Patent Yard Sign in
Expired Canadian patentCanada

Method and apparatus for using multiple modulation schemes for a single packet

CA 2590654 C · Owner: Khandekar, Aamod · Inventors: Khandekar, Aamod; Agrawal, Avneesh

CIPO record

Overview

Drawings and full text

Its claims, description and drawings are in the Canadian Patents Database.

Open the CIPO record

Abstract From the Canadian patent

Techniques for using multiple modulation schemes for a single packet are described. Each data packet is processed and transmitted in up to T blocks where T > 1. Multiple modulation schemes are used for the T blocks to achieve good performance. A transmitter encodes a data packet to generate code bits. The transmitter then forms a block of code bits with the code bits generated for the packet, determines the modulation scheme to use for the block (e.g. based on a mode/rate selected for the packet) maps the code bits for the , block based on the modulation scheme to obtain data symbols and processes and , transmits the block of data symbols to a receiver. The transmitter generates and …

Read the whole patent

Listed from its CIPO record in Patent Yard's archive of Canadian patents past their term. Its claims, description and drawings are in the CIPO record and on Google Patents, and the Claude kit works from them.

Why it's free to use

  • Filed December 21, 2005 and granted May 21, 2013. A Canadian patent filed from October 1, 1989 lasts 20 years from filing, so its term ended December 21, 2025.
  • Certificates of supplementary protection extend only drug patents, and it isn't classified as one.
  • We check Canadian rights only. A patent in its family in another country could still be in force: check its family on Google Patents.
FiledDecember 21, 2005
GrantedMay 21, 2013
Term endedDecember 21, 2025
Patent numberCA 2590654 C
Classification (IPC)—

Timeline

Timeline From CIPO dates

2006200820102012201420162018202020222024Application filedDec 21, 2005Patent grantedMay 21, 2013Term endedDec 21, 2025

Sources & verification

Everything on this page comes from the CIPO record linked above. Contains information licensed under the Open Government Licence – Canada.