Patent application number | Description | Published |
20120224652 | Method and Terminal for Channel State Information Feedback - The present invention discloses a method and terminal for feeding back channel status information, including: when the channel status information is fed back on the physical uplink control channel, code words contained in the used codebook C | 09-06-2012 |
20130202057 | METHOD AND SYSTEM FOR ACQUIRING CHANNEL INFORMATION - A method and system for acquiring channel information are disclosed in the present document, wherein the method includes: a base station and a User Equipment (UE) jointly saving a first codebook and at least a second codebook, and the first codebook being used for channel information quantization in various scenarios; the UE performing feedback of at least 2 Precoding Matrix Indicators (PMIs) to the base station, wherein, one PMI corresponds to one code word in the first codebook, all the other PMIs respectively correspond to different code words in a second codebook used currently, and all the code words corresponding to the fed back PMIs are used for representing channel information of one or multiple or all subbands; and after receiving the PMIs fed back from the UE, the base station finding corresponding code words from the first codebook and the second codebook used currently, and acquiring the channel information. | 08-08-2013 |
20130215857 | Method of Downlink Power Allocation - A method of downlink power allocation is provided in order to fully utilize the available power and to avoid imbalanced power in different symbols. The method comprising muting a cell's resource elements (REs) that correspond to locations of common reference signal (CRS) REs of an interfering cell, and allocating unused power of the muted REs to CRS REs or a Physical Downlink Shared Channel (PDSCH) data RE of the cell after the muting. | 08-22-2013 |
20130235811 | Method and System for Indicating Transmission Parameter - A method and system for indicating a transmission parameter are provided in the present invention. The method includes: when multi-user multi-input multi-output (MIMO) data are transmitted, using a newly-added indication signaling in a downlink control information format to indicate different joint encoded parameters when numbers of enabled transport blocks are different. Through adding new indication signaling in the present invention, different joint encoded parameters are indicated during the multi-user MIMO data transmission and the MIMO multi-user transmission based on the demodulation reference signal is supported. | 09-12-2013 |
20140010327 | METHOD AND SYSTEM FOR PRECODING OPEN LOOP SPATIAL MULTIPLEXING AND PRECODING INDICATION METHOD - The present document provides a precoding method and system for open loop spatial multiplexing and a precoding indication method. The method includes: in transmission resources, a base station precodes N-layer data to be sent by using | 01-09-2014 |
20150049733 | Control Signaling Transmission and Demodulation Method, System and Terminal - The present document discloses control signaling transmission and demodulation method, system and terminal. The control signaling transmission method includes: a base station transmitting control signaling using different transmission technologies on available transmission resources in the second control signaling transmission area in the same RB. With present document, by configuring a pilot frequency port and dividing the transmission resources in the second control signaling transmission area in the RB, the control signaling of a plurality of UEs using different transmission technologies can be transmitted on the available transmission resources in the same RB, thus fully utilizing the transmission resources in the RB, improving resource utilization rate, enhancing control signaling capacity, and supporting the control signaling of more users. | 02-19-2015 |
20150245380 | Device and Method for Processing Downlink Control Information - Disclosed are an apparatus and method for processing downlink control information, applicable to a base station and comprising a downlink control information generation module and a downlink control information transmission module, wherein, the downlink control information generation module is configured to generate a downlink control information format when data transmission is performed, wherein a field of the downlink control information format carries indication information for indicating to a terminal a port used for transmitting a data DMRS and a scrambling identity number corresponding to a pilot generation sequence; and the downlink control information transmission module is configured to transmit the downlink control information format to the terminal By indicating to a terminal a port used for transmitting a data DMRS and a scrambling identity number corresponding to a pilot generation sequence, the embodiments of the present invention solve the problem of interference between DMRSs used during multi-user data transmission. | 08-27-2015 |
20150295694 | Method and Terminal for Determining Channel State Information - A method and terminal for determining channel state information are disclosed. The method includes: a terminal receiving an aperiodic channel state information CSI request, determining a parameter X according to a capability of the terminal processing a CSI process and/or the number of CSI processes y configured currently, and updating up to X aperiodic CSI according to the parameter X; wherein the parameter X is: a total number of CSI processes or reports required to be updated by the terminal at the same moment in one or more aperiodic CSI requests. | 10-15-2015 |