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    • 1. 发明授权
    • Method of implementing superposition coding for a forward link in a wireless communication system
    • 在无线通信系统中实现前向链路的叠加编码的方法
    • US08626177B2
    • 2014-01-07
    • US11750214
    • 2007-05-17
    • Young C. YoonShu WangSuk Woo Lee
    • Young C. YoonShu WangSuk Woo Lee
    • H04W72/00H04B7/00H04B7/02
    • H04W52/283H04L27/3488H04W52/242H04W52/267H04W52/54H04W72/085
    • A method of transmitting at least one data stream using superposition coding (SPC) in a wireless communication system is disclosed. More specifically, a method includes receiving feedback information from at least two access terminals (ATs), assigning the at least two ATs as a first AT or a second AT based on the feedback information, wherein the first AT has a smaller path loss than that of the second AT, and the second AT has a larger path loss than that of the first AT, channel coding the at least one inputted data stream by a channel coding scheme, modulating the at least one data stream using layered modulation scheme, allocating wireless resources to symbols of the first AT and the second AT, and transmitting the symbols to at least one of the first AT and the second AT according to the allocated wireless resources.
    • 公开了一种在无线通信系统中使用重叠编码(SPC)发送至少一个数据流的方法。 更具体地说,一种方法包括从至少两个接入终端(AT)接收反馈信息,基于反馈信息将至少两个AT分配为第一AT或第二AT,其中第一AT具有比那个更小的路径损耗 并且第二AT具有比第一AT更大的路径损耗,通过信道编码方案对至少一个输入数据流进行信道编码,使用分层调制方案调制至少一个数据流,分配无线 资源到第一AT和第二AT的符号,并且根据分配的无线资源将符号发送到第一AT和第二AT中的至少一个。
    • 4. 发明授权
    • Method of transmitting data in cellular networks using cooperative relaying
    • 使用协同中继在蜂窝网络中传输数据的方法
    • US07995512B2
    • 2011-08-09
    • US11536549
    • 2006-09-28
    • Sang Gook KimYoung C. YoonLi-Hsiang SunShu Wang
    • Sang Gook KimYoung C. YoonLi-Hsiang SunShu Wang
    • H04B7/14H04B3/36H04B1/60H04B17/02H04B7/00H04B15/00
    • H04L1/0631H04B7/0871H04B7/2606H04L1/0025H04L1/0038H04L1/0039H04L2001/0093H04W72/121H04W76/40H04W84/042H04W88/04
    • A method of transmitting data packets in a mobile communication system using at least one relay station (RS) and using at least two frequency carriers is disclosed. More specifically, the method comprises transmitting at least one subpacket of a first data packet to a mobile station (MS) on a first frequency carrier, and transmitting at least one subpacket of a second data packet to the MS via the at least one RS. Here, the at least one subpacket of second data packet from the at least one RS is transmitted on a second frequency carrier, a first subpacket of the first data packet and a first subpacket of the second data packet is transmitted via a main channel of the first frequency carrier and the main channel of the second frequency carrier, respectively, and at least one subsequent subpacket of the first data packet and at least one subsequent subpacket of the second data packet are transmitted via at least one assistant channel of the first frequency carrier and the at least one assistant channel of the second frequency carrier, respectively.
    • 公开了一种使用至少一个中继站(RS)在移动通信系统中发送数据分组并使用至少两个频率载波的方法。 更具体地,该方法包括:将第一数据分组的至少一个子分组发送到第一频率载波上的移动台(MS),以及经由至少一个RS将至少一个第二数据分组的子分组发送到MS。 这里,来自至少一个RS的第二数据分组的至少一个子分组在第二频率载波上发送,第一数据分组的第一子分组和第二数据分组的第一子分组经由主信道 第一频率载波和第二频率载波的主信道以及第一数据分组的至少一个后续子分组和第二数据分组的至少一个后续子分组经由第一频率载波的至少一个辅助信道 和第二频率载波的至少一个辅助信道。
    • 7. 发明授权
    • Secondary link power control in a wireless communication network
    • 无线通信网络中的二次链路功率控制
    • US07738901B2
    • 2010-06-15
    • US10788568
    • 2004-02-27
    • Shiau-He Shawn TsaiYoung C. YoonTao WuAnthony C. K. Soong
    • Shiau-He Shawn TsaiYoung C. YoonTao WuAnthony C. K. Soong
    • H04B7/00
    • H04W28/18H04W52/16H04W52/325H04W52/36H04W52/40
    • A communication transceiver transmits a power-controlled first signal responsive to received power control commands and transmits one or more additional signals at variable power gains relative to the transmit power of the first signal based on reception quality feedback received for the additional signals. Thus, a mobile station may transmit a traffic channel at a variable power gain relative to its pilot signal power and vary that gain responsive to reception quality feedback received by it for the traffic signal. Of course, the mobile station may float more than one traffic channel using variable gains and may use different variable gains for each one. Further, the mobile station may float one or more non-pilot channels relative to the pilot or relative to another channel, while transmitting one or more fixed gain channels. Similar variable power gain may be employed at network base stations for forward link signals.
    • 通信收发机响应于接收到的功率控制命令发送功率受控的第一信号,并基于为附加信号接收的接收质量反馈,以相对于第一信号的发射功率的可变功率增益发射一个或多个附加信号。 因此,移动台可以以相对于其导频信号功率的可变功率增益来发送业务信道,并响应于其为业务信号收到的接收质量反馈来改变该增益。 当然,移动台可以使用可变增益浮动多于一个业务信道,并且可以为每一个使用不同的可变增益。 此外,移动台可以在发送一个或多个固定增益信道的同时相对于导频或相对于另一个信道漂浮一个或多个非导频信道。 在网络基站可以采用类似的可变功率增益用于前向链路信号。
    • 10. 发明授权
    • Radio link management based on retransmission request performance
    • 基于重传请求性能的无线链路管理
    • US07469146B2
    • 2008-12-23
    • US10889554
    • 2004-07-12
    • Anthony C. K. SoongTao WuThawatt GopalYoung C. YoonShiau-He Shawn Tsai
    • Anthony C. K. SoongTao WuThawatt GopalYoung C. YoonShiau-He Shawn Tsai
    • H04Q7/20
    • H04W28/18H04L1/0625H04W52/16H04W52/325H04W52/36H04W52/40
    • A wireless communication network receives packet data transmissions from a mobile station, tracks the occurrence of retransmission requests sent to the mobile station responsive thereto, and modifies the radio link assignments for the mobile station based at least in part on said tracking. For example, a base station controller may be configured to manage the active set of a mobile station based on the number and/or frequency of NACK messages sent by the radio base stations in the mobile station's active set(s) responsive to packet data transmissions from the mobile station. The ACK/NACK response of a radio base station to mobile station transmissions may be used to detect link imbalance, identify poor reverse link channels, etc. The base station controller can add or change radio links based on the ACK/NACK response to improve reverse link performance, trigger voice call handoff, correct link imbalance, etc.
    • 无线通信网络从移动站接收分组数据传输,响应于此而跟踪发送到移动站的重传请求的发生,并且至少部分地基于所述跟踪修改移动台的无线电链路分配。 例如,基站控制器可以被配置为基于移动台的活动组中的无线电基站响应于分组数据传输发送的NACK消息的数量和/或频率来管理移动台的活动集合 从移动台。 无线电基站对移动台传输的ACK / NACK响应可用于检测链路不平衡,识别差的反向链路信道等。基站控制器可以基于ACK / NACK响应来添加或改变无线电链路以改善反向 链路性能,触发语音呼叫切换,链路不平衡等。