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公开(公告)号：US10187810B1
公开(公告)日：2019-01-22
申请号：US14942431
申请日：2015-11-16
申请人： Sprint Spectrum LP
发明人： Chunmei Liu , Krishna Sitaram , Hemanth Pawar , Pratik Kothari
摘要： A UE is configured to function as a relay on behalf of a donor access node. The donor access node can dynamically adjust scheduling of resources to the relay UE based on a size of a buffer associated with the relay UE. The donor access node monitors a size of the buffer and, if the size exceeds a threshold, assigns a greater scheduling weight to the relay UE. Similarly, when the buffer size associated with the relay UE drops below a threshold, the scheduling weight may be lowered. The buffer may include any combination of a downlink buffer stored on the donor access node or an uplink buffer stored on the relay UE.
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82.发明授权公开(公告)号：US10172075B1
公开(公告)日：2019-01-01
申请号：US13967144
申请日：2013-08-14
申请人： Sprint Spectrum L.P.
IPC分类号： H04W48/16
摘要： A method and system for scanning for target coverage in order of signal strength threshold. In a wireless communication system that defines a plurality of wireless coverage areas, a user equipment device (UE) may seek to select one of the coverage areas in which to operate. Each coverage area may have a respective downlink receive signal strength threshold (DSST) defining a minimum downlink receive signal strength for triggering UE selection of the coverage area. While operating in the wireless communication system, the UE may be arranged to rank-order the coverage areas in order of their respective DSSTs so as to define a sequence of the coverage areas. The UE may be arranged to then scan the coverage areas in order of the defined sequence, in search of a coverage area to select to operate in.
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公开(公告)号：US10171215B1
公开(公告)日：2019-01-01
申请号：US15432014
申请日：2017-02-14
申请人： Sprint Spectrum L.P.
IPC分类号： H04W76/28 , H04W76/27 , H04W24/08 , H04W36/38 , H04W48/18 , H04W72/04 , H04L5/00 , H04W72/12 , H04W88/10
摘要： Disclosed are methods and systems for segregating user equipment devices (UEs) among carriers to help facilitate operation in lean-carrier mode in which a base station (BS) engages in a reduced extent of reference signaling on a particular carrier. In practice, the BS may operate in the lean-carrier mode when bearer data is not being communicated on the particular carrier. Given this arrangement, the BS may identify one or more UEs, of a plurality of UEs served by the BS, based on each UE communicating bearer data less frequently than a threshold frequency of bearer data communication. And the BS may serve just the identified UEs on the particular carrier, thereby increasing a probability of the BS operating in the lean-carrier mode.
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公开(公告)号：US10165538B1
公开(公告)日：2018-12-25
申请号：US15994648
申请日：2018-05-31
申请人： Sprint Spectrum L.P.
发明人： Zheng Fang , Yu Wang , Zheng Cai , David Z. Sun
摘要： Disclosed is a method and system for use of DCN-ID data as a basis for service configuration and differentiation. A UE may be provisioned with a DCN-ID that correlates with a service plan to which the UE subscribes, and the UE may include the DCN-ID in an attach request that the UE sends to a NB. The NB may then map the included DCN-ID to a service configuration for the UE and take action to configure service for the UE accordingly. In an example implementation, the service configuration could include a quantity of secondary NBs to be added for concurrent service of the UE, a set of one or more DCNs in which the UE should be connected, and a set of one or more application-layer services to be provided for the UE.
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85.发明授权公开(公告)号：US10154368B1
公开(公告)日：2018-12-11
申请号：US13584400
申请日：2012-08-13
摘要： Disclosed are systems and methods for providing system-acquisition parameters on standardized frequencies. One embodiment takes the form of a method for assisting mobile devices with system acquisition. The method includes, in each of two or more wireless coverage areas, broadcasting from a radio access network (RAN) on each of one or more predefined frequencies one or more sets of one or more system-acquisition parameters. The method also includes configuring one or more mobile devices with logic executable for, in response to detecting a triggering event, retrieving at least one of the sets of system-acquisition parameters on at least one of the predefined frequencies, and then using at least one retrieved set of system-acquisition parameters to attempt to acquire system connectivity.
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公开(公告)号：US10149125B1
公开(公告)日：2018-12-04
申请号：US14684287
申请日：2015-04-10
申请人： Sprint Spectrum L.P.
摘要： Coordinated multipoint (CoMP) can improve uplink service in cellular networks. However, uplink CoMP can also burden an access network, such as by increasing processing loads at base stations and/or increasing traffic on backhaul links between base stations. Accordingly, exemplary methods and systems help to dynamically select an uplink CoMP mode for a user equipment (UE) based on various factors, such as whether the UE is located at a border cell, whether or not carrier aggregation is being utilized for downlink communications with the UE, and/or whether or not the UE is a heavy data user, among other possible factors.
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87.发明授权公开(公告)号：US10142878B1
公开(公告)日：2018-11-27
申请号：US15477157
申请日：2017-04-03
申请人： Sprint Spectrum LP
摘要： Systems and methods are described for extending coverage of a wireless device. A plurality of wireless devices located in a coverage area of a first access node can be monitored for a first condition. At least one wireless device of the plurality of wireless devices that meets the first condition can be classified as a high power wireless device. Two or more indicators reported by the at least one wireless device are compared to a criteria. When the two or more indicators meet the criteria, a handoff of the at least one wireless device from the first access node to a second access node can be performed.
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公开(公告)号：US10142070B1
公开(公告)日：2018-11-27
申请号：US15235184
申请日：2016-08-12
申请人： Sprint Spectrum LP
发明人： Yu Zhou , Muhammad Ahsan Naim , Luca Zappaterra
摘要： Transmitting downlink reference signals includes transmitting a first plurality of subframes comprising a first reference signal associated with a first antenna port, the first reference signal having a first format within the first plurality of subframes, transmitting a second plurality of subframes comprising a second reference signal associated with a second antenna port, the second reference signal having a second format within the second plurality of subframes, and switching a format of each of the first and second reference signals, such that a third plurality of subframes is transmitted with the first reference signal in the second format, and a fourth plurality of subframes is transmitted with the second reference signal in the first format.
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公开(公告)号：US10129889B1
公开(公告)日：2018-11-13
申请号：US14842379
申请日：2015-09-01
申请人： Sprint Spectrum L.P.
IPC分类号： H04W72/04
摘要： In a wireless network comprising a plurality of carriers available for carrier aggregation transmissions between a base station and UE, the base station: (i) determines whether a requirement exists to transmit data between the UE and the base station via a carrier aggregation transmission; (ii) in response to determining that the carrier aggregation transmission requirement exists, selects a primary component carrier and one or more secondary component carriers from the plurality of carriers for the carrier aggregation transmission based on one or more of each carrier's receive power at the UE, transmit power at the base station, and frequency; (iii) allocates the selected primary and secondary component carriers to the carrier aggregation transmission; (iv) informs the UE of the allocation; and (v) executes the carrier aggregation transmission according to the allocation.
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公开(公告)号：US10129768B1
公开(公告)日：2018-11-13
申请号：US15354209
申请日：2016-11-17
申请人： Sprint Spectrum LP
发明人： Khaled Azem
IPC分类号： H04W24/02 , H04L5/00 , H04B17/318 , H04B17/345
摘要： A potential interference is determined for specific geographic locations of a wireless network based on signal measurements performed by wireless devices at said specific geographic locations. Obtaining power measurements of reference signals sensed at a wireless device at a specific location, and determining a potential interference caused at the specific location based on the power measurements. The power measurements comprise measurements of a reference signal power (RSRP) performed by a wireless device at the specific location. The wireless device may perform multiple measurements of signal power at various locations, and submit to the network measurements recorded at each location. The measurements may be performed periodically or triggered by the network.
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