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    • 2. 发明申请
    • Transport control method in wireless communication system
    • 无线通信系统中的传输控制方法
    • US20070133416A1
    • 2007-06-14
    • US11638783
    • 2006-12-14
    • Tae-In HyonSang-Boh YunHoon Kim
    • Tae-In HyonSang-Boh YunHoon Kim
    • H04J1/16H04J3/16
    • H04L47/12H04L1/1607H04L1/1867H04L47/10H04L47/14H04L47/193H04L47/2466H04W28/10H04W80/06
    • A transport control method in a transmitter of a wireless communication system, which includes a transport layer having a congestion control function of transmitting data in a segment basis and retransmitting a segment if an RTO timer expires before receipt of an ACK segment is received in response to transmission of the segment and a MAC layer for detecting receipt of an ACK segment through a wireless link and transporting the detected ACK segment to the transport layer, includes temporarily storing received ACK segments in the MAC layer; detecting an average transmission rate of data segments; and transporting the stored ACK segments to the transport layer at the average transmission rate. Accordingly, by controlling an upward transport rate of a received ACK message by referring to an RTO value of a TCP in a MAC layer, unnecessary retransmission can be prevented by a congestion control function.
    • 一种无线通信系统的发送器中的传输控制方法,其包括具有如下的传输层:具有在接收到ACK段之前RTO定时器到期时以段为单位发送数据的拥塞控制功能的传输层;响应于 该段的传输和用于检测通过无线链路接收ACK段的MAC层,并将检测到的ACK段传送到传输层,包括临时存储接收的ACK段在MAC层中; 检测数据段的平均传输速率; 并以平均传输速率将存储的ACK片段传送到传输层。 因此,通过参照MAC层中的TCP的RTO值来控制接收到的ACK消息的向上传输速率,可以通过拥塞控制功能来防止不必要的重传。
    • 3. 发明授权
    • Transport control method in wireless communication system
    • 无线通信系统中的传输控制方法
    • US08018846B2
    • 2011-09-13
    • US11638783
    • 2006-12-14
    • Tae-In HyonSang-Boh YunHoon Kim
    • Tae-In HyonSang-Boh YunHoon Kim
    • H04L12/26H04J3/16H04B7/00
    • H04L47/12H04L1/1607H04L1/1867H04L47/10H04L47/14H04L47/193H04L47/2466H04W28/10H04W80/06
    • A transport control method in a transmitter of a wireless communication system, which includes a transport layer having a congestion control function of transmitting data in a segment basis and retransmitting a segment if an RTO timer expires before receipt of an ACK segment is received in response to transmission of the segment and a MAC layer for detecting receipt of an ACK segment through a wireless link and transporting the detected ACK segment to the transport layer, includes temporarily storing received ACK segments in the MAC layer; detecting an average transmission rate of data segments; and transporting the stored ACK segments to the transport layer at the average transmission rate. Accordingly, by controlling an upward transport rate of a received ACK message by referring to an RTO value of a TCP in a MAC layer, unnecessary retransmission can be prevented by a congestion control function.
    • 一种无线通信系统的发送器中的传输控制方法,其包括具有如下传输层的传输层,所述传输层具有在接收到ACK片段之前如果在RTO定时器到期之前以段为基础传输数据并重传片段,则响应于 该段的传输和用于检测通过无线链路接收ACK段的MAC层,并将检测到的ACK段传送到传输层,包括临时存储接收的ACK段在MAC层中; 检测数据段的平均传输速率; 并以平均传输速率将存储的ACK片段传送到传输层。 因此,通过参照MAC层中的TCP的RTO值来控制接收到的ACK消息的向上传输速率,可以通过拥塞控制功能来防止不必要的重传。
    • 7. 发明申请
    • System and method for proportionally fair scheduling
    • 按比例公平调度的系统和方法
    • US20060285522A1
    • 2006-12-21
    • US11437143
    • 2006-05-19
    • Hoon KimSeung-Young ParkSang-Boh Yun
    • Hoon KimSeung-Young ParkSang-Boh Yun
    • H04Q7/00
    • H04L47/14H04L47/50H04L47/522H04L47/626H04W72/1231H04W72/1284
    • A system and a method for proportionally fairscheduling is provided for efficiently exchanging information between a base station and a mobile station in a wireless communication system. The system includes a base station performing proportionally fair (PF) scheduling for data transmission by receiving channel quality information (CQI) fedback-transmitted from plural mobile stations connected to the base station. The base station determines a number of first mobile stations feeding back CQI required by the base station, calculates an actual number of second mobile stations, which have fed back CQI using the CQI received from the plural mobile stations, controls a first scheduling metric value by comparing the number of the first mobile stations with the number of the second mobile stations, and transmits the controlled first scheduling metric value to the plural mobile stations, the first scheduling metric value corresponding to information used for determining if the plural mobile stations feedback-transmit the CQI, and the plural mobile stations determine if the mobile stations feedback-transmit the CQI by comparing the first scheduling metric value received from the base station with second scheduling metric values of the plural mobile stations.
    • 提供了一种用于按比例地公平调度的系统和方法,用于在无线通信系统中有效地在基站和移动台之间交换信息。 该系统包括通过接收从连接到基站的多个移动台进行反馈发送的信道质量信息(CQI)来执行用于数据传输的按比例公平(PF)调度的基站。 基站确定反馈基站所需的CQI的第一移动台的数量,使用从多个移动台接收的CQI反馈CQI的第二移动台的实际数量,通过以下方式控制第一调度度量值 将第一移动站的数量与第二移动站的数量进行比较,并将受控的第一调度度量值发送到多个移动站,对应于用于确定多个移动站反馈发送的信息的第一调度度量值 CQI,并且多个移动站通过将从基站接收的第一调度度量值与多个移动台的第二调度度量值进行比较来确定移动台是否反馈发送CQI。
    • 9. 发明申请
    • Scheduling method and system using relay station in radio communication system
    • 无线电通信系统中使用中继站的调度方法和系统
    • US20060270341A1
    • 2006-11-30
    • US11437156
    • 2006-05-19
    • Hoon KimYeon-Woo LeeSang-Boh Yun
    • Hoon KimYeon-Woo LeeSang-Boh Yun
    • H04B7/14
    • H04W72/1284H04B7/0673H04B7/2606H04W16/24H04W16/26H04W72/1231H04W84/047H04W88/04H04W88/085
    • A scheduling method and system is disclosed that divides scheduling between a base station and a mobile station into scheduling between the base station and a relay station and scheduling between the relay station and the mobile station, and performs the divided schedulings. In a radio communication system that transmits a signal of a base station to mobile stations located on a border of a cell by using a relay station, the base station having multiple antennas receives phase information of the respective antennas from the relay station having multiple antennas, compensates for phases of the respective antennas, and transmits data through the phase-compensated antennas. The relay station transmits only channel quality information of the mobile station, which has a high possibility of being selected by the base station among channel quality information of the mobile stations that belong to the relay station, to the base station.
    • 公开了将基站与移动台之间的调度划分为基站与中继站之间的调度以及中继站与移动站之间的调度的调度方法和系统,并进行分割的调度。 在通过使用中继站向基站边界的移动台发送基站的信号的无线通信系统中,具有多个天线的基站从具有多个天线的中继站接收各天线的相位信息, 补偿各天线的相位,并通过相位补偿天线发送数据。 中继站仅向基站发送移动站的信道质量信息,该信道质量信息具有由基站选择的高可能性的信道质量信息到属于该中继站的移动站的信道质量信息中。