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    • 91. 发明申请
    • IMPLICIT SIGNALLING IN OFDM PREAMBLE WITH EMBEDDED SIGNATURE SEQUENCE, AND CYCLIC PREFIX AIDED SIGNATURE DETECTION
    • 具有嵌入式符号序列的OFDM前缀中的隐含信号,以及循环预编码签名检测
    • WO2015001298A1
    • 2015-01-08
    • PCT/GB2014/051679
    • 2014-06-02
    • SONY CORPORATIONSONY EUROPE LIMITED
    • ATUNGSIRI, Samuel Asangbeng
    • H04L1/00H04L27/26
    • H04L27/2607H04L27/2613H04L27/2627H04L27/2649H04L27/2655H04L27/2663H04L27/2665H04L27/2678H04L27/2685
    • A transmitter for transmitting payload data using Orthogonal Frequency Division Multiplexed (OFDM) symbols, the transmitter comprising a frame builder configured to receive the payload data to be transmitted and to receive signalling data for use in detecting and recovering the payload data at a receiver, and to form the payload data with the signalling data into frames for transmission. The transmitter also comprising a modulator configured to modulate a first OFDM symbol with the signalling data and to modulate one or more second OFDM symbols with the payload data, a signature sequence processor circuit for providing a signature sequence, a combiner circuit for embedding the signature sequence with the first OFDM symbol, a prefixing circuit for prefixing a guard interval to the first OFDM symbol to form a preamble, and a transmission circuit for transmitting the preamble and the one or more second OFDM symbols. The signature sequence provided by the signature sequence processor circuit is selected from one of a set of signature sequences, the selection of the signature sequence providing a message and the signature sequence being combined by the combiner with the first OFDM symbol, and the guard interval is formed from a portion of the time domain samples of the signature sequence so that a receiver can detect which signature sequence of the set of signature sequences has been combined with the first OFDM symbol by detecting the guard interval.
    • 一种用于使用正交频分复用(OFDM)符号发送有效载荷数据的发射机,所述发射机包括被构造成接收待发射的有效载荷数据并接收信令数据的帧构造器,用于在接收机处检测和恢复有效载荷数据,以及 以将信令数据的有效载荷数据形成帧以进行传输。 所述发射机还包括调制器,被配置为用所述信令数据调制第一OFDM符号并且用所述有效载荷数据调制一个或多个第二OFDM符号,用于提供签名序列的签名序列处理器电路,用于嵌入所述签名序列的组合器电路 利用第一OFDM符号,用于将保护间隔前缀到第一OFDM符号以形成前导码的前缀电路,以及用于发送前导码和一个或多个第二OFDM符号的发送电路。 由签名序列处理器电路提供的签名序列是从一组签名序列,提供消息的签名序列的选择和组合器与第一个OFDM符号组合的签名序列之一中选择的,保护间隔是 由签名序列的时域样本的一部分形成,使得接收者可以通过检测保护间隔来检测该组签名序列的哪个签名序列已经与第一OFDM符号组合。
    • 94. 发明申请
    • TRANSMITTER AND METHOD OF TRANSMITTING PAYLOAD DATA, RECEIVER AND METHOD OF RECEIVING PAYLOAD DATA IN AN OFDM SYSTEM
    • 在OFDM系统中传输载荷数据的发送机和方法,接收机和接收载荷数据的方法
    • WO2014155064A1
    • 2014-10-02
    • PCT/GB2014/050869
    • 2014-03-20
    • SONY CORPORATIONSONY EUROPE LIMITED
    • ATUNGSIRI, Samuel Asangbeng
    • H04L5/00H04L27/26
    • H04L27/2634H04L1/007H04L1/0072H04L5/0007H04L5/001H04L27/2602H04L27/2613H04L27/2649H04L27/2655
    • A transmitter transmits payload data using Orthogonal Frequency Division Multiplexed (OFDM) symbols. The transmitter comprises a frame builder configured to receive the payload data to be transmitted and to receive signalling data for use in detecting and recovering the payload data at a receiver, and to form the payload data and the signalling data into frames for transmission. The signalling data forms a first of the frames and the payload data forms one or more other frames. A modulator is configured to modulate a first OFDM symbol with the signalling data forming the first frame and to modulate one or more second OFDM symbols with the payload data forming the one or more other frames, and a transmission unit transmits the first and second OFDM symbols. The first OFDM symbol which carries the signalling data is combined before transmission with a signature sequence. The signature sequence can be configured to allow for detection of the first OFDM symbol at the receiver and for decoding of the signalling data before the one or more second OFDM symbols carrying the payload data and at lower signal to noise ratios.
    • 发射机使用正交频分复用(OFDM)符号发射有效载荷数据。 所述发射机包括帧构造器,其被配置为接收要发射的有效载荷数据并且接收用于在接收机处检测和恢复有效载荷数据的信令数据,并且将有效载荷数据和信令数据形成帧以进行传输。 信令数据形成第一帧,有效负载数据形成一个或多个其他帧。 调制器被配置为利用形成第一帧的信令数据来调制第一OFDM符号,并且利用形成一个或多个其他帧的有效载荷数据来调制一个或多个第二OFDM符号,并且传输单元发送第一和第二OFDM符号 。 携带信令数据的第一OFDM符号在传输之前与签名序列相组合。 签名序列可以被配置为允许在接收机处检测第一OFDM符号,并且用于在携带有效负载数据的一个或多个第二OFDM符号和较低的信噪比之前解码信令数据。
    • 95. 发明申请
    • INFRASTRUCTURE EQUIPMENT, MOBILE COMMUNICATIONS NETWORK, SYSTEM AND METHOD
    • 基础设施,移动通信网络,系统和方法
    • WO2014147397A1
    • 2014-09-25
    • PCT/GB2014/050864
    • 2014-03-19
    • SONY CORPORATIONSONY EUROPE LIMITED
    • WEBB, MatthewWAKABAYASHI, Hideji
    • H04B7/26
    • H04W48/08H04J11/0069H04W56/001
    • An infrastructure equipment forming part of a mobile communications network comprises a transmitter configured to transmit signals to communications devices via a wireless access interface, a receiver unit configured to receive signals transmitted from communications devices via the wireless access interface, and a controller. The controller is configured to control the transmitter unit and the receiver unit to form the wireless access interface providing a plurality of communications resource elements across a first frequency bandwidth which are divided in time into a plurality of frames and forms one of a plurality of cells of the mobile communications network, each cell being allocated a cell identifier by the mobile communications network. The controller in combination with the transmitter unit are configured to transmit in one or more of the frames a synchronisation sequence, which is one of a set of possible synchronisation sequences, each of the synchronisation sequences from the set providing an indication of one of the cell identifiers, wherein a relative temporal location of the synchronisation sequence within the frame provides the communications devices with an indication of the cell identifier of the cell which can be combined with detecting the synchronisation sequence to improve the estimate of the cell identifier for the cell. According to some examples a communications device can restrict a search for the correct cell identifier based on an identification of a relative temporal location in which the synchronisation sequence was transmitted, thereby improving a likelihood of correctly detecting the cell identifier or increasing the range of a coverage area of a cell for the same likelihood of detection.
    • 构成移动通信网络的一部分的基础设施设备包括被配置为经由无线接入接口向通信设备发送信号的发射机,被配置为接收经由无线接入接口从通信设备发送的信号的接收机单元和控制器。 所述控制器被配置为控制所述发射机单元和所述接收机单元以形成无线接入接口,所述无线接入接口提供跨越第一频带宽度的多个通信资源元素,所述第一频带宽度在时间上分成多个帧,并形成多个小区 移动通信网络,每个小区被移动通信网络分配小区标识符。 与发射机单元组合的控制器被配置为在一个或多个帧中发送作为一组可能的同步序列之一的同步序列,来自该组的同步序列中的每一个提供小区之一的指示 标识符,其中帧内的同步序列的相对时间位置向通信设备提供可以与检测同步序列组合的小区的小区标识符的指示,以改进小区的小区标识符的估计。 根据一些示例,通信设备可以基于在其中发送同步序列的相对时间位置的标识来限制对正确小区标识符的搜索,从而提高正确检测小区标识符或增加覆盖范围的可能性 细胞的区域具有相同的检测可能性。
    • 96. 发明申请
    • COMMUNICATIONS DEVICE AND METHOD
    • 通信设备和方法
    • WO2014147396A1
    • 2014-09-25
    • PCT/GB2014/050863
    • 2014-03-19
    • SONY CORPORATIONSONY EUROPE LIMITED
    • WEBB, MatthewWAKABAYASHI, Hideji
    • H04B7/26
    • H04J11/0079H04J11/0069H04L5/0007H04L45/74H04W56/0015H04W72/0446H04W88/02
    • A communications device transmits data to or receives data from a mobile communications network. The mobile communications network includes one or more network elements, the one or more network elements forming a plurality of cells of the mobile communications network, each cell being allocated a cell identifier by the mobile communications network and for each cell the one or more network elements provide a wireless access interface for the communications device. The wireless access interface provides a plurality of communications resource elements across a frequency range of a first carrier, and divided in time into a plurality of frames, the one or more network elements transmitting in one or more of the frames a synchronisation sequence being one of a set of possible synchronisation sequences, each of the synchronisation sequences from the set providing an indication of a cell identifier. The communications device includes a controller which is configured in combination with the receiver unit to detect the synchronisation sequence as being one of the predetermined set of synchronisation sequences, to calculate an estimate of a cell identifier of the cell from the detected synchronisation sequence, and to use the cell identifier to transmit the data to and/or receive the data from the mobile communications network via the wireless access interface. A relative temporal location of the synchronisation sequence within the frame provides the communications device with an indication of the cell identifier of the cell, and the controller is configured to calculate the estimate of the cell identifier based on the relative temporal location in the frame of the synchronisation sequence in combination with the detected synchronisation sequence.
    • 通信设备向移动通信网络发送数据或从移动通信网络接收数据。 移动通信网络包括一个或多个网络元件,所述一个或多个网络元件形成移动通信网络的多个小区,每个小区被移动通信网络分配小区标识符,并且对于每个小区,一个或多个网元 为通信设备提供无线接入接口。 无线接入接口在第一载波的频率范围内提供多个通信资源元素,并且在时间上划分为多个帧,所述一个或多个网络元件在一个或多个帧中发送同步序列, 一组可能的同步序列,来自该组的每个同步序列提供小区标识符的指示。 通信设备包括控制器,其被配置为与接收器单元组合以将同步序列检测为预定的同步序列集合之一,以从检测到的同步序列计算小区的小区标识符的估计,以及 使用小区标识符经由无线接入接口将数据发送到移动通信网络和/或从移动通信网络接收数据。 帧内的同步序列的相对时间位置向通信设备提供小区的小区标识符的指示,并且控制器被配置为基于小区标识符的帧中的相对时间位置来计算小区标识符的估计 同步序列与检测到的同步序列组合。
    • 98. 发明申请
    • INTERCELL INTERFERENCE COORDINATION ACCOUNTING FOR MACHINE TYPE COMMUNICATION
    • INTERCELL干扰协调会议用于机器类型通信
    • WO2014111693A1
    • 2014-07-24
    • PCT/GB2014/050077
    • 2014-01-13
    • SONY CORPORATIONSONY EUROPE LIMITED
    • WAKABAYASHI, HidejiMORIOKA, Yuichi
    • H04J11/00H04L5/00
    • H04W72/042H04J11/0053H04L5/0007H04L5/0035H04L5/0039H04L5/0064H04L5/0073H04L5/0087H04L27/2601H04W28/20H04W72/0453H04W88/08
    • A method of operating a base station in a wireless telecommunications system is described. Downlink communications from the base station to terminal devices are made using a plurality of OFDM sub-carriers spanning a system frequency bandwidth. The base station supports communications with a first type of terminal device on a host carrier using OFDM sub- carriers distributed across the system frequency bandwidth and supports communications with a second type of terminal device on a restricted bandwidth carrier using OFDM sub-carriers distributed across a restricted frequency bandwidth which is smaller than and within the system frequency bandwidth. The base station receives from a further base station of the wireless telecommunications system an indication of a transmission characteristic to be used by the further base station for transmissions to the second type of terminal device using a reduced bandwidth carrier associated with the further base station. The base station selects a transmission characteristic for its own transmissions to be made to the second type of terminal device using the restricted bandwidth carrier in a manner that takes account of the indication of the transmission characteristic received from the further base station. The base station then conveys an indication of the transmission characteristic from the base station to at least one other base station of the wireless telecommunications system. Thus, the respective base stations exchange information regarding their restricted bandwidth carrier transmissions to help them coordinate their respective transmissions with a view to reducing intercell interference.
    • 描述了在无线电信系统中操作基站的方法。 使用跨越系统频率带宽的多个OFDM子载波来进行从基站到终端设备的下行链路通信。 基站支持使用分布在系统频率带宽上的OFDM子载波与主机载波上的第一类型的终端设备进行通信,并且在受限带宽载波上支持与第二类型的终端设备的通信,其中OFDM子载波分布在 限制频带宽度小于系统频带宽度。 基站从无线电信系统的另一个基站接收由另外的基站用于使用与另外的基站相关联的减少带宽载波的第二类型的终端设备的传输的传输特性的指示。 基站考虑到从另一个基站接收到的传输特性的指示的方式,使用受限带宽载波来选择对自己的传输的传输特性作为第二类型的终端设备。 然后,基站将传输特性的指示从基站传送到无线电信系统的至少一个其他基站。 因此,相应的基站交换关于其有限带宽载波传输的信息,以帮助它们协调它们各自的传输,以减少小区间干扰。
    • 100. 发明申请
    • TRANSMISSION OF CONTROL INFORMATION TO REDUCED BANDWIDTH TERMINALS
    • 控制信息传输到减少带宽终端
    • WO2014087145A1
    • 2014-06-12
    • PCT/GB2013/053188
    • 2013-12-02
    • SONY CORPORATIONSONY EUROPE LIMITED
    • WEBB, MatthewWAKABAYASHI, HidejiMORIOKA, Yuichi
    • H04L5/00H04W72/04
    • H04W72/048H04L5/0007H04L5/0037H04L5/0048H04L5/0064H04L5/0094H04L27/2601H04W52/0212H04W72/042H04W72/0446H04W72/0453Y02D70/1242Y02D70/1262Y02D70/21
    • A method of communicating data to mobile terminals from an OFDM wireless communications network which provides a wireless access interface for communicating the data using a plurality of OFDM sub-carriers comprises providing a first control channel having a bandwidth corresponding to a first frequency band at a first temporal position within a sub-frame, and transmitting resource allocation messages in the first control channel allocating communications resources of a first group of OFDM sub-carriers to communications terminals of a first type and allocating communications resources of a second group of OFDM sub-carriers to communications terminals of a second type. The second group of the plurality of OFDM sub-carriers is smaller than the first group of the plurality of OFDM sub-carriers and the second frequency band is selected from within the first frequency band to form a virtual carrier. The method includes providing a second control channel within the second frequency band within the second group of OFDM sub-carriers in a second temporal position within a sub-frame, and transmitting control information which is specific to the terminals of the second type operating to receive the data via the second group of OFDM sub- carriers. The communications terminals of the second type there by receive resource allocation messages from the first control channel to allocate resources within the second frequency band forming the virtual carrier and receive control information,which is specific to the communications terminals of the second type,which are receiving data from the second frequency band of the virtual carrier via a second control channel. Accordingly, there is provided a logical separation of full bandwidth LTE type terminals and communications terminals of a reduced bandwidth of the second type in respect of the transmission of control information, but uses the same resource allocation messages for both the full-bandwidth LTE terminals and the reduced bandwidth terminals of the second type thereby improving compatibility with conventional LTE networks.
    • 一种从OFDM无线通信网络向移动终端传送数据的方法,该OFDM无线通信网络提供用于使用多个OFDM子载波传送数据的无线接入接口包括提供具有与第一频带对应的带宽的第一控制信道 并且在第一控制信道中发送资源分配消息,将第一组OFDM子载波的通信资源分配给第一类型的通信终端,并且分配第二组OFDM子载波的通信资源 到第二类通信终端。 多个OFDM子载波中的第二组小于多个OFDM子载波的第一组,并且从第一频带内选择第二频带以形成虚拟载波。 该方法包括在子帧内的第二时间位置中在第二组OFDM子载波内的第二频带内提供第二控制信道,以及发送特定于操作以接收的第二类型的终端的控制信息 经由第二组OFDM子载波的数据。 第二类型的通信终端通过从第一控制信道接收资源分配消息,以在形成虚拟载波的第二频带内分配资源,并接收正在接收的第二类型的通信终端的控制信息 来自虚拟载波的第二频带的数据经由第二控制信道。 因此,提供了关于控制信息传输的第二类型的带宽减小的全带宽LTE型终端和通信终端的逻辑分离,但是对于全带宽LTE终端和全带宽LTE终端使用相同的资源分配消息 第二类型的带宽减小的终端,从而提高与常规LTE网络的兼容性。