Back to results
US 2014/0211684 A1Published application
Method and system for channel feedback in wireless communications
AssigneeAlcatel Lucent
InventorsHao Liu, Hongwei Yang, Lu Wu
Life of this patent
Estimating the term…
Loading patent…
Loading patent…
AssigneeAlcatel Lucent
InventorsHao Liu, Hongwei Yang, Lu Wu
Estimating the term…
Embodiments of the present invention generally relate to a method and system of channel feedback in wireless communications. Specifically, according to embodiments of the present invention, there is provided a two-stage Co MP feedback mechanism, such that different types of channel feedback are transmitted in each stage. Specifically, during the first stage, information regarding long-term features and/or wideband features of a channel is fed back; while during the second stage, information regarding short-term features and/or narrow features of channel is fed back. The first stage and the second stage may be periodically repeated. The information fed back during the first and second stages are used to calculate feedback information characterizing a joint-channel feature. In this way, overheads associated with channel feedback may be effectively reduced. Corresponding methods and apparatuses are also disclosed.
A method of providing channel feedback from a user equipment in a wireless communication system using coordinated multi-point joint transmission, the method comprising:
A method of obtaining channel feedback at a base station in a wireless communication system using coordinated multi-point joint transmission, the method comprising:
(canceled)
An apparatus for providing channel feedback from a user equipment in a wireless communication system using coordinated multi-point joint transmission, the apparatus comprising:
-18. (canceled)
An apparatus for obtaining channel feedback at a base station in a wireless communication system using coordinated multi-point joint transmission, the apparatus comprising:
-24. (canceled)
Dependencies are inferred from the claim text.