摘要:
The disclosure provides a method and device for determining Channel quality indication information, which is configured to perform channel measurement based on a reference signal, so as to obtain a CQI information. The method considers the influence of multiple factors on CQI calculation, including selection of a measurement reference signal as well as the influence of multiple complex conditions on CQI calculation, thereby solving the problem that an existing system is unable to obtain accurate Channel quality indication information when using a transmission mode 9, and enhancing the flexibility and performance of the system.
摘要:
The disclosure provides a method and device for determining Channel quality indication information, which is configured to perform channel measurement based on a reference signal, so as to obtain a CQI information. The method considers the influence of multiple factors on CQI calculation, including selection of a measurement reference signal as well as the influence of multiple complex conditions on CQI calculation, thereby solving the problem that an existing system is unable to obtain accurate Channel quality indication information when using a transmission mode 9, and enhancing the flexibility and performance of the system.
摘要:
The present document provides a method for feeding back channel state information and a user equipment. The method includes: a user equipment determining a second parameter y of a feedback mode according to the number of Channel-State Information-reference signals (CSI-RS) ports configured by a high layer signaling or according to the number of CSI-RS ports and indication information indicating whether to feed back a pre-coding matrix indicator (PMI) and rank indicator (RI); the user equipment determining the feedback mode according to a transmission mode configured by the high layer signaling, a first parameter x of the feedback mode and the second parameter y of the feedback mode; and the user equipment feeding back the channel state information according to the determined feedback mode. The present document improves the system flexibility and performance and reduces the feedback overhead.
摘要:
The present document provides a method for feeding back channel state information and a user equipment. The method includes: a user equipment determining a second parameter y of a feedback mode according to the number of Channel-State Information-reference signals (CSI-RS) ports configured by a high layer signaling or according to the number of CSI-RS ports and indication information indicating whether to feed back a pre-coding matrix indicator (PMI) and rank indicator (RI); the user equipment determining the feedback mode according to a transmission mode configured by the high layer signaling, a first parameter x of the feedback mode and the second parameter y of the feedback mode; and the user equipment feeding back the channel state information according to the determined feedback mode. The present document improves the system flexibility and performance and reduces the feedback overhead.
摘要:
A method for transmitting and receiving a control channel, a base station and a terminal relate to a long term evolution advanced system. The method for transmitting a control channel disclosed by the present document includes: a base station side configuring, for a terminal side, detection-limited subframe cluster information of a control channel, so as to notify the terminal side of the manner by which the base station side transmits the control channel. The present document also discloses a method for receiving a control channel, a base station and a terminal.
摘要:
A method for transmitting and receiving a control channel, a base station and a terminal relate to a long term evolution advanced system. The method for transmitting a control channel disclosed by the present document includes: a base station side configuring, for a terminal side, detection-limited subframe cluster information of a control channel, so as to notify the terminal side of the manner by which the base station side transmits the control channel. The present document also discloses a method for receiving a control channel, a base station and a terminal.
摘要:
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.
摘要:
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.
摘要:
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 w a = [ u a α · u a ] , wherein μa is a vector or matrix related to a transmission resource location i; α is a real number or a complex number related to the transmission resource location i; and N is an integer less than or equal to the number of base station transmission antennas. The present document can implement effective precoding in the case of open loop spatial multiplexing, and can also support the multiple antennas (such as 8 transmission antennas) application.
摘要翻译:本文提供了一种用于开环空间复用和预编码指示方法的预编码方法和系统。 该方法包括:在传输资源中,基站通过使用w a = [u aα·u a]来对N层数据进行预编码,其中mua是与传输资源位置i相关的向量或矩阵; alpha是与传输资源位置i相关的实数或复数; 并且N是小于或等于基站发射天线数量的整数。 本文档可以在开环空间复用的情况下实现有效的预编码,并且还可以支持多个天线(如8个发射天线)的应用。
摘要:
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 w a = [ u a a · u a ] , wherein ua is a vector or matrix related to a transmission resource location i; α is a real number or a complex number related to the transmission resource location i; and N is an integer less than or equal to the number of base station transmission antennas.
摘要翻译:本文提供了一种用于开环空间复用和预编码指示方法的预编码方法和系统。 该方法包括:在传输资源中,基站通过使用w a = [u a a·u a]对N层数据进行预编码,其中ua是与传输资源位置i相关的向量或矩阵; α是与传输资源位置i有关的实数或复数; 并且N是小于或等于基站发射天线数量的整数。