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    Signaling design to support in-device coexistence interference avoidance
    101.
    发明授权
    Signaling design to support in-device coexistence interference avoidance 有权

    公开(公告)号：US09807659B2

    公开(公告)日：2017-10-31

    申请号：US14753840

    申请日：2015-06-29

    Applicant: MEDIATEK INC.

    Inventor： I-Kang Fu ,  Yih-Shen Chen ,  William Plumb ,  Per Johan Mikael Johansson

    IPC: H04Q7/10 ,  H04W36/20 ,  H04W24/10 ,  H04W88/06

    CPC classification number: H04W36/20 ,  H04W24/10 ,  H04W88/06

    Abstract: A method of implicit signaling to support In-Device coexistence interference avoidance is provided. A UE sends an IDC interference indication to an eNB. The indication indicates that a serving frequency becomes unusable due to a coexistence interference problem. The indication does not explicitly indicate a frequency index or a frequency location of the unusable serving frequency. The eNB determines the serving frequency as unusable in an implicit manner. The eNB also determines an implied unusable frequency region based on the received IDC indication. The implied unusable frequency region is between the serving frequency and the ISM band. In one advantageous aspect, the eNB configures a condition for the UE, such that the UE is refrained from sending IDC interference indications unless the condition is satisfied.

    Dynamic offload selection in mobile communication systems
    105.
    发明授权
    Dynamic offload selection in mobile communication systems 有权

    公开(公告)号：US09661546B2

    公开(公告)日：2017-05-23

    申请号：US14607420

    申请日：2015-01-28

    Applicant: MEDIATEK INC.

    Inventor： Per Johan Mikael Johansson ,  Chia-Chun Hsu ,  Yu-Syuan Jheng ,  Aimin Justin Sang

    IPC: H04W4/00 ,  H04W36/30 ,  H04W84/12 ,  H04W36/14

    CPC classification number: H04W36/30 ,  H04W28/08 ,  H04W36/14 ,  H04W36/22 ,  H04W84/12

    Abstract: A method of offload selection for a UE to select between 3GPP RAT and WLAN cell is provided. The UE receives configuration information that applies to selecting WLAN or 3GPP radio access technology (RAT). The UE determines if the UE may perform WLAN offload by evaluating 3GPP radio access network (RAN) conditions where at least one RAN condition is related to a radio signal strength or a radio signal quality in 3GPP RAT. The UE then determines if there is at least one suitable WLAN cell by evaluating WLAN conditions. The UE also determines if there is candidate traffic for WLAN offload. Finally, the UE steers the determined traffic to WLAN if the UE may perform WLAN offload and if there is at least one suitable WLAN cell. Otherwise, the UE steers the determined traffic to 3GPP RAT.

    Method of High-efficiency Connected Mode Cell Re-selection
    106.
    发明申请
    Method of High-efficiency Connected Mode Cell Re-selection 有权
    高效率连接模式小区重选方法

    公开(公告)号：US20170055192A1

    公开(公告)日：2017-02-23

    申请号：US15240083

    申请日：2016-08-18

    Applicant: MEDIATEK INC.

    Inventor： Per Johan Mikael Johansson ,  Li-Chuan Tseng ,  Chia-Chun Hsu

    IPC: H04W36/08 ,  H04W36/36 ,  H04W36/30 ,  H04W36/38 ,  H04W76/04 ,  H04W36/00

    CPC classification number: H04W36/30 ,  H04W36/36 ,  H04W36/38 ,  H04W76/28

    Abstract: A novel and efficient connected mode cell reselection procedure is proposed to improve the mobility performance for user equipments (UEs) configured with extended connected mode Discontinuous Reception (DRX) cycle in LTE systems. A UE-centric mobility mechanism with which a UE performs cell reselection in RRC connected mode is proposed. The UE is allowed to select a target cell without handover signaling in the source cell and when needed to initiate signaling with the target cell, for which signal quality is much better. In this way, handover failures due to failed signaling in the source cell can be avoided. More specifically, the proposed mobility mechanism reduces signaling overhead and is inherently robust towards different DRX cycle settings, i.e., longer DRX cycles do not cause more failures, or more overhead, or more battery consumption.

    Abstract translation: 提出了一种新颖有效的连接模式小区重选过程，以提高在LTE系统中配置有扩展连接模式不连续接收（DRX）周期的用户设备（UE）的移动性能。 提出了以RRC为中心的移动机制，UE以RRC连接方式进行小区重选。 允许UE在源小区中选择没有切换信令的目标小区，并且当需要与目标小区发起信令时，其信号质量好得多。 以这种方式，可以避免源单元中的信令失败导致的切换失败。 更具体地，所提出的移动性机制降低了信令开销，并且对于不同的DRX周期设置固有地是稳健的，即更长的DRX周期不会引起更多的故障或更多的开销或更多的电池消耗。

    Cell reselection enhancement for power saving LTE devices
    107.
    发明授权
    Cell reselection enhancement for power saving LTE devices 有权
    节能LTE设备的小区重选增强

    公开(公告)号：US09402232B2

    公开(公告)日：2016-07-26

    申请号：US14273857

    申请日：2014-05-09

    Applicant: MEDIATEK INC.

    Inventor： Chia-Chun Hsu ,  Per Johan Mikael Johansson

    IPC: H04W36/00 ,  H04W52/02 ,  H04W68/02 ,  H04W48/20 ,  H04W76/04

    CPC classification number: H04W52/0225 ,  H04W36/0072 ,  H04W48/20 ,  H04W52/0216 ,  H04W68/02 ,  H04W76/28 ,  Y02D70/1242 ,  Y02D70/1262 ,  Y02D70/164 ,  Y02D70/21 ,  Y02D70/24

    Abstract: A method of cell reselection enhancement is proposed. A UE obtains parameters for extended cell reselection (ECR) in a mobile communication network. The UE goes to sleep and then wakes up periodically to monitor a paging channel. The UE either applies a normal paging cycle having a normal paging cycle length or applies a power-saving paging cycle having a very long paging cycle length. The UE performs cell selection if normal paging cycle is applied. The UE performs cell reselection based on the ECR parameters if the power-saving paging cycle is applied, and if the ECR parameters are still valid based on a list of conditions. In one novel aspect, the network provides the ECR parameters for a wider area for the UE such that the UE can still use cell reselection after waking up from a very long sleep to reduce power consumption.

    Abstract translation: 提出了一种细胞重选增强方法。 UE在移动通信网络中获得用于扩展小区重选（ECR）的参数。 UE进入休眠状态，然后周期性地唤醒以监视寻呼信道。 UE应用具有正常寻呼周期长度的正常寻呼周期或者应用具有非常长的寻呼周期长度的省电寻呼周期。 如果应用正常寻呼周期，则UE执行小区选择。 如果应用了省电寻呼周期，则UE基于ECR参数执行小区重选，并且如果ECR参数基于条件列表仍然有效。 在一个新颖的方面，网络为UE的更广泛的区域提供ECR参数，使得UE可以在从非常长的睡眠唤醒之后仍然使用小区重选以降低功耗。

    Location option control for minimization of drive test in LTE systems
    108.
    发明授权
    Location option control for minimization of drive test in LTE systems 有权

    公开(公告)号：US09374665B2

    公开(公告)日：2016-06-21

    申请号：US14644466

    申请日：2015-03-11

    Applicant: MEDIATEK INC.

    Inventor： Per Johan Mikael Johansson ,  Tsung-Yu Chiou

    IPC: H04W4/02 ,  H04W24/08 ,  H04W64/00 ,  H04W24/10 ,  H04W16/18

    CPC classification number: H04W4/02 ,  H04W16/18 ,  H04W24/08 ,  H04W24/10 ,  H04W64/00 ,  H04W64/003

    Abstract: A method of providing location option control for Minimization of Drive Test (MDT) in LTE systems is provided. In one embodiment, a UE or an eNB receives an MDT location request that comprises an MDT location option configuration having one or more location options. The UE or eNB determines a first location option based on the MDT location option configuration and initiates positioning for MDT measurements, reporting, and logging according to the first location option. In one novel aspect, each location option is associated with a priority. In addition to MDT measurements, reporting, and logging, a UE determines the best positioning procedure from a list of available location options. In one novel aspect, under a specific positioning objective, the UE prioritizes the list of available location options based on the signal strength and/or quality of cellular and WLAN signals.

    Method and Apparatus of Allocating Scheduling Request Resources in Mobile Communication Networks
    109.
    发明申请
    Method and Apparatus of Allocating Scheduling Request Resources in Mobile Communication Networks 有权
    在移动通信网络中分配调度请求资源的方法和装置

    公开(公告)号：US20150373678A1

    公开(公告)日：2015-12-24

    申请号：US14840340

    申请日：2015-08-31

    Applicant: MEDIATEK INC.

    Inventor： Chie-Ming Chou ,  Chia-Chun Hsu ,  Per Johan Mikael Johansson

    IPC: H04W72/04 ,  H04W76/04 ,  H04W72/12

    CPC classification number: H04W72/042 ,  H04L5/0053 ,  H04L5/0094 ,  H04L5/0098 ,  H04W72/0413 ,  H04W72/1284 ,  H04W76/28

    Abstract: Various schemes are provided to improve SR resource utilization by adapting SR resource allocation to traffic pattern. In a first Scheme, SR resource allocation is configured more accurately. In one example, UE provides assistant information for eNB to determine or adjust SR configuration based on the received assistant information. In a second Scheme, multiple SR periods are configured and adapted to traffic pattern. In one example, eNB configures a set of SR resources with multiple SR periods, and UE applies different SR periods based on predefined events. Unused SR resources could be recycled by eNB for PUSCH data transmission. In a third Scheme, multiple SR allocations are configured and adapted to concerned applications. In one example, eNB configures multiple sets of SR resources adapted to predefined applications, and UE applies SR configurations based on corresponding applications. The additional SR configurations could be activated and/or deactivated.

    Abstract translation: 提供各种方案，通过使SR资源分配适应流量模式来提高SR资源利用率。 在第一个方案中，更精确地配置SR资源分配。 在一个示例中，UE提供用于eNB的辅助信息以基于接收到的辅助信息来确定或调整SR配置。 在第二方案中，多个SR周期被配置并适应于业务模式。 在一个示例中，eNB配置具有多个SR周期的一组SR资源，并且UE基于预定义事件来应用不同的SR周期。 未使用的SR资源可以被eNB回收用于PUSCH数据传输。 在第三个方案中，多个SR分配被配置并适应于相关应用。 在一个示例中，eNB配置适应于预定义应用的多组SR资源，并且UE基于相应的应用来应用SR配置。 可以激活和/或停用其他SR配置。

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