APPARATUS AND METHOD FOR SWITCHING FROM RECEPTION TO TRANSMISSION

• US 20110045786A1
• Filed: 12/22/2008
• Published: 02/24/2011
• Est. Priority Date: 12/28/2007
• Status: Active Grant

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Corporation
• Inventors: Valtanen, Juha Pentti Tapio, Rousu, Seppo Olavi, Leinonen, Marko Eero Tapani
• Granted Patent: US 8,989,677 B2
• Time in Patent Office: Days
• US Class Current: 455/78
• CPC Class Codes: H01Q 21/28 Combinations of substantially independent non-interacting antenna units or systems multiple beam H01Q25/00
• CPC Class Codes: H01Q 3/24 varying the orientation by switching energy from one active radiating element to another, e.g. for beam switching
• CPC Class Codes: H04B 1/0064 with separate antennas for the more than one band H04B1/0053 takes precedence
• CPC Class Codes: H04B 7/0842 Weighted combining

Abstract

The invention is related to an apparatus comprising: at least one definition unit configured to define signal characterizing parameters of a transmission; and at least one routing unit configured to route the transmission to at least one transmission path based on the signal characterizing parameters, the at least one transmission path arranged to convey the transmission to at least one antenna.

Claims

1-21. -21. (canceled)

22. An apparatus comprising:

a sensor configured to monitor at least one condition of the apparatus; and

a control logic configured to make a switching decision based at least in part on information from the sensor;

wherein the control logic is further configured to change usage of at least one antenna from reception to transmission in response to the switching decision.

23. The apparatus of claim 22, wherein the switching decision by the control logic is based at least in part on signal characterizing parameters.

24. The apparatus of claim 23, wherein the signal characterizing parameters are at least one of the following:

operational frequency of the transmission or reception of a first transceiver,

operational frequency of the transmission or reception of a second transceiver,

power level of a received signal,

used modulation methods,

supported Multiple Input-Multiple Output transmission class,

harmonic frequencies generated for a radio block,

harmonic power level generated from a radio block,

timings of the receptions and transmissions of a radio block, and

a number of sub-carriers of a reception or transmission.

25. The apparatus of claim 22, wherein the control logic is further configured to change the usage of a predetermined antenna to reception and transmission.

26. The apparatus of claim 22, wherein the control logic is further configured to change the usage of at least one element of a diversity reception antenna from reception to transmission.

27. The apparatus of claim 22, wherein the control logic is further configured to change the usage of a reception antenna serving a first radio system to a transmission antenna serving a second radio system.

28. The apparatus of claim 22, further comprising:

an antenna matching tuning block configured to change a resonance frequency of an antenna whose usage is changed.

29. The apparatus of claim 22, wherein the control logic comprises a power control algorithm and is further configured to make the switching decision based on at least one of the following parameters:

a power level of a transmission,

data rate of a signal to be transmitted,

frequency of a transmission,

used modulation of a transmission,

a number of sub-carriers of a transmission or reception,

information from the power detection or monitoring circuitry,

frequency of a reception,

strength of a reception signal,

received signal quality,

received signal data rate,

modulation of reception,

harmonic frequencies generated by a transmission,

harmonic power levels generated by a transmission,

timing of a reception and

timing of a transmission.

30. A method comprising:

monitoring at least one condition by a sensor for using information from the sensor in making a switching decision

generating the switching decision for changing usage of at least one antenna from reception to transmission by a control logic; and

changing usage of at least one antenna responsive to the generated switching decision by the control logic.

31. The method of claim 30, further comprising:

generating the switching decision based on signal characterizing parameters.

32. The method of claim 31, wherein the signal characterizing parameters are at least one of the following:

operational frequency of the transmission or reception of a first transceiver,

operational frequency of the transmission or reception of a second transceiver,

power level of a received signal,

quality level of a received signal,

power level of a transmitted signal used quality level of a received signal, power level of a transmitted signal modulation methods,

supported Multiple Input-Multiple Output transmission class,

harmonic frequencies generated for a radio block,

harmonic power level generated from a radio block,

timings of the receptions and transmissions of a radio block, and

a number of sub-carriers of a reception or transmission.

33. The method of claim 30, further comprising:

changing the usage of a predetermined antenna to reception and transmission.

34. The method of claim 30, further comprising:

changing the usage of at least one element of a diversity reception antenna from reception to transmission.

35. The method of claim 30, further comprising:

changing the usage of a reception antenna serving a first radio system to a transmission antenna serving a second radio system

36. The method of claim 30, further comprising:

changing a resonance frequency of an antenna whose usage is changed by an antenna matching tuning block.

37. The method of claim 30, further comprising:

making the switching decision based on a power control algorithm and at least one of the following parameters;

a power level of a transmission,

data rate of a signal to be transmitted,

frequency of a transmission,

used modulation of a transmission,

a number of sub-carriers of a transmission or reception,

information from the power detection or monitoring circuitry,

frequency of a reception,

strength of a reception signal,

received signal quality,

received signal data rate,

modulation of reception,

harmonic frequencies generated by a transmission,

harmonic power levels generated by a transmission,

timing of a reception and timing of a transmission.

38. A control logic processor comprising circuitry configured:

to generate a switching decision;

the switching decision based at least in part on information from a sensor monitoring at least one condition of an apparatus; and

to change usage of at least one antenna from reception to transmission in response to the switching decision.