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公开(公告)号：US09844024B2
公开(公告)日：2017-12-12
申请号：US15115835
申请日：2014-12-11
Applicant: Nokia Solutions and Networks Oy
Inventor： Martin Kollar , Fan Teng , Yi Zhi Yao
CPC classification number: H04W68/02 , H04W24/02 , H04W24/08 , H04W60/00 , H04W64/00 , H04W68/005 , H04W68/025
Abstract: When the operator of a mobile communication system applies one of: “dynamic Tracking Area List” or “smart paging” for more efficient paging, the “real” size of the Tracking Area, i. e., the number of cells over which a S1AP-paging is broadcasted on average, becomes difficult to calculate in real time; A method of determining tracking area size information is therefore proposed comprising: obtaining the average number of paging records per cell, and dividing it by average number of RRC-Connection-Setup, for terminated calls, per cell; the result is proportional to the real TA size; the obtained value is proposed as a new KPI, Key Performance Indicator.
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公开(公告)号：US10728953B2
公开(公告)日：2020-07-28
申请号：US15752355
申请日：2015-08-13
Applicant: NOKIA SOLUTIONS AND NETWORKS OY
Inventor： Martin Kollar , Yi Zhi Yao
IPC: H04W76/38
Abstract: There are provided measures for inactivity timer evaluation. Such measures exemplarily comprise monitoring a communication related state, determining, upon a first state change indicative of a start of a communication, a duration amount of a period between said first state change and a preceding second state change indicative of an end of a preceding communication, and adjusting a control value based on a distribution of a plurality of determined duration amounts.
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Patent Agency Ranking
公开(公告)号：US09894571B2
公开(公告)日：2018-02-13
申请号：US14890644
申请日：2013-05-17
Applicant: Nokia Solutions and Networks Oy
Inventor： Bernhard Wegmann , Ingo Viering , Richard Waldhauser , Krzysztof Kordybach , Yi Zhi Yao
CPC classification number: H04W36/0083 , H04W24/02 , H04W76/19
Abstract: Methods, apparatus and computer program products are disclosed for enhancing mobility robustness optimization in self optimizing networks. Neighbor relation information indicating relations between a handover source cell and candidate handover target cell(s), each including a first counter indicating events of an unsuccessful handover of a user equipment from the handover source cell to one candidate handover target cell, and a second counter indicating events of connection re-establishment attempt of the user equipment to the candidate handover target cell after an unsuccessful handover to another cell. A first candidate handover target cell to which handover of the user equipment was unsuccessful and a second candidate handover target cell to which the user equipment has re-established a connection, out of the candidate handover target cells, are determined. The first counter and/or the second counter of the neighbor relation information concerning the determined first and second candidate handover target cells is updated.
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公开(公告)号：US11018944B2
公开(公告)日：2021-05-25
申请号：US15752698
申请日：2016-07-28
Applicant: NOKIA SOLUTIONS AND NETWORKS OY
Inventor： Anatoly Andrianov , Yi Zhi Yao , Gyula Bodog
Abstract: A method and apparatus may include transmitting a scaling request. The scaling request comprises a request for virtualized network function expansion or virtualized network function contraction. The scaling request is transmitted to a second network node. A first domain is directed to application level details. A second domain is directed to virtualization level details. The scaling request comprises: (1) a relative target capacity that is generic to both the first domain and the second domain, (2) an absolute target capacity that is specific to the first domain, or (3) a relative target capacity that is specific to virtualized network function level targets. The method may also include receiving a notification that a virtualization network function has been updated based on the transmitted scaling request.
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公开(公告)号：US09967763B2
公开(公告)日：2018-05-08
申请号：US14773468
申请日：2013-03-08
Applicant: Nokia Solutions and Networks Oy
Inventor： Martin Kollar , Yi Zhi Yao , Malgorzata Tomala
CPC classification number: H04W24/08 , H04L5/001 , H04L5/0098 , H04L43/0888 , H04W76/15 , H04W88/08
Abstract: There are provided measures for evaluation of throughput of carrier aggregated user equipments. Such measures exemplarily include determining, per communication endpoint implementing carrier aggregation aggregating one primary connection and at least one secondary connection, a transmission volume with at least one activated secondary connection, determining, per communication endpoint implementing carrier aggregation aggregating one primary connection and at least one secondary connection, a time with transmission data in a transmission buffer and at least one activated secondary connection, and obtaining, per communication endpoint, a transmission throughput with at least one activated secondary connection, based on said transmission volume and said time.
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公开(公告)号：US10425851B2
公开(公告)日：2019-09-24
申请号：US14894218
申请日：2014-05-28
Applicant: NOKIA SOLUTIONS AND NETWORKS OY
Inventor： Anatoly Andrianov , Yi Zhi Yao
Abstract: Various communication systems may benefit from methods, apparatuses, and systems for data collection. For example, wireless communication systems of the third generation partnership project (3GPP) may benefit from data collection in network management layer coverage and capacity optimization. For example, a method may include sending performance measurement job activation indicating that minimization of drive test data is to be collected (in an alternative, the job can be configured to indicate that non-MDT data is to be collected). The method may also include receiving performance measurements in response to the job activation.
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公开(公告)号：US10305767B2
公开(公告)日：2019-05-28
申请号：US15214662
申请日：2016-07-20
Applicant: Nokia Solutions and Networks Oy
Inventor： Martin Kollar , Yi Zhi Yao , Malgorzata Tomala
Abstract: Systems, methods, apparatuses, and computer program products for packet delay measurement are provided. One method may include sending, by a network node, a grant in uplink to a user equipment that previously indicated a need for data transmission for quality of service (QoS) class identifier (QCI) services. The method may then include storing a time of the uplink grant to the user equipment, and measuring a time point when a last part of a packet data convergence protocol (PDCP) serving data unit (SDU) related to QCI services has been confirmed by sending an acknowledgement to the user equipment.
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