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    • 1. 发明申请
    • RELAY NODE BACKHAULING
    • 继电器回传
    • WO2010061053A1
    • 2010-06-03
    • PCT/FI2009/050893
    • 2009-11-05
    • NOKIA CORPORATIONCHARBIT, GillesWANG, HaimingZENG, ErlinHAN, JingCHE, Xiang GuangRAAF, Bernhard
    • CHARBIT, GillesWANG, HaimingZENG, ErlinHAN, JingCHE, Xiang GuangRAAF, Bernhard
    • H04W72/12H04W16/26
    • H04B7/155H04B7/2606H04W72/005H04W72/1263H04W84/047
    • In an example, techniques select compatible TDDframe structure pairs for a base station and a relay node; designate a numberofcertain subframes in each of the selected frame structure pairs to be multimedia broadcast multicast service single frequency network subframes; and using the selected frame structure pairs, perform communications between the base station and a relay node-attached user equipment, while performing backhauling during the certain subframes. In another example, techniques select compatible TDDframe structure pairs for a base station and a relay node that establishes operation with selected subframe pairs on a relay link, signal a blank subframe configuration for a relay node-attached user equipment corresponding to the selected subframe pairs, and, using the selected subframe pairs, perform communications between the base station and the relay node-attached user equipment, while performing back hauling during the selected subframe pairs signaled as blank subframes to the user equipment.
    • 在一个示例中,技术为基站和中继节点选择兼容的TDD帧结构对; 将所选择的帧结构对中的每一个中的多个确定子帧指定为多媒体广播多播服务单频网络子帧; 并且使用所选择的帧结构对,在所述某些子帧期间执行回程执行时,在所述基站和与中继节点连接的用户设备之间进行通信。 在另一示例中,技术为基站和中继节点选择兼容的TDD帧结构对,该中继节点与中继链路上的所选择的子帧对建立操作,对与所选择的子帧对相对应的与中继节点相连的用户设备进行信号空白子帧配置, 并且使用所选择的子帧对,在基站和与所述中继节点连接的用户设备之间执行通信,同时在所选择的子帧对中执行回程,所述子帧对以空白子帧的形式发送给所述用户设备。
    • 7. 发明申请
    • ACK/NACK TRANSMISSION ON PUCCH IN LTE-ATDD WITH NXPDCCH STRUCTURE
    • 具有NXPDCCH结构的LTE-ATDD中的PUCCH上的ACK / NACK传输
    • WO2009118621A2
    • 2009-10-01
    • PCT/IB2009/005075
    • 2009-03-25
    • NOKIA CORPORATIONCHE, Xiang GuangCHEN, PengKOLDING, Troels EmilFREDERIKSEN, Frank
    • CHE, Xiang GuangCHEN, PengKOLDING, Troels EmilFREDERIKSEN, Frank
    • H04L1/18
    • H04L1/003H04L1/0025H04L1/1621H04L1/1854H04L5/0053
    • Systems and methods are provided for enabling different "bundling" methods for downlink transmissions and provide different interpretations of the acknowledgement/negative- acknowledgement bit. A user equipment is configured so that it commonly acknowledges all downlink transmission time intervals within a bundle so that if one packet is determined to be erroneous, all packets in that bundle will be retransmitted. Additionally, the systems and methods are implemented by allowing an interpretation to be applied to the uplink acknowledgement/negative-acknowledgement field such that the user equipment is able to divide bundled downlink packets into smaller windows in Long Term Evolution (LTE) Release 8 time division duplex (TDD) mode. In LTE Advanced (LTE-A) TDD mode, various embodiments provide bundling within the time domain, within the frequency domain, and within a hybrid time- frequency domain. Furthermore, enhanced channel selection methods are also provided in support of the above-mentioned bundling methods in accordance with various embodiments.
    • 提供的系统和方法用于实现用于下行链路传输的不同的“捆绑”方法,并提供对确认/否定确认位的不同解释。 用户设备被配置为使得它通常确认束内的所有下行链路传输时间间隔,使得如果确定一个分组是错误的,则该分组中的所有分组将被重传。 另外,通过允许将解释应用于上行链路确认/否定确认字段来实现系统和方法,使得用户设备能够在长期演进(LTE)版本8时分中将分组的下行链路分组划分为更小的窗口 双工(TDD)模式。 在LTE高级(LTE-A)TDD模式中,各种实施例在时域内,频域内和混合时频域内提供捆绑。 此外,还提供了增强的信道选择方法,以支持根据各种实施例的上述捆绑方法。
    • 8. 发明申请
    • APPARATUS AND METHOD FOR INITIALIZATION OF REFERENCE SIGNAL SCRAMBLING
    • 用于初始化参考信号屏蔽的装置和方法
    • WO2011039625A1
    • 2011-04-07
    • PCT/IB2010/002494
    • 2010-09-30
    • NOKIA CORPORATIONCHMIEL, MieszkoCHEN, PengKOIVISTO, TommiCHE, Xiang GuangROMAN, Timo
    • CHMIEL, MieszkoCHEN, PengKOIVISTO, TommiCHE, Xiang GuangROMAN, Timo
    • H04L9/08H04B7/02
    • H04J11/0069H04L27/2613
    • A scrambling sequence is initialized using at least a cell identifier and an offset, and a physical downlink control information DCI is sent to a user equipment which indicates the offset. In more particular embodiments a user equipment-specific reference signal UE-RS is scrambled using the initialized scrambling sequence, and the scrambled UE-RS is sent to the UE for demodulating a downlink shared channel (PDSCH). In another exemplary embodiment the generated UE-RS is sent in a pilot part of a subframe transmission associated with the PDSCH and is for demodulating at least a data part of that subframe transmission. In a specific embodiment from the UE side, the UE receives the UE-RS and the DCI which indicates the offset, descrambles the UE-RS using a scrambling sequence that is initialized using a cell identifier and the indicated offset; and demodulates the PDSCH using the de-scrambled UE-RS.
    • 使用至少小区标识符和偏移来初始化加扰序列,并且向指示偏移的用户设备发送物理下行链路控制信息DCI。 在更具体的实施例中,使用初始化的加扰序列对用户设备专用参考信号UE-RS进行加扰,并且将加扰的UE-RS发送给用于解调下行链路共享信道(PDSCH)的UE。 在另一个示例性实施例中,所生成的UE-RS在与PDSCH相关联的子帧传输的导频部分中发送,并且用于解调该子帧传输的至少一个数据部分。 在来自UE侧的特定实施例中,UE接收指示偏移的UE-RS和DCI,使用使用小区标识符和指示的偏移量初始化的加扰序列来解扰UE-RS; 并使用去加扰的UE-RS解调PDSCH。