PATENT CLAIM ANALYSIS

Application Number: 15992816
Application Type: Utility
Filing Date: 2018-05
Publication Date: 2018-12
Patent Classification: ["370", "329000"]

Abstract:
A MIMO communication method for performing MIMO communication between a base station including a plurality of antennas, and a plurality of terminals accommodated in the base station. The method includes, in the base station, dividing the plurality of terminals into a first and a second group, and assigning orthogonal codes with each other to the respective groups, spreading transmission data to the plurality of terminals with the assigned codes, multiplying data obtained by the spreading by a predetermined pre-coding matrix, obtaining a channel matrix representing channels between the plurality of antennas and the plurality of terminals, multiplying data obtained by the multiplying by the pre-coding matrix by a complex conjugate matrix of the channel matrix, and transmitting data obtained by the multiplying by the complex conjugate matrix from the plurality of antennas.

Claim (Index 1):
A multiple input multiple output (MIMO) communication method for performing MIMO communication between a base station including a plurality of antennas, and a plurality of terminals accommodated in the base station, the method comprising:\n in the base station,\n dividing the plurality of terminals into a first and a second group, and assigning orthogonal codes with each other to the respective groups, the orthogonal codes being a plurality of orthogonal variable spreading factor (OVSF) codes assigned to each of the first and second group, \n spreading transmission data to the plurality of terminals with the assigned codes, multiplying a sum of at least the first and the second data with each other by a predetermined pre-coding matrix, \n obtaining a channel matrix representing channels between the plurality of antennas and the plurality of terminals, \n multiplying data obtained by the multiplying by the pre-coding matrix by a complex conjugate transpose matrix of the channel matrix, and \n transmitting data obtained by the multiplying by the complex conjugate transpose matrix from the plurality of antennas, \n in each of the plurality of terminals,\n receiving signals transmitted from the plurality of antennas of the base station, and \n inversely spreading the received signals using an orthogonal code assigned to the own terminal so as to decode transmission data to the own terminal.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 93.0
- Lexical Diversity: 2.6
- Patent Class: 370.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['14714566', '14714487', '15804290', '14163423', '15560186']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.5437258613186481
- 35 USC 102 Novelty (BERT): 0.5115115453457765
- Combined Prediction Score: 0.5405044297213609
- Mean Citation Score: 234.27377
- Max Citation Score: 329.64893
- Similarity Product: 316.35727586744065

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

Dataset: test