公开(公告)号：US20200220670A1

公开(公告)日：2020-07-09

申请号：US16811931

申请日：2020-03-06

Applicant: MEDIATEK INC.

Inventor： Yu-Syuan Jheng ,  Yuanyuan Zhang ,  Yuan-Wen Ting ,  Pei-Shan Kao

IPC: H04L1/18 ,  H04L1/16 ,  H04W28/02 ,  H04B17/391 ,  H04W76/20 ,  H04W76/15 ,  H04W36/08

Abstract: Blockage detection in a wireless transmit receive unit includes performing a radio link measurement on one or more reference signals. The radio link measurement is compared to a comparing threshold and a blockage condition is indicated in response to the comparing of the radio link measurement meeting a threshold criterion on the comparing threshold.

公开(公告)号：US10536878B2

公开(公告)日：2020-01-14

申请号：US15928579

申请日：2018-03-22

Applicant: Mediatek Inc.

Inventor： Yu-Syuan Jheng ,  Pavan Santhana Krishna Nuggehalli ,  Pradeep Jose ,  Chia-Chun Hsu

IPC: H04W28/04 ,  H04W76/20 ,  H04W76/28 ,  H04L5/00 ,  H04W76/15 ,  H04W28/02

Abstract: In an aspect of the disclosure, a method, a computer-readable medium, and an apparatus are provided. The apparatus may be a UE. The UE receives a radio bearer configuration. The UE also configures, based on the received radio bearer configuration, a radio bearer including a first logical channel on a first carrier and a second logical channel on a second carrier. The UE further determines whether to activate the radio bearer to perform duplication. In response to a determination to activate the radio bearer to perform duplication, the UE communicates a first packet on the first logical channel and communicates a duplicated first packet on the second logical channel.

公开(公告)号：US20190090165A1

公开(公告)日：2019-03-21

申请号：US16191648

申请日：2018-11-15

Applicant: MEDIATEK INC.

Inventor： Chien-Chun Huang-Fu ,  Guillaume Sebire ,  Yu-Syuan Jheng

IPC: H04W36/00 ,  H04W36/04 ,  H04W36/14 ,  H04W36/30 ,  H04L29/06 ,  H04W88/08

CPC classification number: H04W36/0022 ,  H04L65/1016 ,  H04L65/1063 ,  H04L65/1083 ,  H04W36/04 ,  H04W36/14 ,  H04W36/30 ,  H04W60/00 ,  H04W88/08

Abstract: A network-based solution of supporting IP multimedia subsystem (IMS) call setup in a next generation system (5GS) is proposed. During an attach or registration area update procedure, a serving base station sends an indication to a UE indicating whether IMS voice over PS session is supported or not. Upon receipt of the indication that IMS VoPS is supported, the UE triggers an IMS registration procedure. However, when an MO/MT call happens, the network determines that the UE may be in conditions where voice service is not supported because the network is not able to provide a successful IMS VoPS over the current serving cell connected to 5G core network. The network then triggers a RAT change or a EPS fallback procedure such that the UE is handover to a target cell that supports IMS VoPS.

公开(公告)号：US20180359614A1

公开(公告)日：2018-12-13

申请号：US16106541

申请日：2018-08-21

Applicant: MEDIATEK INC.

Inventor： Chia-Hao Yu ,  Chia-Chun Hsu ,  Yih-Shen Chen ,  Chien-Chun Huang-Fu ,  Yu-Syuan Jheng

IPC: H04W4/08 ,  H04W4/10 ,  H04W76/40 ,  H04W72/12 ,  H04W36/00 ,  H04W36/30 ,  H04W24/08 ,  H04L12/18 ,  H04L5/00 ,  H04W36/08 ,  H04W72/00 ,  H04W74/00 ,  H04W4/06 ,  H04W36/32

Abstract: A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast bearer in a network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. In one embodiment, The UE requests to switch the DL multicast traffic from the multicast MBMS bearer to the unicast bearer upon detecting that the UE is approaching an MBMS coverage boundary. In another embodiment, the UE transmits an indication of preferred target cells to the network before performing a handover and thereby maintaining multicast service continuity of the group communication.

公开(公告)号：US20180324631A1

公开(公告)日：2018-11-08

申请号：US15971093

申请日：2018-05-04

Applicant: Mediatek Inc.

Inventor： Yu-Syuan Jheng ,  Pavan Santhana Krishna Nuggehalli ,  Chia-Chun Hsu

IPC: H04W28/02 ,  H04W36/00 ,  H04W36/08 ,  H04W72/12 ,  H04W72/02 ,  H04W76/27 ,  H04W68/02 ,  H04W72/04 ,  H04L5/00 ,  H04W36/16

CPC classification number: H04W28/0263 ,  H04L1/1812 ,  H04L5/0055 ,  H04W28/0268 ,  H04W36/0016 ,  H04W36/0022 ,  H04W36/08 ,  H04W36/165 ,  H04W68/02 ,  H04W72/02 ,  H04W72/042 ,  H04W72/1263 ,  H04W76/27

Abstract: In an aspect of the disclosure, an apparatus is provided. The apparatus receives a downlink data packet and determines a service data flow associated with the downlink data packet. The apparatus extracts, from the downlink data packet, a Non-Access Stratum (NAS) Reflective QoS Indication (RQI) indicator that instructs the UE to map a service data flow to the QoS flow. The apparatus further extracts, from the downlink data packet, a Quality of Service (QoS) flow identifier identifying a QoS flow. The apparatus generates a first NAS mapping that maps the service data flow to the QoS flow, in response to a determination that the service data flow is not mapped to the QoS flow at the apparatus. The apparatus further transmits, in accordance with the first NAS mapping, an uplink data packet associated with the service data flow through the QoS flow.

公开(公告)号：US20170374703A1

公开(公告)日：2017-12-28

申请号：US15697620

申请日：2017-09-07

Applicant: MEDIATEK INC.

Inventor： Aimin Justin Sang ,  Yuanyuan Zhang ,  Yu-Syuan Jheng

IPC: H04W76/02 ,  H04W76/04 ,  H04W8/18

CPC classification number: H04W76/15 ,  H04W8/18 ,  H04W8/22 ,  H04W48/08 ,  H04W48/20 ,  H04W76/27

Abstract: Millimeter-wave (mmWave) band communication is a very promising technology for 5G small cells. In practice, such a new system will coexist with legacy or evolved microwave band systems, such as E-UTRAN LTE macro-cell cellular systems, for a long time to come. Considering the typical scenarios where a macro cell offers umbrella coverage for clusters of small cells, several control plane (C-plane) architectural choices of macro-assisted 5G mmWave systems from both UE and network's perspectives are evaluated. Termed macro-assisted mmWave, an effective end-to-end integration of the futuristic mmWave small cells and microwave macro cells shall promise the benefits of both yet avoid individual limitations. The proposed On-demand Reconfiguration C-Place Architecture (ORCA) for Macro-assisted Millimeter Wave (mmWave) small cells is designed to meet 5G expectations of dense deployment of small cells and UEs and beamformed intermittent Gbps links.

公开(公告)号：US09814081B2

公开(公告)日：2017-11-07

申请号：US13957683

申请日：2013-08-02

Applicant: MediaTek Inc.

Inventor： Chien-Yi Wang ,  Wei-Chiang Peng ,  Kuan-Ming Lin ,  Yu-Syuan Jheng

IPC: H04W76/00 ,  H04W4/22 ,  H04W4/02 ,  H04M3/42 ,  H04M3/51 ,  H04L29/06

CPC classification number: H04W76/007 ,  H04L65/1016 ,  H04L65/1046 ,  H04L65/1069 ,  H04M3/42102 ,  H04M3/42306 ,  H04M3/42348 ,  H04M3/5116 ,  H04M2207/185 ,  H04W4/02 ,  H04W4/90 ,  H04W76/50

Abstract: A communications apparatus includes a baseband signal processing device, an RF signal processing device, a memory device, and a processor. The processor transmits a normal call-establishment signal with a remote identifier to a network to originate a normal call in response to a first call-origination request with the remote identifier, receives an indication message indicating that the normal call is routed as an emergency call from the network, records the remote identifier in the memory device, and when receiving a second call-origination request with the remote identifier, transmits an emergency call-establishment signal with the remote identifier to the network to originate an emergency call in response to the second call-origination request.

公开(公告)号：US09787596B2

公开(公告)日：2017-10-10

申请号：US15005329

申请日：2016-01-25

Applicant: MEDIATEK INC.

Inventor： Chien-Chun Huang-Fu ,  Weirong Chu ,  Yu-Syuan Jheng

IPC: H04L12/70 ,  H04L12/805 ,  H04L12/727 ,  H04W28/12 ,  H04W72/04 ,  H04L29/08 ,  H04L29/06 ,  H04W28/18

CPC classification number: H04L47/365 ,  H04L29/08 ,  H04L45/121 ,  H04L47/36 ,  H04L69/166 ,  H04W28/12 ,  H04W28/18 ,  H04W72/0426

Abstract: A method of control Maximum Transmission Unit (MTU) reporting and discovery using AT commands is proposed. In communications networks, the MTU of a communication protocol of a layer is the size (in bytes or octets) of the largest protocol data unit that the layer can pass onwards. In an IP network, IP packets may be fragmented if the supported MTU size is smaller than the packet length. In accordance with one novel aspect, the packet data protocol (PDP) context of a packet data network (PDN) connection comprises MTU information. By introducing MTU information to the PDP contexts, TE can use AT commands to query MTU parameters from the network and thereby avoid fragmentation. TE can also use AT command to set MTU parameters and thereby control MTU discovery.

公开(公告)号：US20170041872A1

公开(公告)日：2017-02-09

申请号：US15334006

申请日：2016-10-25

Applicant: MEDIATEK INC.

Inventor： Yu-Syuan Jheng ,  Chien-Chun Huang-Fu ,  Chia-Ming Chou

IPC: H04W52/02 ,  H04W52/14 ,  H04W52/28 ,  H04W28/02

CPC classification number: H04W52/0212 ,  H04W28/0221 ,  H04W28/0273 ,  H04W28/12 ,  H04W52/0216 ,  H04W52/0258 ,  H04W52/146 ,  H04W52/281 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/21

Abstract: Methods for enhanced UE data transmission for power consumption optimization are disclosed. A UE detects UE conditions and determines a UE traffic characteristic. The UE performs power consumption optimization based on the traffic characteristic. In one novel aspect, based on the UE condition, the UE determines that the traffic characteristic is low priority traffic or mobile originated only traffic. In one embodiment, the UE aligns prescheduled low priority data transmission with mobility management messages, or group multiple low priority prescheduled data transmission together. In another embodiment, the UE reduces NAS retry process upon detecting application triggered low priority traffic. In another embodiment, the UE turns off RF module until next data transmission for MO only traffic. In another novel aspect, the UE detects and sends UE conditions to the network. The network determines a UE traffic characteristic and performs power consumption optimization accordingly.

Abstract translation: 公开了用于功率消耗优化的增强的UE数据传输的方法。 UE检测UE条件并确定UE业务特性。 UE根据业务特性进行功耗优化。 在一个新颖的方面，基于UE条件，UE确定业务特性是低优先级业务或移动发起的业务。 在一个实施例中，UE将预调节的低优先级数据传输与移动性管理消息对齐，或者将多个低优先级预先调度的数据传输组合在一起。 在另一个实施例中，UE在检测到应用触发的低优先级业务时，减少NAS重试过程。 在另一个实施例中，UE关闭RF模块，直到下一次数据传输为MO仅流量。 在另一个新颖的方面，UE检测并向网络发送UE条件。 网络确定UE流量特性并相应地执行功耗优化。

公开(公告)号：US20160373902A1

公开(公告)日：2016-12-22

申请号：US15249552

申请日：2016-08-29

Applicant: MEDIATEK INC.

Inventor： Chia-Hao Yu ,  Chia-Chun Hsu ,  Yih-Shen Chen ,  Chien-Chun Huang-Fu ,  Yu-Syuan Jheng

IPC: H04W4/08 ,  H04W4/06 ,  H04W4/10 ,  H04W72/12 ,  H04W36/30 ,  H04W74/00 ,  H04W36/08 ,  H04W36/00

CPC classification number: H04W4/08 ,  H04L5/0037 ,  H04L12/185 ,  H04L12/1886 ,  H04W4/06 ,  H04W4/10 ,  H04W24/08 ,  H04W36/0083 ,  H04W36/08 ,  H04W36/30 ,  H04W36/32 ,  H04W72/00 ,  H04W72/005 ,  H04W72/121 ,  H04W74/006 ,  H04W76/40

Abstract: A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. In one embodiment, The UE requests to switch the DL multicast traffic from the multicast MBMS bearer to the unicast EPS bearer upon detecting that the UE is approaching an MBMS coverage boundary. In another embodiment, the UE transmits an indication of preferred target cells to the network before performing a handover and thereby maintaining multicast service continuity of the group communication.

Abstract translation: 提供了一种通过LTE MBMS支持群组通信的方法。 UE首先在用于组通信的LTE网络中建立单播演进分组业务（EPS）承载。 UE属于具有通信组ID的通信组。 UE从网络接收基于多播决定的DL组通信的下行链路（DL）组播流量的接入信息。 然后，UE准备监视用于接收DL多播业务的组播多媒体广播多播服务（MBMS）承载。 在一个实施例中，当UE正在接近MBMS覆盖边界时，UE请求将DL组播业务从组播MBMS承载切换到单播EPS承载。 在另一个实施例中，UE在执行切换之前向网络发送优选目标小区的指示，从而保持组通信的多播服务连续性。