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    • 93. 发明授权
    • Power control in a wireless system having multiple interfering communication resources
    • 具有多个干扰通信资源的无线系统中的功率控制
    • US08849334B2
    • 2014-09-30
    • US12298690
    • 2006-04-27
    • Peter Larsson
    • Peter Larsson
    • H04B7/00
    • H04W52/26H04W52/225H04W52/242H04W52/265H04W52/267H04W52/343H04W52/367
    • A power control procedure is based on assigning a common control parameter to considered interfering communication resources, and using the control parameter together with a unique power control condition for determining the individual transmit power parameters of the communication resources. In particular, for each one of at least a subset of said communication resources, an individual transmit power parameter is determined based on a power control condition implying that the total received power divided with a path gain of the communication resource should correspond to the common control parameter. The determined transmit power parameters are then used for controlling the transmit powers of the corresponding communication resources. This process helps to maximize aggregate data rate for any given amount of total invested power.
    • 功率控制过程基于将公共控制参数分配给所考虑的干扰通信资源,并且使用控制参数以及用于确定通信资源的各个发射功率参数的唯一功率控制条件。 具体地,对于所述通信资源的至少一个子集中的每一个,基于功率控制条件来确定单独发射功率参数,功率控制条件意味着与通信资源的路径增益相分离的总接收功率应对应于公共控制 参数。 所确定的发射功率参数然后用于控制相应通信资源的发射功率。 此过程有助于最大化总投资电力的总量数据率。
    • 94. 发明授权
    • Methods and arrangements for frequency selective repetition
    • 频率选择性重复的方法和布置
    • US08718540B2
    • 2014-05-06
    • US12996678
    • 2009-06-22
    • Niklas JohanssonGunnar MildhPål FrengerPeter Larsson
    • Niklas JohanssonGunnar MildhPål FrengerPeter Larsson
    • H04B3/36
    • H04B7/15542Y02D70/1262Y02D70/1264Y02D70/446
    • Methods and apparatuses for enabling frequency selective repetition of signals in a telecommunication system in which aggregation of component carriers is applied. Information signals are received in a first set of frequency bands, which is defined to cover anchor carriers, which can be used by both legacy and non-legacy terminals. Further, information is received in a second set of frequency bands, which is defined to cover non-anchor carriers, which only can be used by non-legacy terminals. Instructions concerning which frequency band(s) that should be repeated by the repeater node, are also received. Thereafter, the frequency bands indicated in the instructions are filtered out, after which these frequency bands or parts are repeated by the repeater node. This results in enabling frequency selective repetition in a system which may comprise legacy mobile, which limits the interference in the system, which enables higher bitrates and saves energy.
    • 在应用分量载波的聚合的电信系统中,使信号频率选择性重复的方法和装置。 在第一组频带中接收信息信号,其被定义为涵盖可以由传统和非遗留终端使用的锚定载波。 此外,在第二组频带中接收信息,其被定义为覆盖只能由非传统终端使用的非锚定载波。 还将接收关于中继器节点应该重复哪个频带的指令。 此后,滤除指令中指示的频带,之后由中继器节点重复这些频带或部分。 这导致在可能包括传统移动设备的系统中实现频率选择性重复,这限制了系统中的干扰,其实现更高的比特率并节省能量。
    • 95. 发明授权
    • Method and apparatus for controlling access to a radio resource
    • 用于控制对无线电资源的访问的方法和装置
    • US08665790B2
    • 2014-03-04
    • US13129061
    • 2009-03-23
    • Peter LarssonMikael PrytzYngve Selén
    • Peter LarssonMikael PrytzYngve Selén
    • H04W4/00H04W72/04H04W16/14H04W40/04H04W84/18
    • H04W72/04H04W16/14H04W40/04H04W84/18
    • In a radio system where wireless nodes are in contact, the wireless nodes are enabled to exchange information with adjacent nodes. In addition, in one embodiment distant nodes out of range for direct communication can be communicated with by forwarding data over multiple hops. When a user, in particular a primary user, is detected by a node, a spectrum access blocking message is sent, to other nodes in the vicinity of the node thereby enabling blocking of the radio resource in a geographical area in which the other usage is detected. This means that the radio resource is blocked in that area from being accessed by other users than the primary user. The blocking message can be distributed in any suitable manner and can be tailored for the application at hand.
    • 在无线节点接触的无线电系统中,无线节点能够与相邻节点交换信息。 另外,在一个实施例中,用于直接通信的远程节点可以通过在多跳上转发数据来传送。 当用户特别是主用户被节点检测到时,向该节点附近的其他节点发送频谱接入阻塞消息,从而能够阻止另一个使用的地理区域中的无线电资源 检测到。 这意味着该区域的无线电资源被其他用户访问而不是主用户阻止。 阻塞消息可以以任何合适的方式分发,并且可以针对手头的应用进行定制。
    • 97. 发明授权
    • MU-COMP channel state normalization measure quantization and transmission
    • MU-COMP信道状态归一化测量量化和传输
    • US08599952B2
    • 2013-12-03
    • US13120010
    • 2008-09-24
    • Peter LarssonJiansong GanQingyu Miao
    • Peter LarssonJiansong GanQingyu Miao
    • H04B7/02
    • H04B7/022H04B7/0417H04B7/0452H04B7/0626H04B7/0632H04B7/0658H04B17/318
    • Uplink overhead is significantly reduced in a MU-COMP wireless communication network by exploiting the dissimilarity of received signal strength in signals transmitted by geographically distributed transmit antennas, as seen by receiving UEs. Each UE calculates a quantized normalization measure of channel elements for a channel weakly received from a first transmitter to that for a channel strongly received from a second transmitter. The quantized normalization measure may be modeled as a ratio of complex Gaussian variables, and quantized in phase and amplitude by making simplifying assumptions. The ratios are quantized, and transmitted to the network using far fewer bits than would be required to transmit the full channel state information. The network uses the quantized normalization measures to set the transmitter weights.
    • MU-COMP无线通信网络中的上行链路开销明显减少,这是通过接收UE所看到的,利用地理分布式发射天线发射的信号中接收信号强度的不相似性。 每个UE计算对于从第一发射机弱接收的信道的信道单元的量化归一化度量,以及对于从第二发射机强烈接收的信道。 量化归一化测量可以通过简化假设来建模为复数高斯变量的比率,并以相位和幅度量化。 这些比率被量化,并且使用比传输全通道状态信息所需的位少得多的比特来传送到网络。 网络使用量化的归一化度量来设置发射机的权重。
    • 98. 发明授权
    • Quality-based data scheduling
    • 基于质量的数据调度
    • US08351334B2
    • 2013-01-08
    • US11816071
    • 2005-02-10
    • Peter LarssonNiklas JohanssonMichael Meyer
    • Peter LarssonNiklas JohanssonMichael Meyer
    • G01R31/08
    • H04L1/1664H04L1/0026H04L1/0059H04L1/1812H04L1/1887H04L2001/0097
    • The present invention relates to quality-based scheduling of data in wireless networks. In this scheduling, quality information representing the degree of decodability of previously transmitted but not correctly received and not successfully decoded data packets is estimated in receiving communications nodes. This quality information is reported back to the node that transmitted the packet. The quality information will be used by the transmitting node when scheduling subsequent data transmissions. In this scheduling process, at least one of selection of: i) receiving node(s), to which a second data packet is to be forwarded; ii) a type of the data in the second packet; and/or iii) a data flow, to which the second packet belongs, is performed based on the quality information.
    • 本发明涉及无线网络中数据质量的调度。 在该调度中,在接收通信节点中估计表示先前发送但未正确接收且未成功解码的数据分组的可解码度的质量信息。 该质量信息被报告回发送数据包的节点。 当调度后续数据传输时,发送节点将使用质量信息。 在该调度过程中,选择以下各项中的至少一个:i)第二数据分组将被转发到的接收节点; ii)第二分组中的数据类型; 和/或iii)基于质量信息执行第二分组所属的数据流。
    • 99. 发明授权
    • Method and apparatus for routing packets
    • 用于路由数据包的方法和装置
    • US08139587B2
    • 2012-03-20
    • US11667187
    • 2004-11-11
    • Peter LarssonMikael PrytzKai-Erik SunellJohan LundsjoNiklas Johansson
    • Peter LarssonMikael PrytzKai-Erik SunellJohan LundsjoNiklas Johansson
    • H04L12/28H04L12/56
    • H04W40/00H04L45/22H04L45/24H04W40/12H04W48/18H04W72/02
    • Packets may be routed in a heterogeneous communications network as follows: for a set of packets comprising at least one packet to be transmitted from a sending node, said sending node being able to handle communication according to at least two access technologies,—selecting in a selection unit in the sending node an access technology for use when transmitting the set of packets,—selecting a receiving node in the network to which to transmit the set of packets among nodes in the network that are able to handle said selected access technology—transmitting the set of packets to the selected receiving node using the selected access technology. Alternatively, a set of packets may be transmitted to one or more nodes using at least two different access technologies. Depending on the transmission quality, one node may be selected to forward the set of packets.
    • 分组可以在异构通信网络中路由如下:对于包括要从发送节点发送的至少一个分组的一组分组,所述发送节点能够根据至少两个接入技术来处理通信, - 选择在 所述发送节点中的选择单元用于在发送所述分组集合时使用的接入技术, - 选择所述网络中的接收节点,所述接收节点在所述网络中能够处理所述选择的接入技术的节点之间传送所述分组集合 使用所选择的接入技术到所选接收节点的分组集合。 或者,可以使用至少两种不同的接入技术将一组分组发送到一个或多个节点。 根据传输质量,可以选择一个节点来转发该组分组。
    • 100. 发明申请
    • Techniques for Uplink Cooperation of Access Nodes
    • 接入节点上行链路协作技术
    • US20110263271A1
    • 2011-10-27
    • US13120816
    • 2009-04-28
    • Christian HoymannLaetitia FalconettiPeter Larsson
    • Christian HoymannLaetitia FalconettiPeter Larsson
    • H04B7/02H04W24/00
    • H04B7/024H04B17/14H04B17/382H04W28/04
    • For uplink cooperation of a serving access node (100-1) and a supporting access node (100-2) with respect to a terminal (200), the serving access node (100-1) requests information relating to an Rx signal (10-2) received from the terminal (200) at the supporting access node (100-2). The requested information may include a baseband representation of the Rx signal (10-2), demodulated bits of the Rx signal (10-2), or decoded bits of the Rx signal (10-2). The supporting access node (100-2) obtains the requested information from the Rx signal (10-2) and sends a response including the information to the serving access node (100-1). The serving base station determines an optimized signal on the basis of the information received from the supporting access node (100-2) and on the basis of corresponding information relating to a signal (10-1) received from the terminal (200) at the serving access node (100-1).
    • 对于服务接入节点(100-1)和支持接入节点(100-2)相对于终端(200)的上行链路协作,服务接入节点(100-1)请求与Rx信号(10 -2)在支持接入节点(100-2)处从终端(200)接收。 所请求的信息可以包括Rx信号(10-2)的基带表示,Rx信号(10-2)的解调比特或Rx信号(10-2)的解码比特。 支持接入节点(100-2)从Rx信号(10-2)获得请求的信息,并将包括该信息的响应发送给服务接入节点(100-1)。 服务基站根据从支持接入节点(100-2)接收的信息,并根据与从终端(200)接收的信号(10-1)有关的对应信息,确定优化信号 服务接入节点(100-1)。