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    • 6. 发明申请
    • COMMUNICATION WITH COMPRESSED HEADERS
    • 通信与压缩头
    • US20110007755A1
    • 2011-01-13
    • US12866172
    • 2009-02-03
    • Anders JonssonJanne PeisaKai-Erik Sunell
    • Anders JonssonJanne PeisaKai-Erik Sunell
    • H04J3/24
    • H04L69/22H04L69/04H04W28/06
    • Communication efficiency may be enhanced by using compressed headers. In an example embodiment, a method is performed by a transmitting device to reduce header size. A mapping is created between a logical channel identifier and a compressed logical channel identifier. The compressed logical channel identifier occupies fewer bits than the logical channel identifier. The mapping is transmitted to a receiving device. A compressed header that includes the compressed logical channel identifier is formulated. A communication that includes the compressed header is transmitted to the receiving device. In another example embodiment, a method is performed by a receiving device to decode a header having a reduced size. A mapping and a communication including a compressed header are received. A compressed logical channel identifier is extracted from the compressed header. A logical channel identifier is recovered from the compressed logical channel identifier using the mapping.
    • 通过使用压缩头可以提高通信效率。 在示例实施例中,由发送设备执行一种方法来减少报头大小。 在逻辑信道标识符和压缩的逻辑信道标识符之间创建映射。 压缩的逻辑信道标识符占用比逻辑信道标识符少的位。 映射被发送到接收设备。 制定包括压缩逻辑信道标识符的压缩报头。 包括压缩报头的通信被传送到接收设备。 在另一示例实施例中,由接收设备执行一种方法来对具有减小的尺寸的报头进行解码。 接收包括压缩报头的映射和通信。 从压缩报头中提取压缩的逻辑信道标识符。 使用映射从压缩逻辑信道标识符恢复逻辑信道标识符。
    • 8. 发明申请
    • Power Backoff for Multi-Carrier Uplink Transmissions
    • 多载波上行链路传输的功率回退
    • US20120008563A1
    • 2012-01-12
    • US13256132
    • 2009-12-28
    • Klas JohanssonTorgny PaleniusKai-Erik SunellAnders Wallen
    • Klas JohanssonTorgny PaleniusKai-Erik SunellAnders Wallen
    • H04W88/02H04W88/08
    • H04W52/146H04W52/36
    • Teachings presented herein provide reduced computational complexity and/or memory requirements for a mobile terminal to determine the power backoff required for a multi-carrier uplink signal. In particular, the mobile terminal determines whether its power headroom falls below a pre-defined power headroom threshold, indicating that it is headroom limited. If so, it5 quantizes power allocated to each carrier of the multi-carrier uplink signal according to a pre-defined quantization policy. In doing so, the mobile terminal thereby reduces the possible configurations that may be selected for the multi-carrier uplink signal. Thus, in one embodiment, the mobile terminal stores the required backoff in a look-up table for only the configurations that may be selected when the mobile terminal is headroom limited. This relieves 10 the memory requirements of the mobile terminal as compared to storing the required backoff for all possible configurations of the multi-carrier uplink signal.
    • 本文提出的教学提供了移动终端降低的计算复杂度和/或存储器要求,以确定多载波上行链路信号所需的功率回退。 特别地,移动终端确定其功率余量是否低于预定义的功率余量阈值,指示其净空限制。 如果是,则它根据预定义的量化策略量化分配给多载波上行链路信号的每个载波的功率。 在这样做时,移动终端因此减少了可能为多载波上行链路信号选择的可能配置。 因此,在一个实施例中,移动终端仅在移动终端被限制空间时可以选择的配置在查找表中存储所需的退避。 与存储针对多载波上行链路信号的所有可能配置的所需退避相比,这减轻了移动终端的存储器要求。
    • 9. 发明申请
    • Coordinated data flow control and buffer sharing in umts
    • 协调数据流控制和缓冲区共享
    • US20070015525A1
    • 2007-01-18
    • US10595312
    • 2004-10-05
    • Per BemingKai-Erik SunellNiklas Johansson
    • Per BemingKai-Erik SunellNiklas Johansson
    • H04Q7/20H04B7/00
    • H04W28/10H04L47/15H04L47/70H04L47/822H04L47/824H04L47/825H04W28/14H04W72/04
    • The invention describes a flow control method to control HS-DSCH data streams over UTRAN Iub and Iur interfaces. Two credit assignment schemes are also described. A radio network node at which the flow control method executes is proposed. Finally a computer program product for execution of the flow control method and the credit assignment schemes is described. The control of separate user data flows is coordinated by Node-B and data transport over the Iub and Iur interfaces is adapted to data transfer over the Uu interface. The main advantage is that buffering can be primarily maintained in SRNC. It is shown that the proposed flow control method can significantly reduce Node-B's buffer level when compared to a scheme where the control of individual data flows is performed independently of each other. It is also shown that the negative impact on the quantity of flowing data is generally minor.
    • 本发明描述了一种通过UTRAN Iub和Iur接口来控制HS-DSCH数据流的流控制方法。 还描述了两个信用分配方案。 提出了流控制方法执行的无线网络节点。 最后描述用于执行流控制方法和信用分配方案的计算机程序产品。 单独的用户数据流的控制由节点B进行协调,并通过Iub进行数据传输,Iur接口适用于通过Uu接口的数据传输。 主要优点是可以在SRNC中主要保持缓冲。 结果表明,与单独数据流的控制相互独立执行的方案相比,所提出的流控制方法可以显着降低节点B的缓冲器电平。 还表明,流量数据的负面影响通常较小。
    • 10. 发明申请
    • Admission Control for Control Channel
    • 控制通道入场控制
    • US20150036563A1
    • 2015-02-05
    • US14362159
    • 2011-12-06
    • Magnus HurdPontus ArvidsonRobert KarlssonKai-Erik Sunell
    • Magnus HurdPontus ArvidsonRobert KarlssonKai-Erik Sunell
    • H04W72/14H04L5/14H04L5/00
    • H04W72/14H04L5/0053H04L5/14H04W28/16H04W72/1242H04W72/1252H04W72/1278
    • Network node (110) and method (600) in a network node (110), for admission control of an additional radio access bearer based on load of control channel elements on a control channel, assigned by a scheduler (700) comprised in the network node (110). The method (600) comprises assigning (601), by the scheduler (700), control channel elements on the control channel for already admitted radio access bearers. Further, a first and a second load of the control channel is computed (606, 607) based on the usage of assigned control channel elements subframes on which both downlink assignments and uplink grants are enabled, and on which downlink assignments are enabled, respectively. If any of the first or second loads exceeds a respective threshold value, the radio access bearer to be admitted is rejected (609A).
    • 网络节点(110)中的网络节点(110)和方法(600),用于基于由控制信道上的控制信道元素的负载来允许控制附加无线电接入承载,所述控制信道元素由包括在所述网络中的调度器(700)分配 节点(110)。 方法(600)包括由调度器(700)向控制信道分配(601)控制信道元素以用于已经允许的无线电接入承载。 此外,基于所分配的控制信道单元的使用,分别在下行链路分配和上行链路许可被使能的子帧上分别计算(606,607)的控制信道的第一和第二负载,并且在哪个下行链路分配被启用。 如果第一或第二负载中的任何一个超过相应的阈值,则拒绝接纳的无线电接入载体(609A)。