwidth, to determine a type of the packet. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. An apparatus comprising:
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at least one processor; and at least one memory including computer program code for one or more programs, the at least one memory and the computer program code configured to, with the at least one processor, cause the apparatus to perform at least the following; determine a preamble sequence of a packet, the preamble sequence having a determinable length; cause, at least in part, the preamble sequence to be divided into a predetermined number of blocks; cause, at least in part, a mathematical operation and a summation over the predetermined number of blocks and a corresponding number of received blocks; and cause, at least in part, the summation to be maximized to determine the preamble sequence corresponds to one of a first bandwidth or a second bandwidth, the second bandwidth being greater than the first bandwidth, to determine a type of the packet. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
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25. A method comprising:
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determining a preamble sequence of a packet, the preamble sequence having a determinable length; and causing, at least in part, the preamble sequence to be divided into a predetermined number of blocks, wherein the division of the blocks causes, at least in part, a preamble sequence that corresponds to a first bandwidth to be orthogonal with a preamble sequence that corresponds to a second bandwidth where each of the blocks is in a differential sense orthogonal. - View Dependent Claims (26)
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27. A computer-readable storage medium carrying one or more sequences of one or more instructions which, when executed by one or more processors, cause an apparatus to at least perform the following:
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determine a preamble sequence of a packet, the preamble sequence having a determinable length; cause, at least in part, the preamble sequence to be divided into a predetermined number of blocks; cause, at least in part, a mathematical operation and a summation over the predetermined number of blocks and a corresponding number of received blocks; and cause, at least in part, the summation to be maximized to determine the preamble sequence corresponds to one of a first bandwidth or a second bandwidth, the second bandwidth being greater than the first bandwidth, to determine a type of the packet. - View Dependent Claims (28, 29)
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Specification