PATENT CLAIM ANALYSIS

Application Number: 16382665
Application Type: Utility
Filing Date: 2019-04
Publication Date: 2019-08
Patent Classification: ["398", "115000"]

Abstract:
Embodiments disclosed in the detailed description include supporting an add-on remote unit(s) (RU) in an optical fiber-based distributed antenna system (DAS) over existing optical fiber communications medium using radio frequency (RF) multiplexing. An existing DAS comprises at least one existing head end equipment (HEE) communicatively coupled to a plurality of existing RUs through an existing optical fiber communications medium. In aspects disclosed herein, an add-on RU is added to the existing DAS to support additional wireless communications. No new optical fibers are required to be deployed to support communications to the add-on RU in the existing DAS. Instead, the existing DAS is configured to support the add-on RU through the existing optical fiber communications medium using RF multiplexing. As a result, the add-on RU can be added to the existing optical fiber-based DAS without adding new optical fibers, thus leading to reduced service disruptions and deployment costs.

Claim (Index 1):
A remote unit (RU) system in wireless communications system, comprising:\n an existing RU comprising an existing RU downlink communications signal path configured to convert at least one existing downlink optical radio frequency (RF) communications signal received from at least one existing RU downlink optical signal interface into at least one existing downlink electrical RF communications signal; an add-on RU comprising an add-on RU downlink communications signal path configured to convert at least one add-on downlink optical RF communications signal received from at least one add-on RU downlink optical signal interface into at least one add-on downlink electrical RF communications signal different from the at least one existing downlink electrical RF communications signal; and a RU frontend interface comprising:\n a first optical-to-electrical (O/E) converter coupled to a downlink optical fiber; \n an RF de-multiplexer coupled to the first O/E converter; \n a first electrical-to-optical (E/O) converter coupled to the RF de-multiplexer and at least one existing RU; \n a second O/E converter coupled to the at least one existing RU; \n a third O/E converter coupled to at least one add-on RU; \n an RF multiplexer coupled to the second O/E converter and the third O/E converter; \n a second E/O converter coupled to an uplink optical fiber and the RF multiplexer; and \n a third E/O converter coupled to the RF de-multiplexer and the at least one add-on RU; \n wherein the RU frontend interface is configured to:\n receive a downlink multiplexed optical signal over the downlink optical fiber; \n convert the downlink multiplexed optical signal into a downlink multiplexed RF signal; \n de-multiplex the downlink multiplexed RF signal and generate the at least one existing downlink electrical RF communications signal and the at least one add-on downlink electrical RF communications signal; \n convert the at least one existing downlink electrical RF communications signal into the at least one existing downlink optical RF communications signal; and \n convert the at least one add-on downlink electrical RF communications signal into the at least one add-on downlink optical RF communications signal.

Metadata:
- Claim Count in Document: 4.0
- Percentile: 100.0
- Lexical Diversity: 2.07407
- Patent Class: 398.0
- Transitional Phrase Type: open
- Component Type: 1
- Foreign Priority: False
- Related Applications: ['15436972', '14496507', '16052073', '15427119', '14855896']

Analysis Scores:
- 35 USC 101 Eligibility (BERT): 0.7281872700236722
- 35 USC 102 Novelty (BERT): 0.6886608435510004
- Combined Prediction Score: 0.724234627376405
- Mean Citation Score: 400.870284
- Max Citation Score: 708.6893299999997
- Similarity Product: 660.0093740476791

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