METHODS OF TRANSMITTING AND RECEIVING DATA

• US 20100165913A1
• Filed: 04/26/2007
• Published: 07/01/2010
• Est. Priority Date: 04/26/2006
• Status: Abandoned Application

• Current Assignee: Agency For Science Technology and Research
• Original Assignee: Agency For Science Technology and Research
• Inventors: Kong, Peng Yong, Ang, Chee Wei
• Application Number:
  US12/298,533
• Publication Number:
  US 20100165913A1
• Time in Patent Office: Days
• US Class Current: 370/328
• CPC Class Codes: H04W 72/541 using the level of interference

Abstract

A method of transmitting data from a first communication device to a second communication device, comprising receiving a first signal on a first frequency channel from the second communication device, generating data, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a second signal transmitted by a third communication device, transmitting a third signal on a second frequency channel to the second communication device, wherein the transmission is carried out for a predetermined duration, receiving a fourth signal on the second frequency channel from the second communication device; and transmitting the data generated on the second frequency channel to the second communication device.

Claims

1. A method of transmitting data from a first communication device to a second communication device, comprising:

receiving a first signal on a first frequency channel from the second communication device;

generating data, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a second signal transmitted by a third communication device;

transmitting a third signal on a second frequency channel to the second communication device, wherein the transmission is carried out for a predetermined duration;

receiving a fourth signal on the second frequency channel from the second communication device; and

transmitting the data generated on the second frequency channel to the second communication device.

2. The method of claim 1, wherein the third signal comprises a multi-tone signal.

3. The method of claim 1, further comprises

synchronizing to the fourth signal received on the second frequency channel from the second communication device.

4. The method of claim 3, wherein the fourth signal is a synchronization signal.

5. The method of claim 1, wherein the second communication device is a basestation.

6. A method of receiving data from a first communication device at a second communication device, comprising:

transmitting a first signal on a first frequency channel;

receiving a second signal on one of a plurality of frequency channels;

determining the frequency channel from which the second signal is received;

transmitting a third signal on the frequency channel determined; and

receiving data on the frequency channel determined, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a fourth signal transmitted by a third communication device.

7. The method of claim 6, wherein the third signal is a synchronization signal.

8. The method of claim 6, wherein the second communication device is a basestation.

9. A method of transmitting data from a first communication device to a second communication device, comprising:

receiving a first signal on a first frequency channel from the second communication device;

generating data, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a second signal transmitted by a third communication device; and

transmitting a third signal on a second frequency channel to the second communication device, wherein the third signal comprises the data generated, and wherein the transmission is carried out at predetermined intervals for a predetermined number of times.

10. The method of claim 9, wherein the third signal further comprises a preamble.

11. The method of claim 10, wherein the preamble is a pseudo-random sequence.

12. The method of claim 10, wherein the preamble is a Gold sequence.

13. The method of claim 9, wherein the second communication device is a basestation.

14. A method of transmitting data from a first communication device to a second communication device, comprising:

receiving a first signal on a first frequency channel from the second communication device;

generating data, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a second signal transmitted by a third communication device; and

transmitting a third signal on the first frequency channel to the second communication device, at a transmission power level at least substantially near the maximum transmission power level, wherein the third signal comprises the data generated.

15. The method of claim 14, wherein the transmission of the third signal is carried out for a predetermined duration.

16. The method of claim 14, wherein the third signal further comprises a preamble.

17. The method of claim 16, wherein the preamble is a pseudo-random sequence.

18. The method of claim 16, wherein the preamble is a Gold sequence.

19. The method of claim 14, wherein the second communication device is a basestation.

20. A method of transmitting data from a first communication device to a second communication device, comprising:

receiving a first signal on a first frequency channel from the second communication device;

generating data, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a second signal transmitted by a third communication device; and

transmitting a third signal on the first frequency channel to the second communication device, wherein the third signal comprises the data generated, and wherein the transmission is carried out for a predetermined duration.

21. The method of claim 20, wherein the third signal further comprises a preamble.

22. The method of claim 21, wherein the preamble is a pseudo-random sequence.

23. The method of claim 21, wherein the preamble is a Gold sequence.

24. The method of claim 20, wherein the second communication device is a basestation.

25. A method of receiving data from a first communication device at a second communication device, comprising:

transmitting a first signal on a first frequency channel;

determining a second signal from a plurality of frequency channels, wherein the second signal includes data, and wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a third signal transmitted by a third communication device; and

deriving the data from the second signal determined.

26. The method of claim 25, wherein the second signal further comprises a preamble.

27. The method of claim 26, wherein the preamble is a pseudo-random sequence.

28. The method of claim 26, wherein the preamble is a Gold sequence.

29. The method of claim 25, wherein the second communication device is a basestation.

30. A method of transmitting data from a first communication device to a second communication device, comprising:

receiving a first signal on a first frequency channel from the second communication device;

generating data, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a second signal transmitted by a third communication device;

determining a third signal on the second frequency channel from the second communication device;

initiating the setting up of a communication connection with the second communication device on a second frequency channel;

determining a time interval for transmission allocated by the second communication device; and

transmitting the data generated on the second frequency channel to the second communication device, at a time interval allocated.

31. The method of claim 30, further comprises

synchronizing to the third signal received on the second frequency channel from the second communication device.

32. The method of claim 31, wherein the third signal is a synchronization signal.

33. The method of claim 30, wherein the second communication device is a basestation.

34. A method of receiving data from a first communication device at the second communication device, comprising:

transmitting a first signal on a first frequency channel;

transmitting a second signal on a plurality of second frequency channels;

setting up a communication connection initiated by a first communication device on one of the plurality of second frequency channels determined by the first communication device;

allocating a time interval for transmission by the first communication device on the frequency channel determined by the first communication device, wherein the allocation of the time interval for transmission is performed by the second communication device; and

receiving data from the first communication device at the time interval allocated on the frequency channel determined by the first communication device, wherein the data comprises a reception status indicating whether there is interference on the first frequency channel due to a third signal transmitted by a third communication device.

35. The method of claim 34, wherein the second signal is a synchronization signal.

36. The method of claim 34, wherein the second communication device is a basestation.