PATENT CLAIM ANALYSIS

Application Number: 16028642
Application Type: Utility
Filing Date: 2018-07
Publication Date: 2018-11
Patent Classification: ["375", "298000"]

Abstract:
A transmission method for simultaneously transmitting a first modulated signal and a second modulated signal at the same frequency includes performing precoding on both signals using a fixed precoding matrix and regularly changing the phase of at least one of the signals. In this method, the power ratio between a plurality of signals transmitted from a plurality of antennas at the same frequency and at the same time differs from the power ratio between a plurality of pilot signals transmitted from the plurality of antennas at the same frequency and at the same time, whereby the accuracy of channel estimation by a reception device is improved.

Claim (Index 6):
A reception method comprising:\n receiving a transmission signal z 1 ( t ) and a second transmission signal z 2 ( t ); and demodulating the transmission signal z 1 ( t ) and the second transmission signal z 2 ( t ) to a first data sequence and a second data sequence, respectively, wherein the transmission signal z 1 ( t ) and the second transmission signal z 2 ( t ) are generated by:\n (i) applying a Quadrature Phase Shift Keying (QPSK) modulation scheme to a first data sequence to generate a QPSK modulation signal s 1 ( t ), \n (ii) applying a 16-Quadrature Amplitude Modulation (QAM) modulation scheme to a second data sequence to generate a 16-QAM modulation signal s 2 ( t ), an average transmission power of the 16-QAM modulation signal s 2 ( t ) being the same as an average transmission power of the QPSK modulation signal s 1 ( t ), \n (iii) applying a phase hopping process, a precoding process, and a power adjust process indicated in Equation 4 to the QPSK modulation signal s 1 ( t ) and the 16-QAM modulation signal s 2 ( t ) to generate a transmission signal z 1 ( t ) and a second transmission signal z 2 ( t ), and \n (iv) transmitting the transmission signal z 1 ( t ) from a first antenna of a transmission apparatus at a first time and a first frequency and the second transmission signal z 2 ( t ) from a second antenna of the transmission apparatus at the first time and the first frequency, wherein \n ( z \ue89e \ue89e 1 \ue89e ( t ) z \ue89e \ue89e 2 \ue89e ( t ) ) = ( 1 0 0 e j \ue89e \ue89e \u03b8 \ue89e \ue89e \u03c0 \ue89e \ue89e t ) \u00d7 1 2 \ue89e ( 1 1 1 - 1 ) \u00d7 ( v 0 0 v * 2 ) \u00d7 ( s \ue89e \ue89e 1 \ue89e ( t ) s \ue89e \ue89e 2 \ue89e ( t ) ) ( Equation \ue89e \ue89e 4 ) where v is a positive real number, t indicates a slot, and \u03b8 is a positive real number.

Metadata:
- Claim Count in Document: 3.0
- Percentile: 95.0
- Lexical Diversity: 2.03704
- Patent Class: 375.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: True
- Related Applications: ['14241130', '15143681', '15202766', '14703009', '15991349']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7240601970659406
- 35 USC 102 Novelty (BERT): 0.7235392811063222
- Combined Prediction Score: 0.7240081054699788
- Mean Citation Score: 838.4743920000003
- Max Citation Score: 883.72205
- Similarity Product: 781.0223545358507

Labels:
- Claim Label 101: 1
- Claim Label 102: 0
- Claim Label 103: 1
- Claim Label 112: 0
- Combined Label: 0
- Label 101 Adjusted: 1

Dataset: test