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    • 52. 发明授权
    • Apparatus and method for downlink packet scheduling in base station of a portable internet system
    • 便携式互联网系统基站中的下行链路分组调度的装置和方法
    • US07873050B2
    • 2011-01-18
    • US11598588
    • 2006-11-13
    • Ju-Hee KimKyung-Soo Kim
    • Ju-Hee KimKyung-Soo Kim
    • H04L12/28H04J3/16
    • H04L65/80H04W80/04H04W88/08
    • In a base station of an IEEE 802.16 Wireless MAN-based portable Internet system, a forward packet scheduling method and apparatus is provided. The portable Internet system portable Internet service includes a user terminal AT for providing a portable Internet service, a base station AP for supporting an inter-user terminal wireless access and network connection, and a packet access router PAR for performing a mobility control and packet routing function of each user terminal AT. The forward packet scheduler includes a packet-based subsidiary scheduling part for considering a real-time service and a user-based scheduling part for ensuring fairness and increasing system efficiency (throughput). After finishing the 2-step scheduling, the generated frame data are transmitted though a physical layer to a wireless user terminal. Therefore, with such a structure, the forward packet scheduling method may guarantee a maximum of system efficiency and fairness according to each user's QoS requirements, and may also guarantee a delay performance for a real-time service.
    • 在基于IEEE 802.16无线MAN的便携式因特网系统的基站中,提供了前向分组调度方法和装置。 便携式因特网系统便携式因特网服务包括用于提供便携式因特网服务的用户终端AT,用于支持用户间终端无线接入和网络连接的基站AP,以及用于执行移动性控制和分组路由的分组接入路由器PAR 每个用户终端AT的功能。 前向分组调度器包括用于考虑实时业务的基于分组的辅助调度部分和用于确保公平性并提高系统效率(吞吐量)的基于用户的调度部分。 在完成两步调度之后,所生成的帧数据通过物理层被发送到无线用户终端。 因此,通过这样的结构,前向分组调度方法可以根据每个用户的QoS要求保证系统效率和公平性的最大化,并且还可以保证实时业务的延迟性能。
    • 56. 发明申请
    • Apparatus and Method for Scheduling of High-Speed Portable Internet System
    • 高速便携式互联网系统调度装置及方法
    • US20080186909A1
    • 2008-08-07
    • US11993936
    • 2006-06-27
    • Ju-Hee KimSook-Jin LeeKyung-Soo Kim
    • Ju-Hee KimSook-Jin LeeKyung-Soo Kim
    • H04Q7/00
    • H04W72/1273H04W28/065H04W28/14H04W72/1205
    • The present invention relates to a scheduling apparatus and a method thereof in an HPi system. A scheduling algorithm is applied appropriate to a characteristic of each multimedia service (e.g., real-time service, non real-time service, best-effort service, etc.) and a transmission order of the IP packets transmitted from a network is determined such that a transmit wait queue is generated. Radio resource allocation is performed in accordance with the order of the data items queued in the transmit wait queue, the size of transmittable data is determined such that a PDU is generated. In addition, frame data formed of bursts of PDUs is generated and transmitted to a physical layer. Therefore, a scheduling algorithm can be applied appropriate to characteristics of each multimedia service. In addition, packet scheduling is performed in two steps in order to schedule traffic corresponding to radio frames such that packets can be efficiently processed.
    • 本发明涉及一种HPi系统中的调度装置及其方法。 适用于每个多媒体业务的特征(例如,实时业务,非实时业务,尽力服务等)的调度算法被确定为从网络发送的IP分组的传输顺序 生成发送等待队列。 根据发送等待队列中排队的数据项的顺序执行无线资源分配,确定可发送数据的大小,使得生成PDU。 另外,由突发的PDU形成的帧数据被生成并发送到物理层。 因此,可以适用于每个多媒体业务的特征的调度算法。 另外,分两个步骤进行分组调度,以便调度与无线帧相对应的业务,从而可以有效地处理分组。
    • 57. 发明申请
    • PACKET ACCESS ROUTER AND RANGING METHOD USING THE SAME IN MOBILE COMMUNICATION SYSTEM
    • 在移动通信系统中使用它的分组接入路由器和范围方法
    • US20080137582A1
    • 2008-06-12
    • US11756304
    • 2007-05-31
    • Ju-Hee KimShang-Lim ShinKyung-Soo Kim
    • Ju-Hee KimShang-Lim ShinKyung-Soo Kim
    • H04B7/14H04J1/10
    • H04L45/00H04W16/26H04W74/002H04W84/047Y02D70/146
    • The present invention relates to a packet access router and a ranging method using the same in a mobile communication system. In the mobile communication system to which the packet access router is introduced, a better initial access process and a periodic ranging process are performed so as to accurately transmit data to the access point irrespective of the condition of whether an access terminal is provided in the packet access router region or not. When a ranging code is received, it is accurately determined whether the ranging code is directly received from the access terminal or it is received through the packet access router, and a method for performing a ranging control on the access terminal and a packet access router when the ranging code is transmitted to the access point through the packet access router. Therefore, the coverage of the access point is increased and the data throughput is improved. Also, system performance can be enhanced through efficient power control on the access terminal provided out of the access point region.
    • 本发明涉及一种分组接入路由器及其在移动通信系统中的测距方法。 在引入分组接入路由器的移动通信系统中,执行更好的初始接入过程和周期性测距过程,以便准确地向接入点发送数据,而不管接入终端是否在分组中提供 访问路由器区域。 当接收到测距码时,准确地确定测距码是直接从接入终端接收还是通过分组接入路由器接收,以及一种用于在接入终端和分组接入路由器上进行测距控制的方法, 测距码通过分组接入路由器发送到接入点。 因此,接入点的覆盖面增加,数据吞吐量提高。 此外,可以通过在接入点区域外提供的接入终端上的有效功率控制来提高系统性能。
    • 58. 发明申请
    • Apparatus and method for downlink packet scheduling in base station of a portable internet system
    • 便携式互联网系统基站中的下行链路分组调度的装置和方法
    • US20070121636A1
    • 2007-05-31
    • US11598588
    • 2006-11-13
    • Ju-Hee KimKyung-Soo Kim
    • Ju-Hee KimKyung-Soo Kim
    • H04L12/56H04J3/22
    • H04L65/80H04W80/04H04W88/08
    • In a base station of an IEEE 802.16 Wireless MAN-based portable Internet system, a forward packet scheduling method and apparatus is provided. The portable Internet system portable Internet service includes a user terminal AT for providing a portable Internet service, a base station AP for supporting an inter-user terminal wireless access and network connection, and a packet access router PAR for performing a mobility control and packet routing function of each user terminal AT. The forward packet scheduler includes a packet-based subsidiary scheduling part for considering a real-time service and a user-based scheduling part for ensuring fairness and increasing system efficiency (throughput). After finishing the 2-step scheduling, the generated frame data are transmitted though a physical layer to a wireless user terminal. Therefore, with such a structure, the forward packet scheduling method may guarantee a maximum of system efficiency and fairness according to each user's QoS requirements, and may also guarantee a delay performance for a real-time service.
    • 在基于IEEE 802.16无线MAN的便携式因特网系统的基站中,提供了前向分组调度方法和装置。 便携式因特网系统便携式因特网服务包括用于提供便携式因特网服务的用户终端AT,用于支持用户间终端无线接入和网络连接的基站AP,以及用于执行移动性控制和分组路由的分组接入路由器PAR 每个用户终端AT的功能。 前向分组调度器包括用于考虑实时业务的基于分组的辅助调度部分和用于确保公平性并提高系统效率(吞吐量)的基于用户的调度部分。 在完成两步调度之后,所生成的帧数据通过物理层被发送到无线用户终端。 因此,通过这样的结构,前向分组调度方法可以根据每个用户的QoS要求保证系统效率和公平性的最大化,并且还可以保证实时业务的延迟性能。