公开(公告)号：WO2010036173A1

公开(公告)日：2010-04-01

申请号：PCT/SE2009/000410

申请日：2009-09-16

Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUB) ,  KAMUF, Matthias ,  NORDSTRÖM, Fredrik ,  LINCOLN, Bo

Inventor： KAMUF, Matthias ,  NORDSTRÖM, Fredrik ,  LINCOLN, Bo

IPC: H04L1/00 ,  H04L27/26

CPC classification number: H04L1/20 ,  H04L25/0204 ,  H04L25/0228 ,  H04L25/03006 ,  H04L25/03821 ,  H04L2025/03414

Abstract: Methods and apparatus are disclosed for estimating inter-cell interference levels for resource elements of a received Orthogonal Frequency-Division Multiplexing (OFDM) signal. In an exemplary method in a wireless receiver, a reference symbol interference levels is measured for each of a plurality of reference symbols in a received OFDM signal, and interference scaling factors are mapped to each of a plurality of resource elements of the received OFDM signal. Each interference scaling factor reflects the probability that the corresponding resource element or group of resource elements is subject to interference from an interfering OFDM signal. Interference levels for each of the resource elements are then estimated as a function of the measured reference symbol interference levels and the interference scaling factors.

Abstract translation: 公开了用于估计接收到的正交频分复用（OFDM）信号的资源单元的小区间干扰电平的方法和装置。 在无线接收机中的示例性方法中，对接收的OFDM信号中的多个参考符号中的每一个测量参考符号干扰电平，并且将干扰缩放因子映射到所接收的OFDM信号的多个资源元素中的每一个。 每个干扰比例因子反映相应的资源元素或资源元素组受干扰OFDM信号的干扰的概率。 然后，估计每个资源元素的干扰电平作为测量的参考符号干扰电平和干扰缩放因子的函数。

公开(公告)号：WO2013104082A1

公开(公告)日：2013-07-18

申请号：PCT/CN2012/000055

申请日：2012-01-12

Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (PUB) ,  XU, Yuanjun ,  GU, Tao ,  ZHU, Huaisong ,  LI, Yanqiang ,  YANG, Jinsong

Inventor： XU, Yuanjun ,  GU, Tao ,  ZHU, Huaisong ,  LI, Yanqiang ,  YANG, Jinsong

IPC: H04L27/32

CPC classification number: H04L27/2657 ,  H04L27/2621 ,  H04L27/2689 ,  H04W88/08

Abstract: The invention discloses an adaptive phase shift method in a multi-carrier system, comprising: generating a group of one or more new phase values for corresponding one or more phase shift carriers, PSCs, based on quantization phase values; calculating and comparing a backward maximum power in an evaluation path with the group of one or more new phase values in one timeslot and a forward maximum power in a working path with current phase values in the timeslot; and adjusting phase of the PSCs based on the group of one or more new phase values if the calculated backward maximum power is less than the calculated forward maximum power. An adaptive phase shift apparatus is also disclosed. With the invention, complexity of the implementation is reduced and a small DPS block resource, low Hardware cost, low power consumption is also achieved.

Abstract translation: 本发明公开了一种多载波系统中的自适应相移方法，包括：基于量化相位值，产生用于相应的一个或多个相移载波PSC的一个或多个新相位值组; 计算和比较评估路径中的后向最大功率与一个时隙中的一个或多个新相位值组和工作路径中的正向最大功率与时隙中的当前相位值进行比较; 以及如果所计算的后向最大功率小于所计算的正向最大功率，则基于一个或多个新相位值的组来调整所述PSC的相位。 还公开了一种自适应相移装置。 利用本发明，实现的复杂度降低，并且还实现了小的DPS块资源，低硬件成本，低功耗。

公开(公告)号：WO2003061324A1

公开(公告)日：2003-07-24

申请号：PCT/SE2002/002148

申请日：2002-11-22

Applicant: TELEFONAKTIEBOLAGET L M ERICSSON (pub) ,  TÖRNKVIST, Robert

Inventor： TÖRNKVIST, Robert

IPC: H04Q7/38

CPC classification number: H04W8/06 ,  H04M15/8038 ,  H04M15/854 ,  H04M15/90 ,  H04M17/00 ,  H04M2215/016 ,  H04M2215/32 ,  H04M2215/34 ,  H04M2215/7442 ,  H04M2215/8166

Abstract: A method and system of facilitating service delivery to a first user (A) registered with a home network (home PLMN) for a particular service having an associated announcement accessible to a service subsystem (4,9) of the home network in a communications system while the user is roaming in a visited network (visited PLMN) of the communications system. The user is identified for the home network and a connection is initiated from the first user (A) to a second user (B) registered with any network of the communications system. The initiated connection is routed to the service subsystem (9) of the home network, the service subsystem (9) of the home network delivers the announcement to the first user, and the service subsystem (9) of the home network establishes a connection between the first and second user (A and B).

Abstract translation: 一种方便和系统的方法和系统，其方法和系统促进向归属网络（家庭PLMN）注册的用于特定服务的第一用户（A）的服务，所述特定服务具有在通信系统中的家庭网络的服务子系统（4,9）可访问的相关联的通知 而用户在通信系统的拜访网络（被访问的PLMN）中漫游。 为家庭网络识别用户，并且从第一用户（A）向通信系统的任何网络注册的第二用户（B）发起连接。 发起的连接被路由到家庭网络的服务子系统（9），家庭网络的服务子系统（9）向第一用户传送通知，并且家庭网络的服务子系统（9）建立 第一和第二用户（A和B）。