A signal reception apparatus in a communication system supporting a beam forming scheme is provided. The signal reception apparatus includes a Low Noise Amplifier (LNA) configured to generate a second signal by amplifying a first signal according to a first gain value, a Variable Gain Amplifier (VGA) configured to generate a third signal by amplifying the second signal according to a second gain value, and an Automatic Gain Controller (AGC) configured to control the first gain value and the second gain value by considering a plurality of beam types supported in a signal transmission apparatus.
Legal claims defining the scope of protection, as filed with the USPTO.
1. A signal reception apparatus in a communication system supporting a beam forming scheme, the signal reception apparatus comprising: a Low Noise Amplifier (LNA) configured to generate a second signal by amplifying a first signal according to a first gain value; a Variable Gain Amplifier (VGA) configured to generate a third signal by amplifying the second signal according to a second gain value; and an Automatic Gain Controller (AGC) configured to control the first gain value and the second gain value by considering a plurality of beam types supported in a signal transmission apparatus, wherein each of the plurality of beam types is determined by considering at least one of a beam width, a beam direction, and a combination of the beam width and the beam direction.
2. The signal reception apparatus of claim 1 , wherein the AGC comprises: a beam searcher configured to detect a beam type applied to the third signal, from among the plurality of beam types; a power calculator bank configured to calculate Root Mean Square (RMS) power of the third signal corresponding to the detected beam type; and a code mapper configured to: determine the first gain value and the second gain value corresponding to the RMS power calculated in the power calculator bank, and generate code values related to each of the determined first gain value and the determined second gain value.
3. The signal reception apparatus of claim 2 , wherein the power calculator bank includes a number of RMS power calculators equal to a number of the beam types, and wherein each of the RMS power calculators calculates an RMS power of the third signal corresponding to a related beam type.
4. The signal reception apparatus of claim 3 , wherein each of the RMS power calculators comprises: a square calculator configured to calculate an instantaneous power value of the third signal; and an average calculator configured to calculate average power of instantaneous power values calculated in the square calculator during a time interval.
5. The signal reception apparatus of claim 4 , wherein each of the RMS power calculators further comprises a memory configured to store the instantaneous power values calculated in the square calculator during the time interval.
6. The signal reception apparatus of claim 3 , wherein the AGC further comprises a switch configured to switch the third signal to an RMS power calculator configured to calculate an RMS power of the beam type detected in the beam searcher from among the plurality of the RMS power calculators.
7. The signal reception apparatus of claim 2 , wherein the third signal is a reference signal.
8. The signal reception apparatus of claim 1 , wherein the AGC further comprises a control processor configured to detect at least one of information on the plurality of beam types, information on a beam gain of each of the plurality of beam types, information on a time interval in which each of the plurality of beam types is used, and information on a channel in which each of the plurality of beam types is used.
9. The signal reception apparatus of claim 8 wherein the control processor is further configured to detect at least one of the information on the plurality of beam types, the information on the beam gain of each of the plurality of beam types, the information on the time interval in which each of the plurality of beam types is used, and the information on the channel in which each of the plurality of beam types is used through at least one of a broadcast channel and a message.
10. A signal reception apparatus in a communication system supporting a beam forming scheme, the signal reception apparatus comprising: a Low Noise Amplifier (LNA) configured to generate a second signal by amplifying a first signal according to a first gain value; a mixer configured to generate a third signal by mixing the second signal with a frequency signal; a Variable Gain Amplifier (VGA) configured to generate a fourth signal by amplifying the third signal according to a second gain value; an analog/digital converter configured to generate a fifth signal by digital converting the fourth signal; a MOdulator/DEModulator (MODEM) configured to generate a sixth signal by de-modulating the fifth signal using a de-modulation scheme corresponding to a modulation scheme used in a signal transmission apparatus; and an Automatic Gain Controller (AGC) configured to control the first gain value and the second gain value by considering a plurality of beam types supported in the signal transmission apparatus, wherein each of the plurality of beam types is determined by considering at least one of a beam width, a beam direction, and a combination of the beam width and the beam direction.
11. The signal reception apparatus of claim 10 , wherein the AGC comprises: a beam searcher configured to detect a beam type applied to the sixth signal from among the plurality of beam types; a power calculator bank configured to calculate Root Mean Square (RMS) power of the sixth signal corresponding to the detected beam type; and a code mapper configured to: determine the first gain value and the second gain value corresponding to the RMS power calculated in the power calculator bank, and generate code values related to each of the determined first gain value and the determined second gain value.
12. The signal reception apparatus of claim 11 , wherein the power calculator bank includes a number of RMS power calculators equal to a number of the beam types, and wherein each of the RMS power calculators calculates an RMS power of the sixth signal corresponding to a related beam type.
13. The signal reception apparatus of claim 12 , wherein each of the RMS power calculators comprises: a square calculator configured to calculate an instantaneous power value of the sixth signal; and an average calculator configured to calculate average power of instantaneous power values calculated in the square calculator during a time interval.
14. The signal reception apparatus of claim 13 , wherein each of the RMS power calculators further comprises a memory configured to store the instantaneous power values calculated in the square calculator during the time interval.
15. The signal reception apparatus of claim 12 , wherein the AGC further comprises a switch configured to switch the sixth signal to an RMS power calculator configured to calculate an RMS power of the beam type detected in the beam searcher from among the plurality of the RMS power calculators.
16. The signal reception apparatus of claim 11 , wherein the sixth signal is a reference signal.
17. The signal reception apparatus of claim 10 , wherein the AGC further comprises a control processor configured to detect at least one of information on the plurality of beam types, information on a beam gain of each of the plurality of beam types, information on a time interval in which each of the plurality of beam types is used, and information on a channel in which each of the plurality of beam types is used.
18. The signal reception apparatus of claim 17 , wherein the control processor is further configured to detect at least one the information on the plurality of beam types, the information on the beam gain of each of the plurality of beam types, the information on the time interval in which each of the plurality of beam types is used, and the information on the channel in which each of the plurality of beam types is used through at least one of a broadcast channel and a message.
19. An operation method of a signal reception apparatus in a communication system supporting a beam forming scheme, the operation method comprising: determining a first gain value and a second gain value by considering a plurality of beam types supported in a signal transmission apparatus; generating a second signal by amplifying a first signal according to the first gain value; and generating a third signal by amplifying the second signal according to the second gain value, wherein each of the plurality of beam types is determined by considering at least one of a beam width, a beam direction, and a combination of the beam width and the beam direction.
20. The operation method of claim 19 , wherein the determining of the first gain value and the second gain value by considering the plurality of beam types supported in the signal transmission apparatus comprises: detecting a beam type applied to the third signal from among the plurality of beam types; calculating Root Mean Square (RMS) power of the third signal corresponding to the detected beam type; determining the first gain value and the second gain value corresponding to the calculated RMS power; and generating code values related to each of the determined first gain value and the determined second gain value.
21. The operation method of claim 20 , wherein the calculating of the RMS power of the third signal corresponding to the detected beam type comprises calculating the RMS power of the third signal corresponding to each of the beam types.
22. The operation method of claim 21 , wherein the calculating of the RMS power of the third signal corresponding to each of the beam types comprises: calculating an instantaneous power value of the third signal; and calculating an average power of instantaneous power values during a time interval.
23. The operation method of claim 22 , wherein the calculating of the RMS power of the third signal corresponding to each of the beam types comprises storing the instantaneous power values calculated during the time interval.
24. The operation method of claim 20 , wherein the third signal is a reference signal.
25. The operation method of claim 19 , further comprising: detecting at least one of information on the plurality of beam types, information on a beam gain of each of the plurality of beam types, information on a time interval in which each of the plurality of beam types is used, and information on a channel in which each of the plurality of beam types is used.
26. The operation method of claim 25 , wherein the detecting of at least one of the information on the plurality of beam types, the information on the beam gain of each of the plurality of beam types, the information on the time interval in which each of the plurality of beam types is used, and the information on the channel in which each of the plurality of beam types is used comprises detecting at least one of the information on the plurality of beam types, the information on the beam gain of each of the plurality of beam types, the information on the time interval in which each of the plurality of beam types is used, and the information on the channel in which each of the plurality of beam types is used through at least one of a broadcast channel and a message.
27. An operation method of a signal reception apparatus in a communication system supporting a beam forming scheme, the operation method comprising: determining a first gain value and a second gain value by considering a plurality of beam types supported in a signal transmission apparatus; generating a second signal by amplifying a first signal according to the first gain value; generating a third signal by mixing the second signal with a frequency signal; generating a fourth signal by amplifying the third signal according to a second gain value; generating a fifth signal by digital converting the fourth signal; and generating a sixth signal by de-modulating the fifth signal using a de-modulation scheme corresponding to a modulation scheme used in the signal transmission apparatus, wherein each of the plurality of beam types is determined by considering at least one of a beam width, a beam direction, and a combination of the beam width and the beam direction.
28. The operation method of claim 27 , wherein the determining of the first gain value and the second gain value by considering the plurality of beam types supported in the signal transmission apparatus comprises: detecting a beam type applied to the sixth signal from among the plurality of beam types; calculating Root Mean Square (RMS) power of the sixth signal corresponding to the detected beam type; determining the first gain value and the second gain value corresponding to the calculated RMS power; and generating code values related to each of the determined first gain value and the determined second gain value.
29. The operation method of claim 28 , wherein the calculating of the RMS power of the sixth signal corresponding to the detected beam type comprises calculating the RMS power of the sixth signal corresponding to each of the beam types.
30. The operation method of claim 29 , wherein the calculating of the RMS power of the sixth signal corresponding to the detected beam type comprises: calculating an instantaneous power value of the sixth signal; and calculating average power of instantaneous power values during a time interval.
31. The operation method of claim 29 , wherein the calculating of the RMS power of the sixth signal corresponding to the detected beam type further comprises storing the instantaneous power values calculated during the time interval.
32. The operation method of claim 28 , wherein the sixth signal is a reference signal.
33. The operation method of claim 27 , further comprising: detecting at least one of information on the plurality of beam types, information on a beam gain of each of the plurality of beam types, information on a time interval in which each of the plurality of beam types is used, and information on a channel in which each of the plurality of beam types is used.
34. The operation method of claim 33 , wherein the detecting of at least one of the information on the plurality of beam types, the information on the beam gain of each of the plurality of beam types, the information on the time interval in which each of the plurality of beam types is used, and the information on the channel in which each of the plurality of beam types is used comprises detecting at least one of the information on the plurality of beam types, the information on the beam gain of each of the plurality of beam types, the information on the time interval in which each of the plurality of beam types is used, and the information on the channel in which each of the plurality of beam types is used through at least one of a broadcast channel and a message.
35. A signal reception apparatus in a communication system supporting a beam forming scheme, the signal reception apparatus comprising: a Low Noise Amplifier (LNA) configured to generate a second signal by amplifying a first signal according to a first gain value or a second gain value different from the first gain value, wherein the first gain value correlates to a first beam type signal and the second gain value correlates to a second beam type signal different from the first beam type signal; a Variable Gain Amplifier (VGA) configured to generate a third signal by amplifying the second signal according to a third gain value or a fourth gain value different from the third gain value, wherein the third gain value correlates to the first beam type signal and the fourth gain value correlates to the second beam type signal; and an Automatic Gain Controller (AGC) configured to control the first gain value, the second gain value, the third gain value, and the forth gain value by determining whether the first signal is the first beam type signal or the second beam type signal, wherein each of the plurality of beam types is determined by considering at least one of a beam width, a beam direction, and a combination of the beam width and the beam direction.
36. The signal reception apparatus of claim 35 , wherein the AGC comprises: a beam searcher configured to measure an instantaneous power of the third signal; a power calculator bank configured to calculate Root Mean Square (RMS) power of the third signal based on the instantaneous power measured at the beam searcher; and a code mapper configured to: determine the first gain value, the second gain value, the third gain value, and the fourth gain value based on the RMS power calculated in the power calculator bank, and generate code values related to each of the determined first gain value, the determined second gain value, the determined third gain value, and the determined forth gain value.
37. The signal reception apparatus of claim 36 , wherein the power calculator bank includes at least one RMS power calculator and the at least one RMS power calculator includes: a square calculator configured to square a signal strength of the third signal, and an average calculator configured to calculate average power of squared signal strength values calculated in the square calculator over a predetermined time interval.
38. The signal reception apparatus of claim 37 , wherein the power calculator bank includes a first RMS power calculator associated with the first beam type signal and a second RMS power calculator associated with the second beam type signal.
39. The signal reception apparatus of claim 38 , wherein the AGC further comprises a control processor configured to determine whether the third signal is associated with the first beam type signal or the second beam type signal based on the instantaneous power measured at the beam searcher.
40. The signal reception apparatus of claim 39 , wherein the AGC further comprises a switch configured to switch between the first RMS power calculator and the second RMS power calculator based on whether the third signal is determined to be associated with the first beam type signal or the second beam type signal.
41. The signal reception apparatus of claim 39 , wherein the control processor is further configured to detect at least one of information on the first beam type signal, information on the second beam type signal, information on a beam gain of the first beam type signal, information on a beam gain of the second beam type signal, information on a time interval in which the first beam type signal is used, information on a time interval in which the second beam type signal is used, information on a channel in which the first beam type signal is used, and information on a channel in which the second beam type signal is used.
42. The signal reception apparatus of claim 41 , wherein the control processor is further configured to detect at least one of the information on the first beam type signal, the information on the second beam type signal, the information on the beam gain of the first beam type signal, the information on the beam gain of the second beam type signal, the information on the time interval in which the first beam type signal is used, the information on the time interval in which the second beam type signal is used, the information on the channel in which the first beam type signal is used, and the information on the channel in which the second beam type signal is used through at least one of a broadcast channel and a message.
43. The signal reception apparatus of claim 35 , wherein the third signal is a reference signal.
44. The signal reception apparatus of claim 35 , wherein the first beam type signal includes at least one of a first beam width, a first beam direction, and a combination of the first beam width and the first beam direction and the second beam type signal includes at least one of a second beam width, a second beam direction, and a combination of the second beam width and the second beam direction.
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January 27, 2014
February 23, 2016
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