Patent ID: 8948288
Filing Date: 2015-02-03
Classification: H04L

Abstract:
1. A method for generating a Linear Dispersion Code (LDC) for use in a Multiple-Input Multiple-Output (MIMO) communication system in which M transmit antennas are used to transmit a codeword over T time slots, each codeword encoding Q constellation symbols, the method comprising: determining M, T and Q, wherein M, T and Q are real numbers; generating a first matrix having 2Q columns and a predefined number m of rows, each column comprising a plurality of elements and each element being a real number within a respective predefined range for the respective row; deriving a second matrix having 2Q columns and m rows from the first matrix such that the elements of one row of the second matrix are dependent upon the corresponding elements of a corresponding row of the first matrix, and upon M and T; deriving a set of 2Q LDC dispersion matrices, each 2Q LDC dispersion matrix comprising dimensions T×M, from the second matrix; encoding data with one of the 2Q LDC dispersion matrices; and transmitting the encoded data.