US Patent Application 17908188. IMPROVING PRECODING simplified abstract
Contents
IMPROVING PRECODING
Organization Name
Inventor(s)
Salah Eddine Hajri of Antony (FR)
William Hillery of Lafayette IN (US)
Filippo Tosato of Bures sur Yvette (FR)
Eugene Visotsky of Buffalo Grove IL (US)
Frederick Vook of Schaumburg IL (US)
Rana Ahmed Salem of Munich (DE)
Marco Maso of Issy les Moulineaux (FR)
IMPROVING PRECODING - A simplified explanation of the abstract
This abstract first appeared for US patent application 17908188 titled 'IMPROVING PRECODING
Simplified Explanation
The patent application describes a method used by a network node in a communication network to improve the transmission of signals between the network node and a user equipment.
- The network node receives an uplink reference signal from the user equipment.
- Based on the received uplink reference signal, the network node estimates delay information and spatial information about the communication channel between the user equipment and the network node.
- The network node applies both the delay information and spatial information in precoding, which is a technique used to enhance the quality of transmitted signals.
- The network node transmits at least one precoded downlink reference signal to the user equipment.
- The user equipment responds to the transmission by sending channel information back to the network node.
- The channel information indicates the non-zero coefficients of at least one channel transmission layer, providing insight into the characteristics of the communication channel.
Original Abstract Submitted
There is provided a method at a network node of a communication network, comprising: receiving an uplink reference signal from a user equipment; estimating, based on the received uplink reference signal, delay information regarding a delay profile of a communication channel between the user equipment and the network node and spatial information regarding the communication channel; applying both the delay information and the spatial information in precoding of at least one downlink reference signal; transmitting the at least one precoded downlink reference signal to the user equipment; and receiving, from the user equipment as a response to the transmission of the at least one precoded downlink reference signal, channel information, the channel information indicating at least non-zero coefficients of at least one channel transmission layer.
