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    • 7. 发明申请
    • Preamble miss detection in transmission of multi-slot packets
    • 在多时隙分组传输中的前导码错误检测
    • US20060109810A1
    • 2006-05-25
    • US10997271
    • 2004-11-24
    • Jean AuRashid AttarNaga Bhushan
    • Jean AuRashid AttarNaga Bhushan
    • H04Q7/00
    • H04L1/1819
    • A communication system (100) transmits data packets from a sender (120A) to a receiver (130A) using hybrid automatic repeat request processes. The sender redundantly encodes each packet, divides the packet into subpackets, and sends the subpackets to the receiver in a time-interlaced manner. When the receiver returns a positive acknowledgement of a subpacket using an acknowledgement channel, the sender terminates transmission of the subpackets. The sender interprets the signals on the acknowledgement channel using a metric resulting from correlation of the signals with positive and negative acknowledgement symbols. The sender interprets low correlation of the acknowledgement channel signal with both positive and negative acknowledgement symbols as a preamble miss, and terminates transmission of the subpackets. After termination, the packet may be rescheduled for transmission. Early termination of packet transmission after a preamble miss improves bandwidth utilization and decreases latency of the packet with the missed preamble.
    • 通信系统(100)使用混合自动重复请求过程将数据分组从发送器(120A)发送到接收机(130A)。 发送方对每个数据包进行冗余编码,将数据包划分为子数据包,并以时间间隔方式将子数据包发送给接收方。 当接收方使用确认信道返回子包的肯定确认时,发送方终止子数据包的传输。 发送者使用由信号与正和负确认符号的相关产生的度量来确认确认信道上的信号。 发送方解释确认信道信号与正和负确认符号的低相关性作为前导码缺失,并终止子分组的传输。 终止之后,可以重新安排分组以进行传输。 前导码丢失后的数据包传输的提前终止提高了带宽利用率并降低了丢失前导码的数据包的等待时间。
    • 9. 发明申请
    • METHOD AND APPARATUS FOR A CONTROL CHANNEL POWER ALLOCATION IN A COMMUNICATION SYSTEM
    • 用于通信系统中控制信道功率分配的方法和装置
    • US20070127407A1
    • 2007-06-07
    • US11670837
    • 2007-02-02
    • Rashid AttarNaga BhushanMingxi Fan
    • Rashid AttarNaga BhushanMingxi Fan
    • H04B7/185
    • H04W52/34H04L1/1692H04W52/24H04W52/325H04W52/40
    • An apparatus and a method for a control channel power allocation in a communication system are disclosed. The method of control channel power allocation in an embodiment includes sorting a plurality of access terminals in an order of increasing required medium access control (MAC) channel power into a plurality of bins, sorting the access terminals with equal required MAC channel power in an order of decreasing forward link signal to interference and noise ratio (FL_SINR) if two or more access terminals have equal required MAC channel power, and determining total available ARQ power based upon total MAC channel power, total power allocated to reverse power control (RPC) channels, and total power allocated to reverse activity bit (RAB) channels.
    • 公开了一种用于通信系统中的控制信道功率分配的装置和方法。 一个实施例中的控制信道功率分配的方法包括按照将所需的媒体接入控制(MAC)信道功率增加到多个小区中的顺序对多个接入终端进行排序,按照相同的所需MAC信道功率对接入终端进行排序 如果两个或多个接入终端具有相等的所需MAC信道功率,则基于总MAC信道功率,分配给反向功率控制(RPC)信道的总功率确定总可用ARQ功率,从而将前向链路信号降低到干扰和噪声比(FL_SINR) ,以及分配给反向活动位(RAB)通道的总功率。