公开(公告)号：US20170303114A1

公开(公告)日：2017-10-19

申请号：US15481448

申请日：2017-04-06

Applicant: MEDIATEK INC.

Inventor： Johan Johansson ,  Chia-Chun Hsu ,  Chien-Chun Huang-Fu

IPC: H04W8/22 ,  G10L19/24 ,  H04W72/04 ,  G10L19/002 ,  H04W88/02

CPC classification number: H04W8/22 ,  G10L19/002 ,  G10L19/24 ,  H04W72/04 ,  H04W88/02

Abstract: Apparatus and methods are provided for enhanced codec control. In one novel aspect, a method includes receiving a codec control command by a user equipment (UE) in a wireless network, determining if the recommended codec characteristic will be applied to a codec executing on the UE, and adjusting a characteristic of the codec executing on the UE based on the recommended codec characteristic. The UE is connected with a radio access network (RAN) and the codec control command includes a recommended codec characteristic. In another novel aspect, the recommended codec characteristic is a maximum bitrate. In another embodiment, the recommended codec characteristic is a type of codec. In yet another novel aspect, the recommended codec characteristic is a radio resource allocation command. In another novel aspect, the UE determines all available codec bitrates that can be performed by the UE and communicates the bitrates before receiving the codec control command.

公开(公告)号：US20160338102A1

公开(公告)日：2016-11-17

申请号：US15152750

申请日：2016-05-12

Applicant: MEDIATEK INC.

Inventor： Pavan Santhana Krishna Nuggehalli ,  Chie-Ming Chou ,  Chia-Chun Hsu

IPC: H04W74/08 ,  H04W48/16 ,  H04W76/04

CPC classification number: H04W74/08 ,  H04L5/001 ,  H04L12/4645 ,  H04W48/16 ,  H04W72/085 ,  H04W72/10 ,  H04W76/27 ,  H04W84/042 ,  H04W84/12 ,  H04W88/06

Abstract: LTE-WLAN aggregation (LWA) at the radio access network level promises significant gain in system capacity and user quality of experience (QoE). In order to support QoS over LWA, there is a need to develop mechanisms to ensure that the access category (AC) classification chosen by a wireless device (AP in the case of downlink, and UE in case of uplink) is consistent with the QoS requirements of the EPS bearer/DRB and/or subscriber profile to which the traffic belongs. The cellular LTE network can provision QoS for both downlink and uplink data flows that are transferred using LWA access.

公开(公告)号：US20160338074A1

公开(公告)日：2016-11-17

申请号：US15153990

申请日：2016-05-13

Applicant: MEDIATEK INC.

Inventor： Chie-Ming Chou ,  Chia-Chun Hsu ,  Pavan Santhana Krishna Nuggehalli

IPC: H04W72/08 ,  H04W76/04

CPC classification number: H04W76/27 ,  H04W28/0236 ,  H04W28/12 ,  H04W76/15 ,  H04W84/042 ,  H04W84/12 ,  H04W88/06

Abstract: LWA (LTE-WLAN Aggregation) is a tight integration at radio level which allows for real-time channel and load aware radio resource management across WLAN and LTE to provide significant capacity and quality of experience (QoE) improvements. When enabling LWA, packets are routed to a base station (eNB) for performing PDCP functionalities as an LTE PDU. Afterwards, the eNB can schedule the PDU either translated over LTE link or WLAN link. The eNB can acquire packet delay information regarding the WLAN link or obtain PDCP layer performance feedback from the UE. As a result, the eNB can adjust PDCP parameter setting and LWA scheduling accordingly.

Abstract translation: LWA（LTE-WLAN聚合）是无线电级别的紧密集成，允许WLAN和LTE之间的实时信道和负载感知无线电资源管理提供显着的容量和质量的体验（QoE）改进。 当启用LWA时，分组被路由到用于执行作为LTE PDU的PDCP功能的基站（eNB）。 之后，eNB可以通过LTE链路或WLAN链路调度PDU。 eNB可以获取关于WLAN链路的分组延迟信息，或从UE获得PDCP层性能反馈。 结果，eNB可以相应地调整PDCP参数设置和LWA调度。

公开(公告)号：US20160338073A1

公开(公告)日：2016-11-17

申请号：US15152733

申请日：2016-05-12

Applicant: MEDIATEK INC.

Inventor： Pavan Santhana Krishna Nuggehalli ,  Chie-Ming Chou ,  Chia-Chun Hsu

IPC: H04W72/08 ,  H04L12/46 ,  H04W72/10

CPC classification number: H04W74/08 ,  H04L5/001 ,  H04L12/4645 ,  H04W48/16 ,  H04W72/085 ,  H04W72/10 ,  H04W76/27 ,  H04W84/042 ,  H04W84/12 ,  H04W88/06

Abstract: LTE-WLAN aggregation (LWA) at the radio access network level promises significant gain in system capacity and user quality of experience (QoE). In order to support QoS over LWA, there is a need to develop mechanisms to ensure that the access category (AC) classification chosen by a wireless device (AP in the case of downlink, and UE in case of uplink) is consistent with the QoS requirements of the EPS bearer/DRB and/or subscriber profile to which the traffic belongs. The cellular LTE network can provision QoS for both downlink and uplink data flows that are transferred using LWA access.

Abstract translation: 在无线电接入网级别的LTE-WLAN聚合（LWA）可以显着提高系统容量和用户体验质量（QoE）。 为了在LWA上支持QoS，需要开发机制以确保无线设备（在下行链路的情况下为AP，上行链路的UE）选择的接入类别（AC）分类与QoS一致 业务所属的EPS承载/ DRB和/或用户简档的要求。 蜂窝LTE网络可以为使用LWA接入传送的下行链路和上行链路数据流提供QoS。

公开(公告)号：US20160338068A1

公开(公告)日：2016-11-17

申请号：US15152771

申请日：2016-05-12

Applicant: MEDIATEK INC.

Inventor： Ming-Yuan Cheng ,  Yih-Shen Chen ,  Chie-Ming Chou ,  Pavan Santhana Krishna Nuggehalli ,  Chia-Chun Hsu

IPC: H04W72/04 ,  H04W24/10 ,  H04W72/08

CPC classification number: H04W28/22 ,  H04L1/0002 ,  H04L1/0015 ,  H04L1/0025 ,  H04L1/0026 ,  H04L47/14 ,  H04W28/0236 ,  H04W28/08 ,  H04W88/06

Abstract: LWA (LTE/WLAN Aggregation) is a tight integration at radio level which allows for real-time channel and load aware radio resource management across WLAN and LTE to provide significant user perceived throughput (UPT) improvement. When enabling LWA, packets are routed to a base station (eNB) for performing PDCP functionalities as an LTE PDU. Afterwards, the eNB can dispatch the PDU either delivered over LTE link or WLAN link. The UPT improvement depends on how the eNB dispatches the PDU over LTE link or WLAN link. In one novel aspect, the eNB can acquire channel information, load information, and throughput estimation regarding with WLAN link and LTE link. As a result, the eNB can optimize UPT and LWA PDU dispatching algorithm.

Abstract translation: LWA（LTE / WLAN聚合）是无线电级别的紧密集成，其允许跨WLAN和LTE的实时信道和负载感知无线电资源管理，以提供显着的用户感知吞吐量（UPT）改进。 当启用LWA时，分组被路由到用于执行作为LTE PDU的PDCP功能的基站（eNB）。 之后，eNB可以通过LTE链路或WLAN链路发送PDU。 UPT的改进取决于eNB如何通过LTE链路或WLAN链路分派PDU。 在一个新颖的方面，eNB可以获取关于WLAN链路和LTE链路的信道信息，负载信息和吞吐量估计。 因此，eNB可以优化UPT和LWA PDU调度算法。

公开(公告)号：US20160337904A1

公开(公告)日：2016-11-17

申请号：US15154041

申请日：2016-05-13

Applicant: MEDIATEK INC.

Inventor： Chia-Chun Hsu ,  Pavan Santhana Krishna Nuggehalli ,  Chie-Ming Chou

IPC: H04W28/12 ,  H04W28/02 ,  H04W24/10 ,  H04W76/02

CPC classification number: H04W28/18 ,  H04W8/18 ,  H04W8/205 ,  H04W8/24 ,  H04W24/10 ,  H04W28/021 ,  H04W28/0289 ,  H04W28/12 ,  H04W28/24 ,  H04W36/22 ,  H04W48/14 ,  H04W88/023 ,  H04W88/06

Abstract: Apparatus and methods are provided for finer control for WLAN association. In one novel aspect, an enhanced NCWIK capability negotiation, an UE assistance information exchange, and an enhanced steering command are performed. In one embodiment, the enhanced NCIWK capacity negotiation includes additional UE information for fine selection. In another embodiment, the UE assistance information is sent to the eNB in addition to the measurement report. The UE assistance information is configured by the eNB. In yet another embodiment, the enhanced traffic steering command includes information of a target AP and one or more target channels. In one embodiment, the enhanced traffic steering command further includes channel direction information. In another novel aspect, the UE selects different UL and DL channels based on the received enhanced traffic steering command. In one embodiment, the UL and DL channels for the UE are different channels from the same AP or from different RATS.

Abstract translation: 提供了用于WLAN关联的更精细控制的装置和方法。 在一个新颖的方面，执行增强的NCWIK能力协商，UE辅助信息交换和增强的转向命令。 在一个实施例中，增强的NCIWK容量协商包括用于精细选择的附加UE信息。 在另一个实施例中，除了测量报告之外，还向eNB发送UE辅助信息。 UE辅助信息由eNB配置。 在另一个实施例中，增强的业务转向命令包括目标AP和一个或多个目标信道的信息。 在一个实施例中，增强的业务转向命令还包括信道方向信息。 在另一个新颖的方面，UE基于接收到的增强业务转向命令来选择不同的UL和DL信道。 在一个实施例中，用于UE的UL和DL信道是来自相同AP或来自不同RATS的不同信道。

公开(公告)号：US09462528B2

公开(公告)日：2016-10-04

申请号：US14953753

申请日：2015-11-30

Applicant: MEDIATEK INC.

Inventor： Yih-Shen Chen ,  Chia-Chun Hsu ,  William Plumb ,  Michael Roberts

IPC: H04W4/00 ,  H04W36/30 ,  H04W36/08 ,  H04W24/08 ,  H04W60/04 ,  H04W72/08 ,  H04W76/02 ,  H04W24/10 ,  H04W36/00 ,  H04W24/00 ,  H04W28/04 ,  H04W28/18 ,  H04W48/20 ,  H04W84/18 ,  H04W88/06

CPC classification number: H04W36/30 ,  H04W24/00 ,  H04W24/08 ,  H04W24/10 ,  H04W28/04 ,  H04W28/18 ,  H04W36/0016 ,  H04W36/08 ,  H04W48/20 ,  H04W60/04 ,  H04W72/082 ,  H04W76/19 ,  H04W84/18 ,  H04W88/06

Abstract: Various methods for wireless communication in a device with co-existed/co-located radios are provided. Multiple communication radio transceivers are co-existed/co-located in a user equipment (UE) having in-device coexistence (IDC) capability, which may result in IDC interference. For example, the UE is equipped with both LTE radio and some ISM band applications such as WiFi and Bluetooth modules. In a first method, the network identifies IDC capability by UE identification (e.g., UE ID). In a second method, the UE intentionally performs cell selection or reselection to cells in non-ISM frequency bands. In a third method, the UE signals the existence of ISM band applications via capability negotiation. In a fourth method, the UE signals the activation of ISM band applications by signaling messages (e.g., RRC message or MAC CE). Under the various methods, the UE and its serving eNB can apply FDM or TDM solutions to mitigate the IDC interference.

公开(公告)号：US20160286527A1

公开(公告)日：2016-09-29

申请号：US15172258

申请日：2016-06-03

Applicant: MEDIATEK INC.

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

IPC: H04W72/00 ,  H04L5/00 ,  H04W4/10 ,  H04L12/18 ,  H04W24/08

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. The multicast MBMS bearer is associated with a Temporary Mobile Group Identifier (TMGI), and wherein the TMGI is associated with the communication group ID. In one embodiment, the access information comprises mapping information between the TMGI and the communication group ID.

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。 组播MBMS承载与临时移动组标识符（TMGI）相关联，并且其中TMGI与通信组ID相关联。 在一个实施例中，访问信息包括TMGI和通信组ID之间的映射信息。

公开(公告)号：US09357421B2

公开(公告)日：2016-05-31

申请号：US14257226

申请日：2014-04-21

Applicant: MEDIATEK INC.

Inventor： Chien-Hwa Hwang ,  Chia-Chun Hsu ,  William Plumb

IPC: H04W24/10 ,  H04L5/00 ,  H04W52/36 ,  H04W52/34

CPC classification number: H04W24/10 ,  H04L5/001 ,  H04W52/34 ,  H04W52/365 ,  Y02D70/00

Abstract: A method of power headroom reporting (PHR) is proposed. A UE is configured with a plurality of component carriers (CCs) and is served by one or more power amplifiers (PAs) in a wireless system with carrier aggregation. The UE determines transmit power limitation (TPL) information that comprises a set of TPL values, each TPL value corresponds to a UE-configured maximum transmit power for UE-level, PA-level, and CC-level. The TPL information is then reduced to non-redundant TPL values. Based on the non-redundant TPL values, the UE determines power headroom (PH) information that comprises a set of PH values. Each PH value equals to a TPL value subtracted by a UE-calculated transmit power. The UE reports the PH information to a base station via a fixed-length or variable-length MAC CE at each PHR reporting instance.

Abstract translation: 提出了一种功率余量报告（PHR）的方法。 UE配置有多个分量载波（CC），并由具有载波聚合的无线系统中的一个或多个功率放大器（PA）服务。 UE确定包括一组TPL值的发射功率限制（TPL）信息，每个TPL值对应于UE配置的用于UE级，PA级和CC级的最大发射功率。 然后将TPL信息减少为非冗余TPL值。 基于非冗余TPL值，UE确定包括一组PH值的功率余量（PH）信息。 每个PH值等于由UE计算的发射功率减去的TPL值。 在每个PHR报告实例中，UE经由固定长度或可变长度的MAC CE向基站报告PH信息。

公开(公告)号：US20160143063A1

公开(公告)日：2016-05-19

申请号：US15006427

申请日：2016-01-26

Applicant: MEDIATEK INC. ,  National Taiwan University

Inventor： Guan-Yu Lin ,  Hung-Yu Wei ,  Yih-Shen Chen ,  Chia-Chun Hsu

IPC: H04W74/08 ,  H04W4/00

CPC classification number: H04W74/0833 ,  H04W4/70 ,  H04W48/06 ,  H04W74/006 ,  H04W74/085 ,  H04W84/04

Abstract: An adaptive RACH operation is proposed for machine-type communications (MTC) in a 3GPP wireless network. The adaptive RACH operation is based on context information to reduce RACH collision probability, to control network overload, and to enhance system performance. The context information includes device related information and network related information. Device related information includes device type and service or application type. Network related information includes network load information and historical statistics information. Based on the context information, an MTC device adjusts various network access and RACH parameters by applying adaptive RACH operation in different levels. For example, in the application level and the network level, the MTC device adjusts its access probability or RACH backoff time for RACH access. In the radio access network (RAN) level, the MTC device adjusts its access probability or RACH backoff time, or transmits RACH preambles using adjusted RACH radio resources and preambles.

Abstract translation: 针对3GPP无线网络中的机器型通信（MTC）提出了一种自适应RACH操作。 自适应RACH操作基于上下文信息来减少RACH冲突概率，控制网络过载，并提高系统性能。 上下文信息包括设备相关信息和网络相关信息。 设备相关信息包括设备类型和服务或应用类型。 网络相关信息包括网络负载信息和历史统计信息。 基于上下文信息，MTC设备通过在不同级别应用自适应RACH操作来调整各种网络接入和RACH参数。 例如，在应用级别和网络级别中，MTC设备调整其接入概率或RACH接入的RACH退避时间。 在无线电接入网络（RAN）级别中，MTC设备调整其接入概率或RACH退避时间，或者使用调整的RACH无线电资源和前导码来发送RACH前导码。