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Patent

Selecting antennas in downlink cooperative scheduling

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TLDR
In this paper, a method for obtaining a set of selected antennas in a mobile communication network, wherein each one of the selected antennas is intended to be used in data transmissions to a first mobile communication terminal is presented.
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Patent

Establishing usefulness of remote antenna units in a wireless communications system

TL;DR: In this article, a method for determining the usefulness of remote units in a wireless communication system is presented. But the method is performed in a distributed antenna system (DAS) and is not suitable for wireless networks.
Patent

Methods and devices for transmit beamsweeping with payload data

TL;DR: In this article, a wireless device includes a radio frequency transceiver, an antenna array, and one or more processors configured to transmit and receive signals with the radiofrequency transceiver and the antenna array.
Patent

Method for controlling C-RAN

TL;DR: In this article, a method for controlling C-RANs with a plurality of remote radio heads and a baseband unit (BBU) is proposed, which includes the following steps: collecting a first uplink signal corresponding to a first user end device, determining a first estimated region based on a communication range of part of the remote radio head's receiving the first UL signal, setting estimated coordinates in the estimated region wherein N is larger than one, giving N moving directions to the estimated coordinates, modifying the N estimated coordinates based on the maximum displacement and the n moving directions,
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Patent

Method and apparatus for a RADSL transceiver warm start activation procedure with precoding

TL;DR: In this paper, the state of component coefficients are saved in memory of a DSL device so that at a later time, the DSL device may initiate a warm start activation sequence wherein the last known channel parameters are used to train the equalizer.
Patent

Methods and apparatus of providing transmit and/or receive diversity with multiple antennas in wireless communication systems

TL;DR: In this article, a single transmitter chain within a wireless terminal is coupled over time to a plurality of transmit antennas, where the switching decisions are based upon predetermined information, dwell information, and/or channel condition feedback information.
Patent

Multi point wireless transmission repeater system and wireless equipments

TL;DR: In this paper, a communication system having an excellent communication path capacity characteristic even in an insight transmission environment in which a transmitter and a receiver can see each other directly in an MIMO communication system and a wireless communication device for the communication system, including a wireless device having a transmitter for distributing transmission data including encoded data and a training signal to a plurality of antennas, and transmitting the data as radio signals from the plurality of antenna at a predetermined timing.
Patent

Method and apparatus for enabling channel and interference estimations in macro/rrh system

TL;DR: In this article, the channel and interference estimations in a coordinated multi-point (CoMP) environment were investigated, where an eNB may be equipped to signal an identifier indicating a plurality of resource patterns, each associated with a resource pattern group, and each including a first resource element pattern for channel estimation and a second resource element patterns for interference estimation.
Patent

System and Method for Multi-Cell Access

TL;DR: In this article, a system and method for multi-cell access is described, which includes transmitting at least one control channel to a communications device and receiving from the communications device based on control information transmitted to the communication device.