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    • 1. 发明授权
    • Methods and apparatus for communicating backlog related information
    • 用于传递积压相关信息的方法和装置
    • US09119220B2
    • 2015-08-25
    • US11610189
    • 2006-12-13
    • Arnab DasSundeep RanganYunus HussainSamel Celebi
    • Arnab DasSundeep RanganYunus HussainSamel Celebi
    • H04B1/04H04W72/12
    • H04W72/1284H04W72/1221H04W72/1252
    • Methods and apparatus for efficient communication of backlog information, e.g., backlog information indicating amounts of uplink traffic waiting to transmitted by a wireless terminal are described. Delta backlog reports are used in addition to absolute backlog reports, thus reducing control signaling overhead, at least some information communicated in a delta backlog report being referenced with respect to a previously transmitted backlog report. A base station uses received backlog information from wireless terminals in determining scheduling of uplink traffic channel segments In some embodiments, the absolute backlog report uses a first fixed size report format, while the delta backlog report using a second fixed size report format, said second size being different from said first fixed size.
    • 描述了用于积压信息的有效通信的方法和装置,例如指示等待由无线终端发送的上行链路业务量的积压信息。 除了绝对的积压报告之外,还使用了增量积压报告,从而减少了控制信号开销,至少在以前发送的积压报告中引用的增量积压报告中传达的至少一些信息。 基站在确定上行链路业务信道段的调度中使用来自无线终端的接收的积压信息。在一些实施例中,绝对积压报告使用第一固定大小报告格式,而使用第二固定大小报告格式的差异积压报告,所述第二大小 与所述第一固定尺寸不同。
    • 5. 发明申请
    • METHODS AND APPARATUS FOR COMMUNICATING BACKLOG RELATED INFORMATION
    • 用于通信背景相关信息的方法和装置
    • US20070258365A1
    • 2007-11-08
    • US11610189
    • 2006-12-13
    • Arnab DASSundeep RanganYunus HussainSamel Celebi
    • Arnab DASSundeep RanganYunus HussainSamel Celebi
    • H04J3/14
    • H04W72/1284H04W72/1221H04W72/1252
    • Methods and apparatus for efficient communication of backlog information, e.g., backlog information indicating amounts of uplink traffic waiting to transmitted by a wireless terminal are described. Delta backlog reports are used in addition to absolute backlog reports, thus reducing control signaling overhead, at least some information communicated in a delta backlog report being referenced with respect to a previously transmitted backlog report. A base station uses received backlog information from wireless terminals in determining scheduling of uplink traffic channel segments In some embodiments, the absolute backlog report uses a first fixed size report format, while the delta backlog report using a second fixed size report format, said second size being different from said first fixed size.
    • 描述了用于积压信息的有效通信的方法和装置,例如指示等待由无线终端发送的上行链路业务量的积压信息。 除了绝对的积压报告之外,还使用了增量积压报告,从而减少了控制信号开销,至少在以前发送的积压报告中引用的增量积压报告中传达的至少一些信息。 基站在确定上行链路业务信道段的调度中使用来自无线终端的接收的积压信息。在一些实施例中,绝对积压报告使用第一固定大小报告格式,而使用第二固定大小报告格式的差异积压报告,所述第二大小 与所述第一固定尺寸不同。
    • 8. 发明授权
    • Dithering scheme using multiple antennas for OFDM systems
    • OFDM系统使用多个天线的抖动方案
    • US07529177B2
    • 2009-05-05
    • US10229673
    • 2002-08-28
    • Samel CelebiJie SongPaul M. Yun
    • Samel CelebiJie SongPaul M. Yun
    • H04B1/00H04J11/00
    • H04B7/0682H04B7/0671H04B7/18517H04W52/34
    • A ground-or roof-top-based repeater in an OFDM system uses multiple transmission antennas to retransmit satellite signals. By using multiple transmission antennas, multiple identical OFDM signals are transmitted. Dithering is performed by, using a phase of Rayleigh process generator, introducing a slight variable-frequency phase offset to all but one of the multiple identical transmitted OFDM signals, and thus the effective overall channel is more dynamic and provides spatial diversity to minimize long periods of fading in fading subchannels of the OFDM signals when the receiver is in a slow moving or stationary situation. To overcome the additional cancellation problem that can occur when two or more of the transmitting antennas are in a line-of-site position with the receiver and approximately the same distance from the receiver, a delay is deliberately introduced to make the delayed signal(s) appear to be reflected signals. This delay will not negatively impact the OFDM receiver performance as long as the delay is within the guard interval used in the OFDM process.
    • OFDM系统中的基于地面或屋顶的中继器使用多个发射天线来重发卫星信号。 通过使用多个发送天线,发送多个相同的OFDM信号。 通过使用瑞利处理发生器的相位对多个相同发射的OFDM信号中的除了一个之外的所有发射的OFDM信号引入轻微的可变频率相位偏移来进行抖动,因此有效整体信道更加动态,并提供空间分集以最小化长周期 当接收机处于缓慢移动或静止状态时,OFDM信号的衰落子信道中的衰落。 为了克服当两个或多个发射天线处于与接收机的位置位置并且与接收机大致相同距离时可能发生的额外的消除问题,故意引入延迟以使延迟的信号 )似乎是反射信号。 只要延迟在OFDM过程中使用的保护间隔内,该延迟不会对OFDM接收机性能产生负面影响。
    • 9. 发明申请
    • OPEN LOOP POWER OFFSET UPDATE
    • OPEN LOOP POWER OFFSET更新
    • US20090011785A1
    • 2009-01-08
    • US11773939
    • 2007-07-05
    • Samel CelebiChuck StanskiSundeep Rangan
    • Samel CelebiChuck StanskiSundeep Rangan
    • H04Q7/20
    • H04W52/50H04W52/10H04W52/146
    • Provided is an feedback mechanism to correct power control information in a broadcast signal that is determined to be incorrect by one or more devices that receive and rely on the broadcast information. A device that receives the incorrect broadcast information can determine a correction and to the information and provide a recommendation to the source of the broadcast information. The source can selectively determine whether to modify the broadcast information based on the recommendation from one or more devices. If the broadcast information is modified, subsequent devices that receive the broadcast information are provided with the modified information. If further changes are needed, the subsequent devices can provide further recommended changes.
    • 提供了一种反馈机制,用于校正由接收并依赖于广播信息的一个或多个设备确定为不正确的广播信号中的功率控制信息。 接收不正确的广播信息的设备可以确定对该信息的修正和提供对广播信息的来源的推荐。 源可以基于来自一个或多个设备的推荐来选择性地确定是否修改广播信息。 如果广播信息被修改,则接收广播信息的后续设备被提供修改的信息。 如果需要进一步的更改,后续设备可以提供进一步的建议更改。