公开(公告)号：US20160381567A1

公开(公告)日：2016-12-29

申请号：US15257457

申请日：2016-09-06

Applicant: QUALCOMM Incorporated

Inventor： Naga Bhushan ,  Durga Prasad Malladi ,  Yongbin Wei ,  Peter Gaal ,  Tao Luo ,  Tingfang Ji ,  Gavin Bernard Horn ,  Wanshi Chen ,  Alexsandar Damnjanovic

IPC: H04W16/14 ,  H04W72/04 ,  H04L5/14 ,  H04W28/08 ,  H04L5/00

Abstract: Methods and apparatuses are described for wireless communications. A first method includes transmitting a first Orthogonal Frequency-Division Multiple Access (OFDMA) communications signal to a wireless node in a licensed spectrum, and transmitting, concurrently with the transmission of the first OFDMA communications signal, a second OFDMA communications signal to the wireless node in an unlicensed spectrum. A second method includes receiving a first Orthogonal Frequency-Division Multiple Access (OFDMA) communications signal from a wireless node in a licensed spectrum, and receiving, concurrently with the reception of the first OFDMA communications signal, a second OFDMA communication signal from the wireless node in an unlicensed spectrum. A third method includes generating a periodic gating interval for a cellular downlink in an unlicensed spectrum, and synchronizing at least one boundary of the periodic gating interval with at least one boundary of a periodic frame structure associated with a primary component carrier of the cellular downlink.

Abstract translation: 描述了用于无线通信的方法和装置。 第一种方法包括向许可频谱中的无线节点发送第一正交频分多址（OFDMA）通信信号，以及与第一OFDMA通信信号的传输同时向无线节点发送第二OFDMA通信信号 在无牌频谱中。 第二种方法包括从许可频谱中的无线节点接收第一正交频分多址（OFDMA）通信信号，并且与第一OFDMA通信信号的接收同时接收来自无线节点的第二OFDMA通信信号 在无牌频谱中。 第三种方法包括为非许可频谱中的蜂窝下行链路产生周期性门控间隔，并且将周期性选通间隔的至少一个边界与与蜂窝下行链路的主要分量载波相关联的周期性帧结构的至少一个边界同步。

公开(公告)号：US20150055630A1

公开(公告)日：2015-02-26

申请号：US14528336

申请日：2014-10-30

Applicant: QUALCOMM Incorporated

Inventor： Rashid Ahmed Akbar Attar ,  Alexsandar Damnjanovic ,  Durga Prasad Malladi ,  Francesco Grilli

IPC: H04W36/30

CPC classification number: H04W36/30 ,  H04W36/245

Abstract: System(s) and method(s) are provided for handover of a mobile terminal in a wireless communication system. Handoff resolution relies on both a downlink channel quality indication between a serving base station and the mobile terminal, and uplink channel quality indications amongst the terminal and a measurement set of target base stations. To generate UL channel quality indicators, the mobile station conveys a narrowband or broadband sounding reference signal, and serving and target base stations measure UL and DL performance metrics (e.g., RSRP, RSSI, or RSOT). In backward handover, UL channel state information from target cells is received at the serving base station through backhaul communication, and handoff is resolved based on both UL and DL quality reports. In forward handover, the set of UL quality reports are conveyed to the mobile station to determine a target cell for handoff.

Abstract translation: 提供了一种用于无线通信系统中的移动终端切换的系统和方法。 切换分辨率依赖于服务基站与移动终端之间的下行链路信道质量指示以及终端之间的上行链路信道质量指示和目标基站的测量集合。 为了产生UL信道质量指示符，移动台传送窄带或宽带探测参考信号，并且服务和目标基站测量UL和DL性能度量（例如，RSRP，RSSI或RSOT）。 在向后切换中，通过回程通信在服务基站接收来自目标小区的UL信道状态信息，并且基于UL和DL质量报告来解决切换。 在正向切换中，将该UL质量报告传送给移动台以确定用于切换的目标小区。