PATENT CLAIM ANALYSIS

Application Number: 16015989
Application Type: Utility
Filing Date: 2018-06
Publication Date: 2018-10
Patent Classification: ["375", "295000"]

Abstract:
In various embodiments, techniques are provided to determine channel characteristics of various communication systems such as OFDM systems or systems using a plurality of transmit antennas by using various sets of training symbols that produce zero cross-correlation energy. Channel communication can accordingly be simplified as the zero cross-correlation property allows for channel estimation without a matrix inversion.

Claim (Index 1):
An apparatus for communicating using MIMO and an orthogonal frequency division multiplexing (OFDM) technique, comprising:\n circuitry, configured to\n receive a propagated signal of a first training sequence and a propagated signal of a second training sequence, the first training sequence being transmitted from first transmit circuitry as first OFDM symbols, the second training sequence being transmitted from second transmit circuitry as second OFDM symbols; and \n estimate MIMO channels based on the propagated signal of the first training sequence and the propagated signal of the second training sequence, wherein \n a cross-correlation between the first training sequence and the second training sequence is zero, the first training sequence includes a plurality of first patterns of training symbols for a plurality of first sub-bands of the first OFDM symbols such that each of the plurality of first patterns of training symbols is allocated to at least two of the plurality of the first sub-bands of the first OFDM symbols, and the second training sequence includes a plurality of second patterns of training symbols for a plurality of second sub-bands of the second OFDM symbols such that each of the plurality of second patterns of training symbols is allocated to at least two of the plurality of the second sub-bands of the second OFDM symbols.

Metadata:
- Claim Count in Document: 1.0
- Percentile: 94.0
- Lexical Diversity: 1.30435
- Patent Class: 375.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15430096', '14258849', '09862755', '13925306', '11508480']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.469908710120832
- 35 USC 102 Novelty (BERT): 0.4384457651840893
- Combined Prediction Score: 0.4667624156271577
- Mean Citation Score: 162.23621199999997
- Max Citation Score: 172.2068
- Similarity Product: 170.77397206046578

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

Dataset: test