Methods and apparatus for demodulation reference signals and synchronization signals in extension carrier of LTE advanced

BL Ng, YH Nam, J Zhang, JK Han - US Patent 9,060,321, 2015 - Google Patents
(54) METHODS AND APPARATUS FOR(2013.01); H04W 28/18 (2013.01); H04W
DEMODULATION REFERENCE SIGNALS 52/02 (2013.01); H04 W56/00 (2013.01); AND …

Cell ID and antenna port configurations for EPDCCH

P Gaal, W Chen, H Xu - US Patent 9,155,089, 2015 - Google Patents
A method of wireless communication is provided which includes determining a first cell
identification (ID) for scrambling a first reference signal of a first enhanced physical downlink …

Method and node for interference measurement via inter-cell cooperation

Y Zheng, YN Li, Y Sun - US Patent 9,838,189, 2017 - Google Patents
Disclosed are an inter-cell coordinated interference measurement method and node,
wherein, the method is applied to each node performing a coordinated interference …

Interference measurement method, network-side device and terminal device for improving the interference measurement effect and thus the demodulation …

Y Gong, Y Sun, J Zhang - US Patent 9,923,649, 2018 - Google Patents
An interference measurement method, a network side device and a terminal device are
disclosed. The interference measurement method includes: a network side sending …

Interference cancellation/suppression in TDD wireless communications systems

W Chen, T Luo, H Xu, P Gaal, T Yoo, Y Wei… - US Patent …, 2018 - Google Patents
A wireless user equipment (UE) may receive a downlink transmission from a base station in
a first subframe of a first subframe configuration, and determine that a neighboring base …

Virtual cell management for interference suppression and interference cancellation in LTE

W Chen, T Luo, P Gaal, H Xu, T Yoo… - US Patent …, 2016 - Google Patents
In some aspects, a method for performing wireless communication includes configuring a set
of virtual cells for user equipments (UEs). One or more virtual cells of the set is associated …

Discovery signal design

H Koorapaty, G Jöngren, D Larsson - US Patent 9,935,807, 2018 - Google Patents
Abstract Systems and methods relating to transmitting and using multiple Channel State
Information Reference Signals (CSI-RSs) for different purposes are disclosed. In some …

Coordinated multipoint (CoMP) and network assisted interference suppression/cancellation

W Chen, T Luo, S Geirhofer, P Gaal, H Xu - US Patent 10,263,741, 2019 - Google Patents
(57) ABSTRACT A method of wireless communications identifies a first virtual cell identity.
The method also includes determining one or more virtual cells based on the identified first …

Interference measurement methods for advanced receiver in LTE/LTE-A

V Pourahmadi, H Xu, SD Muruganathan, Y Jia… - US Patent …, 2018 - Google Patents
A method for receiving a PDCH is provided. The method comprises: receiving, by a UE,
information identifying a plurality of resource elements that are transmitted with zero power …

Apparatus and method in wireless communication system using multi-user superposition transmission

J Chen, X Guo, C Sun - US Patent 10,205,501, 2019 - Google Patents
Aspects of the disclosure include an apparatus at base station side in a wireless
communication system for multi-user superposition transmission. The apparatus includes a …