211 results about "Channel resource allocation" patented technology

The present invention provides a method for indicating wireless channel resource allocation, indicating a starting position and an ending position of m group(s) distributed to a terminal, and indicating a first RBG and a last RBG for a group containing at least two RBGs; when the group contains one RBG and is not the last one, indicating the RBG contained by the group and a previous RBG of a firstRBG contained by a next group; when the group only contain one RBG and is the last one, indicating the RBG and a virtual RBG; or when the group only contain one RBG and is not the first one, indicating a following RBG of the last RBG contained by a previous group, and the RBG contained by the group; when the group only contain one RBG and is the first one, indicating a virtual RBG and the RBG contained by the group. The invention also provides a corresponding decoding method, a base station and a terminal for the wireless channel resource allocation. According to the invention, no matter whatis a number m of the groups, it is nothing remains but to add one virtual RBG only, such that signalling spending is minimum.

The invention provides a method for marking downward ponderance carrier wave in a random access process, which comprises that: after receiving a random access precursor transmitted by a terminal, a base station transmits a random access response corresponded with the random access precursor, and on all the transmitted downward ponderance carrier wave corresponded with the random access response, different channel resource allocation information is carried in the random access response transmitted on different downward ponderance carrier waves; after receiving a first dispatching uplink Msg. 3, the base station determines the downward ponderance carrier wave synchronous with the terminal based on resource of physical upward shared channel taken up by the Msg. 3. The invention also provides a base station for marking the downward ponderance carrier wave in the random access process. The method for marking downward ponderance carrier wave in a random access process marks the downward ponderance carrier wave by means of channel resource allocating information of the random access response and implicitly transmits the marking by means of resource of the Msg.3, thus enables the base station to determine the downward ponderance carrier wave synchronous with the terminal.

The invention discloses a method for indicating wireless channel resource allocation, a base station, a decoding method and a terminal, which can indicate resource positions and save signaling and are used for solving the problem that how to guarantee channel resource indication and signaling overhead in discontinuous resource allocation. The method comprises that: the base station enumerates the number and positions of resource block groups (RBG) possibly contained by each cluster in advance according to the system bandwidth, cluster number and the sizes of the RBG, and identifies each kind of combination of number and positions with unique state flag information; the base station and the terminal agree on the RBG number and positions indicated by each piece of state flag information; and in the process that the base station allocates resources to the terminal, the base station forms a state flag information group by the state flag information corresponding to each cluster of resources and sends the state flag information group to the terminal after determining each cluster of resources to be allocated to the terminal, namely RBG number and positions in each cluster.

A method of allocating channel resources from a first device to a second device in a wireless network comprises receiving channel resource allocation information from a coordinator of the wireless network to allocate the channel resources; transmitting data to the second device through the allocated channel resources; receiving channel resource request information from the second device to request the first device to allocate a part of the allocated channel resources; and deciding whether to allocate the part of the channel resources allocated from the coordinator, to the second device in accordance with the channel resource request information.

This invention relates to a method for instructing resource distribution information in control signaling including: a network distributes resource blocks to user devices and gets a control bit for instructing resource distribution information to use part of code words of the control bit of distribution information of transfer resource block to instruct a mode of distributing channels with a larger grain size and instructs distributing channels in a smaller grain size with the rest code words and sends L1/L2 control signaling to instruct the resource block to distribute information and other control information, in which, network distributes channel resource according to different grain sizes to meet the needs of network for transmitting small data packets.

The invention discloses a power-controlling and channel-resource allocating method of D2D(Device to Device) communication-system reuse honeycomb uplink-channel resources in a fractional frequency reuse (FFR) honeycomb cell, which comprises the D2D communication-channel resource allocation in the FFR honeycomb cell and the D2D communication-system power control in the FFR honeycomb cell. The D2D communication-channel resource allocation in the FFR honeycomb cell comprises the following steps of: acquiring the mutual distance of both sides of D2D communication and the transmitting power of a honeycomb user; obtaining the positioned area of an accessible D2D user, i.e. a D2D-user accessible area; and obtaining the positioned area of a multiplexed honeycomb, i.e. a multiplexing channel-resource area. The D2D communication-system power control in the FFR honeycomb cell comprises the following steps of: judging the positioned D2D-user accessible area of the D2D user; judging the multiplexing channel-resource area of the D2D user; acquiring the transmitting power of the position of the multiplexed honeycomb user in the multiplexing channel-resource area; and obtaining the transmitting power of the D2D user.

The invention discloses a channel resource allocation method, a base station and a relay node, aiming at solving the problem that the traditional channel resource distribution cannot give consideration to pilot frequency design at the same time of improving the efficiency of acquiring an R-PDDCH (Relay-Physical Downlink Control Channel) by the RN (Relay Node). The method comprises the following steps: the base station transmits R-PDCCH information and R-PDSCH (Relay-Physical Downlink Share Channel) information by adopting a TDM (Time Division Multiplexing) way in an RN-Specific R-PDCCH area in a downlink relay chain data subframe; and the base station transmits R-PDCCH information and R-PDSCH information by adopting an FDM (Frequency-Division Multiplexing) way in a Common R-PDCCH area in the data subframe. By adopting the technical scheme, the invention also simplifies the pilot frequency design at the same time of improving the efficiency of acquiring the R-PDDCH information by the RN.

The invention discloses a communicating method of a power line carrier OFDM system. The communicating method comprises the steps of grouping K available subcarriers Ck to form L channel groups G1, wherein each of the subcarriers Ck exclusively belongs to one of the channel groups G1, data to be sent are allocated to the channel groups G1, and data transmission is performed in the channel groups G1 the data are allocated. The invention further discloses a communicating device of the power line carrier OFDM system based on the method. The excellent spectrum efficiency and transmission efficiency can be obtained through dynamic dispatching and channel resource allocation of the OFDM system, and one OFDM physical frame can bear data transmission meeting different transmission performance requirements simultaneously. In addition, the data distribution randomness is enhanced through grouping and interleaving of an interleaver, the problems of large depth and high processing delay are solved, and the system performance is improved.

An efficient uplink HARQ feedback channel resource allocation scheme is adopted for carrier aggregation in a multi-carrier LTE/LTE-A system. Two resource allocation schemes (e.g., explicit and hybrid) for HARQ ACK/NACK (A/N) are applied. Part of the resources is allocated based on explicit method via RRC configuration. Another part of the resources is allocated based on hybrid method via both RRC and implicit information carried by downlink schedulers. In an explicit method, the physical resource for A/N feedback information is determined based on a resource index in a DL scheduling grant. The DL grant corresponds to transport blocks over a configured CC. The resource index points to a physical resource from a set of candidate uplink A/N physical resources reserved for the CC. In an implicit method, the A/N physical resources are determined based on a logical address of the DL scheduling grant.

The invention discloses a channel resource allocation method based on time division multiplexing. The method comprises the following steps that: 1, nodes detect status flags, and send data packets in mini-slots corresponding to the first stage of the current time slot control part according to the status flags; and the first stage of the current time slot control part has N mini-slots, and N is the number of the nodes; 2, the nodes generate data packets to be transmitted according to the data packets received in the first stage of the current time slot control part, and transmit the data packets to be transmitted in the mini-slots corresponding to the second stage of the current time slot control part; and the second stage of the current time slot control part has N mini-slots; and 3, thenodes calculate competition results according to the data packets received in the first stage and the second stage of the current time slot control part, and update the status flags of the nodes according to the competition results; and the nodes successful in competition send data in reserved time slots. By using the method, the nodes can reserve a plurality of time slots.

The invention discloses an LEO satellite channel resource allocation method based on reinforcement learning. The LEO satellite channel resource allocation method comprises the following steps: (1) a satellite centralized resource pool pre-allocates channel resources to each beam cell; (2) if the pre-allocated resources are surplus, the pre-allocated resources are collected to a resource pool, andif the pre-allocated resources cannot meet user requirements, channel resources are scheduled in a dynamic allocation mode; (3) the system performs training by using a Q-Learning algorithm to search for an optimal allocation strategy, and performs dynamic channel scheduling according to the allocation strategy after the training is finished; and (4) the system enters the next service request timeinterval, and allocates the channels in a mode of combining fixed channel pre-allocation and dynamic channel scheduling. According to the method, the channel resources are managed through the centralized resource pool to adapt to the inter-beam service difference, and the problem of time correlation in channel allocation is solved by adopting reinforcement learning, so that efficient channel resource allocation of the LEO satellite system is realized.

The invention provides a channel resource distributing method in the wireless communication system when the terminal originally switches in, which can distribute suitable channel resource for the terminal, and thus decreasing the mutual disturbance among terminals. According to the method that is provided by the invention, when RNC decides that the terminal switches from non-private channel condition to private condition, Node B can test and get effective direction of arrival information and synchronal timing advanced quantity information, and send the information to RNC through the RACH frame. RNC can confirm the position of the terminal according to the effective direction of arrival information and synchronal timing advanced quantity information, and also collocate suitable channel resource for the terminal at the angle through the terminal to the base station. In this way, the effect of original distribution of private channel resource is effectively improved, and the mutual disturbance between the user in the subdistrict and the subdistrict is decreased.

The invention discloses a D2D-based multi-access edge computing task unloading method in an Internet of Vehicles environment. According to the method, a task unloading strategy, transmitting power anda channel resource allocation mode are modeled into a mixed integer nonlinear programming problem, and the optimization problem is maximization of the sum of time delay and energy consumption benefits of all terminal CUE in cellular communication with a base station in an Internet of Vehicles system. According to the method, the time complexity is low, the channel resources of the Internet of Vehicles system can be effectively utilized, the time delay reliability of the terminal DUE performing local V2V data exchange in a D2D communication mode is ensured, meanwhile, the time delay and energyconsumption of the CUE are close to the minimum, and the requirements for low time delay and high reliability of the Internet of Vehicles are met. Verification is carried out by building a simulationplatform, the total time delay and energy consumption of the CUE are approximately minimized, and the method has performance advantages compared with a traditional task unloading method.

This invention discloses a channel resource allocation method in TDM-CDMA multi carrier system, which comprises following steps mainly: a. deciding whether the being allotted channel is shaped-beam channel, if yes, executing step b; or else, executing step c; b. allotting the shaped-beam channel to main carrier time slot, auxiliary carrier time slot or other time slots; c. allotting the channel to main carrier time slot or other time slot in auxiliary carrier. The invention can solve the problem that auxiliary carrier capacity reduces by TSO.

The invention relates to a network selection and channel resource configuration method in a hybrid wireless network, which comprises the following steps: a base station to which each network belongs counts channel quantity and conditions per se, and broadcasts the channel quantity and the conditions to a mobile user in the base station; the mobile user selects a proper base station for accessing according to the estimation per se, and each base station counts access conditions and broadcasts user load conditions; the process is repeated until reaching a balance state, subsequently, inside of each base station is subjected to channel resource allocation; the base station broadcasts channel quantity information, each user returns self selected and accessed channel number; the base station counts channel selection states and broadcasts channel load conditions; and the process is repeated until reaching the balance state, and finally resource allocation in the base stations and network selection of the users are realized. The method disclosed by the invention is suitable for a 4G hybrid wireless network environment with a plurality of frequency spectrum owners, is dispersedly executed and has low complexity; and signaling overhead is saved, information interaction does not need among the channel owners, and information interaction does not need among the mobile users.

The invention relates to a satellite communication channel resource allocation method. The allocation method includes the steps of acquiring required channel resources of a communication link between a satellite and an earth station; acquiring maximum communicable channel resources of the communication link, the maximum communicable channel resources being channel resources when the signal strength received by the earth station is a demodulation threshold; acquiring idle channel resources of the communication link; and when the required channel resources are less than or equal to the maximum communicable communication channel resources, allocating the required channel resources from the idle channel resources to the communication link. By synthetically analyzing a size relationship among the maximum communicable channel resources, idle channel resources and the required channel resources of the current communication link and selecting an appropriate allocation strategy to allocate the resources, the allocation method can ensure the effectiveness of the channel resource allocation, avoid the problem of successful channel resource allocation but communication failure, and improve the efficiency of resource allocation and system reliability and practicability.

The invention provides a resource allocation method and device and a base station. The resource allocation method comprises that when a first type of channel resources allocated to a first terminal and a second type of channel resource allocation to a second terminal satisfy a specified condition, delay processing is performed on a time domain location of a first resource in the second type of channel resources. According to the invention, a problem in the related art that a conflict occurs between channel resources allocated to different terminals is solved, so that the conflict between channel resources is avoided, and the communication efficiency is improved.

The invention discloses a D2D resource allocation method based on uplink and downlink spectrum joint multiplexing, and belongs to the technical field of wireless communication. The method comprises the following steps: firstly, modeling D2D channel allocation variables and related constraint conditions; modeling the transmission rates of the D2D user and the cellular user in the multiplexing moderespectively, and constructing a D2D resource allocation problem into a mixed integer nonlinear programming problem phi by taking maximization of the throughput of the D2D network as a target; decomposing the problem phi into a power allocation problem phi 1 and a channel allocation problem phi 2; converting a problem phi 1 into a convex optimization problem by utilizing a Lagrange duality theory;and substituting the solution of the problem phi 1 into phi to obtain a problem phi 2, converting the problem phi 2 into a bipartite graph maximum weight matching problem, and then solving by utilizing a Hopcroft-Karp algorithm until optimal channel resource allocation of all D2D users is realized, thereby realizing maximization of D2D network throughput.

The invention relates to a channel resource allocation method for a reticular satellite communication system, which has the main idea that a management terminal station receives the service request information of a terminal station, whether the terminal station is distributed with the carrier wave channel or not is judged according to the carrier wave channel marks in the request information, and then, the carrier wave channels are allocated to the terminal station which are not allocated with the carrier wave channels; the management terminal station carries out resource allocation in each carrier wave channel, and the resource allocation is directly carried out when the current carrier wave channel is greater than or equal to the request band width of the terminal station in the channel resource allocation process; and the terminal station is regulated into other carrier wave channels with the most band width resources for carrying out the channel resource allocation according to requirements when the available band width of the current carrier wave channel is smaller than the request width of the terminal station. In the method, as the mode of allocating the carrier wave channel marks, the carrier wave channel regulation and the signal resources according to the requirements is adopted, the system channel resources can be utilized to a furthest degree during the channel resource allocation of the reticular satellite communication system, and the resource utilization rate of the system and the reliability of the system are improved.

The invention discloses a full duplex D2D interference management method based on power control. In a single honeycomb cell, there is a scene in which a plurality of FD-D2D users and CU users exist, and a single FD-D2D user multiplexes uplink channel resources of a single CU user. Considering the problems of same frequency interference generated by multiplexing and how to select the to-be-multiplexed CU by the FD-D2D users, power control and channel resource allocation are performed in a distributed manner, the transmitting power of the FD-D2D users is managed by the power control to maximizethe transmitting power while achieving the interference limitation of the multiplexed CU users at first; and the channel resource allocation is performed by a greedy search algorithm to find channel resources satisfying the predetermined standard for multiplexing so as to maximize the volume of the system. By adoption of the full duplex D2D interference management method, the anti-interference ability of the full duplex D2D can be improved, and the throughput of the network service required by the QoS is further improved.

The invention provides a shared channel resource allocation method based on a space division multiplexing address (SDMA) technology, which comprises the following steps of: 102, assigning a plurality of user terminals to different independent physical spaces to acquire the independent physical space assignment information of the plurality of user terminals, and performing time-domain scheduling on the plurality of user terminals to determine a priority of the plurality of user terminals; 104, determining the user terminals subjected to the time-domain scheduling in each independent physical space according to the independent physical space assignment information, the priority and the number of shared channel resources; and 106, allocating the shared channel resources to the user terminals. Besides, the invention further provides a shared channel resource allocation system based on the SDMA technology. According to the shared channel resource allocation method based on the SDMA technology and the shared channel resource allocation system based on the SDMA technology provided by the invention, the data transmission performance of users is guaranteed effectively, and the quality of service (QoS) of the users in the system and fairness among the users can be guaranteed more effectively.

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.

The invention relates to a time-slot code channel resource allocation technology which belongs to the technical field of mobile communication. The invention provides a method, a device and equipment for time-slot code channel resource allocation, which are used for reducing the variance ratio of the time-slot code channel resource quantity allocated to a UE. The method comprises the following steps: the quantity of the schedulable UE in the dispatching cycle is determined;, when being available in the current dispatching cycle, the time-slot code channel resources allocated by the schedulable UE in the previous dispatching cycle are determined as the time-slot code channel resources allocated by the schedulable UE when the quantity of the schedulable UE is smaller than or equal to the set value; and when the quantity of the schedulable UE is larger than the set value, AMC time slots and AMC code channels corresponding to the schedulable UE are calculated, and when the fact that a residual assignable code channel exists in each AMC time slot which corresponds to the schedulable UE is determined, the time-slot code channel resources allocated for the UE are AMC time slots, AMC code channels and residual assignable code channels.

Disclosed in the present invention are a method, an apparatus and a system for channel access. Through simplifying the monitoring process for an STA (station), the satisfaction of time synchronization when a plurality of STAs access channels can be supported so as to avoid signal interference between adjacent frequency bands. The method comprises: monitoring the channel state of a channel by a station (STA), the channel including at least two sub-channels; in the case of monitoring the channel at an idle state, sending an access request frame to an access point (AP) through at least one sub-channel of the channel; if receiving an access response frame fed back by the AP, and the access response frame including identification information and channel resource allocation information of the station, then the channel access is successful; and the identification information and channel resource allocation information of the station is used to indicate that the AP allocates channel resources for data transmission to the station.