Method and apparatus for controlling gain in communicaton system supporting beam forming scheme
AssigneeSamsung Electronics Co., Ltd.
InventorsJeong-Ho PARK, Won-Suk CHOI, Hyun-Kyu YU, Jae-Weon CHO
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Abstract
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.
Claims38
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.
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.
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.
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.
Dependencies are inferred from the claim text.