Abstract:
Provided are an electronic device and method for wireless communication. The electronic device comprises: a processing circuit used to determine, for each user, a cooperation range of the user on the basis of a statistical model indicating distribution of access points within a pre-determined range around the user and a communication quality requirement of the user; and a set of cooperative access points for the user determined on the basis of the cooperation range, wherein an access point in the set of cooperative access points is assigned to the user to perform cooperative transmission.
Abstract:
A frequency spectrum management device includes a processing circuit configured to acquire, with regard to a position of a primary user sample, a plurality pieces of sample information, each of the plurality pieces of sample information comprising information of a plurality of secondary user samples, and an aggregate interference generated by the plurality of secondary users on the primary user sample; and training a neural network model by taking the information of the plurality of secondary user samples as an input of the neural network model and taking the aggregate interference generated by the plurality of secondary user samples on the primary user sample as an output of the neural network model, so as to determine a parameter set of the neural network model corresponding to the position of the primary user sample.
Abstract:
An electronic apparatus and a method for a spectrum management device are provided. The electronic apparatus includes processing circuitry configured to: acquire, for a predetermined primary system, an interference radiation map representing interference amounts of secondary systems at locations in a management region of the spectrum management device to the primary system; and determine an exclusion zone for the primary system based on the interference radiation map, where secondary systems in the exclusion zone cannot use a spectrum which is being used by the primary system.
Abstract:
A resource management device, a resource management method, and a device and method in a communication system. The resource management device is used for managing opportunistic utilization of frequency spectrum resources of a primary system by a secondary system in the communication system, and includes: a reception unit configured to receive device information and a resource request of a target secondary system device among one or more secondary system devices in the secondary system; an available resource acquisition unit configured to acquire, in response to the resource request, available resource information of the target secondary system device on the basis of the device information of the target secondary system device, wherein the resource information includes indication information related to transmission waveform used for the target secondary system device; and a notification unit configured to notify the target secondary system device of the acquired resource information.
Abstract:
The present disclosure provides a radio frequency spectrum management apparatus, method, system and secondary user apparatus for a cognitive radio system comprising primary systems and secondary systems, the radio frequency spectrum management apparatus comprises circuitry configured to: acquire, according to position variation information of respective secondary user groups in the secondary systems, path loss information at the positions before and after the movement of respective secondary user groups respectively, wherein, the secondary user group comprises one or more secondary users; and determine an adjustment to the usage of frequency spectrums of the secondary users, according to the variation of the path loss information at the positions before and after the movement of respective secondary user groups. The present disclosure may at least improve the efficiency of adjusting the frequency spectrum resource.
Abstract:
Provided are an electronic device and method for wireless communication, and a computer-readable storage medium. The electronic device comprises: a processing circuit, configured to: construct an interference overlapping diagram based on an interference/coexistence relationship between resource application systems within a management range, wherein a connection point of the interference overlapping diagram represents one or more resource application systems, and an edge of the interference overlapping diagram represents the fact that interference exists between the resource application systems represented by two connection points linked with the edge; remove one or more edges in the interference overlapping diagram so as to enable the interference overlapping diagram to meet a pre-determined condition after the removal; and carry out channel/resource allocation based on the adjusted interference overlapping diagram.
Abstract:
The present disclosure provides a radio resource management system and method, a secondary system and a storage system. A radio resource management system includes circuitry configured to acquire interference information of respective locations managed by it, according to location information and operating parameters of secondary systems managed by it and an adjacent radio resource management system, and determine whether to accept a request from a new secondary system, within its management range, to access spectrum resources, and determine, if the request is accepted, the spectrum resources available for the new secondary system, based on the interference information and the location information of the new secondary system. This system manages first secondary systems within its management range, such that the first secondary systems opportunistically utilize the authorized spectrum resources of a primary system on condition that the interference of the first secondary systems meets a predetermined condition to the primary system.
Abstract:
An electronic apparatus and a method for a spectrum management device are provided. The electronic apparatus includes processing circuitry configured to: acquire, for a predetermined primary system, an interference radiation map representing interference amounts of secondary systems at locations in a management region of the spectrum management device to the primary system; and determine an exclusion zone for the primary system based on the interference radiation map, where secondary systems in the exclusion zone cannot use a spectrum which is being used by the primary system.
Abstract:
An electronic apparatus and method used in wireless communications, and a computer readable storage medium, the electronic apparatus comprising: a processing circuit configured to determine by dynamic means a partitioning solution for a virtual cell in a predetermined region, determination of the partitioning solution for the virtual cell comprising partitioning of a plurality of access points in the predetermined region to be one or more virtual cells, and designating each of the virtual cells to serve as master access points; and generating a message indicating the virtual cell partitioning solution so as to notify all of the designated master access points.
Abstract:
The present disclosure relates to an electronic device, a wireless communication method and computer-readable medium. According to one embodiment, an electronic device used for wireless communication comprises a processing circuit. The processing circuit is configured to: estimate the communication service modes for a user equipment within a target time segment on the basis of a time-variant multi-status model; and on the basis of the estimated communication service modes, to determine the size of a primary user protection area to be applied to the user equipment.