公开(公告)号：US10383013B2

公开(公告)日：2019-08-13

申请号：US16136456

申请日：2018-09-20

Applicant: Nokia Solutions and Networks Oy

Inventor： Klaus Ingemann Pedersen ,  Frank Frederiksen

IPC: H04W36/00 ,  H04W36/08 ,  H04W56/00

Abstract: An example technique is provided for receiving, by a target base station (BS) from a source PS, information identifying a source cell or the source BS, and a first time advance value used by the user device to transmit signals to the source BS, receiving a signal by the target BS that was transmitted from the user device based on the first tune advance value, determining, by the target BS based upon the first time advance value and the received signal from the user device, a second time advance value to be used by the user device to transmit data to the target BS, sending the second time advance value from the target BS to the source BS, receiving, by the target BS, a handover of the user device from the source BS to the target BS, and receiving data by the target BS from the user device based on the second time advance value.

公开(公告)号：US20150031383A1

公开(公告)日：2015-01-29

申请号：US14365132

申请日：2011-12-20

Applicant: Nokia Solutions and Networks Oy

Inventor： Yuanye Wang ,  Klaus Ingemann Pedersen

IPC: H04W72/08 ,  H04B7/04

CPC classification number: H04W72/085 ,  H04B7/0413 ,  H04B7/0486 ,  H04W72/0426

Abstract: It is described a method for managing a radio transmission between a base station and a user equipment, wherein a communication channel is used for the radio transmission, wherein the communication channel includes a plurality of channel resources and is based on a MIMO transmission scheme. The method includes dividing the plurality of channel resources into a set of channel resource regions, assigning a MIMO rank to each channel resource region, wherein the MIMO rank is indicative for a number of channel resources to be used for a radio transmission within a corresponding channel resource region, selecting a channel resource region for the radio transmission between the base station and the user equipment, and managing the radio transmission between the base station and the user equipment based on the selected channel resource region and the corresponding assigned MIMO rank.

Abstract translation: 描述了一种用于管理基站和用户设备之间的无线电传输的方法，其中通信信道用于无线电传输，其中通信信道包括多个信道资源并且基于MIMO传输方案。 该方法包括将多个信道资源划分成一组信道资源区域，为每个信道资源区域分配MIMO秩，其中，MIMO秩指示要用于相应信道内的无线电传输的信道资源的数量 资源区域，选择用于基站和用户设备之间的无线电传输的信道资源区域，以及基于所选择的信道资源区域和相应的分配的MIMO秩管理基站与用户设备之间的无线电传输。