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    • 23. 发明申请
    • METHODS AND APPARATUS FOR MODIFIED PHICH
    • 改良PHICH的方法和装置
    • WO2013051980A1
    • 2013-04-11
    • PCT/SE2012/050123
    • 2012-02-09
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)CHENG, Jung-FuLARSSON, DanielERIKSSON, Erik
    • CHENG, Jung-FuLARSSON, DanielERIKSSON, Erik
    • H04L1/16H04L5/00H04L1/18
    • H04L1/1861H04L1/1671H04L5/003H04L2001/0093
    • Techniques provide additional Hybrid-ARQ indication resources for LTE TDD subframes that are normally without conventional LTE PHICH resources or that have too few LTE PHICH resources. In some embodiments, a modified PHICH is created using unused REGs in the control region of the downlink subframe. In others, a modified PHICH resides within the resources of an AL=1 PDCCH, and is formed using encoding and modulation processes that differ from normal PDCCH processing. In other embodiments, the PUSCH HARQ feedback bits are carried by a conventional LTE PDCCH, which is distinguished from other PDCCHs by scrambling it with a new type of RNTI: HARQ indicator Radio-network temporary identifier (Hl-RNTI). In still other embodiments, the modulation symbols of PHICH are then placed on top of those normally reserved for PDCCHs. For such overlapped radio resources, the modulation symbols from the modified PHICH will replace those from normal PDCCHs for transmission.
    • 技术为通常不具有常规LTE PHICH资源或具有太少LTE PHICH资源的LTE TDD子帧提供额外的混合ARQ指示资源。 在一些实施例中,使用在下行链路子帧的控制区域中的未使用的REG来创建修改的PHICH。 在其他情况下,修改的PHICH驻留在AL = 1 PDCCH的资源内,并且使用与正常PDCCH处理不同的编码和调制过程来形成。 在其他实施例中,PUSCH HARQ反馈比特由传统的LTE PDCCH承载,其通过用新型的RNTI:HARQ指示符无线电网络临时标识符(H1-RNTI)对其进行加扰来与其他PDCCH区分开来。 在其他实施例中,PHICH的调制符号然后被放置在通常为PDCCH保留的那些之上。 对于这种重叠的无线电资源,来自修改的PHICH的调制符号将取代来自正常PDCCH的传输。
    • 29. 发明申请
    • A RADIO BASE STATION AND A METHOD OF SELECTING A CHANNEL QUALITY REPORTING MODE
    • 无线电台站和选择通道质量报告模式的方法
    • WO2011053204A1
    • 2011-05-05
    • PCT/SE2009/051231
    • 2009-10-29
    • TELEFONAKTIEBOLAGET L M ERICSSON (PUBL)SIMONSSON, ArneQIAN, YuJERSENIUS, KristinaERIKSSON, Erik
    • SIMONSSON, ArneQIAN, YuJERSENIUS, KristinaERIKSSON, Erik
    • H04L1/00H04W24/10
    • H04W24/10H04L1/0026H04L1/003
    • The invention relates to a method for selecting a channel quality reporting mode for reporting estimated channel quality and to a radio base station (100) adapted to select such a channel quality reporting mode. The reporting mode is selected from a list of predetermined reporting modes. The radio base station comprises a measurement unit (101) adapted to measure a traffic load in the cell (110) and a comparator unit (102) adapted to compare the measured traffic load with a predefined threshold. The radio base station (100) further comprises a selector unit (103) adapted to select a channel quality reporting mode based on a result from the comparison, and a transceiver (104). The transceiver (104) is adapted to send configuration information to a user equipment (120) (UE) to inform the UE of the channel quality reporting mode to use in order to enable the UE to report channel quality estimations of a set up communication channel.
    • 本发明涉及一种用于选择用于报告估计信道质量的信道质量报告模式和适于选择这种信道质量报告模式的无线基站(100)的方法。 从预定报告模式的列表中选择报告模式。 无线电基站包括适于测量小区(110)中的业务负载的测量单元(101)和适于将所测量的业务负载与预定阈值进行比较的比较单元(102)。 无线电基站(100)还包括一个选择器单元(103),该选择器单元(103)适于基于比较结果来选择信道质量报告模式,以及收发器(104)。 收发器(104)适于向用户设备(UE)发送配置信息以通知UE使用的信道质量报告模式,以便UE能够报告建立的通信信道的信道质量估计 。