American Patents LLC

U.S. Patent No. 7,088,782


This prior art search report presents the mappings of the various elements of claim 1 of U.S. Patent No. 7,088,782 (‘782 Patent), titled “Time and frequency synchronization in multi-input, multi-output (MIMO) systems”, from assignee American Patents LLC, published on 8 August 2006.

The patent discloses an apparatus for synchronizing data in a Multi-Input, Multi-Output (MIMO) Orthogonal Frequency Division Multiplexing (OFDM) communication system. Data is being transmitted from any number of transmitting antennas and received by any number of receiving antennas. Apparatus is also composed of demodulators with synchronization circuit to synchronize the data both in time domain and frequency domain. The synchronization circuit is composed of a first portion, where each circuit is exclusively used by each demodulator, and a second portion, where the circuit is shared by all the demodulators.

This preliminary search report includes the following:

  • References found from the preliminary search
  • Claims mapping chart
  • Copies of the selected references with highlighted excerpts
  • Search strategies used in conducting the prior art search


This ParolaPRIME™ report is not legal advice. The suggested correspondences between the features disclosed in the patent-at-issue and those disclosed in each reference reflect what Parola Analytics believes are technical similarities between those respective sets of features. Parola Analytics makes no representation concerning any legal status or effect that may arise from documents mentioned in this report, such as the validity of any apparent priority date or the assertability of any document as prior art against a patent. You should independently obtain legal counsel before attempting to rely on any portion of this report in a legal proceeding.

The references presented in this report are only preliminary and do not represent results from an exhaustive search. For the full report, request a quote.

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