576 results about "Wireless resource allocation" patented technology

An uplink capacity is increased by a method in which more than two mobile stations simultaneously use a radio resource allocated to one mobile station. A method of allocating a radio resource in an orthogonal frequency division multiplexing system comprises receiving data associated with a radio resource allocation map from a base station, wherein the radio allocation map comprises control parameters for transmitting uplink data to the base station. The control parameters comprises orthogonal pilot pattern indicator for using orthogonal pilot patterns associated with supporting at least concurrent dual transmission by at least one mobile station, and for use in the same frequency band and same time duration. The orthogonal pilot patterns comprises at least a minus pilot being used for an uplink basic allocation unit. The mobile station then transmits uplink data to the base station by using the orthogonal pilot patterns.

The invention discloses a joint optimization method for task unloading and resource allocation in a mobile edge computing network, which comprises the following steps of 1, establishing an OFDMA (Orthogonal Frequency Division Multiple Access)-based multi-MEC (Mobile Edge Computing) base station and a multi-user scene model, wherein the MEC base station supports the multi-user access; 2, introducing an unloading decision mechanism; Meanwhile, constructing a local calculation model and a remote calculation model, selecting a user needing to perform calculation unloading, and establishing a calculation task unloading and resource allocation scheme based on minimum energy consumption under the condition of meeting the time delay constraint according to the conditions; 3, carrying out variablefusion on three mutually constrained optimization variables, namely an unloading decision variable, a wireless resource distribution variable and a computing resource distribution variable, so as to simplify the problem; and 4, obtaining an unloading decision and a resource allocation result which enable the total energy consumption of the user in the MEC system to be minimum through a branch andbound algorithm. The method has the advantage that the energy consumption of the system can be effectively reduced on the premise that strict time delay limitation is guaranteed.

The invention discloses a method, a device and a system for realizing D2D (device to device) data transmission in the cellular network. A method for allocating resources includes that a base station receives a data transmission request transmitted by first user equipment UE, and the first UE and second UE has set up D2D communication connection; wireless resources are allocated to data transmission between the first UE and the second UE according to the received data transmission request, and wireless resource allocation results are transmitted to the first UE and/or the second UE. The method for realizing data transmission includes that the first UE transmits a data transmission request to the base station, the first UE and the second UE receives wireless resource allocation results fed back by the base station; the first UE transmits data to the second UE by the wireless resources allocated by the base station, and the second UE receives data transmitted by the first UE by utilizing the wireless resources allocated by the base station. The method realizes D2D data transmission in the cellular network.

The invention provides a resource allocation method for multicarrier system, which comprises: network side carries out an admission control judge to users according to the resource condition in cell, and allocates wireless resources according to the reported access capacity for the successive admission user and informs the terminal to carry out chain establishment operation through channel configuration command. The technical scheme in the invention fully considers the compatibility to all types of terminals, solves the problem of the reduction of network access ratio and capacity exists in current technology caused by that user terminal does not support the wireless resource allocation scheme when the network side allocates resources to user terminals. The execution of the invention can reduce lost call rate efficiently, and improves the network quality and the revenue of operators.

The subscriber station of claim 15, wherein the uplink data includes data to be transmitted, and a header having information on the data and the subscriber, and the uplink data generator adds the subheader includDisclosed is a method and device for requesting and reporting channel quality information in a mobile communication system. An uplink radio resource for a subscriber station having data to transmit is allocated and a CQI indicator for requesting channel quality information is added to the allocation information to be transmitted to a subscriber station. The subscriber station having received the uplink radio resource allocation information generates channel quality information by measuring the radio channel quality for communication with the base station according to existence of the indicator and transmits desired uplink data having the generated channel quality information to the base station. As a result, the seamless and efficient channel quality report can be performed in the wireless communication system, and the optical modulation and the channel coding level can be adapted for the subscriber to transmit or receive the data corresponding to the channel quality. ing the channel quality information to the header of the uplink data.

A method of allocating a radio resource for a relay station in a wireless communication system is disclosed. The method comprise allocating a relay zone to the relay station in a subframe and transmitting a relay control channel to the relay station by using the relay zone, wherein the subframe comprises a plurality of orthogonal frequency division multiplexing (OFDM) symbols in a time domain and a plurality of subcarriers in a frequency domain, wherein the subframe is divided into a user zone used by a user equipment in a cell and the relay zone used by the relay station, and wherein the relay zone comprises some of the plurality of subcarriers. According to the present invention, a subframe structure provides backward compatibility with a legacy wireless communication system. A relay station can effectively find a radio resource allocated to the relay station, thereby decreasing a decoding time.

The present invention relates to a wireless communication system and a terminal providing a wireless communication service and to a method by which a base station and a terminal transmit and receive data in an evolved universal mobile telecommunications system (E-UMTS) evolved from universal mobile telecommunications system (UMTS) or a long term evolution (LTE) system, and more particularly, to a method whereby, in requesting allocation of radio resources by a user equipment (UE), which has been allocated continuous allocation radio resources, from a base station, the UE compares an allocation time point of continuous allocation radio resources and a start time point of a radio resource request procedure and effectively transmit a radio resource allocation request.

A system for allocating a wireless resource for a Space Division Multiple Access (SDMA) communication is provided. The system for allocating the wireless resource for the SDMA communication includes: a channel state recognition unit to recognize a channel state of wireless channels generated among adjacent nodes including a source node, a relay node, and a destination node; and a wireless resource allocation unit to control at least one of an amount of channel state information fed back from the destination node to the source node, and a relay level of a relay signal, the relay signal being generated by relaying a source signal transmitted from the source node, according to the channel state.

Embodiments of the invention relate to cellular wireless networks and are particularly suited to networks including different types of base stations. So-called femtocell types of base stations are typically deployed within a subscriber's premises and operate at low transmit power, providing a very limited area of wireless coverage. A femtocell is typically deployed within the area of wireless coverage of a conventional macrocell, occupying the same frequency spectrum and timeslots as the macrocell. A problem can be presented to a user equipment terminal that is close to the femtocell but unable to gain access to it, because the transmissions from the femtocell may appear as interference to the user equipment terminal, preventing it from accessing the macrocell which it could otherwise access. A cellular wireless network according to an embodiment of the invention employs a method of allocating radio resource to femtocells so that the transmissions from femtocells do not occupy the same radio resource blocks as those used by the macrocell for signalling; embodiments of the invention thereby prevent interference associated with signalling to cause a connection to be lost, or prevent a connection being set up.

Provided are a method and device for allocating wireless resources in a wireless communication system. The wireless resource allocating method comprises allocating a machine type communication (MTC)-dedicated wireless resource and a general wireless resource, and communicating with at least one MTC device through the MTC-dedicated wireless resource. Herein, the MTC-dedicated wireless resource supports only the communication with the at least one MTC device, and the MTC-dedicated wireless resource and the general wireless resource may be different from each other.

Provided are a method and apparatus for radio resource allocation. The radio resource allocation method for a base station may include: obtaining at least one of beamforming structure information and frame structure information; generating resource allocation information for a CSI-RS (channel state information reference signal) on the basis of at least one of the beamforming structure information and the frame structure information; and transmitting the resource allocation information. As a result, it is possible to efficiently perform resource allocation.

The invention relates to a method for determining Quality of Service information of a radio bearer configured in a mobile node and distributing scheduled radio resources to the radio bearer. Further, the invention also provides a base station and mobile node performing these methods, respectively. The invention suggests a scheme that allows for supporting an efficient Quality of Service over the lifetime of a connection, even upon handover of the mobile node between two radio cells. This is achieved by providing Quality of Service measurements upon handover, such as a provided bit rate of radio bearers configured for the mobile node, to the base station controlling the target radio cell, either by the source base station in the source radio cell or the mobile node.

In a wireless communication system for communicating with a plurality of stations at the same point of time with the same frequency using a Space Division Multiple Access (SDMA), wireless resources are allocated by a first decision unit which evaluates performance of each station obtained when the SDMA is used and which determines periods of time to be allocated to groups of stations formed according to the SDMA technique. Using a first evaluation unit and a second evaluation unit to evaluate performance required by each station and each application, the first decision unit allocates the wireless resources to the stations. It is therefore possible that the wireless resources are efficiently allocated to the stations while preventing an event in which the wireless resources are excessive or insufficient for required quality of service.

There is provided a method for allocating subframes in a radio communications system that performs communication by using a radio frame including a plurality of subframes, the method including: selecting a backhaul downlink subframe in which a base station is to transmit a signal to a relay station; and allocating the backhaul downlink subframe to a substitution subframe which is not limitation subframes, when the selected backhaul downlink subframe corresponds to one of the limitation subframes, wherein the limitation subframes are subframes in which the relay station is to transmit essential information to a relay user equipment. Therefore, it is possible to overcome a limitation that is present in a link between the base station and the relay station, perform an HARQ operation, and improve the efficiency of radio resource allocation.

A method allowing a terminal with data to be transmitted in an uplink direction to transmit a radio resource allocation request message to a base station by effectively using radio resource(s) to its maximum level is disclosed. In particular, the method allows the terminal to select a radio resource allocation request message of a proper format according to a situation of radio resource(s) or the amount of data of each channel and transmit the same to the base station.

Embodiments are described herein to provide an efficient, adaptive and distributed approach to wireless resource allocation that seeks to maximize system capacity and/or coverage on the reverse link. The general approach is for each cell (sector) base station to allocate (102) its mobile units to frequency subbands based on a local optimization objective. This objective takes into account the performance “costs” to the neighboring cells/sectors of transmissions by different mobile units in different subbands. An example of such an optimization objective can be the maximization of the “utility” of user transmission rates within the sector minus the cost of the transmissions to neighboring cells/sectors.

A method of performing a random access process in a wireless communication system includes transmitting a random access preamble, receiving a random access response including uplink radio resource allocation information for multiple transmission time intervals (TTIs) in response to the random access preamble, transmitting a radio resource control (RRC) connection request message according to the uplink radio resource allocation information, and transmitting a non-access stratum (NAS) service request message according to the uplink radio resource allocation information.

A session-adaptive radio resource allocation device and method for an EPS is provided. A resource allocation method for a wireless communication includes transmitting, at a Home evolved Node B (HeNB) received a downlink packet destined to a User Equipment (UE) in idle mode, a paging message including a local indicator to the UE; transmitting a service request message including the local indicator from the UE to a Mobility Management Entity (MME); transmitting a Initial Context Setup (ICS) message including an uplink Tunnel Endpoint Identifier (TEID) from the MME to the HeNB; and establishing a radio bearer for a local breakout session between the HeNB and UE and a radio bearer corresponding to an Evolved Packet System (EPS) bearer context of an internal Serving Gateway/Packet Data Network Gateway (SGW/PGW) of the HeNB using the TEID).

The invention provides an LTE-based radio resource allocation method of Internet of vehicles. The method comprises the following steps: step S1, dividing priority for node communications according to node communication service characteristics and interference of node to a base station; step S2, building a position division model, wherein the base station dispatches D2D users in sequence according to the priority and selects candidate resource share nodes according to distance and link loss factors; and step S3, selecting cellular user resources with smallest interference in a region where the candidate resource share nodes are located as cellular link resources for D2D communication multiplex. the number of nodes needed to be fed back to the base station in the invention is obviously smaller than that in optimal algorithm, thereby largely reducing the load of the base station; in addition, the operating time of the algorithm used in the invention is obviously shorter than that of the optimal algorithm, thereby effectively reducing processing delay.

A base station apparatus capable of communicating with user equipment terminals using an uplink shared channel includes a radio resource allocation unit configured to allocate radio resources other than a resource placed at an end of a system bandwidth, when the system bandwidth is frequency-adjacent to a heterogeneous radio communication system.

A method for establishing D2D multicast communication and allocating wireless source thereof in the IMT-A system is used for the data communicating service based on local sharing in the system. The multimedia multicast technology is introduced into the D2D technology for solving the high-speed data sharing request of one mobile terminal on multiple mobile terminals to realize the eNB-assisted D2MD communication under the IMT-A honeycomb network. The method comprises a control signaling interactive progress of the eNB and the D2MD group in the communication establishing process and a wireless source allocating progress of the eNB for the D2MD group. The method for establishing the D2D multicast communication and allocating wireless source thereof in the IMT-A system has the advantages of reducing the eNB load under the IMT-A, and greatly improving the spectral efficiency and throughput capacity of a cell as the D2MD can reuse the spectral source under the premise of not affecting the communication of honeycomb users. The wireless source allocating progress of the eNB for the D2MD comprises three steps of mode selecting, spectrum allocating and power controlling. The method aims at the applying requests of the D2MD users, ensures the QOS (quality of service) of all users as much as possible, is simple in operation, clear in algorithmic logic and low in complexity, and has better promoting and applying prospects.