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    • 3. 发明授权
    • Space time block code communications with co-operative relays
    • 空间时间块代码与合作继电器通讯
    • US08477677B2
    • 2013-07-02
    • US11829609
    • 2007-07-27
    • James Mark Naden
    • James Mark Naden
    • H04B7/14H04B7/212
    • H04L47/826H04B7/15592H04L1/04H04L1/0625H04L1/0631H04L1/0668H04L5/0039H04L2001/0097
    • Methods, systems and apparatuses are provided for transmitting and receiving space-time block coded data in a wireless communications system with co-operative relays. A source node transmits RF signals representing first and second sets of data symbols in respective first and second channels (in time frequency code or any combination) of a wireless communications system, the first and second sets of data symbols being for transmission from separate antennas respectively according to a space-time block code. A relay node receives the RF signals representing the first set of data symbols in the first channel and transmits RF signals representing the first set of data symbols in the second channel. A destination node received the RF signals representing the second set of data symbols from the source node and the RF signals representing the first set of data symbols from the relay node. This enables decoding of the received RF signals representing the first and second sets of data symbols according to the space-time block code.
    • 提供了用于在具有合作中继的无线通信系统中发送和接收空时块编码数据的方法,系统和装置。 源节点在无线通信系统的相应的第一和第二信道(在时间频率代码或任何组合中)发送表示第一和第二组数据符号的RF信号,第一和第二组数据符号用于分别从单独的天线传输 根据时空块代码。 中继节点接收表示第一信道中的第一组数据符号的RF信号,并在第二信道中发送表示第一组数据符号的RF信号。 目的地节点从源节点接收表示第二组数据符号的RF信号,以及表示来自中继节点的第一组数据符号的RF信号。 这使得能够根据时空块码对接收到的表示第一和第二组数据符号的RF信号进行解码。
    • 4. 发明授权
    • Generator with DC boost and split bus bidirectional DC-to-DC converter for uninterruptible power supply system or for enhanced load pickup
    • 具有直流升压和分流总线双向DC-DC转换器的发电机,用于不间断电源系统或用于增强负载拾取
    • US07786616B2
    • 2010-08-31
    • US10361027
    • 2003-02-07
    • Mark NadenRandall Bax
    • Mark NadenRandall Bax
    • H02J9/00
    • H02J9/062H02J3/28H02J9/08Y10T307/50Y10T307/615Y10T307/625
    • A local power generation system generates DC voltage at an inverter input, modulated to generate an AC power signal to a load. The inverter input voltage may be obtained from an engine generator, providing a rectified AC power signal. An energy storage device helps maintain DC voltage at the inverter input when load power draw increases or during engine startup or acceleration, for example, until the engine accommodates increased power demand. The system may also be used in an uninterruptible power supply (UPS), in which the load draws power from a utility-provided AC power source until a fault condition appears. When the fault condition appears, the load switches its power draw from the utility-provided AC power source to the inverter output. The energy storage device is charged through a bidirectional DC-to-DC converter and through an inverter operating in rectifier mode to rectify a utility-provided AC power signal.
    • 本地发电系统在逆变器输入端产生直流电压,经调制以产生负载的交流电源信号。 逆变器输入电压可以从发动机发电机获得,提供整流的交流电力信号。 能量存储装置有助于在负载功率消耗增加时或在发动机启动或加速期间维持变频器输入端的直流电压,例如直到发动机满足增加的功率需求。 该系统还可用于不间断电源(UPS),其中负载从公用事业提供的交流电源中获取电力,直到故障状态出现。 当故障状态出现时,负载将其从公用设施的交流电源的功率消耗切换到变频器输出。 能量存储装置通过双向DC-DC转换器和通过在整流模式下工作的逆变器进行充电,以整流供电的交流电源信号。
    • 5. 发明申请
    • POWER SYSTEM HAVING A LOCAL SENSE CONTROL DOMINANT OVER A REMOTE SENSE CONTROL TO AVOID EFFECTS OF INTERCONNECTION FAILURE MODES
    • 具有局部感知控制的电力系统通过远程感测控制来避免互连故障模式的影响
    • US20100181971A1
    • 2010-07-22
    • US12356146
    • 2009-01-20
    • MARK NADEN
    • MARK NADEN
    • G05F1/10
    • H02M3/156G05F1/46H02M1/32H02M2001/0025Y10S323/909
    • A power system is configured to provide a regulated voltage to an electrical load connected to a power source through at least one power line. The power system includes a first voltage control loop based on a remote sense signal indicative of voltage level at the load. The power system further includes a second voltage control loop based on a local sense signal indicative of a level of output voltage at the power source. The voltage level of the local sense signal is generally at a higher voltage level relative to the voltage level of the remote sense signal. Circuitry is configured to pass just the signal with the higher voltage level to ensure that the local sense control loop is a dominant control loop with respect to the remote sense control loop. This avoids effects on the power source from one or more failure modes that can occur in interconnections of the system.
    • 电力系统被配置为通过至少一个电力线向连接到电源的电负载提供调节电压。 电力系统包括基于指示负载处的电压电平的远程感测信号的第一电压控制回路。 电力系统还包括基于指示电源处的输出电压电平的局部感测信号的第二电压控制回路。 本地感测信号的电压电平通常相对于远程感测信号的电压电平处于较高的电压电平。 电路被配置为仅传递具有较高电压电平的信号,以确保本地感测控制环路是相对于远程感测控制环路的主要控制回路。 这避免了在系统互连中可能发生的一种或多种故障模式对电源的影响。
    • 6. 发明申请
    • WIRELESS SYSTEM
    • 无线系统
    • US20100035620A1
    • 2010-02-11
    • US12187961
    • 2008-08-07
    • James Mark NadenPeiying Zhu
    • James Mark NadenPeiying Zhu
    • H04Q7/20H04M1/00
    • H04W16/12H04B7/15542H04B7/2606H04L5/0007H04L5/0041H04L5/0044H04L27/2627H04W72/04H04W72/0426H04W72/044H04W72/0446H04W72/0486H04W84/047
    • The capacity of a cellular wireless system is increased by operation of base stations or base station sectors arranged to re-use radio resource elements that are used by neighbouring base stations or base station sectors, in conjunction with operation of relay stations, which are similarly arranged to re-use radio resource elements used by neighbouring relay stations, and where the radio resource elements re-used by the relay stations are different to those used by the base stations. The relay stations provide coverage, particularly in the areas at the boundaries between the areas of coverage of base stations that suffer from interference between signals transmitted from the respective base stations. In addition, the relay stations generally increase the average available carrier to interference ratio compared with a system in which base stations alone are deployed. The scheme for the allocation of radio resource elements ensures in particular that interference is avoided between signals transmitted from a base station and signals transmitted from a relay station in radio resource elements allocated to control data.
    • 结合中继站的操作,蜂窝无线系统的容量通过与被相邻基站或基站扇区使用的无线电资源元素重新使用的基站或基站扇区的操作而增加,中继站的操作类似地布置 重新使用由相邻中继站使用的无线电资源元件,以及由中继站重新使用的无线电资源元件与基站使用的无线电资源元件不同。 中继站提供覆盖,特别是在各基站发送的信号之间的基站覆盖区域之间的边界区域。 此外,与仅部署基站的系统相比,中继站通常增加平均可用的载波干扰比。 用于分配无线电资源元素的方案特别地确保在从分配给控制数据的无线电资源元素中发送的基站和从中继站发送的信号之间避免干扰。
    • 7. 发明申请
    • Self-locking hook
    • 自锁钩
    • US20080047913A1
    • 2008-02-28
    • US11510445
    • 2006-08-26
    • Mark NadenMarco PerryTodd Ethan BrunnerTroy Phipps
    • Mark NadenMarco PerryTodd Ethan BrunnerTroy Phipps
    • A47G29/087
    • A47K3/281Y10T24/51
    • A self-locking hook for supporting a load on a substantially horizontal surface is disclosed. The hook has a relatively rigid C-shaped body which includes a surface defining an opening for accommodating a substantially horizontal component and a support having a load bearing or attachment point. The surface of the opening includes a first contact area and a second contact area. The load bearing or attachment point is attached to the body relative to the opening such that application of a load at the load bearing point while the first contact area is contacting a component rotates the body about the first contact area until the second contact area abuts the component. This self-locking feature allows the hook to be used effectively on both component surfaces which are slightly angled or sloped and with loads which are not perpendicular to the component surface.
    • 公开了一种用于在大致水平的表面上支撑负载的自锁钩。 钩具有相对刚性的C形主体,其包括限定用于容纳基本上水平的部件的开口的表面和具有承载或附接点的支撑件。 开口的表面包括第一接触区域和第二接触区域。 负载轴承或附接点相对于开口附接到主体,使得在第一接触区域接触部件时在承载点施加负载使主体围绕第一接触区域旋转,直到第二接触区域邻接 零件。 这种自锁功能允许在两个部件表面上有效地使用钩子,这些部件表面略微倾斜或倾斜,并且不会垂直于部件表面的负载。
    • 9. 发明授权
    • Power system having a local sense control dominant over a remote sense control to avoid effects of interconnection failure modes
    • 电力系统具有远程感测控制的局部感测控制,以避免互连故障模式的影响
    • US08138736B2
    • 2012-03-20
    • US12356146
    • 2009-01-20
    • Mark Naden
    • Mark Naden
    • G05F1/00
    • H02M3/156G05F1/46H02M1/32H02M2001/0025Y10S323/909
    • A power system is configured to provide a regulated voltage to an electrical load connected to a power source through at least one power line. The power system includes a first voltage control loop based on a remote sense signal indicative of voltage level at the load. The power system further includes a second voltage control loop based on a local sense signal indicative of a level of output voltage at the power source. The voltage level of the local sense signal is generally at a higher voltage level relative to the voltage level of the remote sense signal. Circuitry is configured to pass just the signal with the higher voltage level to ensure that the local sense control loop is a dominant control loop with respect to the remote sense control loop. This avoids effects on the power source from one or more failure modes that can occur in interconnections of the system.
    • 电力系统被配置为通过至少一个电力线向连接到电源的电负载提供调节电压。 电力系统包括基于指示负载处的电压电平的远程感测信号的第一电压控制回路。 电力系统还包括基于指示电源处的输出电压电平的局部感测信号的第二电压控制回路。 本地感测信号的电压电平通常相对于远程感测信号的电压电平处于较高的电压电平。 电路被配置为仅传递具有较高电压电平的信号,以确保本地感测控制环路是相对于远程感测控制环路的主要控制回路。 这避免了在系统互连中可能发生的一种或多种故障模式对电源的影响。
    • 10. 发明申请
    • TRANSFERRING DATA IN A MOBILE TELEPHONY NETWORK
    • 在移动电话网络中传输数据
    • US20100103869A1
    • 2010-04-29
    • US12259484
    • 2008-10-28
    • James Mark Naden
    • James Mark Naden
    • H04W4/00H04B7/14
    • H04W92/20
    • A mobile telephony network comprises base stations operating according to a predetermined standard. A transfer node allows the transfer of data from a first base station to a second base station in the mobile telephone network. Data is sent from the first base station to a data receiver of the data transfer node via a first wireless communications channel complying with the said standard. The received data is transferred via an interface within the transfer node to a data sender of the data transfer node. The data sender sends the transferred data to the second base station via a second wireless communications channel complying with the said standard. The interface within the transfer node does not comply with the operating standard because it transfers data only within the node. Data may be sent from the second base station to the first base station via the node in similar manner. Preferably, the receiver appears to the first base station to be a relay and the sender appears to the second base station to be a user terminal.
    • 移动电话网络包括根据预定标准操作的基站。 传输节点允许将数据从第一基站传输到移动电话网络中的第二基站。 数据经由符合所述标准的第一无线通信信道从第一基站发送到数据传输节点的数据接收机。 所接收的数据经由传输节点内的接口传送到数据传输节点的数据发送者。 数据发送器通过符合所述标准的第二无线通信信道将传送的数据发送到第二基站。 传输节点内的接口不符合操作标准,因为它仅在节点内传输数据。 数据可以以类似的方式经由节点从第二基站发送到第一基站。 优选地,接收机在第一基站看起来是中继,并且发送方对第二基站看起来是用户终端。