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    • 1. 发明申请
    • Method of controlling overload over the reverse link
    • 通过反向链路控制过载的方法
    • US20050026624A1
    • 2005-02-03
    • US10632065
    • 2003-07-31
    • Asif GandhiFrances JiangMathew ThomasStanley Vitebsky
    • Asif GandhiFrances JiangMathew ThomasStanley Vitebsky
    • H04W28/12H04W74/08H04Q7/00
    • H04W28/12H04W74/08
    • A method of wireless communication over the reverse link. The method may include evaluating a reverse link loading. This evaluation step may involve examining at least two resources associated with reverse link loading within a first time period. Thereafter, a message is broadcast containing information regarding the availability of resources. This message is generated in response to the evaluated reverse link loading. This availability of resources message may correspond with an overload condition, increasing a number of active connections, decreasing the number of active connections, increasing an available transmit rate, maintaining the available transmit rate and/or decreasing the available transmit rate. In one example, the availability of resources message comprises a reverse activity bit.
    • 一种通过反向链路进行无线通信的方法。 该方法可以包括评估反向链路负载。 该评估步骤可以包括在第一时间段内检查与反向链路加载相关联的至少两个资源。 此后,广播包含关于资源可用性的信息的消息。 响应于所评估的反向链路加载而产生该消息。 资源消息的这种可用性可以对应于过载状况,增加活动连接的数量,减少活动连接的数量,增加可用的传输速率,维持可用传输速率和/或减小可用传输速率。 在一个示例中,资源消息的可用性包括反向活动比特。
    • 2. 发明授权
    • Method of controlling overload over the reverse link
    • 通过反向链路控制过载的方法
    • US07565152B2
    • 2009-07-21
    • US10632065
    • 2003-07-31
    • Asif D GandhiFrances JiangMathew ThomasStanley Vitebsky
    • Asif D GandhiFrances JiangMathew ThomasStanley Vitebsky
    • H04W72/00
    • H04W28/12H04W74/08
    • A method of wireless communication over the reverse link. The method may include evaluating a reverse link loading. This evaluation step may involve examining at least two resources associated with reverse link loading within a first time period. Thereafter, a message is broadcast containing information regarding the availability of resources. This message is generated in response to the evaluated reverse link loading. This availability of resources message may correspond with an overload condition, increasing a number of active connections, decreasing the number of active connections, increasing an available transmit rate, maintaining the available transmit rate and/or decreasing the available transmit rate. In one example, the availability of resources message comprises a reverse activity bit.
    • 一种通过反向链路进行无线通信的方法。 该方法可以包括评估反向链路负载。 该评估步骤可以包括在第一时间段内检查与反向链路加载相关联的至少两个资源。 此后,广播包含关于资源可用性的信息的消息。 响应于所评估的反向链路加载而产生该消息。 资源消息的这种可用性可以对应于过载状况,增加活动连接的数量,减少活动连接的数量,增加可用的传输速率,维持可用传输速率和/或减小可用传输速率。 在一个示例中,资源消息的可用性包括反向活动比特。
    • 3. 发明授权
    • Method of scheduling a quality of service level in a high data rate system
    • 在高数据速率系统中调度服务质量水平的方法
    • US06925057B2
    • 2005-08-02
    • US09731213
    • 2000-12-06
    • Terry Si-Fong ChengFrances JiangStanley Vitebsky
    • Terry Si-Fong ChengFrances JiangStanley Vitebsky
    • H04L12/56G01R31/08
    • H04W72/1231H04L47/10H04L47/14H04L47/15H04L47/24H04L47/70H04L47/788H04L47/805H04L47/824
    • The present invention is a method for selectively providing, on demand, a Quality of Service level to an end user's data transmitted from a base station to a mobile station of a High Data Rate system. In the disclosed method, a data base is established which contains the Quality of Service level selected by a mobile user from a plurality of levels for data to be transmitted from the base station to the mobile station. Using the reverse link, an end user at a mobile notifies the base station that it is ready to receive data and specifies the rate at which the data is to be sent. Upon receipt of the request for data from the mobile terminal, the base station accesses and runs a scheduler which determines which user's data is to be transmitted next. For each end user, the scheduler divides the requested data rate by the average rate of data received by the mobile during a specific interval and then combines by adding or multiplying the result with the Quality of Service level requested by the end user for data. The end user that has the greatest final result is normally selected to next receive data. The scheduler then conditions the base station to transmit data to the identified mobile station at the requested rate and selected Quality of Service level.
    • 本发明是一种用于根据需要有选择地向从基站发送到高数据速率系统的移动台的最终用户数据提供服务质量水平的方法。 在所公开的方法中,建立了一个数据库,其中包含由移动用户从基站到移动站发送的数据的多个级别选择的服务质量等级。 使用反向链路,移动终端用户通知基站已准备好接收数据,并指定要发送数据的速率。 在接收到来自移动终端的数据请求时,基站接入并运行调度器,该调度器确定接下来要发送哪个用户的数据。 对于每个最终用户,调度器将所请求的数据速率除以移动台在特定间隔期间接收的平均数据速率,然后通过将结果与最终用户为数据请求的服务质量等级相加或相乘而组合。 通常选择具有最大最终结果的最终用户接下来接收数据。 然后,调度器使基站根据所请求的速率和所选择的服务质量级别对所识别的移动台进行数据传输。
    • 4. 发明授权
    • Dynamic reverse link rate limit algorithm for high data rate system
    • US06999425B2
    • 2006-02-14
    • US09732454
    • 2000-12-07
    • Terry Si-Fong ChengFrances JiangStanley Vitebsky
    • Terry Si-Fong ChengFrances JiangStanley Vitebsky
    • H04Q7/00H04J3/22
    • H04L1/0002H04W28/22
    • A method for determining the reverse link data Rate Limit for mobile stations active on the reverse link of a High Data Rate system is disclosed. In the ideal case, the Rate Limit is based on only the number of mobile stations located in a common sector that are actually active on the reverse link. Currently, the Rate Limit is determined from the total number of mobile stations in a common sector where the total includes mobiles that are transmitting and receiving. Thus, the current method includes mobile stations that are active on the forward link and may not be active on the reverse link. In this invention, a more optimum method of estimating the reverse link loading is obtained from calculations which includes only the mobile stations which are active on the reverse link. An estimate of the reverse link loading of the mobile stations in a common cell is obtained by adding together the data rates of the data sent from each mobile in a common sector during a common frame. This aggregate rate of data during the frame is filtered to minimize irregularities by using the moving average of an infinite impulse response filter and then normalized. The normalized result is a percentage of the maximum achievable aggregate reverse link rate. The final result is compared with a set of threshold values to obtain the maximum Rate Limit that is then set for each mobile station.
    • 8. 发明授权
    • Method and system for controlling access of a subscriber station to a wireless system
    • 用于控制用户台到无线系统的接入的方法和系统
    • US06944449B1
    • 2005-09-13
    • US09580648
    • 2000-05-30
    • Asif Dawoodi GandhiJoe HuangMarc Benedict IbanezLei SongMathew ThomasStanley Vitebsky
    • Asif Dawoodi GandhiJoe HuangMarc Benedict IbanezLei SongMathew ThomasStanley Vitebsky
    • H04W72/08H04Q7/38
    • H04W72/085
    • A method for controlling access of a subscriber station to a wireless communications system facilitates the maintenance of a performance target of the reverse link and desired geographic coverage of the reverse link. The method for controlling access of a subscriber station to a wireless communications system includes measuring a first performance indicator and a second performance indicator for a reverse link associated with a subscriber station seeking access to a wireless communications system. A blocking threshold value is established based upon the measured second performance indicator and may be adjusted to allow more or less blocking based on any additional metrics that characterize the performance of the current subscriber stations. The decision to grant or deny access of the subscriber station to the wireless communications system is determined based on a comparison of the measured first performance indicator to the established blocking threshold value.
    • 用于控制用户台对无线通信系统的接入的方法有助于维护反向链路的性能目标和反向链路的所需地理覆盖。 用于控制用户站对无线通信系统的接入的方法包括测量与寻求接入无线通信系统的用户站相关联的反向链路的第一性能指示符和第二性能指示符。 基于测量的第二性能指标建立阻塞阈值,并且可以基于表征当前用户站的性能的任何附加度量来调整以允许更多或更少的阻塞。 基于所测量的第一性能指示符与建立的阻塞阈值的比较来确定向用户站授予或拒绝对无线通信系统的访问的决定。
    • 9. 发明授权
    • Method and apparatus for controlling reverse link interference rise and power control instability in a wireless system
    • US06968201B1
    • 2005-11-22
    • US09413036
    • 1999-10-06
    • Asif D. GandhiLei SongMathew ThomasStanley Vitebsky
    • Asif D. GandhiLei SongMathew ThomasStanley Vitebsky
    • H04B7/005H04B7/26H04Q7/20
    • H04W52/146H04W52/24
    • A system and a method for reverse link power control in a wireless communications network generates power adjust commands for mobiles being served by a network base station in a centralized manner by considering overall system performance when an increased interference condition is detected. In one implementation, a base station power control processor adopts a modified reverse inner loop power control (RILPC) and/or a reverse outer loop power control (ROLPC) algorithm when an increased interference condition is detected. According to the modified RILPC algorithm, a percentage of power-up adjust commands which would normally be generated when Eb/No measurements for served mobiles do not meet target Eb/No levels are converted to power down-adjust commands, thereby forcing some mobiles to reduce transmit power, at least temporarily, to constrain interference. When the increased interference condition persists, the percentage of power-up adjust commands which are converted to power-down commands may be changed. According to the modified ROLPC algorithm, the power control processor adjusts target Eb/No levels in a centralized manner based on an overall system state so that only a limited number of target Eb/No levels are allowed to increase when frame erasures occur. By preventing a percentage of target Eb/No level increases, at least temporarily, when frame erasures occur, a percentage of power up-adjust commands are avoided. Therefore, a similar effect to that achieved by the modified RILPC is achieved. In accordance with still a further implementation of the present invention, the modified RILPC algorithm may be used in combination with the modified ROLPC algorithm to provide greater resistance to increased interference conditions.