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    • 71. 发明授权
    • Radio network environment, reducing interference among overlapping cells
    • 无线网络环境,减少重叠小区间的干扰
    • US08254937B2
    • 2012-08-28
    • US13414812
    • 2012-03-08
    • Ning XuJin Yang
    • Ning XuJin Yang
    • H04W36/00H04W72/00H04W4/00H04B7/212
    • H04W72/082H04W16/02H04W72/0426H04W72/0453H04W84/045
    • Disclosed is a method for a femtocell to reduce interference with an overlapping macrocell. The femtocell determines soft-frequency-reuse (“SFR”) information of the macrocell. From that information, the femtocell determines which frequency sub-channels are assigned by the macrocell for its cell-center users and which frequency sub-channels are assigned for cell-edge users. (Cell-edge users are given a higher transmission power profile in order to overcome potential interference with neighboring macrocells.) Then, the femtocell selects from the cell-center user frequency sub-channels for transmission to the femtocell's users. By transmitting on the cell-center user frequency sub-channels, the femtocell reduces interference with the overlapping macrocell. The femtocell continues to update its knowledge of the macrocell's SFR information and re-assigns frequency sub-channels as the SFR changes. If the macrocell detects that one of its cell-center users is “close enough” to the femtocell, then the macrocell re-assigns the cell-center user as a cell-edge user to overcome interference.
    • 公开了一种用于毫微微小区减少与重叠宏小区的干扰的方法。 毫微微小区确定宏小区的软频率重用(“SFR”)信息。 从该信息中,毫微微小区确定宏小区为其小区中心用户分配哪些频率子信道,哪些频率子信道被分配给小区边缘用户。 (为了克服与相邻宏小区的潜在干扰,小区边缘用户被给予更高的发射功率分布。)然后,毫微微小区从小区中心用户频率子信道中选择发送给毫微微小区的用户。 通过在小区中心用户频率子信道上进行发送,毫微微小区减少与重叠宏小区的干扰。 毫微微小区继续更新其对宏小区的SFR信息的知识,并且随着SFR改变而重新分配频率子信道。 如果宏小区检测到其小区中心用户之一对于毫微微小区“足够”,则宏小区重新分配小区中心用户作为小区边缘用户以克服干扰。
    • 73. 发明授权
    • In a radio network environment, reducing interference among overlapping cells
    • 在无线电网络环境中,减少重叠小区之间的干扰
    • US08160591B2
    • 2012-04-17
    • US12534995
    • 2009-08-04
    • Ning XuJin Yang
    • Ning XuJin Yang
    • H04W36/00H04W40/00H04W4/00
    • H04W72/082H04W16/02H04W72/0426H04W72/0453H04W84/045
    • Disclosed is a method for a femtocell to reduce interference with an overlapping macrocell. The femtocell determines soft-frequency-reuse (“SFR”) information of the macrocell. From that information, the femtocell determines which frequency sub-channels are assigned by the macrocell for its cell-center users and which frequency sub-channels are assigned for cell-edge users. (Cell-edge users are given a higher transmission power profile in order to overcome potential interference with neighboring macrocells.) Then, the femtocell selects from the cell-center user frequency sub-channels for transmission to the femtocell's users. By transmitting on the cell-center user frequency sub-channels, the femtocell reduces interference with the overlapping macrocell. The femtocell continues to update its knowledge of the macrocell's SFR information and re-assigns frequency sub-channels as the SFR changes. If the macrocell detects that one of its cell-center users is “close enough” to the femtocell, then the macrocell re-assigns the cell-center user as a cell-edge user to overcome interference.
    • 公开了一种用于毫微微小区减少与重叠宏小区的干扰的方法。 毫微微小区确定宏小区的软频率重用(“SFR”)信息。 从该信息中,毫微微小区确定宏小区为其小区中心用户分配哪些频率子信道,哪些频率子信道被分配给小区边缘用户。 (为了克服与相邻宏小区的潜在干扰,小区边缘用户被给予更高的发射功率分布。)然后,毫微微小区从小区中心用户频率子信道中选择发送给毫微微小区的用户。 通过在小区中心用户频率子信道上进行发送,毫微微小区减少与重叠宏小区的干扰。 毫微微小区继续更新其对宏小区的SFR信息的知识,并且随着SFR改变而重新分配频率子信道。 如果宏小区检测到其小区中心用户之一对于毫微微小区“足够”,则宏小区重新分配小区中心用户作为小区边缘用户以克服干扰。
    • 74. 发明申请
    • ADVANCED ADMISSION CONTROL OVER ALL INTERNET PROTOCOL (IP) WIRELESS ACCESS NETWORKS
    • 所有互联网协议(IP)无线接入网络的高级接纳控制
    • US20120051235A1
    • 2012-03-01
    • US12862447
    • 2010-08-24
    • Lalit R. KotechaSergio AguirreJin YangYee Sin Chan
    • Lalit R. KotechaSergio AguirreJin YangYee Sin Chan
    • H04L12/26
    • H04W76/50
    • A device receives a priority configuration for a subscriber associated with a user device, and monitors resource utilization information associated with an Internet protocol (IP) wireless access network of the user device. The device also detects an initial attach request of the user device to the IP wireless access network, and determines whether to accept or deny the initial attach request based on the subscriber priority configuration and the resource utilization information. The device further provides, to the user device and when the initial attach request is denied, a time for the user device to attempt a re-attach to the IP wireless access network, and permits, when the initial attach request is accepted, the user device to access the IP wireless access network.
    • 设备接收与用户设备相关联的用户的优先级配置,并且监视与用户设备的因特网协议(IP)无线接入网络相关联的资源利用信息。 该设备还检测用户设备的初始附加请求到IP无线接入网络,并且基于用户优先级配置和资源利用信息来确定是接受还是拒绝初始附着请求。 该设备还向用户设备提供并且当初始附加请求被拒绝时,用户设备尝试重新附加到IP无线接入网络的时间,并且当初始附加请求被接受时允许用户 设备访问IP无线接入网络。
    • 78. 发明授权
    • Method and apparatus for telecommunications using internet protocol
    • 使用互联网协议的电信方法和装置
    • US07154881B2
    • 2006-12-26
    • US10706730
    • 2003-11-11
    • Jin Yang
    • Jin Yang
    • H04L12/66
    • H04M7/006H04L29/06H04L65/103H04L65/104H04L69/04H04L69/16H04L69/161H04L69/22H04L69/28H04W28/06
    • In a wireless packet switching telecommunications network, voice services are provided by having a compressor/decompressor in each mobile station to provide each voice packet with a compressed header. Voice data and signalling data are sent separately and in different data formats to the air interface. The compressed header may be an M bit and a cyclically reset timeclick_number, which is decompressed by use of a wallclock which counts reset cycles to reinstate the voice packet headers. Alternatively, RTP agents are provided at the compression and decompression points, and voice packets are sent without headers over a “high quality” network such as a frame relay or ATM network. Compression state of a voice packet header can be established by sending call setup information over an out-of-band channel between compression points in a mobile station and in the network.
    • 在无线分组交换电信网络中,通过在每个移动站中具有压缩器/解压缩器来为每个语音分组提供压缩报头来提供语音服务。 语音数据和信令数据分别以不同的数据格式发送到空中接口。 压缩报头可以是M位和周期性复位的时间戳数,其通过使用计时复位周期来恢复语音分组报头的挂钟解压缩。 或者,在压缩和解压缩点处提供RTP代理,并且在诸如帧中继或ATM网络的“高质量”网络上发送没有报头的语音分组。 可以通过在移动台和网络中的压缩点之间的带外信道上发送呼叫建立信息来建立语音分组报头的压缩状态。
    • 79. 发明授权
    • Inhibiting handover to a new serving GPRS support node during a real-time call in a telecommunication system
    • 在电信系统的实时呼叫期间禁止切换到新的服务GPRS支持节点
    • US06928284B2
    • 2005-08-09
    • US09788898
    • 2001-02-20
    • Sudeep Kumar PalatHatef YaminiJin Yang
    • Sudeep Kumar PalatHatef YaminiJin Yang
    • H04W36/10H04W36/12H04W76/04H04W88/14H04Q7/20
    • H04W36/10H04W36/12H04W76/20H04W88/14
    • A mobile telephone system providing general packet radio service (GPRS) includes a radio network controller (RNC) (2A) and/or a base station controller (BSC) and an associated serving GPRS support node (10A) for each domain. The RNCs (2A) and the SGSNs (10A) are interconnected by an Internet protocol (IP) network. When a mobile telephone (6A) moves from one domain to another, the RNC, in the new domain, takes over handling the mobile telephone. The current SGSN (10A) has a detector (20) which detects whether the existing transmission is a real-time transmission and, if it is, a diverter (22) comes into operation to couple the RNC in the new domain to the current SGSN (10A) rather than its associated SGSN (10A). When the call ends, the current SGSN (10A) hands-over the call to the SGSN (10A) in the new domain. This procedure ensures minimal interruption to real-time services by keeping the call anchored to the current SGSN (10A).
    • 提供通用分组无线电业务(GPRS)的移动电话系统包括用于每个域的无线电网络控制器(RNC)(A A)和/或基站控制器(BSC)和相关联的服务GPRS支持节点(10A)。 RNC(2A)和SGSN(10A)通过因特网协议(IP)网络互连。 当移动电话(6A)从一个域移动到另一个域时,新域中的RNC接管移动电话。 当前SGSN(10A)具有检测器(20),其检测现有传输是否是实时传输,并且如果是,则转向器(22)进入操作以将新域中的RNC耦合到当前 SGSN(10A)而不是其相关联的SGSN(10A)。 当呼叫结束时,当前SGSN(10A)将新呼叫转移到新的域中的SGSN(10A)。 该过程通过将呼叫保持到当前SGSN(10A)来确保对实时业务的最小中断。