Dual mode communication systems and methods
Embodiments of dual mode communication systems and methods are disclosed. On system embodiment, among others, comprises logic configured to perform spatial multiplexing and expanded bandwidth signaling to data.
1. A method comprising:
generating first mode transmit symbols at a first transmitter and a second transmitter of a transmitting device;
transmitting in a first mode using the first mode transmit symbols from the first transmitter and the second transmitter on separate data streams in a common frequency spectrum band over a plurality of antennas;
generating second mode transmit symbols at the first transmitter and the second transmitter of the transmitting device;
transmitting in a second mode the second mode transmit symbols from the first transmitter over a first set of antennas across a first frequency spectrum; and
transmitting in the second mode using the second mode transmit symbols from the second transmitter over a second set of antennas across a second frequency spectrum, wherein the first frequency spectrum does not overlap with the second frequency spectrum.
2. The method of claim 1 , wherein each frequency spectrum comprises a plurality of frequency subbands.
3. The method of claim 1 , wherein the first transmitter and the second transmitter generate and transmit symbols during the same period of time.
4. The method of claim 1 , wherein when transmitting in the first mode, the first transmitter and the second transmitter generate and transmit symbols within the same frequency channel.
5. The method of claim 1 , wherein when transmitting in the second mode the first transmitter and the second transmitter generate and transmit symbols in adjacent frequency channels.
6. The method of claim 1 , wherein when transmitting in the second mode the first transmitter and the second transmitter modulate and transmit symbols in non-adjacent frequency channels.
7. The method of claim 1 , wherein the first set of antennas is different from the second set of antennas.
8. The method of claim 1 , wherein the first set of antennas comprises a plurality of antennas.
9. A method comprising:
receiving, in a first mode, first mode symbols with a first receiver and a second receiver operating in a common frequency spectrum band via a plurality of antennas;
receiving, in a second mode, second mode symbols with the first receiver over a first set of antennas operating in a first frequency spectrum; and
receiving, in the second mode, second mode symbols with the second receiver over a second set of antennas operating in a second frequency spectrum, wherein the first frequency spectrum does not overlap with the second frequency spectrum.
10. The method of claim 9 , wherein each frequency spectrum comprises a plurality of frequency subbands.
11. The method of claim 9 , wherein the first receiver and a second receiver receive and process symbols during the same period of time.
12. The method of claim 9 , wherein when receiving in the first mode the first receiver and the second receiver jointly process separate received data signals located within the same frequency channel.
13. The method of claim 9 , wherein when receiving in the second mode the first receiver and the second receiver jointly process separate received data signals located in adjacent frequency channels.
14. The method of claim 9 , wherein when receiving in the second mode the first receiver and the second receiver jointly process separate received data signals located in non-adjacent frequency channels.
15. The method of claim 9 , wherein the first set of antennas is different from the second set of antennas.
16. The method of claim 9 , wherein the first set of antennas comprises a plurality of antennas.
17. An article of manufacture including a non-transitory computer-readable medium having instructions stored thereon that, upon execution by a computing device, cause the computing device to perform the operations comprising:
generating first mode transmit symbols at a first transmitter and a second transmitter of a transmitting device;
transmitting in a first mode using the first mode transmit symbols from the first transmitter and the second transmitter on separate data streams in a common frequency spectrum band over a plurality of antennas;
generating second mode transmit symbols at the first transmitter and the second transmitter of the transmitting device;
transmitting in a second mode the second mode transmit symbols from the first transmitter over a first set of antennas across a first frequency spectrum; and
transmitting in the second mode using the second mode transmit symbols from the second transmitter over a second set of antennas across a second frequency spectrum, wherein the first frequency spectrum does not overlap with the second frequency spectrum.
18. The article of manufacture of claim 17 , wherein each frequency spectrum comprises a plurality of frequency subbands.
19. The article of manufacture of claim 17 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising transmitting symbols from the first transmitter and the second transmitter during the same period of time.
20. The article of manufacture of claim 17 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising, when transmitting in the first mode, the first transmitter and the second transmitter generate and transmit symbols within the same frequency channel.
21. The article of manufacture of claim 17 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising, when transmitting in the second mode, the first transmitter and the second transmitter generate and transmit symbols in adjacent frequency channels.
22. The article of manufacture of claim 17 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising, when transmitting in the second mode, the first transmitter and the second transmitter generate and transmit symbols in non-adjacent frequency channels.
23. The article of manufacture of claim 17 , wherein the first set of antennas is different from the second set of antennas.
24. The article of manufacture of claim 17 , wherein the first set of antennas comprises a plurality of antennas.
25. An article of manufacture including a non-transitory computer-readable medium having instructions stored thereon that, upon execution by a computing device, cause the computing device to perform the operations comprising:
receiving, in a first mode, first mode symbols with a first receiver and a second receiver operating in a common frequency spectrum band via a plurality of antennas;
receiving, in a second mode, second mode symbols with the first receiver over a first set of antennas across a first frequency spectrum; and
receiving, in the second mode, second mode symbols with the second receiver over a second set of antennas operating in a second frequency spectrum, wherein the first frequency spectrum does not overlap with the second frequency spectrum.
26. The article of manufacture of claim 25 , wherein each frequency spectrum comprises a plurality of frequency subbands.
27. The article of manufacture of claim 25 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising receiving symbols with the first receiver and the second receiver during the same period of time.
28. The article of manufacture of claim 25 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising, when receiving in the first mode, the first receiver and the second receiver jointly process separate received data signals located within the same frequency channel.
29. The article of manufacture of claim 25 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising, when receiving in the second mode, the first receiver and the second receiver jointly process separate received data signals located in adjacent frequency channels.
30. The article of manufacture of claim 25 , wherein the instructions, upon execution by a computing device, cause the computing device to perform the operation comprising, when receiving in the second mode, the first receiver and the second receiver jointly process separate received data signals located in non-adjacent frequency channels.
31. The article of manufacture of claim 25 , wherein the first set of antennas is different from the second set of antennas.
32. The article of manufacture of claim 25 , wherein the first set of antennas comprises a plurality of antennas.