US 10103845

Here's a concise summary of US Patent 10,103,845:

US Patent 10,103,845: Dual Mode Communication Systems and Methods

• Title: Dual mode communication systems and methods
• Assignee: Intellectual Ventures I LLC
• Inventors: Mark A Webster, Michael J Seals
• Filing Date: September 27, 2012
• Issue Date: October 16, 2018
• Abstract: Embodiments of dual mode communication systems and methods are disclosed. One system embodiment, among others, comprises logic configured to perform spatial multiplexing and expanded bandwidth signaling to data.

Plain-Language Overview of Independent Claims:

• Claim 1 (Method of Transceiver Operation - Transmission): This claim describes a method for a transceiver to operate in two modes.

  • In a first mode (spatial multiplexing), the transceiver's transmitters generate and send separate data streams (first mode transmit symbols) from different antennas. All these transmissions use the same range of frequencies.
  • In a second mode (spatial multiplexing and bandwidth expansion), the transmitters also generate separate data streams (second mode transmit symbols). However, in this mode, data from a first set of antennas is transmitted over a first range of frequencies, and data from a second set of antennas is transmitted over a second, distinct range of frequencies. These two frequency ranges do not overlap.

• Claim 7 (Method of Transceiver Operation - Reception): This claim outlines a method for a transceiver to receive signals in two modes, mirroring the transmission aspects of Claim 1.

  • In the first mode (spatial multiplexing), the transceiver's receivers get separate data streams (first mode symbols) via different antennas, all operating on the same range of frequencies.
  • In the second mode (spatial multiplexing and bandwidth expansion), the receivers receive separate data streams (second mode symbols) with some receivers operating on a first range of frequencies and other receivers operating on a second, non-overlapping range of frequencies.

• Claim 11 (Article of Manufacture - Transmission): This claim covers a computer-readable medium (like a memory chip) storing instructions. When a computing device executes these instructions, it performs the transmission method described in Claim 1.

• Claim 18 (Article of Manufacture - Reception at Mobile Station): Similar to Claim 11, this claim covers a computer-readable medium with instructions. When executed by a computing device, these instructions cause the device to perform the reception method described in Claim 7, specifically at a mobile station.

Uncertainty Regarding CAFC Dockets:
As of April 26, 2026, a search of CAFC 2026 dockets for patent US10103845 did not return any specific cases directly referencing this patent number. While Google Patents indicates a PTAB case IPR2025-01510 was filed but not instituted, and a US case (4:25-cv-00576) was filed in the Texas Eastern District Court, there is no authoritative information from the provided search results confirming any appeals of these matters or new litigation specifically related to US10103845 at the CAFC for 2026. The patent itself is listed as "Expired - Lifetime" with an expiration date of February 5, 2026.