METHODS AND SYSTEMS FOR DETERMINING CROSSTALK FOR A JOINING LINE IN A VECTORED SYSTEM

摘要

At least one example embodiment discloses a method of determining crosstalk for a joining line in a communication system having a plurality of current active lines. The method includes obtaining a number of disturber lines among the plurality of current active lines, the number of disturber lines being less than a number of the plurality of current active lines, obtaining a pilot matrix, a first dimension of the pilot matrix being based on the number of disturber lines, the pilot matrix representing a sequence of pilots to be transmitted across the plurality of current active lines and the joining line, the first dimension being a number of time instances, the number of time instances being less than the number of the plurality of active lines and determining a crosstalk coupling vector for the joining line based on the pilot matrix.

主权项

1. A method of determining crosstalk for a joining line in a communication system having a plurality of current active lines, the method comprising:
obtaining a number of disturber lines among the plurality of current active lines, the number of disturber lines being less than a number of the plurality of current active lines; obtaining a pilot matrix, a first dimension of the pilot matrix being based on the number of disturber lines, the pilot matrix representing a sequence of pilots to be transmitted across the plurality of current active lines and the joining line, the first dimension being a number of time instances, the number of time instances being less than the number of the plurality of active lines; transmitting pilot signals across the plurality of current active lines and the joining line in accordance with the sequence of pilots; determining feedback from the pilot signals for the joining line for the number of time instances; and determining a crosstalk coupling vector for the joining line based on the feedback and the pilot matrix.