Adjusting handover thresholds for high power class wireless devices

    公开(公告)号:US10779198B1

    公开(公告)日:2020-09-15

    申请号:US15678587

    申请日:2017-08-16

    Abstract: Adjusting handover thresholds includes identifying a channel bandwidth of a first carrier deployed by an access node, wherein the first carrier is one of at least two carriers deployed by the access node and, for a wireless device attached to a second carrier deployed by the access node, adjusting a handover threshold based on the channel bandwidth of the first carrier, and/or the frame configuration deployed by the second carrier. The wireless device is assigned to a high power class and capable of operating in a carrier aggregation mode utilizing the first and second carriers.

    Systems and methods for allocating resources to high power capable wireless devices

    公开(公告)号:US10548149B1

    公开(公告)日:2020-01-28

    申请号:US15680673

    申请日:2017-08-18

    Abstract: Systems and methods are described for assigning wireless resources to a high power wireless device. In some embodiments, a quality of service metric used for communication between a wireless device and an access node is identified, wherein the wireless device is configured to transmit an uplink signal at a first signal level that meets a power criteria. Default uplink resource are assigned to the wireless device based on the identified quality of service criteria, wherein the default uplink resources are associated with a default wireless device configured to transmit an uplink signal at a second signal level that does not meet the power criteria. And uplink communication is received at the access node from the wireless device using the assigned default uplink resources.

    Donor selection for relay access nodes

    公开(公告)号:US10149310B1

    公开(公告)日:2018-12-04

    申请号:US15017834

    申请日:2016-02-08

    Abstract: A relay wireless device is configured to function as a relay on behalf of a donor access node. The relay wireless device determines a preferred donor access node from among a plurality of candidate donor access nodes based on a measurement of a reference signal, such as an RSRP or SINR, associated with each access node within a range of the relay wireless device. The access nodes may be prioritized based on the measurement, as well as based on a maximum number of dedicated random access preambles provided by each access node, and a default paging cycle of each access node. The access node that has the highest priority based on a good RSRP/SINR, a high number of dedicated random access preambles, and a large paging cycle, is selected as the preferred donor access node, and a connection request submitted to the preferred donor access node.

    Handover target selection based on latency

    公开(公告)号:US11064414B1

    公开(公告)日:2021-07-13

    申请号:US15017849

    申请日:2016-02-08

    Abstract: Upon satisfying a first handover condition based on signal measurements, an identity of the one or more target access nodes is determined, the identity being associated with a latency, and a determination is made whether or not to execute the handover based on at least the identifier or the latency of the one or more target access nodes. As macrocell access nodes are known to have smaller latency than small access nodes, the macrocell access node is a preferred target, regardless of signal measurements of the small access node. In embodiments, the type or latency of the target access node is weighted higher than the signal measurement for the determination of a preferred target access node. Target access nodes may be assigned priorities based on their type, latency, and signal measurements, and highest-prioritized target access nodes may be preferred as handover targets.

    Selecting a primary carrier for a high power class wireless device

    公开(公告)号:US10652890B1

    公开(公告)日:2020-05-12

    申请号:US15792196

    申请日:2017-10-24

    Abstract: Performing carrier aggregation for high-powered wireless devices that may cause interference to other wireless devices includes determining that a wireless device attached to an access node is assigned to a high power class and capable of operating in a carrier aggregation mode, initiating the carrier aggregation mode for the wireless device, and instructing the access node to utilize a frequency-division-duplexing (FDD) carrier deployed by the access node as a primary carrier for the wireless device. A handover of the wireless device to the FDD carrier may be triggered by a threshold level of interference caused by uplink transmissions from the wireless device when operating in the high-powered transmission mode on a TDD carrier.

    Dynamic buffer allocation based on signal degradation

    公开(公告)号:US10602409B1

    公开(公告)日:2020-03-24

    申请号:US15049490

    申请日:2016-02-22

    Abstract: An access node can dynamically adjust a buffer allocation of a wireless device connected thereto, based on a packet loss or other signal degradation characteristic of a wireless link between the access node and the wireless device. The wireless device may be a relay node. The signal degradation may be indicated by a packet loss of data transmitted over the wireless link. Based on the detected signal degradation, the donor access node dynamically and in real-time adjusts a size of a buffer or sub-buffer allocated to the relay node. Threshold comparisons are used to determine when and by how much to adjust the buffer size. Operations are not limited to relay node buffers, and can be applied to buffers associated with standard wireless devices based upon signal characteristics thereof, an application requirement of the devices, or a historical trend of packets losses for the wireless links associated therewith.

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