公开(公告)号：US09392564B2

公开(公告)日：2016-07-12

申请号：US12522957

申请日：2008-01-15

申请人： Chun-Ting Chou ,  Hong Zhai ,  Richard Chen

发明人： Chun-Ting Chou ,  Hong Zhai ,  Richard Chen

IPC分类号： H04W56/00 ,  H04W48/16

CPC分类号： H04W56/002 ,  H04W48/16

摘要： A method and wireless device merge multiple unsynchronized beacon groups in a wireless network, each beacon group including at least one wireless device. A first beacon is received from at least one first wireless device in a first beacon group (S514), the first wireless device having a first directional antenna. A second beacon is received from at least one second wireless device in a second beacon group that is not synchronized with the first beacon group (S516), the second wireless device having a second directional antenna. A first response beacon is relocated (S520) and sent (S522) to the first wireless device in the first beacon group. The relocated first response beacon instructs the first wireless device to relocate the first beacon. Accordingly, the second beacon, the relocated first response beacon, and the relocated first beacon are synchronized.

摘要翻译： 方法和无线设备合并无线网络中的多个不同步的信标组，每个信标组包括至少一个无线设备。 从第一信标组中的至少一个第一无线设备接收第一信标（S514），第一无线设备具有第一定向天线。 从与第一信标组不同步的第二信标组中的至少一个第二无线设备接收第二信标（S516），第二无线设备具有第二定向天线。 第一响应信标被重定位（S520）并发送（S522）到第一信标组中的第一无线设备。 重新定位的第一响应信标指示第一无线设备重定位第一信标。 因此，第二信标，重新定位的第一响应信标和重新定位的第一信标被同步。

公开(公告)号：US08902832B2

公开(公告)日：2014-12-02

申请号：US13058006

申请日：2009-08-07

申请人： Maulin D. Patel ,  Richard Chen

发明人： Maulin D. Patel ,  Richard Chen

IPC分类号： H04W72/04 ,  H04W56/00 ,  H04B13/00 ,  H04W16/14

CPC分类号： H04W16/14 ,  H04B13/005 ,  H04W56/0015 ,  H04W56/0045

摘要： A method (400) for coordinating access to a wireless medium among multiple co-located body area networks (BANs). The method comprises detecting, by a master device of a first BAN, at least one alien BAN using beacons received from at least one co-located BAN, wherein an alien BAN is a BAN having its round start time (RST) misaligned with a RST of the first BAN (S410); recording a RST offset between the first BAN and the at least one alien BAN (S420); based on the RST offset determining which of the first BAN and the at least one alien BAN is an initiator BAN and which is a target BAN (S430); and realigning the RST of the initiator BAN with the RST of the target BAN (S460).

摘要翻译： 一种用于协调对多个同位置身体区域网络（BAN）中的无线介质的访问的方法（400）。 所述方法包括由主设备检测第一BAN，使用从至少一个同位置BAN接收的信标来检测至少一个外来BAN，其中外来BAN是具有与RST不一致的圆形开始时间（RST）的BAN 的第一班（S410）; 记录第一个BAN和至少一个外来BAN之间的RST偏移量（S420）; 基于所述RST偏移来确定所述第一BAN和所述至少一个外来BAN中的哪一个是发起者BAN并且其是目标BAN（S430）; 并使用目标BAN的RST重新调整启动器BAN的RST（S460）。

公开(公告)号：US08767743B2

公开(公告)日：2014-07-01

申请号：US13058004

申请日：2009-08-07

申请人： Maulin D. Patel ,  Richard Chen

发明人： Maulin D. Patel ,  Richard Chen

IPC分类号： H04L12/28

CPC分类号： H04W74/04 ,  H04B13/005 ,  H04W16/14 ,  H04W56/00 ,  H04W84/10

摘要： A method for transferring data among devices in a body area network (BAN). The method comprises dividing an access time to a wireless medium of the BAN into at least a contention-based period (510) and a contention-free reservation period (520); allowing devices to transfer data during the contention-based period using a local prioritized contention access (LPCA) mechanism; and allowing only devices having reserved time slots to transfer data during the contention-free reservation period (520).

摘要翻译： 一种用于在体区域网络（BAN）中的设备之间传送数据的方法。 该方法包括将访问时间与BAN的无线介质划分为至少基于争用的时段（510）和无竞争的预留时段（520）; 允许设备使用本地优先竞争访问（LPCA）机制在基于争用的期间内传送数据; 并且仅允许具有保留时隙的设备在无竞争保留期间（520）中传送数据。

公开(公告)号：US08737423B2

公开(公告)日：2014-05-27

申请号：US12937004

申请日：2009-04-07

申请人： Richard Chen

发明人： Richard Chen

IPC分类号： H04L12/42 ,  H04L12/403

CPC分类号： H04W74/0816

摘要： A method (300) for pre-empting data transmissions in a discovery channel. The method comprises scanning the discovery channel to detect at least one data beacon transmitted in beacon slots (230) of a superframe (S310); determining if at least one data beacon was detected (S320); and transmitting a pre-empt beacon if the at least one data beacon was detected (S330).

摘要翻译： 一种用于在发现信道中预先消除数据传输的方法（300）。 该方法包括扫描发现信道以检测在超帧的信标时隙（230）中发送的至少一个数据信标（S310）; 确定是否检测到至少一个数据信标（S320）; 以及如果检测到所述至少一个数据信标，则发送先占信标（S330）。

公开(公告)号：US08630205B2

公开(公告)日：2014-01-14

申请号：US12812638

申请日：2008-01-17

申请人： Chun-Ting Chou ,  Hongqiang Zhai ,  Richard Chen

发明人： Chun-Ting Chou ,  Hongqiang Zhai ,  Richard Chen

IPC分类号： H04L12/28

CPC分类号： H04W24/00 ,  H04W48/16

摘要： A method and apparatus discover hidden wireless devices in a wireless network using a directional antenna system, preventing partitioning of the wireless network. A first wireless device located in a first antenna sector is joined in response to an initial first beacon. First beacons are received from the joined first wireless device during corresponding first beacon periods. At least a second antenna sector is scanned during at least one first beacon period to listen for second beacons from a second wireless device in the second antenna sector, while remaining joined with the first wireless device. The first beacons are not received while the second antenna sector is scanned. The second wireless device is joined in response to an initial second beacon. Second beacons are then received from the joined second wireless device during corresponding second beacon periods, and the first beacons are received during the corresponding first beacon periods.

摘要翻译： 一种方法和装置利用定向天线系统在无线网络中发现隐藏的无线设备，从而防止无线网络的划分。 响应于初始第一信标，位于第一天线扇区中的第一无线设备被连接。 在对应的第一信标周期期间，从连接的第一无线设备接收到第一信标。 在至少一个第一信标周期期间至少扫描第二天线扇区，以便在与第一无线设备保持连接的同时从第二天线扇区中的第二无线设备收听第二信标。 当第二个天线扇区被扫描时，第一个信标不被接收。 响应于初始的第二信标而连接第二无线设备。 然后在对应的第二信标周期期间从连接的第二无线设备接收第二信标，并且在对应的第一信标周期期间接收第一信标。

公开(公告)号：US08537721B2

公开(公告)日：2013-09-17

申请号：US13058009

申请日：2009-08-07

申请人： Maulin D. Patel ,  Richard Chen

发明人： Maulin D. Patel ,  Richard Chen

IPC分类号： H04L12/00 ,  H04J9/00

CPC分类号： H04W72/1257 ,  H04W48/08 ,  H04W72/1278 ,  H04W84/20

摘要： A method (400) for scheduling transmissions of global beacons in a body area network (BAN). The BAN includes master nodes and slave nodes where master nodes are arranged in a tree topology. The method comprises propagating ascending global beacons (AGBs) from leaf nodes to a root node of the tree during an ascending period (S420), wherein an AGB includes at least reservations of time slots during a time round; processing AGBs by the root node to determine time slot occupancy information (S430); propagating descending global beacons (DGBs) from the root node to leaf nodes during a descending period (S440), wherein a DGB includes at least reservations of time slots during the time round; and processing DGBs by master nodes other than the root node to update at least the slot occupancy information included in the DGBs (S450).

摘要翻译： 一种用于调度体区域网络（BAN）中的全球信标传输的方法（400）。 BAN包括主节点和从节点，其中主节点以树形拓扑布置。 该方法包括在升序期间将上升全局信标（AGB）从叶节点传播到树的根节点（S420），其中，AGB至少包括时间段内的时隙预留; 根节点处理AGB以确定时隙占用信息（S430）; 在下降期间从根节点向叶节点传播下降的全球信标（DGB）（S440），其中DGB至少包括时间段内的时隙的预留; 以及除根节点之外的主节点处理DGB以至少更新包含在DGB中的时隙占用信息（S450）。

公开(公告)号：US08493744B2

公开(公告)日：2013-07-23

申请号：US11732543

申请日：2007-04-03

申请人： Qiang Richard Chen

发明人： Qiang Richard Chen

IPC分类号： H05K7/00

CPC分类号： H05K3/3442 ,  H01L27/016 ,  H01L27/13 ,  H05K1/16 ,  H05K3/366 ,  H05K3/403 ,  H05K2201/0317 ,  H05K2201/09954 ,  H05K2201/10045 ,  Y02P70/613

摘要： A device according to various aspects of the present invention generally includes a surface mount device having a top side, a bottom side, a plurality of sidewalls, and a circuit comprising one or more layers. The device includes a first conductive surface covering a portion of one of the sidewalls for providing an input to the circuit, a second conductive surface covering a portion of one of the sidewalls for providing an output from the circuit, and a third conductive surface covering a portion of one of the sidewalls for providing an electrical ground to the circuit. When the surface mount device is mounted to a provided mounting surface, at least one layer of the circuit is orthogonal to the provided mounting surface.

摘要翻译： 根据本发明的各个方面的装置通常包括具有顶侧，底侧，多个侧壁和包括一个或多个层的电路的表面安装装置。 所述装置包括覆盖所述侧壁之一的一部分以提供所述电路的输入的第一导电表面，覆盖所述侧壁之一的一部分以提供来自所述电路的输出的第二导电表面，以及覆盖所述侧壁的第三导电表面 所述侧壁之一的一部分用于向所述电路提供电接地。 当表面安装装置安装到所提供的安装表面时，电路的至少一层与所提供的安装表面正交。

公开(公告)号：US08271737B2

公开(公告)日：2012-09-18

申请号：US12473081

申请日：2009-05-27

申请人： Richard Chen ,  Rex Hsueh ,  Ping Hou

发明人： Richard Chen ,  Rex Hsueh ,  Ping Hou

IPC分类号： G06F13/00

CPC分类号： G06F12/0804 ,  G06F12/0866 ,  G06F2212/214

摘要： A device, system and method in which data in a write cache, that must at some point be written to non-volatile memory, is written to non-volatile memory after expiration of a threshold time period during which no new host commands are received. If either the last dirty entry is written back or a host command is received during the write-back process, the time threshold time period and auto-flush process is restarted.

摘要翻译： 在其中没有接收到新的主机命令的阈值时间段期满之后，将写入高速缓存中必须在某点被写入非易失性存储器的数据写入非易失性存储器的设备，系统和方法。 如果在回写过程中回写最后一个脏条目或接收到主机命令，则会重新启动时间阈值时间段和自动刷新过程。

公开(公告)号：US08098109B2

公开(公告)日：2012-01-17

申请号：US12460989

申请日：2009-07-27

申请人： Qiang Li ,  Shr-Lung Chen ,  Richard Chen

发明人： Qiang Li ,  Shr-Lung Chen ,  Richard Chen

IPC分类号： H03B1/00

CPC分类号： H03B5/1228 ,  H03B5/1215 ,  H03B5/1253 ,  H03B5/1265

摘要： According to one exemplary embodiment, a differential varactor circuit for a voltage controlled oscillator having two differential outputs includes a first varactor having first and second terminals and a second varactor having first and second terminals. In the differential varactor circuit, each of the first and second terminals of the first varactor and each of the first and second terminals of the second varactor are coupled to one of the two differential outputs of the voltage controlled oscillator, thereby allowing a size of each of the first and second varactors to be reduced so as to increase varactor quality factor. Each of the first and second terminals of the first varactor can be coupled to one of the two differential outputs by a capacitor, and each of the first and second terminals of the second varactor can be coupled to one of the two differential outputs by a capacitor.

摘要翻译： 根据一个示例性实施例，用于具有两个差分输出的压控振荡器的差分变容二极管电路包括具有第一和第二端子的第一变容二极管和具有第一和第二端子的第二变容二极管。 在差分变容二极管电路中，第一变容二极管的第一和第二端子和第二变容二极管的第一和第二端子中的每一个耦合到压控振荡器的两个差分输出中的一个，从而允许每个 的第一和第二变容二极管被还原，以增加变容二极管品质因数。 第一变容二极管的第一和第二端子中的每一个可以通过电容器耦合到两个差分输出中的一个，并且第二变容二极管的第一和第二端子中的每一个可以通过电容器耦合到两个差分输出中的一个 。

公开(公告)号：US08005363B2

公开(公告)日：2011-08-23

申请号：US11956556

申请日：2007-12-14

申请人： Yanming Liu ,  Richard Chen

发明人： Yanming Liu ,  Richard Chen

IPC分类号： H04J14/02

CPC分类号： H04J14/0282

摘要： In one embodiment, a passive optical network is provided that includes: an optical line terminal (OLT) configured to transmit a plurality of downstream signals into a corresponding plurality of passive optical networks and to receive a corresponding plurality of upstream signals from the plurality of passive optical networks, wherein each downstream signal is separated in wavelength from the remaining wavelength signals, and wherein each upstream signal is separated in wavelength from the remaining upstream signal; a Mux/Demux configured to multiplex the downstream signals from the OLT into a optical fiber and to demultiplex upstream signals from the optical fibers to the OLT; and a splitter configured to split the downstream signals from the OLT to a plurality of optical network units such that each optical network unit receives the plurality of downstream signals.

摘要翻译： 在一个实施例中，提供了一种无源光网络，其包括：光线路终端（OLT），其被配置为将多个下行信号发送到对应的多个无源光网络中，并且从多个被动方式接收相应的多个上行信号 光网络，其中每个下行信号在波长上与剩余的波长信号分离，并且其中每个上行信号在波长上与剩余的上行信号分离; Mux / Demux，被配置为将来自OLT的下行信号复用到光纤中，并解复用从光纤到OLT的上行信号; 以及分配器，被配置为将来自OLT的下行信号分离成多个光网络单元，使得每个光网络单元接收多个下行信号。