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    • 21. 发明授权
    • Transmit power control of channels transmitted in different frequency regions
    • 在不同频率区域发射的信道发射功率控制
    • US08688165B2
    • 2014-04-01
    • US13376896
    • 2010-06-10
    • Anders WallénBengt LindoffChristian Bergljung
    • Anders WallénBengt LindoffChristian Bergljung
    • H04W52/04
    • H04W52/16H04W52/54H04W52/545
    • A mobile terminal transmits one or more first communication channels in a first frequency region and one or more second communication channels in a second frequency region. With the channels experiencing different fading conditions, the terminal receives separate transmit power control (TPC) commands. Instead of simply adjusting the transmit power of the channels as commanded, the terminal computes a power offset indicative of the difference between the commanded power of one or more of the first channels and the commanded power of one or more of the second channels. The terminal then selectively performs transmit power control of the first and second channels on either an independent basis, according to the respective TPC commands, or a joint basis, depending on whether the computed power offset falls outside of a pre-determined range of values. In doing so, the terminal allows independent control of channels, while also mitigating self-interference and/or spectral emissions.
    • 移动终端在第二频率区域中的第一频率区域和一个或多个第二通信信道中发送一个或多个第一通信信道。 通道经历不同的衰落条件时,终端接收单独的发射功率控制(TPC)命令。 代替简单地按照命令调整信道的发射功率,终端计算表示一个或多个第一信道的命令功率与一个或多个第二信道的命令功率之间的差的功率偏移。 然后,根据所计算的功率偏移是否超出预定值的范围,终端根据相应的TPC命令或联合基础,独立地选择性地执行第一和第二信道的发射功率控制。 在这样做时,终端允许信道的独立控制,同时也减轻自身干扰和/或频谱发射。
    • 25. 发明申请
    • Timing of Uplink Transmissions in a Multi-Carrier Communication System
    • 多载波通信系统上行链路传输的时序
    • US20110243111A1
    • 2011-10-06
    • US12869693
    • 2010-08-26
    • Niklas AndgartChristian BergljungMatthias KamufBengt LindoffAnders Wallén
    • Niklas AndgartChristian BergljungMatthias KamufBengt LindoffAnders Wallén
    • H04W4/00
    • H04W56/0045H04L5/001H04W72/12
    • A terminal with transmitter and receiver operates in a multi-carrier communication system and receives at least two downlink carriers. One or more timing advance commands are received, each associated with a group of one or more uplink carriers, each group being associated with one or more of the received downlink carriers. For each downlink carrier associated with one of the groups of uplink carriers, one is selected as a reference downlink carrier; the reference downlink carrier timing is ascertained; and a transmission time period is ascertained based on the timing of the downlink reference carrier and an offset specified by the timing advance command associated with the group of uplink carriers. The transmission time period comprises a start time and a stop time. Transmission is initiated at an earliest transmission start time of the ascertained transmission time periods and is ceased at a latest ascertained stop time.
    • 具有发射机和接收机的终端在多载波通信系统中操作并且接收至少两个下行链路载波。 接收一个或多个定时提前命令,每个定时提前命令与一个或多个上行链路载波的组相关联,每个组与所接收的下行链路载波中的一个或多个相关联。 对于与上行链路载波组中的一个相关联的每个下行链路载波,选择一个作为参考下行链路载波; 确定参考下行链路载波定时; 并且基于下行链路参考载波的定时和由与上行链路载波组相关联的定时提前命令指定的偏移来确定传输时间段。 传输时间段包括开始时间和停止时间。 传输在所确定的传输时间段的最早的传输开始时间开始,并且在最后确定的停止时间停止。
    • 28. 发明申请
    • Method and a First Radio Communication Node for Scheduling a Data Transmission
    • 方法和用于调度数据传输的第一无线电通信节点
    • US20140105149A1
    • 2014-04-17
    • US14116955
    • 2012-05-14
    • Bengt LindoffChristian BergljungLeif Wilhelmsson
    • Bengt LindoffChristian BergljungLeif Wilhelmsson
    • H04L1/00H04W72/12
    • H04L1/0003H04J11/003H04L1/0009H04L1/0034H04L1/1867H04W24/10H04W72/12H04W72/1215H04W72/1226
    • A method in a first radio communication node (110, 310, 710, 1010) and a first radio communication node (110, 310, 710, 1010) for scheduling a data transmission in a first time frame using one of a plurality of modulation and coding schemes are provided. The data transmission is to be transmitted between the first radio communication node (110, 310, 710, 1010) and a second radio communication node (120, 320, 720, 1020). The first radio communication node (110, 310, 710, 1010) obtains (301, 701, 1001, 1401) a first indication about channel quality for the first time frame. The first radio communication node (110, 310, 710, 1010) obtains (302, 702, 1002, 1402) second indication about a possible upcoming transmission failure. The possible upcoming transmission failure relates to a feedback information to be transmitted in a second time frame. The feedback information is associated with the data transmission in the first time frame. The first radio communication node (110, 310, 710, 1010) selects (303, 703, 1003, 1403) a modulation and coding scheme out of said plurality of modulation and coding schemes based on the first indication and the second indication. Next, the first radio communication node (110, 310, 710, 1010) schedules (304, 704, 1004, 1404) the data transmission using the selected modulation and coding scheme.
    • 一种在第一无线电通信节点(110,310,710,1010)和第一无线电通信节点(110,310,710,1010)中的方法,用于使用多个调制中的一个来调度第一时间帧中的数据传输,以及 提供编码方案。 数据传输将在第一无线电通信节点(110,310,710,1010)和第二无线电通信节点(120,320,720,1020)之间传输。 第一无线电通信节点(110,310,710,1010)获得关于第一时间帧的信道质量的第一指示(301,701,1001,1401)。 第一无线电通信节点(110,310,710,1010)获得关于可能的即将到来的传输故障的第二指示(302,702,1002,1402)。 可能的即将到来的传输故障涉及要在第二时间帧中发送的反馈信息。 反馈信息与第一时间帧中的数据传输相关联。 基于第一指示和第二指示,第一无线电通信节点(110,310,710,1010)从所述多个调制和编码方案中选择(303,703,1003,1403)调制和编码方案。 接下来,第一无线电通信节点(110,310,710,1010)使用所选择的调制和编码方案来调度(304,704,1004,1404)数据传输。