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    • 2. 发明申请
    • DETERMINING CONFIGURATION OF SUBFRAMES IN A RADIO COMMUNICATIONS SYSTEM
    • 确定无线电通信系统中子帧的配置
    • WO2012064244A1
    • 2012-05-18
    • PCT/SE2010/051305
    • 2010-11-26
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)PARKVALL, StefanASTELY, DavidSUSITAIVAL, Riikka
    • PARKVALL, StefanASTELY, DavidSUSITAIVAL, Riikka
    • H04W72/04
    • H04B7/2656H04W72/0446
    • The technology disclosed provides the ability for a subframe to be configured as a "flexible" subframe. As a result, at least three different types of sub frames in a TDD system may be configured: a downlink ("DL") subframe, an uplink ("UL") subframe, and a "flexible" subframe. The use of flexible subframes is determined based on a primary TDD configuration, and in a preferred example, on the existing primary TDD configuration in the network. If there is secondary TDD configuration, flexible subframes may be determined based on both the primary and secondary configurations, e.g., using specific rules. Also, the HARQ feedback timing for downlink (DL) transmissions may be determined based on the secondary TDD configuration. Preferred examples ensure that uplink (UL) feedback does not collide with a flexible subframe used for DL transmission. The technology preferably is compatible with legacy UEs.
    • 所公开的技术提供了将子帧配置为“灵活”子帧的能力。 结果,TDD系统中的至少三种不同类型的子帧可以被配置为:下行链路(“DL”)子帧,上行链路(“UL”)子帧和“灵活”子帧。 基于主TDD配置,并且在优选示例中,基于网络中的现有主TDD配置来确定灵活子帧的使用。 如果存在辅助TDD配置,则可以基于主配置​​和辅助配置来确定灵活子帧,例如使用特定规则。 此外,可以基于辅助TDD配置来确定用于下行链路(DL)传输的HARQ反馈定时。 优选示例确保上行链路(UL)反馈不与用于DL传输的灵活子帧冲突。 该技术优选地与传统UE兼容。
    • 6. 发明申请
    • RADIO BASE STATION AND USER EQUIPMENT AND METHODS THEREIN
    • 无线基站和用户设备及其方法
    • WO2011087448A1
    • 2011-07-21
    • PCT/SE2011/050052
    • 2011-01-18
    • TELEFONAKTIEBOLAGET LM ERICSSON (publ)BALDEMAIR, RobertASTELY, DavidGERSTENBERGER, DirkLARSSON, DanielPARKVALL, Stefan
    • BALDEMAIR, RobertASTELY, DavidGERSTENBERGER, DirkLARSSON, DanielPARKVALL, Stefan
    • H04L5/00H04B1/69
    • H04W72/0413H04J11/0033H04J11/005H04L5/0019H04L5/0053
    • Embodiments herein relate to a method in a user equipment (10) for transmitting uplink control information in time slots in a subframe over a radio channel to a radio base station. The radio channel is arranged to carry uplink control information and the user equipment and radio base station are comprised in a radio communications network. The uplink control information is comprised in a block of bits. The user equipment maps the block of bits to a sequence of complex valued modulation symbols. The user equipment also block spreads the sequence of complex valued modulation symbols across Discrete Fourier Transform Spread - Orthogonal Frequency Division Multiplexing (DFTS-OFDM) symbols. This is performed by applying a spreading sequence to the sequence of complex valued modulation symbols, to achieve a block spread sequence of complex valued modulation symbols. The user equipment further transforms the block-spread sequence of complex valued modulation symbols per DFTS-OFDM symbol. This is performed by applying a matrix that depends on a DFTS- OFDM symbol index and/or slot index to the block-spread sequence of complex valued modulation symbols. The user equipment also transmits the block spread sequence of complex valued modulation symbols that has been transformed over the radio channel to the radio base station.
    • 本文的实施例涉及用于在无线电信道中的子帧中的时隙中向无线电基站发送上行链路控制信息的用户设备(10)中的方法。 无线电信道被布置为携带上行链路控制信息,并且用户设备和无线电基站包括在无线电通信网络中。 上行链路控制信息包含在比特块中。 用户设备将比特块映射到复值调制符号序列。 用户设备还在离散傅里叶变换扩频 - 正交频分复用(DFTS-OFDM)符号之间块扩展复值调制符号的序列。 这通过将扩展序列应用于复值调制符号序列来实现,以实现复值调制符号的块扩展序列。 用户设备进一步转换每个DFTS-OFDM符号的复值调制符号的块扩展序列。 这通过将复数值调制符号的块扩展序列应用到依赖于DFTS-OFDM符号索引和/或时隙索引的矩阵来执行。 用户设备还将已经通过无线电信道变换的复值调制符号的块扩展序列发送到无线电基站。
    • 8. 发明申请
    • METHOD AND APPARATUS IN A TELECOMMUNICATIONS NETWORK
    • 电信网络中的方法和设备
    • WO2009154540A1
    • 2009-12-23
    • PCT/SE2009/050083
    • 2009-01-28
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)PARKVALL, StefanTORSNER, JohanMEYER, MichaelSÅGFORS, MatsBALDEMAIR, RobertASTELY, DavidWIEMANN, Henning
    • PARKVALL, StefanTORSNER, JohanMEYER, MichaelSÅGFORS, MatsBALDEMAIR, RobertASTELY, DavidWIEMANN, Henning
    • H04L1/16H04L5/00
    • H04L1/1635H04L5/0053H04L5/0094
    • According to the present invention, a receiving node of a telecommunications network (20) (e.g. a radio base station (22) in uplink, or a mobile terminal (24) in downlink) transmits a single acknowledgement message to a transmitting node (e.g. a mobile terminal (24) in uplink, or a radio base station (22) in downlink) in respect of signals received over a plurality of frequency-aggregated carriers (component carriers) (10) between the transmitting and receiving nodes. If all signals are decoded correctly in the receiving node, a positive acknowledgement message (ACK) is sent to the transmitting node; if not all signals are decoded correctly, a negative acknowledgement message (NACK) is sent, or no acknowledgement message is sent. In this way, a single acknowledgement message can be sent for signals received over multiple carriers. The acknowledgement message can have the same format as legacy standards (for example, as specified in Release 8 of the 3GPP specifications), providing compatibility with existing equipment. The number of messages is also reduced compared with the straightforward approach of transmitting individual acknowledgement messages per component carrier.
    • 根据本发明,电信网络(20)(例如,上行链路中的无线电基站(22)或下行链路中的移动终端(24))的接收节点向发送节点(例如, 关于在发送节点和接收节点之间的多个频率聚合载波(分量载波)(10)上接收的信号,上行链路中的移动终端(24)或下行链路中的无线电基站(22)。 如果所有信号在接收节点中被正确地解码,则肯定确认消息(ACK)被发送到发送节点; 如果不是全部信号被正确地解码,则发送否定确认消息(NACK),或者不发送确认消息。 以这种方式,可以针对在多个载波上接收的信号发送单个确认消息。 确认消息可以具有与传统标准相同的格式(例如,如3GPP规范的版本8中所述),提供与现有设备的兼容性。 与每个分量载波发送各个确认消息的简单方法相比,消息的数量也减少了。