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160results about How to "Guaranteed QoS requirements" patented technology
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A service quality assurance-based grouping service wireless resource dispatching method
ActiveCN101060474AGuaranteed QoS requirementsQoS requirements guaranteeRadio/inductive link selection arrangementsData switching networksQuality of serviceQuality assurance
The disclosed wireless resource scheduling method for grouping business based on QoS comprises: determining business PRI for resource scheduling; to different type user, allocating resource for user with average data rate less GBR; calculating PRI for every user according to current rate, average rate and overtime threshold or based on buffer ratio, and allocating resource as user PRI. This invention allocates resource more flexibly, and can adapt resource management in future.
Owner:DATANG MOBILE COMM EQUIP CO LTD
Method and system for realizing realtime transmission protocol message redundancy
ActiveCN101030832ASave bandwidth resourcesGuaranteed service QoS requirementsError preventionReal-time Transport ProtocolReal-time computing
The invention is used for avoiding the waste of bandwidth and satisfying the requirement of packet loss rate when using RTP redundancy mechanism. In the invention, when making a calling, the redundancy degree can be dynamically adjusted according to the transmission environment of network.
Owner:HUAWEI TECH CO LTD
Resource distribution method and apparatus
InactiveCN101364856AGuaranteed resource requirementsGuaranteed QoS requirementsRadio/inductive link selection arrangementsSignal channelsReal time servicesCarrier signal
The invention discloses a resource allocation method, which comprises the following steps: determining the scheduling priority of each user according to the closeness degree of a packet loss rate and a packet loss threshold of the current real-time service of the user, the closeness degree of a maximal wait packet delay and a maximal tolerance packet delay of the current real-time service of the user and the maximal channel capacity on assignable sub-carriers on a current system of the user; allocating sub-carriers for the user with the highest scheduling priority so that the user with the highest scheduling priority has maximal channel capacity on the sub-carrier; determining the scheduling priorities of other uses on the sub-carriers, and selecting other service users according to sequence of the scheduling priorities from high to low; calculating the channel gain of each space sub-channel selected by each user; and allocating power to each space sub-channel. The invention also discloses a resource allocation device. The method and the device can effectively ensure the Qos requirement for real-time service users in an actual real-time service environment and can improve the throughput of the system.
Owner:TD TECH COMM TECH LTD
Resource allocation method for real-time service transmission and real-time service transmission method
ActiveCN101488906AGuaranteed real-timeGuaranteed QoS requirementsError prevention/detection by using return channelNetwork traffic/resource managementReal time servicesNetwork packet
The invention discloses a resource allocation method transmitted by real-time business and uplink / downlink real-time business transmission method; in the uplink real-time business transmission method, a base station allocates semi-static business channel resource for the terminal; the terminal uses the semi-static business channel resource to execute the initial transmission of mixed automatic retransmission request of the business package; the base station receives the semi-static business channel resource and judges whether the initially transmitted real-time business package is right, if not, allocates dynamic business channel resource for the terminal; the terminal uses the dynamic business channel resource to retransmit the real-time business package; the base station receives the dynamic business channel resource to judge whether the retransmitted real-time business package is right, if not, allocates the dynamic business channel resource for the terminal under the condition that the retransmission times do not achieve the preset threshold value.
Owner:ZTE CORP
Downlink chain resource allocation method for heterogeneous network
ActiveCN102711262AReduce distractionsGuaranteed QoS requirementsWireless communicationQuality of serviceResource block
The invention discloses a downlink chain resource allocation method for a heterogeneous network in the communication resource management technology field under a hybrid network of a macro cell and a femto cell. The method comprises the steps of: building a user set and a usable resource block set; calculating and forming a user priority list; calculating the quantity of the resource blocks required by a user; selecting the user with the highest priority from the user priority list, and selecting the resource block with the best channel quality from the usable resource set so as to be allocated to the user with the highest priority, wherein the resource blocks directly allocated to the user with the highest priority have the same quantity as the resource blocks required by the user with the highest priority or the usable resource block set is empty; and calculating and updating the transmission power of the base station of the macro cell / the femto cell on the usable resource blocks while being communicated with the user. By using the method, the interference among the cells is reduced, and the QoS (Quality Of Service) requirement of each user on each business is ensured, and the maximized system throughput as well as the fair among the users and the businesses are achieved.
Owner:BEIJING JIAOTONG UNIV
Management method and management system for multiple services and multiple connections of mobile communication
InactiveCN101662810AFair Use GuaranteedGuaranteed QoS requirementsConnection managementDistributed computingManagement system
The invention discloses a management method for multiple services and multiple connections of mobile communication, which comprises the following steps of: triggering the management of the multiple connections; determining a candidate network set; allocating a network for each one of the services; and transferring each one of the services to corresponding networks. The invention also discloses a management system for the multiple services and the multiple connections of the mobile communication. The management method and the management system solve the matching problems between the transmission requirement of the multiple services and the transmission capability of the multiple connections, and make full use of the network resources of the multiple connections. A most suitable network connecting resource is selected for each one of the services through the sequencing of candidate networks and the matching calculation of the services and the connections so as to ensure the QoS requirements of the multiple services of a terminal and the reasonable use of the network resources of the multiple connections.
Owner:CHINA MOBILE COMM GRP CO LTD
Method of service flow access control and bandwidth allocation based on OFDM system
ActiveCN101286946AFlexible allocationGuaranteed QoS requirementsData switching networksSignal channelsService flowDynamic bandwidth allocation
The invention relates to a service flow access control and bandwidth allocation method based on an orthogonal frequency division multiplexing (OFDM) system, which mainly solves the problems of service flow access control and system bandwidth resource allocation in the OFDM system. The method of the invention essentially comprises the following steps: (1) carrying out access control according to the management information of dynamic service flow and generating a bandwidth-reserved distribution list; (2) distributing the bandwidth-reserved according to the bandwidth-reserved distribution list; and (3) distributing the rest bandwidth according to a weight factor configuration table. The method provided by the invention not only effectively improves the use efficiency of the system resources, but also ensures fairness among a plurality of service types and prevents 'starvation' phenomenon caused by that the bandwidth cannot be obtained due to the comparatively low priority of users.
Owner:WUHAN HONGXIN TELECOMM TECH CO LTD
Sky-based network space route exchanging method
InactiveCN101022412AIncrease exchange speedIncrease system capacityRadio transmissionNetworks interconnectionSkyFrame sequence
A method for exchanging satellite-carried route of sky based network includes judging whether source user and destination user of data are in the same wave beam or not and carrying out data link layer exchange on data if it is or otherwise judging whether multi-protocol countermark is carried by data or not according to data packet formed frame sequence number data in connection head, carrying out multi-protocol countermark exchange on data if it is or otherwise carrying out IP route exchange on data.
Owner:BEIHANG UNIV
Start carried routing switching system for broadband satellite communication
InactiveCN101127703AGuaranteed QoS requirementsLarge transmission delayData switching networksTraffic capacityPhysical layer
The utility model relates to a space-borne routing exchange system used for broad band satellite communication, comprising a plurality of user interface units which are respectively connected with a plurality of user physical layer processing units and a main-control routing exchange unit, and used for multi-user connection, rapid frame exchange and data processing; an inter-satellite link interface unit which is respectively connected with a multi inter-satellite link physical layer processing unit and a main control routing exchange unit and is used for performing inter-satellite wireless link processing of data transmitted by a plurality of inter-satellite link physical processing unit; a feeder link interface unit which is respectively connected with a feeder link physical layer processing unit and the main control routing exchange unit and used for performing the feeder wireless link processing; a main control routing exchange unit which is respectively connected with a plurality of user interface units, an inter-satellite link interface unit and a feeder link interface and used for receiving various data and control information inputted into all the above units, thereby performing pocket forwarding and maintaining network status information and finishing interactive network protocol. The utility model has advantaged that the system can ensure the Qos of network operation effectively and control network traffics.
Owner:BEIHANG UNIV
Delay-controllable combined wireless resource scheduling method
InactiveCN102781108AGuaranteed real-time accessGuaranteed QoS requirementsWireless communicationProcessor registerMedia access control
The invention discloses a delay-controllable combined wireless resource scheduling method. The method comprises steps of reading a system clock of a time-vision long-term evolution (TD-LTE) network regularly by using an extra clock register and enabling, notifying a wireless local area network (WLAN) regularly through the clock register and maintaining synchronization of the WLAN and the TD-LTE network; distinguishing an uplink direction and a downlink direction of a business on a media access control (MAC) layer of the WLAN, arranging an uplink contention window and a downlink contention window and matching window sizes in accordance with uplink time and downlink time of the TD-LTE network; aiming at business demands generated from the WLAN to design a combined virtual mapping mechanism and enabling the TD-LTE to distribute WLAN data rapidly to a suitable carrier for transmission; and designing a channel matching rule based on delay and guaranteeing a delay sensitive business. By the aid of the method, high priority businesses can access in real time, requirements of quality of service (Qos) of real-time businesses are guaranteed, a lot of delay generated during transmission of data businesses in a heterogeneous system is reduced, and requirements of different Qos businesses for delay are met.
Owner:SHANGHAI RES CENT FOR WIRELESS COMM
Method for allocating joint resources of D2D communication system based on cellular network
ActiveCN105472751ABalancing QoS RequirementsGuaranteed QoS requirementsHigh level techniquesWireless communicationCommunications systemResource block
The invention provides a method for allocating joint resources of a D2D communication system based on a cellular network, and belongs to the technical field of wireless communication. In the D2D communication system based on the cellular network, a D2D user can reuse a resource block of a cellular user (CU) to realize direct communication without relying on a base station. The resource allocation method is not only used for jointly optimizing the power allocation and resource block allocation of the D2D user and the cellular user under limit interference conditions to achieve the purpose of high energy efficiency, but also considering the QoS requirements of the cellular user, balancing the QoS requirements of the cellular user and the continuously improved D2D system and rate, and filling the blank of carrying out resource allocation and guaranteeing the QoS requirements in the D2D communication system based on the cellular network under the limit interference conditions.
Owner:SHANDONG UNIV
Hybrid automatic retransmission method, system and terminal in MC-HSUPA
ActiveCN102447547AEasy to handleIncrease flexibilityError prevention/detection by using return channelWireless communicationQuality of serviceComputer science
The invention discloses a hybrid automatic retransmission (HARQ) method in multi-carrier high speed uplink packet access (MC-HSUPA). In MC-HSUPA, a terminal selects HARQ process as scheduling transmission according to the process selecting rule and sends a corresponding HARQ process mark to a base station; the base station obtains HARQ process number according to the HARQ process mark and the process selecting rule and process uplink data at corresponding HARQ process. The invention discloses an HARQ system and terminal in MC-HSUPA at the same time. The proposal of the invention can make 4 HARQ scheduling processes owned by the terminal HARQ entity of the present MC-HSUPA expand to 8 scheduling processes to improve the processing performance of the MC-HSUPA terminal and the scheduling flexibility is improved to ensure the service quality and requirement.
Owner:盐城昊隆机械有限公司
Resource transmitting equipment and method in MIMO system and distributing system and method thereof
ActiveCN101132214AGuaranteed QoS requirementsImprove capacity utilizationSpatial transmit diversityBaseband system detailsCommunications systemDistribution method
This invention relates to a sending device, a method, a distributing system and a method for down link radio resources in the MIMO system, in which, the system includes a sending device and a receiving device, and the sending device includes a judger of user kinds, a process device for low and high speed user business, the receiving device includes a test estimator for channel state and a process device for user business, the distributing method for down link radio resources includes executing processes of sending and receiving to execute business judgment at the sending and receiving devices to further distribute resources.
Owner:INST OF COMPUTING TECH CHINESE ACAD OF SCI
LTE system base station device downlink resource distribution method and device
ActiveCN104469957AMeet scheduling requirementsGuaranteed QoS requirementsWireless communicationEngineeringWideband
The invention discloses an LTE system base station device downlink resource distribution method and device. The LTE system base station device downlink resource distribution method includes the steps that based on a wideband channel quality indicator (CQI), downlink resources are primarily and secondarily distributed, and the downlink resources are distributed based on a sub-band CQI. Configuration of various system parameters in an LTE system is fully considered, the parameters include channel quality information of users, service features, the service data buffer data size and the user control information buffer data size, the resources are distributed to the system access users, the requirements for QoS of different services of the system access users can be effectively guaranteed, and meanwhile system spectrum efficiency is improved.
Owner:ZHONGKE JINGSHANG SUZHOU INFORMATION TECHCO
Method for optimizing resources of static-dynamic mixed service in three-layer network
InactiveCN101895422AOptimal initial topologyReduce blocking rateData switching networksTopology informationResource coordination
The invention discloses a method for optimizing resources of a static-dynamic mixed service in a three-layer network, which mainly solves the problem of transmission of the static-dynamic mixed service resource in the three-layer network, and comprises the following steps of: 1) inputting three-layer network topology information and a static service matrix; 2) taking a priority routing algorithm of request bandwidth total maximum as static service routing; 3) taking an ant colony optimization-based integrated routing algorithm as dynamic service routing; 4) determining whether to call an interlayer or intralayer resource optimization method or not according to grade parameters of the dynamic service and the joint routing result; 5) performing network periodic triggering on the global resource scheduling and optimizing method based on the adaptive period of the load intensity; and 6) carrying out the algorithm running result. In the invention, by introducing transport network layering,the ant colony optimization-based dynamic service joint routing algorithm, an interlayer resource coordination mechanism and a tabu search-based static service re-grooming method, global network resource optimal utilization is improved, the false rejection rate of a user connection request is reduced, and the requirement of end-to-end quality of service (QoS) is met.
Owner:XIDIAN UNIV
Data uploading and receiving method, terminal, base station and system
InactiveCN101197643AAvoid wastingGuaranteed QoS requirementsRadio transmission for post communicationError prevention/detection by transmission repeatData transmission systemsBase station
Owner:DATANG MOBILE COMM EQUIP CO LTD
Joint resource allocation method ensuring QoS requirement in collaboration cognitive network
ActiveCN105007631AImprove performanceGuaranteed QoS requirementsHigh level techniquesWireless communicationCarrier signalSubcarrier
A joint resource allocation method ensuring a QoS requirement in a collaboration cognitive network belongs to the technical field of wireless communication. In the collaboration cognitive network, a secondary system assists a primary system to reach target effective capacity of a user, and the secondary system uses a leisure sub-carrier to transmit own signal at the same time. The resource allocation algorithm not only performs optimal distribution to power allocation of the secondary system and subcarrier allocation in a joint manner to reach a goal of high energy efficiency, but also considers the QoS (quality of service) requirement of a system. The joint resource allocation method of the invention balances limited radio resource and QoS requirement which is improved constantly so as to fills the blank of performing resource allocation and ensuring the QoS requirement in the collaboration cognitive network.
Owner:SHANDONG UNIV
Method of mapping scheduler priority level mark in high speed down packet access system
InactiveCN1835473AGuaranteed QoS requirementsProtect interestsData switching networksWireless communicationQuality of serviceCore network
The method comprises: RNC pre-configures a mapping relation table between RAB parameters appointed by core network and the sign of scheduling priority; the RAB parameters comprise service class, allocation / reservation priority and service processing priority; said mapping relation table comprises a classification table of allocation / reservation priority, a classification table of service processing priority and a mapping relation sub-table of scheduling priority sign of all kind services; after the reception and control layer allows the RAB service access to high speed downlink packet access system, the RNC read out the RAB parameters in RAB appointing request, and based on the parameters, gets the scheduling priority sign corresponding to the service from the mapping relation table.
Owner:ZTE CORP
QoS management mechanism for distinguishing user priorities in WLAN based on SDN and AP (Access Point) virtualization technique
InactiveCN105610617AMeet QoS requirementsRealize QoS GuaranteeData switching networksVirtualizationQos management
The invention discloses a QoS management mechanism for distinguishing user priorities in WLAN. In adoption of the SDN and an AP virtualization technique, the data of user terminals of different priorities are bound on the queues of different priorities at each port of an OpenFlow switch. The mechanism is realized through the following steps that a sender sends data to a physical access point; the physical access point converts 802.11 data frames into Ethernet frames; the Ethernet frames are sent to the OpenFlow switch; the OpenFlow switch forwards the data from the appointed queue of the appointed port according to matching flow table items; if there is no matching flow table item, the data are sent to a center controller; and the center controller decides how to process the data. According to the mechanism disclosed by the invention, the data of user terminals of different priorities are bound on the queues of different priorities by the OpenFlow switch for forwarding; the QoS management capable of distinguishing user priorities can be realized; and therefore, the user terminals of different priorities can obtain different QoS experiences.
Owner:HEFEI UNIV OF TECH
Joint transmission method for carrying out parallel transmission and cooperation in cognitive network
InactiveCN103220094AImprove throughputGuaranteed QoS requirementsError prevention/detection by using return channelCapacity lossAutomatic repeat request
The invention discloses a joint transmission method for carrying out parallel transmission and cooperation, wherein the joint transmission method is applied to a cognitive network and aims at resolving the problems that an existing transmission strategy designed based on an automatic repeat request (ARQ) protocol is little in handling capacity obtained by a secondary user when a primary user has good channel conditions, and handling capacity loss of the primary user has no compensation. The joint transmission method mainly comprises the steps that 1. the secondary user sets transmitted power, and the fact that the outage probability of the primary user meets an interrupt threshold value is guaranteed; 2. the secondary user monitors feedback information of the primary user, and judges whether a current slot time is a first transmission time slot or a retransmission time slot; 3. if the current time slot is the first transmission time slot, the secondary user and the primary user are in parallel transmission, and handling capacity is obtained; and 4. if the current time slot is the retransmission time slot, the secondary user serves as a relay of the primary user, and compensates interference caused on the primary user in the parallel transmission. According to the joint transmission method, the handing capacity of the secondary user is improved on the premise that the primary user obtains the minimum handling capacity loss, definite compensation is provided for the handling capacity loss of the primary user, and the joint transmission method can be used for improving transmission efficiency of the cognitive network.
Owner:XIDIAN UNIV
Resource scheduling optimization method based on channel signatures in D2D communication network
ActiveCN108093411AGuaranteed QoS requirementsSuppress mutual interferenceNetwork planningMachine-to-machine/machine-type communication serviceQuality of serviceSystem capacity
The invention relates to a resource scheduling optimization method based on channel signatures in a D2D communication network. The method comprises the steps of utilizing the time reversal technologyfor executing channel signature design on honeycomb users and D2D users; adopting a Stackelberg game model for setting the best price for the honeycomb users and distributing the best transmitting power for the D2D user pairs; according to the D2D user capacity gain planning target, adopting a capacity gain region limiting mechanism for distributing candidate honeycomb user link resources for theD2D user pairs; according to the requirement for the D2D user resource reuse fairness, adopting a resource reuse threshold value for limiting the number of D2D user reuse resources; in order to sufficiently utilize the honeycomb user link resources, distributing the D2D user pairs for the idle honeycomb users, and the maximizing the system throughput. The honeycomb user service quality is ensured,the interference between users is restrained, the spectrum efficiency is improved, the honeycomb system capacity loss is lowered, and the system user resource reuse fairness is improved.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Smart grid MAC layer multi-service performance analysis method based on Markov model
ActiveCN105245358AMeet QoS requirementsGuaranteed QoS requirementsData switching networksService flowWireless mesh network
The invention provides a smart grid MAC layer multi-service performance analysis method based on a Markov model. The method mainly comprises the steps that 1) an EDCA mechanism is realized in the MAC layer on the basis of IEEE802.11s, the new 3D Markov model is provided to analyze the states of service flows of different priorities of the smart grid, and the model includes the whole process from an unsaturated state to a saturated state; 2) in the multi-hop wireless Mesh network, the channel contention performance of services of different priorities in nodes is greatly reduced due to interference of a hidden terminal in the nodes, and thus, the back-off processes of the different service flows in the EDCA mechanism are analyzed by considering the hidden terminal and the QoS requirements of the different service flows in the smart grid comprehensively according to the provided Markov model; and 3) the back-off processes of the different service flows are combined to analyze the MAC-layer performances, as the average throughput and average end-to-end time delay, of the different service flows. The method provided by the invention can provide theoretical guidance for the wireless Mesh network that satisfy different QoS requirements of the smart grid.
Owner:CENT SOUTH UNIV
Method and user device for triggering buffer area state report
InactiveCN101772090AReduce overheadSolve the problem of hungerNetwork traffic/resource managementUplink schedulingUser equipment
The invention discloses a method and user device for triggering buffer area state report, belonging to the communication field. The method comprises the following steps: obtaining the water quantity for ensuring bit rate in PBR leaky bucket of radio bearer; and when the water quantity of PBR leaky bucket of radio bearer reaches the water quantity threshold of PBR leaky bucket of radio bearer and the radio bearer contains data to be sent, triggering the buffer area state report. The user device comprises an obtaining module and a triggering module. The method provided by the embodiment of the invention can timely trigger BSR, do not caused radio bearer resource starvation, reduce the cost used for sending BSR and provide efficient and fair buffer area state information needed by uplink scheduling so as to ensure the QoS requirements of various services.
Owner:HUAWEI TECH CO LTD
Traffic classes differentiated (TCD) failure recovery method based on multi-protocol label switching technology (MPLS-TE)
InactiveCN102420704ASolve the problem of bandwidth service dropGuaranteed QoS requirementsData switching networksRecovery methodTraffic capacity
The invention discloses a traffic classes differentiated (TCD) failure recovery method based on a multi-protocol label switching technology (MPLS-TE). The method comprises an off-line processing stage and an on-line processing stage. In the off-line processing stage, by using a TCD algorithm, a label switched path (LSP) state information base is established and maintained in a network initialization stage, wherein the LSP state information base comprises an LSP identifier (ID), a main path, a backup path, a service flow attribute, a maintenance priority attribute and an establishment priority attribute and is used for subsequent flow switching and resource preemption. Two steps of flow switching and resource preemption are executed in the on-line processing stage. By adoption of the TCD algorithm, different failure recovery requirements of different service flows can be differentiated. The TCD algorithm has lower packet loss rate, shorter failure recovery time and higher resource utilization efficiency, and is superior to the conventional failure recovery algorithm.
Owner:NORTHEASTERN UNIV LIAONING
Cooperative channel access method and cooperative communication system capable of guaranteeing quality of service
InactiveCN102170665AMeet real-time requirementsGuaranteed QoS requirementsNetwork traffic/resource managementQuality of serviceCommunications system
The invention provides a cooperative channel access method and a cooperative communication system capable of guaranteeing quality of service, wherein the method is characterized in that a plurality of transmitter nodes compete for the access to a channel according to the priorities of respective to-be-transmitted service packets and a winning transmitter node with the highest priority obtains access to the channel; the winning transmitter node sends a CRTS packet to the channel; a receiver node receives the CRTS packet on the channel and replies with a CCTS packet; a plurality of cooperative nodes compete for the access to the channel according to the CRTS packet and the CCTS packet and a winning cooperative node with the highest priority obtains the access to the channel; and the winningtransmitter node transmits the service packet to the receiver node through the transmission of the winning cooperative node. The method and system can better guarantee the quality of service under high speed information transmission, thereby meeting the requirement of service real time for users.
Owner:BEIHANG UNIV
Resource allocation method based on clustering in femtocell double-layer network
ActiveCN106231610AGuaranteed QoS requirementsSuppress interferenceNetwork planningHigh level techniquesQuality of serviceAllocation algorithm
The invention relates to a resource allocation method based on clustering in a femtocell double-layer network. The resource allocation method comprises the steps of allocating sub-channels for MUEs (Macrocell User Equipments) by employing a three-round sub-channel allocation algorithm; according to a planning objective and constraint conditions for power allocation, allocating a power for the MUEs by adopting a typical water-filling algorithm; carrying out clustering on femtocells by adopting an improved GASA; according to rate requirements of FUEs (Femtocell User Equipments), allocating the sub-channels for the FUEs by adopting a heuristic algorithm; and carrying out power allocation on the FUEs by employing KKT (Karush-Kuhn-Tucker) conditions. According to the resource allocation method disclosed by the invention, on the premise of guaranteeing normal communication of the MUEs, the interference among the MUEs is minimized, the spectrum utilization efficiency is improved, and the service quality of the FUEs and the MUEs is guaranteed.
Owner:CERTUS NETWORK TECHNANJING
Multilayered satellite network channel resource management method
ActiveCN104780569AImprove satisfactionImprove resource utilizationNetwork traffic/resource managementNetwork topologiesResource assignmentResource utilization
The invention discloses a multilayered satellite network channel resource management method. The method comprises steps as follows: a prediction model of the business volume of new calling users allowed to be accessed in a community in a period of time is proposed firstly, the business volume of the new calling users allowed to be accessed in the community in a period of time is predicated accurately, and decision support is provided for different users requiring access to multilayered satellite networks; channel resource allocation is performed on the multilayered satellite networks, and the channel resource utilization rate of the whole satellite network is increased; types and the downgrading number of downgraded users are judged with a game theory, and an improved upgrading and downgrading model determines a specific downgrading method of the downgraded users and access of the downgraded users after downgrading, so that the downgrading process is more reasonable and more transparent, and the overall user's satisfaction is improved while the access of high-priority users is guaranteed. According to the multilayered satellite network channel resource management method, the users with different priorities in the satellite networks are reasonably accessed to the multilayered satellite networks, the channel resource utilization rate of the whole satellite system is increased, the user's satisfaction is improved, the satellite channel resource waste is reduced, and the satellite communication efficiency is improved.
Owner:NANJING UNIV OF POSTS & TELECOMM
CSIT collection method, cross-layer scheduling algorithm, and its system and equipment
ActiveCN101222730AGuaranteed QoS requirementsImprove latencyRadio/inductive link selection arrangementsRadio transmission for post communicationFrequency spectrumSelf adaptive
Owner:HUAWEI TECH CO LTD
Distributed energy-saving resource distribution method of heterogeneous network
ActiveCN104159314AReduce Peer InterferenceReduce cross-layer interferenceHigh level techniquesWireless communicationMacro base stationsEnergy efficient resource allocation
The invention discloses a distributed energy-saving resource distribution method of a heterogeneous network, and belongs to the technical field of heterogeneous network self-organizing network. The method comprises the following steps: a home base station in a residential quarter obtaining a corresponding adjacent jamming list according to a jammed condition of all users; the home base station in the residential quarter obtaining an initial sub-channel allocation according to a new utility function; the home base station in the residential quarter performing cooperative sub-channel allocation to the determined initial sub-channel allocation based on respective adjacent jamming list; the home base station in the residential quarter performing power allocation according to new utility function after determining the sub-channel allocation, and a macro base station performing non-uniform pricing on each sub-channel. The same-layer jamming between the home base stations can be effectively reduced, the QoS requirement of a macro user on each sub-channel can be effectively guaranteed, thereby effectively reducing the cross-layer jamming of the home base station to the macro user.
Owner:CHONGQING UNIV OF POSTS & TELECOMM
Aircraft formation hierarchical network access management method and system
ActiveCN108683445AImprove efficiencyOptimize overheadRadio transmissionData switching networksInformation fieldVisibility graph
The invention belongs to the technical field of equipment maintenance or management, and discloses an aircraft formation hierarchical network access management method and system. The management methodincludes the following steps: initializing aircraft formation network parameters; identifying aircraft node capability state information; defining node comprehensive property parameter indexes by using the node capability state information; constructing a whole network node capability visibility graph according to the comprehensive property parameter indexes; selecting a formation network accessinitiation node according to the consideration of the node capability visibility graph and the geographical location area; completing control information interaction between the network access initiation node and a main topology central control node according to the principle of minimum hop count and a sleep state multipath way-finding mode based on geographic location information; and carrying out information in a formation after the network access initiation node receives network access response so as to make the nodes update a local information field to finish the formation network access.According to the invention, maximum network access efficiency is obtained with lowest cost, the comprehensive performance of formation network access is improved, network communication QoS needs are guaranteed, and the task completion efficiency and quality are improved.
Owner:XIDIAN UNIV
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