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1. 发明申请

WO2018171719A1 ENHANCED RANDOM ACCESS PROCEDURE 审中-公开
公开(公告)号：WO2018171719A1
公开(公告)日：2018-09-27
申请号：PCT/CN2018/080210
申请日：2018-03-23
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , CHEN, Tao
发明人： ZHANG, Yuanyuan , CHEN, Tao
IPC分类号： H04W72/04
摘要： A transmitted reference signal in measured as received through receiver beams having associated receiver beam identities. The reference signal measurements are stored in association with identities of transmitter beams over which the reference signal was transmitted and with the corresponding receiver beam identities to define respective beam link pair measurements. A beam link pair is selected that meets a criterion on the beam link pair measurements and a random access procedure is initiated by transmitting a preamble message over a transmitter beam of the selected beam link pair.

2. 发明申请

WO2018170880A1 METHODS AND APPARATUS FOR ENHANCED RANDOM ACCESS PROCEDURE 审中-公开
公开(公告)号：WO2018170880A1
公开(公告)日：2018-09-27
申请号：PCT/CN2017/078079
申请日：2017-03-24
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , CHEN, Tao
发明人： ZHANG, Yuanyuan , CHEN, Tao
IPC分类号： H04W72/04
摘要： Apparatus and methods are provided to perform random access procedure in a NR access system. In one novel aspect, UE performs measurement on each individual beam and sends measurement results of each individual beam to the network. Then UE receives the RRC configuration for random access procedure, and performs random access procedure according to the configuration and the UE side measurement results. Furthermore, each individual beam is corresponding to one physical signal, which can be synchronization signal, or a reference signal, e.g. CSI-RS. Each individual beam is associated to an identity. UE selects the TRP Tx beams as well as the corresponding UE Rx beams for DL signal reception during random access procedure; UE selects the UE Tx beams assuming certain TRP Rx beams are used by the network for UL signal transmission. The selection is based on the configuration for random access and the UE side measurement result.

3. 发明申请

WO2018119749A1 METHODS TO SUPPORT UL TRANSMISSION ON MULTIPLE NUMEROLOGIES IN NR SYSTEM 审中-公开
公开(公告)号：WO2018119749A1
公开(公告)日：2018-07-05
申请号：PCT/CN2016/112649
申请日：2016-12-28
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , HSU, Chia-Chun , NUGGEHALLI, Pavan Santhana Krishna , CHEN, Tao
发明人： ZHANG, Yuanyuan , HSU, Chia-Chun , NUGGEHALLI, Pavan Santhana Krishna , CHEN, Tao
IPC分类号： H04W72/04
摘要： Methods for a mobile station to perform UL data transmission with diverse services on radio resources with different numerologies in the NR system are provided. UE receives a UL grant from lower layer, wherein the UL grant indicates the radio resource allocation on numerology. Then UE routes the UL grant and the corresponding numerology to a HARQ entity, wherein the HARQ entity is per cell/carrier or per numerology per cell/carrier. UE multiplexes PDUs from one or more LCs, wherein the LCs are associated with the numerology, which are configured by the network. In one embodiment, the numerology is characterized by at least one of TTI length, subcarrier spacing, CP length etc., and identified by a numerology index. The numerology index is explicitly carried in the UL grant, or implicitly derived from the radio resources where the UL grant is received.

4. 发明申请

WO2018121495A1 TRANSMISSION WITH MULTIPLE NUMEROLOGIES IN NEW RADIO SYSTEM 审中-公开
公开(公告)号：WO2018121495A1
公开(公告)日：2018-07-05
申请号：PCT/CN2017/118451
申请日：2017-12-26
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , HSU, Chia-Chun , NUGGEHALLI, Pavan Santhana Krishna , CHEN, Tao
发明人： ZHANG, Yuanyuan , HSU, Chia-Chun , NUGGEHALLI, Pavan Santhana Krishna , CHEN, Tao
IPC分类号： H04W72/00
摘要： Aspects of the disclosure provide a method for transmission with multiple numerologies in a wireless communication network. The method can include associating logical channels each with a first numerology indicating an allowed subcarrier spacing for transmission of data units in the respective logical channel, and multiplexing data units of a subset of the logical channels into a transport block associated with a second numerology, the subset of the logical channels each having a first numerology that is the same as the second numerology.

5. 发明申请

WO2020151639A1 DUAL PROTOCOL FOR MOBILITY ENHANCEMENT 审中-公开
公开(公告)号：WO2020151639A1
公开(公告)日：2020-07-30
申请号：PCT/CN2020/073139
申请日：2020-01-20
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , NUGGEHALLI, Pavan Santhana Krishna
发明人： ZHANG, Yuanyuan , NUGGEHALLI, Pavan Santhana Krishna
IPC分类号： H04W36/08
摘要： Apparatus and methods are provided for mobility interruption reduction. In novel aspect, dual-protocol stack handover is performed with zero or close to zero mobility interruption. In one embodiment, the UE receives PDCP SDU from upper layers for UL transmission and is configured with a protocol stack associated with a source gNB and a target gNB for handover. The UE associates a COUNT value corresponding to TX_NEXT to the PDCP SDU, selects an UL gNB as a destination gNB for UL transmission, performs header compression with a robust header compression (ROHC) profile based on the UL gNB. In one embodiment, the UE selects the UL gNB when an UL grant is received from the selected gNB. In another embodiment, corresponding ROHC profiles are configured by the wireless network. In one embodiment, the ROHC profile for the UL gNB is configured by the selected UL gNB.

6. 发明申请

WO2019028727A1 APPARATUS AND METHODS FOR RADIO LINK MONITORING AND FAILURE HANDLING WITH MULTIPLE DL CONTROL CHANNELS IN NR 审中-公开
公开(公告)号：WO2019028727A1
公开(公告)日：2019-02-14
申请号：PCT/CN2017/096770
申请日：2017-08-10
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , JOHANSSON, Per Johan Mikael , YU, Chia-Hao
发明人： ZHANG, Yuanyuan , JOHANSSON, Per Johan Mikael , YU, Chia-Hao
IPC分类号： H04W76/00
摘要： Apparatus and methods for RLM/RLF in NR with multiple DL control channels in NR considering multiple connectivity and multiple numerologies are provided. In one novel aspect, UE performs RLM on one or multiple groups of NR-PDCCHs. Each group of NR-PDCCH has its own control parameter and timer. In one embodiment, UE declares RLF and perform RRC connection re-establishment upon RLF of any group of NR-PDCCH. In one embodiment, UE sends RLF indication for one or more group of NR-PDCCH to network. In one embodiment, one group of NR-PDCCH is considered as anchor NR-PDCCH and others are considered as non-anchor NR-PDCCH. In one embodiment, UE declares RLF and perform RRC connection re-establishment upon RLF of the anchor group of NR-PDCCH. In one embodiment, dedicated PDCCH is considered as the anchor PDCCH and common PDCCH is considered as the non-anchor link.

7. 发明申请

WO2018202081A1 BEAM FAILURE RECOVERY IN WIRELESS COMMUNICATION SYSTEMS 审中-公开
公开(公告)号：WO2018202081A1
公开(公告)日：2018-11-08
申请号：PCT/CN2018/085463
申请日：2018-05-03
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , YU, Chia-Hao , JHENG, Yu-Syuan
发明人： ZHANG, Yuanyuan , YU, Chia-Hao , JHENG, Yu-Syuan
IPC分类号： H04W24/04
摘要： Aspects of the disclosure provide a method of beam failure handling. The method can include performing beam quality measurement of one or more beams transmitted from a base station (BS) at a user equipment (UE) in a beamformed wireless communication system, determining a beam failure occurs based on the beam quality measurement, and performing a beam recovery process that includes at least one of a contention-free beam recovery process or a contention-based beam recovery process. The one or more beams are used for transmitting physical downlink control channels (PDCCHs).

8. 发明申请

WO2018027904A1 METHODS AND APPARATUS FOR HANDLING OF RADIO LINK FAILURE DETECTION IN HF-NR SYSTEM 审中-公开
标题翻译：用于处理HF-NR系统中的无线电链路故障检测的方法和设备
公开(公告)号：WO2018027904A1
公开(公告)日：2018-02-15
申请号：PCT/CN2016/094882
申请日：2016-08-12
申请人： MEDIATEK SINGAPORE PTE. LTD , ZHANG, Yuanyuan , HSU, Chia-Chun , YU, Chia-Hao
发明人： ZHANG, Yuanyuan , HSU, Chia-Chun , YU, Chia-Hao
IPC分类号： H04W16/28
摘要： Apparatus and methods are provided to detect radio link failure in a NR access system. In one novel aspect, the radio link failure is detected upon detection of one or more radio link failure conditions on the serving beam. In one embodiment, the physical layer problem is considered as detected when one or more predefined events occur for a number of consecutive times on the serving beam. In another embodiment, the UE further considers potential recoveries to avoid frequent triggering of the radio link failure condition. In one embodiment, the UE performs the initial alignment procedure to recover the connection. In one embodiment, UE performs the initial alignment procedure without performing radio link recovery on the serving beam. In one embodiment, UE performs the initial alignment procedure after performing radio link recovery on the serving beam. In another embodiment, the UE selects one or more beams for initial beam alignment; each satisfies one or more predefined criterion.
摘要翻译：提供了用于检测NR接入系统中的无线电链路故障的设备和方法。在一个新颖方面中，在检测到服务波束上的一个或多个无线电链路故障状况时检测到无线电链路故障。在一个实施例中，物理层问题被认为是在一个或多个预定义事件在服务波束上连续多次发生时检测到的。在另一个实施例中，UE进一步考虑潜在的恢复以避免频繁触发无线电链路故障状况。在一个实施例中，UE执行初始对齐过程以恢复连接。在一个实施例中，UE执行初始对准过程而不对服务波束执行无线电链路恢复。在一个实施例中，UE在对服务波束执行无线电链路恢复之后执行初始对准过程。在另一个实施例中，UE选择一个或多个波束用于初始波束对准; 每个都满足一个或多个预定义标准。

9. 发明申请

WO2014114261A1 ENHANCED MECHANISM OF UPLINK TIME ALIGNMENT MAINTENANCE FOR INTER-ENB CARRIER AGGREGATION 审中-公开
标题翻译：上网时间对齐维护中间载波聚合的增强机制
公开(公告)号：WO2014114261A1
公开(公告)日：2014-07-31
申请号：PCT/CN2014/071388
申请日：2014-01-24
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , JOHANSSON, Per Johan Mikael , CHEN, Li
发明人： ZHANG, Yuanyuan , JOHANSSON, Per Johan Mikael , CHEN, Li
IPC分类号： H04W56/00 , H04L5/00
CPC分类号： H04W56/0005 , H04L5/001 , H04L5/0023 , H04L5/0035 , H04L5/0092 , H04L27/2646 , H04W56/0045
摘要： An apparatus and a method are provided to configure two-tier identifiers for serving cells of a user equipment (UE) configured with inter-eNB carrier aggregation (CA). In one novel aspect, cell group identifiers are configured. The cell group identifier is a super set of one or more uplink group identifiers which are associated with serving cells served by the same base station. In one embodiment, different MAC entities are associated with different cell group identifiers. The UE performs uplink alignment, monitoring and management procedures linking to the cell group identifier. In another novel aspect, a group timing advance group (TAG), which is a super set identifier of one or more cell TAGs associated with serving cells served by the same base station, is configured. In another embodiment, the UE performs uplink alignment procedure based on the status of the group TAG, which is determined based on the status of the cell TAGs associated with the group TAG.
摘要翻译：提供了一种装置和方法来配置用于配置有eNB间载波聚合（CA）的用户设备（UE）的服务小区的两层标识符。在一个新颖的方面，配置单元组标识符。小区组标识符是与由相同基站服务的服务小区相关联的一个或多个上行链路组标识符的超级集合。在一个实施例中，不同的MAC实体与不同的小区组标识符相关联。 UE执行链接到小区组标识符的上行链路对准，监视和管理过程。在另一个新颖的方面，配置了与由相同基站服务的服务小区相关联的一个或多个小区TAG的超集标识符的组定时提前组（TAG）。在另一个实施例中，UE基于基于与组TAG相关联的小区TAG的状态确定的组TAG的状态执行上行链路对准过程。

10. 发明申请

WO2023065114A1 APPARATUS AND METHODS TO PERFORM UPLINKDATA COMPRESSION IN NR 审中-公开
公开(公告)号：WO2023065114A1
公开(公告)日：2023-04-27
申请号：PCT/CN2021/124703
申请日：2021-10-19
申请人： MEDIATEK SINGAPORE PTE. LTD. , ZHANG, Yuanyuan , HSU, Chia-Chun
发明人： ZHANG, Yuanyuan , HSU, Chia-Chun
IPC分类号： H04W28/06 , H04W76/10 , H04W36/00
摘要： Methods and apparatus to integrate uplink data compression (UDC) in NR are proposed. At the TX, UDC is performs first before packets routing and UL switching. At the RX, the receiver performs reordering before decompresses each UDC packet. UDC can be performed for a DRB, a SRB, a split bearer or a DAPS bearer.

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