Delaware Patent of the Month – April 2023
Wireless communication has become increasingly complex as the world transitions to advanced technologies like LTE, 5G, and Wi-Fi architectures. In densely populated areas, wireless signals have to traverse various physical barriers, like buildings, leading to signal degradation. ASSIA SPE, LLC – also known as Adaptive Spectrum and Signal Alignment – has developed an innovative solution to this problem by implementing a wireless and wireline architecture that allows channels to span physical barriers more efficiently.
The company develops innovative technologies used by telecommunications providers worldwide, using AI-driven solutions to speed up internet connections. This most recent patent is designed so that the wireline portion of the channel interfaces copper with “north” and “south” transceiver nodes that allow the signal to propagate through a physical structure on the wire itself, resulting in significantly less signal degradation compared to the signal having to traverse the physical structure wirelessly.
ASSIA’s solution is particularly relevant to LTE, 5G, and Wi-Fi deployments, which leverage multicarrier modulation methods deployed in earlier DSL networks. The synergy between DSL’s vectoring methods and LTE’s MIMO and MU-MIMO methods suggests the potential direct use of 5G baseband-modulation methods on copper lines, extended through frequency heterodyning at the customer’s premises for connection to/from desired end-devices. The use of existing wireless baseband MIMO and MU-MIMO systems leads to further improvement and may even increase the range and efficiency of mesh or multi-access-point wireless deployments.
The re-use of LTE-wireless or Wi-Fi-wireless MCS and MIMO methods on copper can lead to many improvements in cost, infrastructure leverage, and acceleration of 5G residential networks’ economically profitable deployment. There are more than 1 billion residential twisted-pair wireline connections globally that form an infrastructure basis that can facilitate 5G mini-tower deployment. With fiber-to-the-basement, wireline twisted pairs, or, in some cases, home-run single coax, are used within multiple dwelling units because those interior copper links to residential living units already exist. By contrast, in-building fiber-installation costs can be unacceptably high or may violate construction laws and need special permits.
ASSIA’s cloud-based management system targets more recent wider-frequency-band and multiple-input-multiple-output LTE and Wi-Fi transmission systems. The use of copper links to extend the range of wireless signals into buildings and other structures is a cost-effective solution for households and small companies. The copper links allow power delivery from either end of the wire to the other, eliminating the possible issue of no power at a cell site.
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