Abstract
PROBLEM TO BE SOLVED: To widen a service area by taking a PAPR characteristic into consideration and keeping a characteristic deterioration to the minimum.
SOLUTION: An encoding unit 1 encodes data a modulation unit 2 performs modulation such as BPSK a variable SF spreading unit 3 performs spreading by control information A from a control unit 10 changing a spreading factor SF according to required transmission power and a DFT-spread-OFDM signal generated via an IDFT unit 4 a GI insertion unit 5 a P/S conversion unit 6 and a D/A conversion unit is controlled and adjusted to appropriate transmission power by the control information A at an RF unit 8 composed of a variable gain amplifier 85 adjusting output power and a high-output amplifier 86.
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| EP2472731B1 | ----- | ----- | ----- | ----- | ----- | ----- | ----- | |||
| Publication No | Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | Status | National Phase Entries | |||||
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Technologies
Power Control Signal Processing
Product
Base Station (eNB/gNB)User Equipment (UE/Terminal)
Use Cases
Not Available
Services
Multi-carrier wireless communication
Claim
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