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    • 21. 发明申请
    • System and method for distributing wireless network access parameters
    • 用于分发无线网络接入参数的系统和方法
    • US20070070935A1
    • 2007-03-29
    • US11238811
    • 2005-09-28
    • Rajat PrakashNikhil Jain
    • Rajat PrakashNikhil Jain
    • H04Q7/00
    • H04L63/102H04L63/18H04W8/26H04W12/08H04W28/06H04W28/18H04W48/14H04W48/18H04W52/38H04W52/50H04W76/10H04W84/12H04W88/06
    • A system and method are provided for distributing wireless network access parameters in a multi-mode communications user terminal (UT). The method includes: establishing a link between a UT and a first communications network (i.e., a cellular network); accessing a parameters server via the first network; downloading access parameters for a wireless, second communications network (i.e., a Wireless Local Area Network); and, using the downloaded access parameters to establish a wireless link between the UT and the second communications network. The downloaded access parameters may include information such as a security key, Service Set IDentifier (SSID), traffic channel allocation, and optimization parameters including transmit power, quality of service (QoS) settings, and operational mode. Alternately, the database may cross-reference UT ID to parameters such as QoS, IP address, gateway information, subnet mask, Domain Name Server (DNS) information, or geographical location.
    • 提供了一种用于在多模式通信用户终端(UT)中分发无线网络接入参数的系统和方法。 该方法包括:在UT与第一通信网络(即,蜂窝网络)之间建立链路; 经由第一网络访问参数服务器; 下载用于无线第二通信网络(即,无线局域网)的接入参数; 并且使用下载的接入参数来建立UT与第二通信网络之间的无线链路。 下载的访问参数可以包括诸如安全密钥,服务集标识符(SSID),业务信道分配以及包括传输功率,服务质量(QoS)设置和操作模式)的优化参数的信息。 或者,数据库可以将UT ID交叉参考诸如QoS,IP地址,网关信息,子网掩码,域名服务器(DNS)信息或地理位置等参数。
    • 22. 发明授权
    • Connection setup using flexible protocol configuration
    • 连接设置使用灵活的协议配置
    • US07990998B2
    • 2011-08-02
    • US11087187
    • 2005-03-22
    • Rajat PrakashGavin Bernard HornNikhil JainRamin Rezaiifar
    • Rajat PrakashGavin Bernard HornNikhil JainRamin Rezaiifar
    • H04L12/42
    • H04L12/2898H04L63/0428H04L63/06H04L63/08H04L67/04H04L67/34H04L69/24H04W28/18H04W76/10
    • A user terminal establishes a session with a first access point (AP0) and obtains a token associated with modem configuration information used for radio communication. The user terminal thereafter establishes a connection with a second access point (AP1) by sending the token. AP1 receives the token, obtains the modem configuration information associated with the token, and initializes an air interface protocol stack with the modem configuration information to obtain a modem-specific protocol stack for the user terminal. AP1 sends a response indicating successful connection setup. The user terminal and AP1 thereafter communicate in accordance with the modem-specific protocol stack. AP1 may attempt to fetch the session for the user terminal from AP0. If this is successful, then AP1 updates the protocol stack with the session information to obtain a complete protocol stack for the user terminal. The user terminal and AP1 thereafter communicate with the complete protocol stack.
    • 用户终端与第一接入点(AP0)建立会话,并且获得与用于无线电通信的调制解调器配置信息相关联的令牌。 用户终端随后通过发送令牌建立与第二接入点(AP1)的连接。 AP1接收令牌,获取与令牌相关联的调制解调器配置信息,并用调制解调器配置信息初始化空中接口协议栈,以获得用户终端的调制解调器专用协议栈。 AP1发送一个响应,指示连接建立成功。 用户终端和AP1此后根据调制解调器专用协议栈进行通信。 AP1可以尝试从AP0获取用户终端的会话。 如果这样成功,则AP1使用会话信息更新协议栈,以获得用户终端的完整协议栈。 用户终端和AP1此后与完整的协议栈进行通信。
    • 23. 发明授权
    • System and method for distributing wireless network access parameters
    • 用于分发无线网络接入参数的系统和方法
    • US07653037B2
    • 2010-01-26
    • US11238811
    • 2005-09-28
    • Rajat PrakashNikhil Jain
    • Rajat PrakashNikhil Jain
    • H04W4/00
    • H04L63/102H04L63/18H04W8/26H04W12/08H04W28/06H04W28/18H04W48/14H04W48/18H04W52/38H04W52/50H04W76/10H04W84/12H04W88/06
    • A system and method are provided for distributing wireless network access parameters in a multi-mode communications user terminal (UT). The method includes: establishing a link between a UT and a first communications network (i.e., a cellular network); accessing a parameters server via the first network; downloading access parameters for a wireless, second communications network (i.e., a Wireless Local Area Network); and, using the downloaded access parameters to establish a wireless link between the UT and the second communications network. The downloaded access parameters may include information such as a security key, Service Set IDentifier (SSID), traffic channel allocation, and optimization parameters including transmit power, quality of service (QoS) settings, and operational mode. Alternately, the database may cross-reference UT ID to parameters such as QoS, IP address, gateway information, subnet mask, Domain Name Server (DNS) information, or geographical location.
    • 提供了一种用于在多模式通信用户终端(UT)中分发无线网络接入参数的系统和方法。 该方法包括:在UT与第一通信网络(即,蜂窝网络)之间建立链路; 经由第一网络访问参数服务器; 下载用于无线第二通信网络(即,无线局域网)的接入参数; 并且使用下载的接入参数来建立UT与第二通信网络之间的无线链路。 下载的访问参数可以包括诸如安全密钥,服务集标识符(SSID),业务信道分配以及包括传输功率,服务质量(QoS)设置和操作模式)的优化参数的信息。 或者,数据库可以将UT ID交叉参考诸如QoS,IP地址,网关信息,子网掩码,域名服务器(DNS)信息或地理位置等参数。
    • 25. 发明申请
    • Handoffs in a wireless local area network
    • 无线局域网中的切换
    • US20070076662A1
    • 2007-04-05
    • US11240901
    • 2005-09-30
    • Nikhil JainRajat Prakash
    • Nikhil JainRajat Prakash
    • H04Q7/00
    • H04W36/26H04W36/30
    • The disclosure is directed to a mobile communication device, and method for handing off a mobile communications device between access points in a Wireless Local Area Network (WLAN). The mobile communications device includes a processor configured to access a database having service quality information for access points in a WLAN, the processor being further configured to use the service quality information in the database to make handoff decisions between the access points. The mobile communications device also includes a transceiver configured to handoff the mobile communications device between the access points based on the handoff decisions made by the processor. The database may be located on a server connected to an IP network, the mobile communications device, or any other suitable location within the WLAN.
    • 本公开涉及一种用于在无线局域网(WLAN)中的接入点之间切换移动通信设备的移动通信设备和方法。 移动通信设备包括:处理器,被配置为访问具有用于WLAN中的接入点的服务质量信息的数据库,所述处理器还被配置为使用所述数据库中的所述服务质量信息来在所述接入点之间进行切换决定。 移动通信设备还包括收发器,其被配置为基于由处理器进行的切换决定来切换接入点之间的移动通信设备。 数据库可以位于连接到IP网络,移动通信设备或WLAN内的任何其他合适位置的服务器上。
    • 26. 发明授权
    • System for compensating for I/Q impairments in wireless communication system
    • 用于补偿无线通信系统中I / Q损伤的系统
    • US09088472B1
    • 2015-07-21
    • US14591930
    • 2015-01-08
    • Nikhil JainArvind KaushikPeter Z. RashevAmrit P. Singh
    • Nikhil JainArvind KaushikPeter Z. RashevAmrit P. Singh
    • H04L25/49H04L27/36H03F1/32
    • H04L27/364H03F1/3247H03F3/24H04L27/368H04L27/3863
    • A system for reducing in-phase and quadrature-phase (I/Q) impairments includes first, second, third, and fourth programmable registers for storing respective first, second, third, and fourth values, first and second finite impulse response (FIR) filters having respective first and second sets of filter taps, and first and second adders. The first FIR filter receives an I input signal and generates first and second intermediate output signals based on the first and second values for I and Q channels, respectively. The second FIR filter receives a Q input signal and generates third and fourth intermediate output signals based on the third and fourth values for the I and Q channels, respectively. The first and second adders receive the first and second, and the third and fourth intermediate output signals, respectively, and generate compensated I and Q output signals for the I and Q channels.
    • 用于减小同相和正交相位(I / Q)损伤的系统包括用于存储相应的第一,第二,第三和第四值的第一,第二,第三和第四可编程寄存器,第一和第二有限脉冲响应(FIR) 滤波器具有相应的第一和第二组滤波器抽头,以及第一和第二加法器。 第一FIR滤波器接收I输入信号,并且基于I和Q通道的第一和第二值分别产生第一和第二中间输出信号。 第二FIR滤波器接收Q输入信号,并且分别基于I和Q通道的第三和第四值产生第三和第四中间输出信号。 第一和第二加法器分别接收第一和第二以及第三和第四中间输出信号,并产生用于I和Q通道的补偿的I和Q输出信号。
    • 27. 发明授权
    • Multi-hop wireless mesh network medium access control protocol
    • 多跳无线网状网络介质访问控制协议
    • US08576872B2
    • 2013-11-05
    • US11548561
    • 2006-10-11
    • Avneesh AgrawalDavid Jonathan JulianNikhil Jain
    • Avneesh AgrawalDavid Jonathan JulianNikhil Jain
    • H04L12/413
    • H04W74/0816H04W52/325H04W72/0406H04W74/0808H04W84/18
    • Systems and methodologies are described that facilitate mitigating a hidden node condition in a wireless mesh network wherein nodes utilize a request-to-send/clear-to-send (RTS/CTS) protocol in conjunction with an asynchronous hybrid automatic repeat request protocol. For instance, a node may contend for a set of subcarriers by sending an RTS signal over the desired subcarriers, and may receive a CTS signal over the contended subcarriers, wherein the CTS signal indicates which subcarriers the node may transmit data over. If another node has won the contention for a particular subcarrier, requesting node may adjust a power level at which it transmits an RTS or a data packet in order to permit the requesting node to utilize the subcarrier without interfering with the winning node.
    • 描述了有助于减轻无线网状网络中的隐藏节点条件的系统和方法,其中节点结合异步混合自动重复请求协议利用请求发送/清除发送(RTS / CTS)协议。 例如,节点可以通过在期望的子载波上发送RTS信号来竞争一组子载波,并且可以在竞争的子载波上接收CTS信号,其中CTS信号指示节点可以传送数据的哪些子载波。 如果另一个节点已经赢得了特定子载波的争用,则请求节点可以调整其发送RTS或数据分组的功率电平,以便允许请求节点利用子载波而不干扰获胜节点。
    • 29. 发明申请
    • CONTENT DELIVERY USING MULTIPLE SOURCES OVER HETEROGENEOUS INTERFACES
    • 内容交付使用多个源在异质接口
    • US20120124173A1
    • 2012-05-17
    • US12946829
    • 2010-11-15
    • Pradipta DeNikhil JainShivkumar KalanaramanVenkateswara R. Madduri
    • Pradipta DeNikhil JainShivkumar KalanaramanVenkateswara R. Madduri
    • G06F15/16G06F17/30
    • H04L67/06H04L45/00H04L67/2814H04L67/288H04L69/14
    • Provided is a system for the distribution of data, comprising a data server comprising a processor, a computer-readable storage medium coupled to the data server, a plurality of proxy servers, each with a plurality of network interfaces, a file of digital content, comprising a plurality of chunks, wherein copies of each chunk are stored on two or more of the proxy servers and the digital server; and logic, stored on the computer-readable storage medium and executed on the processor, for receiving a request for the digital file from a client device, for generating a proxy list for each chunk, comprising information identifying the two or more proxy servers on which the copies of the chunks are stored, and information corresponding to network interfaces associated with the two or more proxy servers on which the copies are stored; and for transmitting the proxy list to the client device to enable the client device to select two or more proxy servers on which the copies are stored and simultaneously download the two or more of the chunks utilizing two or more proxy servers and two or more network interfaces.
    • 提供了一种用于数据分发的系统,包括数据服务器,其包括处理器,耦合到数据服务器的计算机可读存储介质,多个代理服务器,每个代理服务器具有多个网络接口,数字内容文件, 包括多个块,其中每个块的副本被存储在两个或多个代理服务器和数字服务器上; 和逻辑,存储在计算机可读存储介质上并在处理器上执行,用于从客户端设备接收对数字文件的请求,用于为每个块生成代理列表,包括标识两个或多个代理服务器的信息, 存储块的副本,以及与存储副本的两个或更多个代理服务器相关联的网络接口的信息; 并且用于将所述代理列表发送到所述客户端设备以使得所述客户端设备能够选择存储所述副本的两个或更多个代理服务器,并且使用两个或多个代理服务器和两个或多个网络接口同时下载所述两个或更多个组块 。