Abstract: A network node of a communications network configured to provide Citizen Broadband Radio Service (CBRS) to at least one end user device (EUD) in a coverage area of the network node. The network node comprises: at least one processor; and a memory storing software instructions configured to control at least one processor to perform steps of: detecting interference from at least one aggressor device in the network; and reporting the detected interference to at least one of a Spectrum Access System (SAS) and a co-existence manager (CxM) of the communications network.

Abstract: A method, system and apparatus are disclosed for interference robust adaptive Time Division Duplex (TDD) configuration with multiple Transmit Receive Points (multi-TRP). A method implemented in a wireless node includes determining at least one time resource in which at least a part of a first time division duplex, TDD, configuration used in a first network supported by a first network node does not correspond to a second TDD configuration used in a second network supported by a second network node; and applying at least one interference mitigation procedure during at least the at least one time resource.

Abstract: A method, system and apparatus for coexistence of a public network and a non-public network are disclosed. According to one aspect, a method includes selectively muting a downlink transmission to a public network (PN) based at least in part on whether the downlink transmission interferes with a non-public network (NPN) uplink transmission. According to another aspect, a method includes selectively muting an uplink transmission from the NPN based at least in part on whether the uplink transmission interferes with a public network (PN) downlink transmission.

Abstract: There is provided a method in a first network node (e.g. CBSD) for negotiating AAS antenna pattern and for radio planning. The method comprises: determining (310) one or more cell shaping parameters; sending (320) the determined cell shaping parameters to a second network node (e.g. SAS or CxM); receiving (330) an allocation of resources based on the determined cell shaping parameters. Another method is disclosed as well and may comprise: receiving (160) an envelope of radio frequency power for maximizing a coverage area, from a second network node (e.g. SAS); determining (170) a beam pattern based on the received envelope; sending (180) the determined beam pattern to the second node.

Abstract: Methods and apparatuses are provided for centralized radio access network (CRAN) scalability. In one embodiment, a network node includes processing circuitry configured to cause the network node to schedule at least one wireless device according to a radio resource partition, the radio resource partition representing a division of radio resources between at least two schedulers of a same cell, and each radio resource partition of the cell being assigned to a corresponding scheduler of the at least two schedulers; and receive, from at least one scheduler of the at least two schedulers, an indication of an amount of the radio resources that are scheduled by the at least one scheduler. In one embodiment, a network node includes processing circuitry configured to cause the network node to send, to a master scheduler, an indication of an amount of the radio resources that are scheduled by the network node.

Abstract: A method and network node for classification of interference connections between Citizens Broadband Radio Service Devices, CBSDs, in a wireless communication network are provided. According to one aspect, a method includes calculating an interference level, the calculation being based on whether two interfering CBSDs are operating in one of the alternate channels, adjacent channels and the same channel. The method also includes comparing the calculated interference level to a threshold to determine a classification of an interference connection.

Abstract: A method performed by a first network node associated with a public network in a first cell includes determining that a first wireless device operating on a first frequency band in the first cell is proximate to a second cell associated with a non-public network operating on a second frequency band. The first network node offloads the first wireless device to a third frequency band.

Abstract: According to one or more embodiments, a first network node of a first radio access technology, RAT, configured to communicate with a second network node of a second RAT different from the first RAT is provided. The first network node includes processing circuitry configured to: schedule a physical resource block, PRB, in a predetermined frequency carrier range where the scheduling starts from a predefined frequency location in the predetermined frequency carrier range, receive an indication that the PRB has been scheduled by the second network node, and responsive to the received indication, discard the PRB scheduled by the first network node if the PRB is located outside of a first predetermined partition of radio resources allocated to the first network node.

Abstract: There is provided a method in a first network node (e.g. CBSD) for negotiating AAS antenna pattern and for radio planning. The method comprises: determining (310) one or more cell shaping parameters; sending (320) the determined cell shaping parameters to a second network node (e.g. SAS or CxM); receiving (330) an allocation of resources based on the determined cell shaping parameters. Another method is disclosed as well and may comprise: receiving (160) an envelope of radio frequency power for maximizing a coverage area, from a second network node (e.g. SAS); determining (170) a beam pattern based on the received envelope; sending (180) the determined beam pattern to the second node.

Abstract: A network node of a communications network configured to provide Citizen Broadband Radio Service (CBRS) to at least one end user device (EUD) in a coverage area of the network node. The network node comprises: at least one processor; and a memory storing software instructions configured to control the at least one processor to perform steps of: causing the at least one EUD to report information indicative of a respective reference signal downlink power detected by the at least one EUD; and determine a respective coverage threshold for the network node based on the information reported by the at least one EUD.

Abstract: A network node of a communications network configured to provide Citizen Broadband Radio Service (CBRS) to at least one end user device (EUD) in a coverage area of the network node. The network node comprises: at least one processor; and a memory storing software instructions configured to control at least one processor to perform steps of: detecting interference from at least one aggressor device in the network; and reporting the detected interference to at least one of a Spectrum Access System (SAS) and a co-existence manager (CxM) of the communications network.

Abstract: There is provided a method in a controlling node to efficiently assign spectrum to nodes representing wireless base stations which are using/sharing the same block of spectrum. The nodes are organized in a graph where connections between nodes represent potential of interference. The nodes are grouped based on the ability to handle mutual interference. The method comprises: determining recursively a plurality of clusters of nodes of increasing sizes; and assigning a bandwidth to nodes in each cluster, based on the size of the cluster. By so doing, the spectrum allocation can be optimized, allowing each node access to an increased amount of spectrum.

Abstract: Methods and apparatus for protecting a dynamic protection area (DPA). In one embodiment, an electronic device detects that the DPA is activated in the vicinity of a location recorded within a geolocation database. The electronic device compares a threshold representing acceptable interference and an estimated aggregate interference by the set of CBSDs to a set of points within the DPA. The electronic device moderates transmission by one or more CBSDs within the set of CBSDs when the estimated aggregate interference is higher than what is acceptable to the DPA.

Abstract: A network node, method and wireless device for channel assignment in a Citizens Broadband Radio Service, CBRS, band is provided. The network node includes processing circuitry configured to: map one of a plurality of channels in the CBRS band to a wireless device, the mapping of one of the plurality of channels in the CBRS band to the wireless device including: ranking the plurality of channels in the CBRS band based on a predefined maximum power per channel and a predefined maximum transmission power of a wireless device.

Abstract: There is provided a method in a controlling node for determining channel assignment for different network nodes. The method comprises: determining a channel assignment based at least on a factor, the factor including one or more of channel usability, contiguous spectrum allocation, spectrum allocation stability and user value; and transmitting the determined channel assignment to a network node.

Abstract: According to some embodiments, a method for use in a first spectrum access system (SAS) server of authorizing spectrum access comprises: receiving, from a second SAS, information about one or more priority access license (PAL) protection areas (PPAs) served by the second SAS; receiving a spectrum grant request on behalf of one of a first PPA or a first general authorized access (GAA) user; determining whether granting the spectrum grant request may interfere with a second PPA geographically proximate the one of the first PPA or the first GAA user, wherein the second PPA is served by the second SAS; and granting or denying the spectrum grant request based at least in part on the interference determination. The interference determination may comprise modeling the radio environment within the second PPA and surrounding areas based on the spectrum grant request to determine whether an aggregate interference level exceeds a threshold.

Abstract: A method in a controlling node for controlling resources in a shared channel is provided. The method comprises: receiving from a network node, a request for resources in the shared channel; in response to the request, determining a utility function representing a performance metric for the network node based on transmissions from other network nodes using the shared channel; and in response to determining that the utility function satisfies a threshold, granting the resources in the shared channel to the network node. A controlling node is also provided for performing this method. The controlling node can be a Spectrum Access System (SAS), for example.

Abstract: Methods and apparatus for protecting a dynamic protection area (DPA). In one embodiment, an electronic device detects that the DPA is activated in the vicinity of a location recorded within a geolocation database. The electronic device compares a threshold representing acceptable interference and an estimated aggregate interference by the set of CBSDs to a set of points within the DPA. The electronic device moderates transmission by one or more CBSDs within the set of CBSDs when the estimated aggregate interference is higher than what is acceptable to the DPA.

Abstract: A controlling node and a method in a controlling node for distribution of an interference quota (IQ) among a plurality of network nodes are provided. The method includes identifying a number of network node clusters, a network node cluster defined as a group out of the plurality of network nodes being located within a predetermined distance of each other; dividing the IQ by the number of network node clusters to provide a cluster quota; and distributing the cluster quota among each network node within each identified network node cluster.

Abstract: A network node, method and wireless device for channel assignment in a Citizens Broadband Radio Service, CBRS, band is provided. The network node includes processing circuitry configured to: map one of a plurality of channels in the CBRS band to a wireless device, the mapping of one of the plurality of channels in the CBRS band to the wireless device including: ranking the plurality of channels in the CBRS band based on a predefined maximum power per channel and a predefined maximum transmission power of a wireless device.