公开(公告)号：US20150208314A1

公开(公告)日：2015-07-23

申请号：US14424541

申请日：2013-08-05

Applicant: Telefonica, S.A.

Inventor： Javier Lorca Hernando

IPC: H04W36/32 ,  H04W64/00 ,  H04W48/04 ,  H04W36/04 ,  H04L5/00

CPC classification number: H04W36/32 ,  H04L5/0048 ,  H04W24/02 ,  H04W36/04 ,  H04W48/04 ,  H04W48/12 ,  H04W64/00 ,  H04W64/006 ,  H04W88/02 ,  H04W88/08

Abstract: The method comprising estimating, at least one wireless user device (UE) its own velocity from at least one downlink pilot signal being transmitted by any base station from a plurality of different base stations, and further comprising:—broadcasting each one of said plurality of different base stations a parameter relative to its own cell size;—performing said at least one wireless user device in idle mode cell selections and reselections based on said plurality of base station cell size parameters received and said at least one wireless user device estimated velocity; and—reporting, said at least one wireless user device in connected mode, said estimated velocity and cell sizes of neighboring base stations to a serving base station in order to perform handovers based on said reported estimated velocity and said neighboring base station cell sizes.

Abstract translation: 所述方法包括：从至少一个下行链路导频信号估计至少一个无线用户设备（UE），所述至少一个下行链路导频信号由任何基站从多个不同的基站发射，并且还包括： - 广播所述多个 不同的基站相对于其自身小区大小的参数; - 基于所接收的所述多个基站小区大小参数和所述至少一个无线用户设备估计速度来执行空闲模式小区选择和重新选择中的所述至少一个无线用户设备; 所述至少一个无线用户设备处于连接模式，所述相邻基站的估计速度和小区大小到服务基站，以便基于所述报告的估计速度和所述相邻基站小区大小进行切换。

公开(公告)号：US20150195841A1

公开(公告)日：2015-07-09

申请号：US14409687

申请日：2013-06-03

Applicant: TELEFONICA, S.A.

Inventor： Javier Lorca Hernando

IPC: H04W72/08

CPC classification number: H04W72/082 ,  H04J11/0053

Abstract: The method comprising at least one user device provided with at least four antennas, wirelessly connected to a serving base station having between one and four transmit antennas and suffering interferences from at least one interfering base station having between one and four transmit antennas, establishing a data transmission link among a plurality of antennas, and: applying a time shift delay between said serving base station and said at least one interfering base station in order to avoid collision between Cell Reference Signals (CRS) of serving and interfering base stations when said data transmission is established; and introducing changes on the physical layer for PDSCH transmission and reception aimed at achieving inter-layer interference cancellation, said changes introduced comprising the introduction of a pattern of transmission gaps at symbols (l) and subcarrier indices (k) of interfering cell's CRS signals, which will be exploited by said at least one user device for effective interference cancellation.

Abstract translation: 该方法包括至少一个用户设备，该用户设备具有至少四个天线，无线连接到具有一个与四个发射天线之间的服务基站，并且遭受来自具有一个与四个发射天线之间的至少一个干扰基站的干扰，建立数据 多个天线之间的传输链路，以及：在所述服务基站和所述至少一个干扰基站之间应用时移延迟，以便在所述数据传输时避免服务和干扰基站的小区参考信号（CRS）之间的冲突 成立 并引入用于实现层间干扰消除的PDSCH发送和接收的物理层的改变，所引入的所述改变包括在干扰小区的CRS信号的符号（1）和子载波索引（k）处引入传输间隙的模式， 这将被所述至少一个用户设备利用以实现有效的干扰消除。

公开(公告)号：US20150131545A1

公开(公告)日：2015-05-14

申请号：US14381459

申请日：2013-02-20

Applicant: Telefonica, S.A.

Inventor： Pablo Ameigeiras Gutierrez ,  Jorge Navarro Ortiz ,  Juan Manuel Lopez Soler ,  Raquel Garcia Perez ,  Quiliano Perez Tarrero ,  Javier Lorca Hernando

IPC: H04W72/12 ,  H04W72/08

CPC classification number: H04W72/1289 ,  H04W72/087 ,  H04W72/1236

Abstract: The method includes: performing a packet scheduling for a plurality of user terminals (UEs) based on information regarding QoS classes, the information regarding QoS classes is included in QoS class identifiers received from an Evolved Packet Core providing communication services to the user terminals. The method further includes receiving channel quality indicators from the plurality of user terminals and performing the scheduling also on the basis of the received channel quality indicators. The system of the invention is arranged to implement the method of the invention.

Abstract translation: 该方法包括：基于关于QoS等级的信息对多个用户终端（UE）进行分组调度，将关于QoS等级的信息包括在从向用户终端提供通信服务的演进分组核心接收的QoS分类标识符中。 该方法还包括从多个用户终端接收信道质量指示符，并且还基于所接收的信道质量指示符执行​​调度。 本发明的系统被设置为实现本发明的方法。

公开(公告)号：US09967126B2

公开(公告)日：2018-05-08

申请号：US15632875

申请日：2017-06-26

Applicant: Telefonica, S.A.

Inventor： Javier Lorca Hernando

IPC: H04B7/01 ,  H04L27/26 ,  H04L25/02 ,  H04L27/233 ,  H04B17/309

CPC classification number: H04L27/2675 ,  H04B7/01 ,  H04B17/309 ,  H04L25/0202 ,  H04L27/2003 ,  H04L27/233 ,  H04L27/2614 ,  H04L27/2634 ,  H04L27/2657 ,  H04L27/2665 ,  H04L27/366

Abstract: A method to generate a wireless waveform for use in a wireless communication system, a wireless communication system and computer program product thereofThe method comprises the generation of a waveform for application in the wireless communication system characterized by significant phase noise, Doppler spread, multipath, frequency instability, and/or low power efficiency by at the transmitter side: creating a discrete-time instantaneous frequency signal {tilde over (f)}[n]; appending a cyclic prefix with length LCP to the beginning of the discrete-time instantaneous frequency signal {tilde over (f)}[n]; constructing a discrete-time unwrapped instantaneous phase φ[n]; constructing a discrete-time complex baseband signal, and appending at the beginning a Constant Amplitude Zero Autocorrelation, CAZAC, signal of length LCP for multipath detection; and passing the constructed discrete-time complex baseband signal through a digital-to-analog, DAC, converter to yield the continuous-time radio frequency signal s(t) after conversion to the carrier frequency.

公开(公告)号：US09654261B2

公开(公告)日：2017-05-16

申请号：US14516078

申请日：2014-10-16

Applicant: TELEFONICA, S.A.

Inventor： Javier Lorca Hernando

IPC: H04L5/00 ,  H04J11/00 ,  H04W72/08 ,  H04B7/024 ,  H04W72/04

CPC classification number: H04L5/0032 ,  H04B7/024 ,  H04J11/0056 ,  H04W72/046 ,  H04W72/082

Abstract: A method involving coordinating resources between a victim and an aggressor base station in massive MIMO systems, whereby only those specific beams involved in the interference scenario are coordinated in time and/or frequency domains without affecting other resources committed to other users as well as legacy users. Also disclosed is a system and computer program configured to implement the method.

公开(公告)号：US09549409B2

公开(公告)日：2017-01-17

申请号：US14409687

申请日：2013-06-03

Applicant: TELEFONICA, S.A.

Inventor： Javier Lorca Hernando

IPC: H04B7/00 ,  H04W72/08 ,  H04J11/00

CPC classification number: H04W72/082 ,  H04J11/0053

Abstract: The method comprising at least one user device provided with at least four antennas, wirelessly connected to a serving base station having between one and four transmit antennas and suffering interferences from at least one interfering base station having between one and four transmit antennas, establishing a data transmission link among a plurality of antennas, and: applying a time shift delay between said serving base station and said at least one interfering base station in order to avoid collision between Cell Reference Signals (CRS) of serving and interfering base stations when said data transmission is established; and introducing changes on the physical layer for PDSCH transmission and reception aimed at achieving inter-layer interference cancellation, said changes introduced comprising the introduction of a pattern of transmission gaps at symbols (l) and subcarrier indices (k) of interfering cell's CRS signals, which will be exploited by said at least one user device for effective interference cancellation.

Abstract translation: 该方法包括至少一个用户设备，该用户设备具有至少四个天线，无线连接到具有一个与四个发射天线之间的服务基站，并且遭受来自具有一个与四个发射天线之间的至少一个干扰基站的干扰，建立数据 多个天线之间的传输链路，以及：在所述服务基站和所述至少一个干扰基站之间应用时移延迟，以便在所述数据传输时避免服务和干扰基站的小区参考信号（CRS）之间的冲突 成立 并引入用于实现层间干扰消除的PDSCH发送和接收的物理层的改变，所引入的所述改变包括在干扰小区的CRS信号的符号（1）和子载波索引（k）处引入传输间隙的模式， 这将被所述至少一个用户设备利用以实现有效的干扰消除。

公开(公告)号：US09510240B2

公开(公告)日：2016-11-29

申请号：US14417418

申请日：2013-07-23

Applicant: Telefonica, S.A.

Inventor： Javier Lorca Hernando

IPC: H04W28/08 ,  H04W16/08 ,  H04W48/20 ,  H04W24/02 ,  H04W36/22 ,  H04W72/04 ,  H04L12/801

CPC classification number: H04W28/085 ,  H04L47/14 ,  H04W16/08 ,  H04W24/02 ,  H04W28/08 ,  H04W36/22 ,  H04W48/20 ,  H04W72/0486

Abstract: The method comprising at least one wireless user terminal, UE, connected through a wireless network to a serving base station and a plurality of network cells, each one comprising a base station, said at least one wireless UE: estimating the cell loads of the serving base station and of the plurality of network cells by analysing a downlink air interface load; providing to said wireless network, information about the actual cell load estimation of said plurality of cells, and performing a network cell selection based on said estimated cell loads, wherein said cell selection is performed without any exchange of cell load between said plurality of network cells.

Abstract translation: 该方法包括至少一个通过无线网络连接到服务基站的无线用户终端，UE，以及多个网络小区，每个网络小区包括基站，所述至少一个无线UE：估计服务的小区负载 基站和多个网络小区通过分析下行链路空中接口负载; 向所述无线网络提供关于所述多个小区的实际小区负载估计的信息，以及基于所述估计的小区负载来执行网络小区选择，其中所述小区选择在所述多个网络小区之间没有任何交换小区负载的情况下执行 。

公开(公告)号：US20160099824A1

公开(公告)日：2016-04-07

申请号：US14872217

申请日：2015-10-01

Applicant: Telefonica, S.A.

Inventor： Javier Lorca Hernando

IPC: H04L27/26 ,  H04W72/04 ,  H04L1/00 ,  H04L5/00

CPC classification number: H04L1/0048 ,  H04L5/0007 ,  H04L5/0048 ,  H04L27/2607 ,  H04W72/0453

Abstract: A system and method are provided for reducing the overhead caused by the presence of the cyclic prefix while enabling inter-carrier interference (ICI) and inter-symbol interference (ISI) cancellation in an Orthogonal Frequency Division Multiplexing (OFDM) network that includes an OFDM transmitter and an OFDM receiver.

Abstract translation: 提供了一种系统和方法，用于在包括OFDM的正交频分复用（OFDM）网络中实现载波干扰（ICI）和符号间干扰（ISI）消除的同时，减少由循环前缀的存在引起的开销 发射机和OFDM接收机。

公开(公告)号：US20150245308A1

公开(公告)日：2015-08-27

申请号：US14436655

申请日：2013-10-04

Applicant: TELEFONICA, S.A.

Inventor： Javier Lorca Hernando

IPC: H04W56/00 ,  H04L5/00 ,  H04J11/00

CPC classification number: H04W56/0015 ,  H04J11/0073 ,  H04J11/0076 ,  H04J2011/0096 ,  H04L5/0007 ,  H04W56/0035

Abstract: The method comprising at least one phase synchronized cellular base station having at least one transmit antenna for transmitting a signal to a at least one non-phase synchronized cellular base station, where it comprises transmitting by said at least one transmit antenna of said phased-synchronized cellular base station a beacon signal to said at least one non-phase synchronized cellular base station, included as part of said transmitted signal, said beacon signal comprising two orthogonal length-8 Walsh-Hadamard sequences to be broadcasted by said at least one phase synchronized cellular base station in order to provide said phase synchronization.

Abstract translation: 该方法包括至少一个相位同步的蜂窝基站，该蜂窝基站具有用于向至少一个非同步蜂窝基站发送信号的至少一个发射天线，其中，所述蜂窝基站包括由所述至少一个发射天线发射所述相位同步的 蜂窝基站将信标信号包括在所述至少一个非相位同步的蜂窝基站中，作为所述传输信号的一部分，所述信标信号包括将被所述至少一个相位同步的两个正交长度-8沃尔什 - 哈达玛序列 蜂窝基站为了提供所述相位同步。

公开(公告)号：US20150188573A1

公开(公告)日：2015-07-02

申请号：US14415259

申请日：2013-07-16

Applicant: Telefonica, S.A.

Inventor： Javier Lorca Hernando

IPC: H03M13/27 ,  H04B7/02 ,  H04L5/00 ,  H03M13/25

CPC classification number: H03M13/2771 ,  H03M13/258 ,  H03M13/2792 ,  H04B7/02 ,  H04L1/0066 ,  H04L1/0071 ,  H04L1/0606 ,  H04L1/0631 ,  H04L1/065 ,  H04L1/0668 ,  H04L5/0007 ,  H04L5/001

Abstract: The method comprising passing, a base station or a user terminal, information comprising data signals and encoding, a first and a second turbo encoders, said received data signals, generating two different turbo code blocks comprising a set of systematic and parity bits. Where, in order to enhance detection the two different turbo code blocks are simultaneously transmitted through a wireless OFDM system and wherein the data signals to be encoded by said second turbo encoder are interleaved prior encoding by an external bit interleaver.The system of the invention is arranged to implement the method of the invention.

Abstract translation: 所述方法包括：通过，基站或用户终端，包括数据信号和编码的信息，第一和第二turbo编码器，所述接收的数据信号，生成包括一组系统和奇偶校验位的两个不同turbo码块。 其中，为了增强检测，通过无线OFDM系统同时发送两个不同的turbo码块，其中由所述第二turbo编码器编码的数据信号经过外部位交织器的先前编码。 本发明的系统被设置为实现本发明的方法。