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    • 6. 发明授权
    • Methods to index the preambles in the bandwidth request channel
    • 在带宽请求信道中索引前导码的方法
    • US08204147B2
    • 2012-06-19
    • US12783235
    • 2010-05-19
    • Kaushik JosiamZhouyue PiYing LiHwasun Yoo
    • Kaushik JosiamZhouyue PiYing LiHwasun Yoo
    • H04L27/00
    • H04L5/0048H04L29/0653H04W72/0413H04W74/004
    • For use in a wireless communication network, a mobile station configured to determine a preamble sequence from a set of indexed preamble sequences by generating an index of the preamble sequence from a B-bit message is provided. The mobile station is configured to group the B bits of the message into n groups, each group having a substantially equal number of bits. The mobile station is also configured to generate a parity bit from each of the n groups. The mobile station is further configured to determine the index of the preamble sequence based on the n parity bits. The mobile station is still further configured to transmit the preamble sequence corresponding to the index of the preamble sequence. A base station configured to recover the B-bit message using the received signal from the mobile station is also provided.
    • 为了在无线通信网络中使用,提供了被配置为通过从B比特消息生成前导码序列的索引来从一组索引的前同步码序列中确定前置码序列的移动台。 移动台被配置为将消息的B比特分组为n组,每组具有基本上相等数量的比特。 移动站还被配置为从n个组中的每一个生成奇偶校验位。 移动站还被配置为基于n个奇偶校验位来确定前导码序列的索引。 移动站还被配置为发送与前同步码序列的索引对应的前同步码序列。 还提供了一种被配置为使用来自移动台的接收信号来恢复B比特消息的基站。
    • 7. 发明申请
    • METHODS TO INDEX THE PREAMBLES IN THE BANDWIDTH REQUEST CHANNEL
    • 指引带宽请求通道中的前缀的方法
    • US20110013717A1
    • 2011-01-20
    • US12783235
    • 2010-05-19
    • Kaushik JosiamZhouyue PiYing LiHwasun Yoo
    • Kaushik JosiamZhouyue PiYing LiHwasun Yoo
    • H04L27/00
    • H04L5/0048H04L29/0653H04W72/0413H04W74/004
    • For use in a wireless communication network, a mobile station configured to determine a preamble sequence from a set of indexed preamble sequences by generating an index of the preamble sequence from a B-bit message is provided. The mobile station is configured to group the B bits of the message into n groups, each group having a substantially equal number of bits. The mobile station is also configured to generate a parity bit from each of the n groups. The mobile station is further configured to determine the index of the preamble sequence based on the n parity bits. The mobile station is still further configured to transmit the preamble sequence corresponding to the index of the preamble sequence. A base station configured to recover the B-bit message using the received signal from the mobile station is also provided.
    • 为了在无线通信网络中使用,提供了被配置为通过从B比特消息生成前导码序列的索引来从一组索引的前同步码序列中确定前置码序列的移动台。 移动台被配置为将消息的B比特分组为n组,每组具有基本上相等数量的比特。 移动站还被配置为从n个组中的每一个生成奇偶校验位。 移动站还被配置为基于n个奇偶校验位来确定前导码序列的索引。 移动站还被配置为发送与前同步码序列的索引对应的前同步码序列。 还提供了一种被配置为使用来自移动台的接收信号来恢复B比特消息的基站。
    • 9. 发明授权
    • Methods and apparatus to support base station detection and selection in multi-tier wireless networks
    • 支持多层无线网络中基站检测和选择的方法和装置
    • US08843129B2
    • 2014-09-23
    • US12961334
    • 2010-12-06
    • Ying LiZhouyue PiSudhir RamakrishnaBaowei Ji
    • Ying LiZhouyue PiSudhir RamakrishnaBaowei Ji
    • H04W24/00H04W36/00H04W84/04
    • H04W36/0061H04W84/045
    • A subscriber station can efficiently determine an accessible base station by scanning a subset of base stations based on an optimized list received from a serving base station. The subscriber station includes a white list that contains information regarding a number of closed subscriber group (CSG) base stations to which the subscriber station is subscribed. The subscriber station can transmit a request message that includes one or more of: indication of whether the detected identifier of the femto base station is in the whitelist or not; and its location information. In response, the base station can send a message that includes the nearby femtocells and whether the femtocell is accessible or inaccessible to the subscriber station. The femto base station can be designed to be in transmission off mode when none of its subscribers is in its coverage. The serving base station can select a set of the accessible femtocells to the subscriber station, and request the selected femtocells to monitor an uplink signaling of the subscriber station so that the femtocell can be awaken when the femtocell is in transmission off mode or be aware that the subscriber station is in proximity, if the uplink signaling is detected.
    • 用户站可以基于从服务基站接收到的优化列表来扫描基站的子集,来有效地确定可访问的基站。 用户站包括白名单,其包含关于用户台订阅的封闭用户组(CSG)基站的数量的信息。 用户台可以发送包括以下中的一个或多个的请求消息:毫微微基站的检测到的标识符是否在白名单中的指示; 及其位置信息。 作为响应,基站可以发送包括附近的毫微微小区的消息以及毫微微小区是否可访问或用户台不可访问。 当毫微微基站的用户没有覆盖时,毫微微基站可以被设计为处于传输关闭模式。 服务基站可以向用户台选择一组可访问的毫微微小区,并且请求所选择的毫微微小区监视用户站的上行链路信令,以便当毫微微小区处于传输关闭模式时可以唤醒毫微微小区,或者意识到 如果检测到上行链路信令,则用户站处于接近状态。