Patent application number | Description | Published |
20120127912 | Method, Apparatus, and System for Cooperative Scheduling Among Multiple Cells - A method of cooperation scheduling among multiple cells applied in a CoMP system is disclosed in the present invention, the method includes: a relay base station in a relay cell receiving the scheduling results of every cell in a cooperation set, wherein the relay cell is one of the cooperation cells in the cooperation set; the relay base station determining whether the scheduling results meets a preset iteration ending condition or not; and if the scheduling result does not meet the iteration ending condition, the relay base station sending rescheduling indication information which carries the scheduling result of every cooperation cell to the cooperation base station in every cooperation cell in the cooperation set, indicating to restart the scheduling of every cooperation cell according to the scheduling results. A base station and a cooperation scheduling system among multiple cells are disclosed in the present invention. | 05-24-2012 |
20120207199 | METHOD AND DEVICE FOR GENERATING AND MAPPING CHANNEL STATE INFORMATION REFERENCE SIGNAL SEQUENCE - The present invention provides a method and device for generating and mapping a Channel State Information Reference Signal (CSI-RS) sequence, and the method includes: generating a pseudo-random sequence according to a pseudo-random sequence initial value, performing a Quadrature Phase-Shift Keying (QPSK) modulation on the pseudo-random sequence, and obtaining a first CSI-RS sequence according to maximum bandwidth of system; and cutting the first CSI-RS sequence according to the actual bandwidth of the system, obtaining a second CSI-RS sequence, and mapping the second CSI-RS sequence to a time frequency location of a CSI-RS antenna port. The CSI-RS reference signal sequence can be generated or obtained respectively at the UE terminal and eNB terminal in accordance with the stated methods for generating and mapping the reference sequence according to known parameters by the present invention, so that the calculated CSI-RS sequence can be utilized to measure the channel at the UE terminal. | 08-16-2012 |
20130044728 | METHOD AND DEVICE FOR GENERATING AND MAPPING CHANNEL STATE INFORMATION REFERENCE SIGNAL SEQUENCE - The present invention provides a method and device for generating and mapping a Channel State Information Reference Signal (CSI-RS) sequence, and the method includes: generating a pseudo-random sequence according to a pseudo-random sequence initial value, performing a Quadrature Phase-Shift Keying (QPSK) modulation on the pseudo-random sequence, and obtaining a first CSI-RS sequence according to maximum bandwidth of system; and cutting the first CSI-RS sequence according to the actual bandwidth of the system, obtaining a second CSI-RS sequence, and mapping the second CSI-RS sequence to a time frequency location of a CSI-RS antenna port. The CSI-RS reference signal sequence can be generated or obtained respectively at the UE terminal and eNB terminal in accordance with the stated methods for generating and mapping the reference sequence according to known parameters by the present invention, so that the calculated CSI-RS sequence can be utilized to measure the channel at the UE terminal. | 02-21-2013 |
Patent application number | Description | Published |
20120140718 | Method and System for Sending Channel Measurement Pilot Frequency - A method and system for sending a channel measurement reference signal are provided, said method comprising: sending each port of the channel measurement reference signal in one subframe or two adjacent subframes during one sending period, and repeatedly sending each port of the channel measurement reference signal in full bandwidth with equal space in the unit of a predetermined composition unit. | 06-07-2012 |
20140018086 | Method and system for notification of scrambling code identification signalling group - Disclosed in the present disclosure is a method for notification of scrambling code identification signalling group, and the present disclosure comprises: a network side transmits a scrambling code identification signalling group to a receiver; the receiver generates a corresponding scrambling code sequence of a demodulation pilot according to the scrambling code identification signalling group, generates a pilot symbol sequence according to the scrambling code sequence of the demodulation pilot, and performs channel estimation according to the pilot symbol sequence. The present disclosure also provides a system for implementing the notification of scrambling code identification signalling group. According to the technical solution in the disclosure, the receiver can obtain, according to the scrambling code identification signalling group transmitted from the network side, the scrambling code sequence of the demodulation reference signal and/or demodulation pilot which is the same as that of the network side, and thus interference can be avoided. | 01-16-2014 |
20140369293 | Method and Device for Processing and Indicating Downlink Data - Disclosed are a method and device for processing and indicating downlink data. The method for processing the downlink data includes: a user equipment (UE) receiving multiple sets of resource indication information configured for the UE by a base station and transmitted by the base station via a high-layer signaling; the UE receiving a subframe transmitted by the base station, acquiring downlink grant indication information in the subframe; the UE selecting from the multiple sets of resource indication information the resource indication information matching the downlink grant indication information, wherein the resource indication information is used for indicating a resource location having interference present, or, the resource location having interference present and interference information corresponding to the resource location; and the UE processing on the resource location the interference of the downlink data transmitted to the UE. The disclosure allows the implementation of coordinated transmission (including: joint transmission, joint scheduling, joint beamforming, and dynamic node selection) among different nodes to one UE, thus achieving the effects of reduction in resource wastage, and prevention of interference to data demodulation from a control domain or a pilot frequency. | 12-18-2014 |
20150139105 | Method and device for performing interference measurement on interference measurement resources - A method and device for performing interference measurement on interference measurement resources are disclosed, in which a base station side transmits N sets of interference measurement resources on a non-full bandwidth or a full bandwidth, and transmits a location indication signaling of each set of the interference measurement resources to a terminal side; the terminal side determines a location of each set of the interference measurement resources according to the location indication signaling of each set of interference measurement resources, and performs interference measurement on each set of interference measurement resources in accordance with the non-full bandwidth or the full bandwidth; through a technical scheme of the disclosure, the interference measurement can be implemented on different interference measurement resources by employing time domain and frequency domain resource overheads and high layer signaling overheads as less as possible. | 05-21-2015 |
20150201340 | Methods and apparatuses for measuring pilot - A pilot measurement method is provided, which includes that a receiving end determines a port configuration for pilot measurement, and the receiving end receives a pilot signal using the port configuration, and obtains channel information upon an estimate. Correspondingly, a receiving end for pilot measurement is also provided. Even though the number of antenna ports is sharply increased, a part of ports still can be selected as the ports for transmitting a pilot signal according to needs, the number of the ports for transmitting the pilot signal can be unlimited, and the pilot configuration problem under the condition of sharp increase in the number of the antenna ports can be solved. | 07-16-2015 |
20160043842 | Method and Device for Spectrum Comb Signaling Notification and for Sounding Reference Signal Transmission - Disclosed are a spectrum comb signaling notification and sounding reference signal transmission method and device, wherein the spectrum comb signaling notification method includes: a network side configuring and notifying a receiving side of a two-layer comb spectrum signaling, including a first spectrum comb signaling and a second spectrum comb signaling, wherein the two-layer comb spectrum signaling indicates sub-carrier positions of transmitting the sounding reference signals to the receiving side. | 02-11-2016 |