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    • 7. 发明申请
    • METHOD AND SYSTEM FOR TRANSMISSION OF CHANNEL QUALITY INDICATORS (CQIS) BY MOBILE DEVICES IN A WIRELESS COMMUNICATIONS NETWORK
    • 在无线通信网络中通过移动设备传输信道质量指标(CQIS)的方法和系统
    • WO2009035139A1
    • 2009-03-19
    • PCT/JP2008/066902
    • 2008-09-11
    • SHARP KABUSHIKI KAISHAXU, Shugong
    • XU, Shugong
    • H04Q7/34H04Q7/38
    • H04L65/602H04L5/0007H04L5/0053H04L5/006H04L5/0064H04L5/0091H04L65/607H04L65/80H04W28/22H04W48/08H04W80/04
    • A method and system for optimizing channel quality indicator (CQI) transmissions by mobile devices in a cellular network allows transmission of CQIs at a slower rate and with fewer bits during voice-over-internet-protocol (VoIP) sessions than during non-real-time (NRT) data transmissions. A VoIP transmission typically includes "talkspurt" periods, during which VoIP packets are transmitted, and silence periods, which start with a silence indication (SID) packet and continue with periodic SID packets until a VoIP packet is received. When the base station is transmitting NRT data, the mobile device transmits CQIs to the base station at a first rate, with each CQI having a first fixed number of bits. When the base station is transmitting VoIP to the mobile device, then during a talkspurt period, the mobile device may transmit CQIs to the base station at a second rate slower than the first rate, and each CQI may have a second fixed number of bits less than the first fixed number of bits. However, during a silence period, the mobile device does not transmit CQIs to the base station, and uplink channel resources allocated for the CQIs can be reallocated to other mobile devices.
    • 用于优化蜂窝网络中的移动设备的信道质量指示符(CQI)传输的方法和系统允许以比在非实时协议(VoIP)期间的语音电话协议(VoIP)会话期间以较慢的速率和较少的比特传送CQI, 时间(NRT)数据传输。 VoIP传输通常包括在其间传送VoIP分组的“话音突发”周期,以及以静默指示(SID)分组开始的静默时段,并且继续周期性的SID分组,直到接收到VoIP分组。 当基站正在发送NRT数据时,移动设备以第一速率向基站发送CQI,其中每个CQI具有第一固定比特数。 当基站正在向移动设备发送VoIP时,则在通话时间段期间,移动设备可以以比第一速率慢的第二速率向基站发送CQI,并且每个CQI可以具有较少的第二固定比特数 比第一固定位数。 然而,在静默期间,移动设备不向基站发送CQI,并且可以将为CQI分配的上行链路信道资源重新分配给其他移动设备。
    • 8. 发明申请
    • METHOD AND SYSTEM FOR VOICE-OVER-INTERNET-PROTOCOL (VOIP) TRANSMISSION IN A WIRELESS COMMUNICATIONS NETWORK
    • 无线通信网络中语音互通协议(VOIP)传输的方法与系统
    • WO2009035140A1
    • 2009-03-19
    • PCT/JP2008/066905
    • 2008-09-11
    • SHARP KABUSHIKI KAISHAXU, Shugong
    • XU, Shugong
    • H04Q7/20
    • H04L65/605H04L65/602H04L65/604H04L65/607H04W24/00H04W80/04
    • The invention is a method and system for reliably detecting the start and/or end of silence periods during voice-over-internet-protocol (VoIP) sessions in a wireless communications network. A VoIP session typically includes "talkspurt" periods, during which VoIP packets are transmitted, and silence periods, during which silence indication (SID) packets are transmitted. Both the base station (eNodeB or eNb) and the mobile device (user equipment or UE) may inspect the packets to identify them as VoIP or SID packets. Alternatively, only the eNB inspects the packets. The eNB then flags the first SID packet after a VoIP packet as the start of a silence period, and flags the first VoIP packet after a SID packet as the end of a silence period. The eNB then modifies the header of the medium access control (MAC) protocol data unit (PDU) prior to transmission to the UE. The UE then detects the modified MAC headers to identify the start and/or end of silence periods.
    • 本发明是一种用于在无线通信网络中的因特网协议(VoIP)会话期间可靠地检测静默期的开始和/或结束的方法和系统。 VoIP会话通常包括发送VoIP分组的“话音突发”周期,以及在其间发送静音指示(SID)分组的静默时段。 基站(eNodeB或eNb)和移动设备(用户设备或UE)都可以检查分组以将其识别为VoIP或SID分组。 或者,只有eNB检查分组。 然后,eNB将VoIP分组之后的第一SID分组标记为静默时段的开始,并且在SID分组之后标记第一VoIP分组作为静默周期的结束。 然后,eNB在发送给UE之前修改媒体接入控制(MAC)协议数据单元(PDU)的报头。 然后,UE检测修改的MAC头以识别静默时段的开始和/或结束。