1. A method comprising:
receiving an indication to transmit a first type transmission;
selecting a first long training sequence to generate the first type transmission, wherein the first long training sequence is associated with the first type transmission in a first bandwidth mode of operation and a second long training sequence is associated with a second type transmission in the first bandwidth mode of operation; and
transmitting the first type transmission to an antenna for transmission.
2. The method of claim 1, further comprising transmitting, by an antenna, the first type transmission.
3. The method of claim 1, wherein receiving the indication comprises receiving the indication to transmit a short packet.
4. The method of claim 1, wherein receiving the indication comprises receiving the indication to transmit a short acknowledgement with a short training field sequence and the first long training field sequence.
5. The method of claim 1, wherein selecting the first long training sequence comprises selecting the first long training sequence from a group of more than two long training sequences designed for the first bandwidth mode of operation.
6. The method of claim 1, wherein selecting the first long training sequence from the group comprises selecting the first long training sequence a group of more than two long training sequences designed for the first bandwidth mode of operation, wherein each long training sequence in the group is differentially orthogonal to each other and differentially orthogonal to half of a third long training sequence for transmissions in a second bandwidth mode of operation.
7. The method of claim 1, wherein selecting the first long training sequence comprises selecting the first long training sequence, wherein the first long training sequence is differentially orthogonal to the second long training sequence, the first bandwidth mode of operation comprises a one megahertz bandwidth mode of operation.
8. A device comprising:
a signal processing logic; and
packet logic coupled with the signal processing logic to receive an indication to transmit a first type transmission; select a first long training sequence to generate the first type transmission, wherein the first long training sequence is associated with the first type transmission in a first bandwidth mode of operation and a second long training sequence is associated with a second type transmission in the first bandwidth mode of operation; and transmit the first type transmission to an antenna for transmission.
9. The device of claim 8, further comprising an antenna coupled with the packet logic to transmit the first type transmission.
10. The device of claim 8, wherein the packet logic comprises logic to receive the indication to transmit a short packet.
11. The device of claim 8, wherein the packet logic comprises logic to receive the indication to transmit a short acknowledgement with a short training field sequence and the first long training field sequence.
12. The device of claim 8, wherein the packet logic comprises logic to select the first long training sequence from a group of more than two long training sequences designed for the first bandwidth mode of operation.
13. The device of claim 8, wherein the packet logic comprises logic to select the first long training sequence in the group, wherein each long training sequence in the group is differentially orthogonal to each other and differentially orthogonal to half of a third long training sequence for transmissions in a second bandwidth mode of operation.
14. The device of claim 8, wherein the packet logic comprises logic to select the first long training sequence, wherein the first long training sequence is differentially orthogonal to the second long training sequence and the first bandwidth mode of operation comprises a one megahertz bandwidth mode of operation.
15. A method comprising:
receiving a transmission comprising a first long training sequence, wherein the first long training sequence is associated with the first type transmission in a first bandwidth mode of operation and a second long training sequence is associated with a second type transmission in the first bandwidth mode of operation; and
correlating the first long training sequence to identify whether the first long training sequence is associated with the first type transmission in the first bandwidth mode of operation.
16. The method of claim 15, further comprising determining an expected packet and determining if the transmission comprises the expected packet based upon a comparison with an expected long training sequence, wherein the expected long training sequence comprises the first long training sequence or the second long training sequence.
17. The method of claim 15, further comprising transmitting an indication of receipt of the first type transmission to a medium access control sublayer logic.
18. The method of claim 17, wherein transmitting the indication of receipt comprises transmitting the indication of receipt of a short packet.
19. The method of claim 17, wherein transmitting the indication of receipt comprises transmitting the indication of receipt of a short acknowledgement with a short training field sequence and the first long training field sequence.
20. The method of claim 15, wherein receiving the transmission comprises receiving the transmission via an antenna array.
21. The method of claim 15, wherein correlating the first long training sequence comprises classifying the transmission as the first bandwidth mode of operation based upon the differentially orthogonal properties of the first long training sequence and the second long training sequence being differentially orthogonal to each other and differentially orthogonal to half of a third long training sequence for transmissions in a second bandwidth mode of operation.
22. A device comprising:
a signal processing logic; and
correlation logic coupled with the signal processing logic to receive a transmission comprising a first long training sequence, wherein the first long training sequence is associated with the first type transmission in a first bandwidth mode of operation and a second long training sequence is associated with a second type transmission in the first bandwidth mode of operation; and correlate the first long training sequence to identify whether the first long training sequence is associated with the first type transmission in the first bandwidth mode of operation.
31. (canceled)
23. The device of claim 22, further comprising memory coupled with the correlation logic to store more than two long training sequences associated with the first bandwidth mode of operation, wherein each of the more than two long training sequences is associated with different type transmission.
24. The device of claim 22, wherein the correlation logic comprises logic to transmit an indication of receipt of the first type transmission to a medium access control sublayer logic.
25. The device of claim 24, wherein the logic to transmit the indication of receipt comprises logic to transmit the indication of receipt of a short packet.
26. The device of claim 22, wherein the logic to transmit the indication of receipt comprises logic to transmit the indication of receipt of a short acknowledgement with a short training field sequence and the first long training field sequence.
27. The device of claim 22, wherein the correlation logic comprises a frequency domain, differential detector to classify the transmission as the first bandwidth mode of operation based upon the differentially orthogonal properties of the first long training sequence and the second long training sequence being differentially orthogonal to each other and differentially orthogonal to half of a third long training sequence for transmissions in a second bandwidth mode of operation.
28. A machine-accessible product comprising:
a medium containing instructions, wherein the instructions, when executed by a station, causes the station to perform operations, the operations comprising:
receiving an indication to transmit a first type transmission;
selecting a first long training sequence to generate the first type transmission, wherein the first long training sequence is associated with the first type transmission in a first bandwidth mode of operation and a second long training sequence is associated with a second type transmission in the first bandwidth mode of operation; and
transmitting the first type transmission to an antenna for transmission.
29. The machine accessible product of claim 28, wherein selecting the first long training sequence comprises selecting the first long training sequence from a group of more than two long training sequences designed for the first bandwidth mode of operation.
30. A machine-accessible product comprising:
a medium containing instructions, wherein the instructions, when executed by a station, causes the station to perform operations, the operations comprising:
receiving a transmission comprising a first long training sequence, wherein the first long training sequence is associated with the first type transmission in a first bandwidth mode of operation and a second long training sequence is associated with a second type transmission in the first bandwidth mode of operation; and
correlating the first long training sequence to identify whether the first long training sequence is associated with the first type transmission in the first bandwidth mode of operation.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A monolithic optical element comprising:
a substrate body;
at least one macro-optical characteristic integral in a first portion of the optical element; and
a plurality of micro-structures integral in a portion of the optical element wherein the micro-structures homogenize light passing through the optical element to produce a predetermined distribution of smoothly varying, non-discontinuous light exiting the optical element.
2. The optical element according to claim 1, wherein the micro-structures are optically created on a substrate and subsequently replicated from the substrate into a second portion during manufacture of the optical element.
3. The optical element according to claim 1, wherein the micro-structures are mechanically created on a substrate and subsequently replicated from the substrate into a second portion during manufacture of the optical element.
4. The optical element according to claim 1, wherein the substrate body is a Fresnel lens and the at least one macro-optical characteristic is a plurality of Fresnel optics.
5. The optical element according to claim 1, wherein the micro-structures further direct the predetermined distribution of light exiting the optical element in a predetermined direction.
6. The optical element according to claim 1, wherein the substrate body is a plastic material and wherein the at least one macro-optical characteristic and the micro-structures are each molded integral in the plastic material during formation of the optical element.
7. The optical element according to claim 1, wherein the substrate body is a hardened sol-gel solution and wherein the at least one macro-optical characteristic and the micro-structures are each formed integral in the sol-gel material during formation of the optical element.
8. The optical element according to claim 1, wherein the substrate body is a glass material and wherein the micro-structures are molded integral into the second portion of the glass material and the at least one macro-optical characteristic is subsequently formed in the first portion of the glass.
9. The optical element according to claim 1, wherein the substrate body is an elongate optical waveguide and the at least one macro-optical characteristic is a refractive index of the optical waveguide and wherein the micro-structures are formed integral in a transverse end of the optical waveguide.
10. The optical element according to claim 1, wherein the substrate body is a cylindrical lens and wherein the at least one macro-optical characteristic is defined by a curved surface on the cylindrical lens.
11. The optical element according to claim 1, wherein the substrate body is a convex lens and wherein the at least one macro-optical characteristic is a refractive index of a curved surface of the convex lens.
12. The optical element according to claim 1, wherein the substrate body is a prismatic structure and wherein the at least one macro-optical characteristic is a refractive index of a plurality of prisms on the prismatic structure.
13. The optical element according to claim 1, wherein the substrate body is a polarizer and wherein the macro-optical characteristic is a light polarizing capability of the polarizer.
14. The optical element according to claim 1, wherein the substrate body is an optical filter grating structure and wherein the at least one macro-optical characteristic is a filtering capability of a plurality of spaced apart gratings formed in the filter grating structure.
15. The optical element according to claim 1, wherein the substrate body is a concave lens and wherein the macro-optical characteristic is a refractive index of a concave curved surface of the concave lens.
16. A monolithic lens comprising:
a solid lens body having a first surface and a second surface;
a lens macro-structure integral in the first surface of the lens body; and
a plurality of surface micro-structures integral in the second surface of the monolith wherein the micro-structures homogenize light passing through the optical element to produce a predetermined distribution of smoothly varying, non-discontinuous light exiting the optical element.
17. The monolithic lens according to claim 16, wherein the micro-structures further direct light exiting the monolithic lens in a predetermined pattern.
18. The monolithic lens according to claim 16, wherein the micro-structures are non-uniform across the second surface.