公开(公告)号：US20180376477A1

公开(公告)日：2018-12-27

申请号：US16116083

申请日：2018-08-29

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Peter GAAL ,  Shimman PATEL ,  Juan MONTOJO ,  Hao XU ,  Aleksandar DAMNJANOVIC

IPC: H04W72/04 ,  H04L5/00

Abstract: Aspects of the present disclosure generally relate to a conditional utilization of reference signals for managing communications of one or more user equipment (UE) in a wireless communications system. The described aspects include receiving a transmission having a first subframe slot and a second subframe slot, at least one of the first subframe slot and the second subframe slot have a single-slot transmission time interval (TTI). The described aspects further include detecting a first demodulation reference signal (DM-RS) in the first subframe slot and a second DM-RS in the second subframe slot. The described aspects further include determining whether to demodulate the at least one downlink channel in the first subframe slot using the first DM-RS in the first subframe slot or to demodulate both the first DM-RS in the first subframe slot and the second DM-RS in the second subframe slot based on whether at least one condition exists.

公开(公告)号：US20180213486A1

公开(公告)日：2018-07-26

申请号：US15874595

申请日：2018-01-18

Applicant: QUALCOMM Incorporated

Inventor： Taesang YOO ,  Xiaoxia ZHANG ,  Aleksandar DAMNJANOVIC ,  Juan MONTOJO ,  Siddhartha MALLIK

IPC: H04W52/24 ,  H04L5/00 ,  H04W72/14 ,  H04W72/04

Abstract: Certain aspects of the present disclosure relate to methods and apparatus for power control in coordinated multipoint (CoMP) scenarios that utilize joint transmission (JT). For example, a method for power control at a base station, may include receiving an indication, from at least one of a plurality of paired UEs served by a set of base stations using a common set of time/frequency resources, of a parameter relating to an uplink reference signal used for transmitting an uplink reference signal.

公开(公告)号：US20180110056A1

公开(公告)日：2018-04-19

申请号：US15488018

申请日：2017-04-14

Applicant: QUALCOMM Incorporated

Inventor： Xiaoxia ZHANG ,  Taesang YOO ,  Siddhartha MALLIK ,  Juan MONTOJO ,  Aleksandar DAMNJANOVIC

IPC: H04W72/10 ,  H04W74/08 ,  H04L5/00 ,  H04W74/00

CPC classification number: H04W72/10 ,  H04L5/0048 ,  H04W16/14 ,  H04W74/006 ,  H04W74/0808 ,  H04W74/0833

Abstract: A method and apparatus for wireless communications are described. The method and apparatus may include transmitting at least one frame that includes a first acquisition interval associated with a first operator and one or more first transmission opportunities having a guarantee interval for the first operator, and a second acquisition interval associated with a second operator different from the first operator and one or more second transmission opportunities having a guarantee interval for the second operator, the first acquisition interval and the one or more first transmission opportunities nonoverlapping with the second acquisition interval and the one or more second transmission opportunities.

公开(公告)号：US20170311144A1

公开(公告)日：2017-10-26

申请号：US15633610

申请日：2017-06-26

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Peter GAAL ,  Aleksandar DAMNJANOVIC ,  Michael Mao WANG

IPC: H04W8/00 ,  H04W56/00 ,  H04L5/00

Abstract: Base stations (such as small cells) may support active and dormant states. To facilitate state transitions, these cells may transmit discovery signals. The transmission design of both discovery signals and network synchronization signals from small cells should provide for regular periodicity, while supporting the benefit of transitioning between active and dormant states. Disclosed is a method, a computer program product, and an apparatus that determine a first reference signal for at least one of discovery or measurement, and a second reference signal for synchronization, where both the first reference signal and the second reference signal are based on a same type of reference signal.

公开(公告)号：US20170295552A1

公开(公告)日：2017-10-12

申请号：US15479210

申请日：2017-04-04

Applicant: QUALCOMM Incorporated

Inventor： Shimman Arvind PATEL ,  Yongbin WEI ,  Peter GAAL ,  Alberto RICO ALVARINO ,  Gordon WALKER ,  Wanshi CHEN ,  Aleksandar DAMNJANOVIC ,  Juan MONTOJO

IPC: H04W56/00 ,  H04W72/04

CPC classification number: H04W56/001 ,  H04L27/2602 ,  H04L27/2607 ,  H04L27/2611 ,  H04W72/005 ,  H04W72/042 ,  H04W72/0446

Abstract: Aspects of the present disclosure relate to wireless communications and, more particularly, to synchronization for standalone long term evolution (LTE) broadcast. In one aspect, a method is provided which may be performed by a wireless device such as a base station (BS). The method generally includes providing unicast coverage to one or more user equipments (UEs) in a unicast coverage area within a larger coverage area, transmitting unicast data in one or more subframes, and transmitting synchronization signals within one or more of the broadcast subframes, wherein the broadcast signals are transmitted as single frequency network (SFN) transmissions synchronized with transmissions from one or more other base stations providing unicast coverage within the larger coverage area.

公开(公告)号：US20170257838A1

公开(公告)日：2017-09-07

申请号：US15398515

申请日：2017-01-04

Applicant: QUALCOMM Incorporated

Inventor： Shimman Arvind PATEL ,  Peter GAAL ,  Wanshi CHEN ,  Juan MONTOJO ,  Aleksandar DAMNJANOVIC

IPC: H04W56/00 ,  H04W74/00 ,  H04H20/08

CPC classification number: B65D5/38 ,  B65D1/34 ,  B65D81/02 ,  B65D2571/00444 ,  H04H20/08 ,  H04J11/00 ,  H04W16/32 ,  H04W56/00 ,  H04W56/0025 ,  H04W74/006 ,  H04W88/02

Abstract: Aspects of the present disclosure relate to wireless communications and, more particularly, to synchronization for standalone long term evolution (LTE) broadcast. In one aspect, a method is provided which may be performed by a wireless device such as a user equipment (UE). The method generally monitoring, within anchor subframes occurring at a first periodicity, for synchronization signals of a first type, obtaining an indication of one or more unicast subframes scheduled to occur between anchor subframes, and obtaining an indication of one or more broadcast subframes scheduled to occur between anchor subframes.

公开(公告)号：US20170238312A1

公开(公告)日：2017-08-17

申请号：US15368444

申请日：2016-12-02

Applicant: QUALCOMM Incorporated

Inventor： Wanshi CHEN ,  Peter GAAL ,  Shimman PATEL ,  Juan MONTOJO ,  Hao XU ,  Aleksandar DAMNJANOVIC

IPC: H04W72/04 ,  H04L5/00

CPC classification number: H04W72/0446 ,  H04L5/0014 ,  H04L5/0042 ,  H04L5/0048 ,  H04L5/0051 ,  H04L25/0228 ,  H04W72/0406

Abstract: Aspects of the present disclosure generally relate to a conditional utilization of reference signals for managing communications of one or more user equipment (UE) in a wireless communications system. The described aspects include receiving a transmission having a first subframe slot and a second subframe slot, at least one of the first subframe slot and the second subframe slot have a single-slot transmission time interval (TTI). The described aspects further include detecting a first demodulation reference signal (DM-RS) in the first subframe slot and a second DM-RS in the second subframe slot. The described aspects further include determining whether to demodulate the at least one downlink channel in the first subframe slot using the first DM-RS in the first subframe slot or to demodulate both the first DM-RS in the first subframe slot and the second DM-RS in the second subframe slot based on whether at least one condition exists.

公开(公告)号：US20170181182A1

公开(公告)日：2017-06-22

申请号：US15295328

申请日：2016-10-17

Applicant: QUALCOMM Incorporated

Inventor： Shimman Arvind PATEL ,  Wanshi CHEN ,  Juan MONTOJO ,  Hao XU ,  Aleksandar DAMNJANOVIC ,  Seyedkianoush HOSSEINI

IPC: H04W72/12 ,  H04B7/06 ,  H04B17/336 ,  H04W72/04 ,  H04L5/00

CPC classification number: H04W72/1231 ,  H04B7/0626 ,  H04B17/336 ,  H04L5/0048 ,  H04W56/003 ,  H04W72/0446 ,  H04W72/121 ,  H04W72/1268 ,  H04W72/1273

Abstract: Various aspects described herein relate to scheduling resources in wireless communications. In one aspect, communications can be established with a plurality of user equipment (UE). A set of the plurality of UEs as having an interference impact on one another that is less than a threshold can be determined. A first UE of the set of the plurality of UEs can be scheduled for downlink communications in a first transmission time interval (TTI), and a second UE of the set of the plurality of UEs can be scheduled for uplink communications in a second TTI that is adjacent in time to the first TTI. In another aspect, uplink communications for the first UE can be scheduled in a portion of the guard period TTI based at least in part on determining a timing advance of the first UE is less than a threshold.

公开(公告)号：US20170048796A1

公开(公告)日：2017-02-16

申请号：US15335386

申请日：2016-10-26

Applicant: QUALCOMM Incorporated

Inventor： Hao XU ,  Durga Prasad MALLADI ,  Yongbin WEI ,  Peter GAAL ,  Wanshi CHEN ,  Aleksandar DAMNJANOVIC ,  Tao LUO

IPC: H04W52/02

CPC classification number: H04W52/0225 ,  H04B7/14 ,  H04L5/0007 ,  H04W52/0206 ,  H04W52/0209 ,  H04W52/0216 ,  H04W52/0229 ,  H04W74/0833 ,  H04W88/04 ,  H04W88/08 ,  Y02B70/30 ,  Y02D70/00 ,  Y02D70/122 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/142 ,  Y02D70/146 ,  Y02D70/21 ,  Y02D70/24 ,  Y02D70/25

Abstract: A method, an apparatus, and a computer program product for wireless communication are provided. The apparatus identifies first entity and transmits a very low duty cycle signal (LDCS) configuration of the first entity. The apparatus may comprise, e.g., an LPN that is not in a dormant state or a macrocell. The apparatus may receive LDCS information for the first entity. The apparatus may determine the LDCS configuration and transmit the LDCS configuration to the first entity.

Abstract translation: 提供了一种用于无线通信的方法，装置和计算机程序产品。 该装置识别第一实体并且发送第一实体的非常低的占空比信号（LDCS）配置。 该装置可以包括例如不处于休眠状态的LPN或宏小区。 设备可以接收第一实体的LDCS信息。 该设备可以确定LDCS配置并将LDCS配置发送到第一实体。

公开(公告)号：US20160345360A1

公开(公告)日：2016-11-24

申请号：US15153516

申请日：2016-05-12

Applicant: QUALCOMM Incorporated

Inventor： Marco PAPALEO ,  Srinivas YERRAMALLI ,  Aleksandar DAMNJANOVIC ,  Tao LUO ,  Peter GAAL ,  Durga Prasad MALLADI

IPC: H04W74/08 ,  H04W72/04

CPC classification number: H04W74/08 ,  H04W72/0446 ,  H04W72/1289 ,  H04W84/20

Abstract: In order to provide a generic access rule, the present disclosure proposes a new potential set of adaptivity rules for LBE based on LBT. The generic access rule of the present disclosure provides LTE-U and Wi-Fi coexistence and DL/UL coexistence in both LTE-U and Wi-Fi. The apparatus receives, from the first master device, a resource allocation for communicating with the second master device. The apparatus also determines a type of CCA procedure to perform before communicating with the second master device on an unlicensed channel. The apparatus further performs a CCA procedure to obtain a transmission opportunity based on the determining, the CCA procedure being one of an ICCA procedure or an ECCA procedure. In addition, the apparatus transmit data to the second master device in accordance with the resource allocation on the unlicensed channel when the transmission opportunity is obtained.

Abstract translation: 为了提供通用访问规则，本公开提出了一种基于LBT的LBE的新的潜在适应性规则集合。 本公开的通用访问规则在LTE-U和Wi-Fi中提供LTE-U和Wi-Fi共存以及DL / UL共存。 该设备从第一主设备接收用于与第二主设备进行通信的资源分配。 该设备还确定在与未授权信道上与第二主设备通信之前要执行的CCA过程的类型。 该装置进一步执行CCA程序以基于确定作为ICCA过程或ECCA过程之一的CCA过程来获得发送机会。 此外，当获得发送机会时，装置根据非许可信道上的资源分配向第二主设备发送数据。