Abstract: Disclosed are an inter-network shared frequency spectrum optimization system and method. In the optimization method, a frequency spectrum resource allocated to a first network in a shared frequency spectrum pool comprises a frequency spectrum resource occupied by an OPEN mode base station in a first cell cluster, and a frequency spectrum resource allocated to a second network in the shared frequency spectrum pool comprises a frequency spectrum resource occupied by an OPEN mode base station in a second cell cluster, wherein the frequency spectrum resource occupied by each OPEN mode base station in the first cell cluster and the frequency spectrum resource occupied by each OPEN mode base station in the second cell cluster have the same size. The present invention improves the frequency spectrum efficiency and the base station service quality are improved.

Abstract: An apparatus comprising at least one processor, and at least one memory for storing instructions to be executed by the processor, wherein the at least one memory and the instructions are configured to, with the at least one processor, cause the apparatus at least: to receive and process a data transmission related to a communication channel allocated to a device-to-device broadcast communication, to determine an occupation state related to the received data transmission, to prepare an occupation indication related to the determined occupation state, and to conduct a processing for transmitting the occupation indication.

Abstract: There is provided a radio system, having a receiver for receiving cell measurement data with respect to an own cell and adjacent cells of each user terminal of a plurality of cells of the radio system; a calculation unit for comparing resulting interference values of different user terminal combinations within the same frequency-time resource group of the radio system on the basis of the cell measurement data, the frequency-time resource group including user terminals of more than one cell; and a processing unit for controlling resource allocation in at least part of the frequency-time resource groups on the basis of the comparison.

Abstract: Disclosed is a network interference coordination method in a co-primary spectrum sharing scenario. The method comprises the following steps: a first network and a second network negotiate an inter-network shared band, the shared band being in a shared spectrum pool; the first network evaluates inter-network interference; the first network determines whether to perform internal coordination, if internal coordination is performed, the first network performs internal coordination; if internal coordination is not performed, request the second network to perform inter-network interference coordination; the second network determines whether to perform internal coordination, if internal coordination is performed, the second network performs internal coordination; and if internal coordination is not performed, go back to the step of negotiating, by a first network and a second network, an inter-network shared band.

Abstract: Resource allocation for direct terminal-to-terminal communication in a cellular system. There are provided measures for resource allocation for direct terminal-to-terminal communication in a cellular system, said measures exemplarily comprising configuration of common resources for supporting direct communication between terminals across a predefined registration area comprising one or more cells of a cellular system, and control of an allocation of common resources for enabling direct communication between terminals across the predefined registration area. Said measures may exemplarily be applied for establishing terminal-to-terminal communication in LTE or LTE-Advanced cellular networks.

Abstract: Systems, methods, apparatuses, and computer program products for support of flexible radio protocol in service networks, such as 5G radio access networks are provided. One method may include deciding, by a network entity, to customize or enhance service capability of a service network, wherein the service network comprises a plurality of network access elements, and configuring certain network functions or services flexibly among the network elements of the service network.

Abstract: An apparatus including: at least one processor, and at least one memory for storing instructions to be executed by the processor, wherein the at least one memory and the instructions are configured to, with the at least one processor, cause the apparatus to at least: conduct a processing related to set up a spectrum cooperation relationship in which a spectrum used for communication by a second communication network is allowed to be shared by at least one access network element of a first communication network, receive and process control information indicating an establishment of a spectrum cooperation relationship between the first communication network and the second communication network, and establish, on the basis of the control information, a communication connection path to the second communication network wherein the at least one access network element of the first communication network acts as a communication element of the second communication network.

Abstract: Disclosed is a network interference coordination method in a co-primary spectrum sharing scenario. The method comprises the following steps: a first network and a second network negotiate an inter-network shared band, the shared band being in a shared spectrum pool; the first network evaluates inter-network interference; the first network determines whether to perform internal coordination, if internal coordination is performed, the first network performs internal coordination; if internal coordination is not performed, request the second network to perform inter-network interference coordination; the second network determines whether to perform internal coordination, if internal coordination is performed, the second network performs internal coordination; and if internal coordination is not performed, go back to the step of negotiating, by a first network and a second network, an inter-network shared band.

Abstract: Disclosed are an inter-network shared frequency spectrum optimization system and method. In the optimization method, a frequency spectrum resource allocated to a first network in a shared frequency spectrum pool comprises a frequency spectrum resource occupied by an OPEN mode base station in a first cell cluster, and a frequency spectrum resource allocated to a second network in the shared frequency spectrum pool comprises a frequency spectrum resource occupied by an OPEN mode base station in a second cell cluster, wherein the frequency spectrum resource occupied by each OPEN mode base station in the first cell cluster and the frequency spectrum resource occupied by each OPEN mode base station in the second cell cluster have the same size. The present invention improves the frequency spectrum efficiency and the base station service quality are improved.

Abstract: Disclosed is a network frequency spectrum sharing method, a user terminal of the present network sending a network signal strength measurement report of the different network to a home base station; an operation management node of the present network, based on the network signal strength measurement report, calculating a network overlapping level indicator of the different network, and obtaining network overlapping topology-based information of the different network; and the two networks exchanging the network overlapping topology-based information, and calculating a policy for allocating shared frequency spectrum resources therebetween. The present invention can enable different networks to fairly and reasonably share frequency spectrum resources within a specified range, thus increasing a frequency spectrum utilization rate.

Abstract: Various example implementations are provided to improve wireless resource usage in a device-to-device (D2D) wireless network. According to one example implementation, a first user device may transfer a wireless channel to another user device of the D2D user group before an end of a current channel holding period. The first user device may control sending a channel transfer notification. One or more other user devices may request transfer of the channel for a remaining portion of the current channel holding period by controlling sending a channel transfer request to the first user device. According to another example implementation, the first user device may control sending a channel holding period extension request to one or more other user devices of a device-to-device (D2D) user group to request that the first user device continue holding the wireless channel for a next channel holding period.

Abstract: Disclosed is a network frequency spectrum sharing method, a user terminal of the present network sending a network signal strength measurement report of the different network to a home base station; an operation management node of the present network, based on the network signal strength measurement report calculating a network overlapping level indicator of the different network, and obtaining network overlapping topology-based information of the different network; and the two networks exchanging the network overlapping topology-based information, and calculating a policy for allocating shared frequency spectrum resources therebetween. The present invention can enable different networks to fairly and reasonably share frequency spectrum resources within a specified range, thus increasing a frequency spectrum utilization rate.

Abstract: An apparatus comprising at least one processor, and at least one memory for storing instructions to be executed by the processor, wherein the at least one memory and the instructions are configured to, with the at least one processor, cause the apparatus at least: to receive and process a data transmission related to a communication channel allocated to a device-to-device broadcast communication, to determine an occupation state related to the received data transmission, to prepare an occupation indication related to the determined occupation state, and to conduct a processing for transmitting the occupation indication.

Abstract: An apparatus including: at least one processor, and at least one memory for storing instructions to be executed by the processor, wherein the at least one memory and the instructions are configured to, with the at least one processor, cause the apparatus to at least: conduct a processing related to set up a spectrum cooperation relationship in which a spectrum used for communication by a second communication network is allowed to be shared by at least one access network element of a first communication network, receive and process control information indicating an establishment of a spectrum cooperation relationship between the first communication network and the second communication network, and establish, on the basis of the control information, a communication connection path to the second communication network wherein the at least one access network element of the first communication network acts as a communication element of the second communication network.

Abstract: There are provided measures for resource allocation for direct terminal-to-terminal communication in a cellular system, said measures exemplarily comprising configuration of common resources for supporting direct communication between terminals across a predefined registration area comprising one or more cells of a cellular system, and control of an allocation of common resources for enabling direct communication between terminals across the predefined registration area. Said measures may exemplarily be applied for establishing terminal-to-terminal communication in LTE or LTE-Advanced cellular networks.

Abstract: There is stored a database of registration information associating UEs with cells under control of different network operators. In response to a inquiry from a first network operator that a first UE desires direct communications with a second UE, the registration information is used to coordinate between the first network operator and the second network operator to facilitate establishment of a direct communication link between the first UE and the second UE. In various embodiments the facilitating is enhancing the inquiry/page by adding a cell ID of the first UE's cell and adding pre-allocated radio resources in the first UE's cell for use by the second UE in responding to the page, and determining a single network which is not highly loaded and which can allocate resources for the D2D communications and directing one or both UEs to that single network.

Abstract: A cellular communication system comprising a plurality of user equipment and a network infrastructure. Radio resource of the plurality of cells is divided into more than one radio resource groups. A network infrastructure element detects a requirement of radio resource allocation for a user equipment and determines effective interference to be generated by the required radio resource to a defined group of neighboring cells. User equipment is allocated a radio resource from one of the radio resource groups on the basis of the determined effective interference to be generated to the defined group of neighboring cells. Inter-cell interference decreases and the throughput of the cellular system increases, but the exchange of physical layer information is not increased.

Abstract: The invention is related to an apparatus including a receiver configured to receive communications from a control node of the macro cell in which the apparatus is located, the communications including system information about operation and maintenance support services the control node is able to provide and/or identity information of the control node; and a generator configured to generate messages including identity information of the apparatus, radio environment information, status information on connections to a core network and/or information on capabilities of the apparatus.

Abstract: A radio resource control in an Uplink Frequency Division Multiple Access (FDMA) system is provided. The control procedure includes: dividing the common frequency band into more than one frequency band sub-block; allocating at least one user terminal to each frequency band sub-block on the basis of the modulation and coding schemes used by the user terminals; and controlling transmission power of the user terminals on the basis of the modulation and coding schemes used by the user terminals.

Abstract: A communication method includes monitoring a time division multiple access (TDMA) frame structure of a cellular system by a plurality of non-cellular nodes of a non-cellular network by using a common channel of the cellular system, and using the time division multiple access (TDMA) frame structure of the cellular system in the non-cellular network for exchanging data between at least some of the plurality of non-cellular nodes.