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41results about How to "Increase transmission opportunities" patented technology

Sounding reference signal transmitting method and device, sounding reference signal receiving method and device, UE and base station

InactiveCN107294686AEasy transferSolve the problem of low transmission opportunitiesSignal allocationConnection managementSounding reference signalCarrier signal
The invention discloses a sounding reference signal transmitting method and device, a sounding reference signal receiving method and device, UE and a base station. The sounding reference signal transmitting method comprises the steps of determining a resource used for transmitting sounding reference signals (SRS) on an unlicensed carrier; and transmitting the SRS according to the determined resource. According to the invention, a problem of little transmission opportunity for transmitting the SRS on the unlicensed carrier in related technologies is solved, and thus the effect of improving the opportunity for transmitting the SRS on the unlicensed carrier is achieved.
Owner:ZTE CORP

Mobile communications system, radio base station, scheduling apparatus, scheduling method employed in the same, and program therefor

The present invention provides a radio base station which can equally assign a transmission opportunity based on the radio channel quality. A mobile station selection unit issues a request for a metric notification to a metric notification unit corresponding to a mobile station notified by a data flow control unit, and receives metrics. The metric notification unit periodically receives radio channel quality information from a channel quality notification unit of an uplink signal analysis unit, obtains through a rank calculation unit the rank at the time when the channel quality is preferably arranged in a channel quality buffer according to the radio channel quality information, and notifies the mobile station selection unit of the result as metrics. The mobile station selection unit selects a mobile station having the smallest metrics notified by the metric notification unit, assigns radio resources to the mobile station, and notifies the data flow control unit of the assignment.
Owner:NEC CORP

Radio station, transmitting station, and frequency band sharing method

The invention has a step where a transmitting station in a second radio communication system determines whether transmission of a second radio communication system signal using a shared frequency band is possible or not based on load information of a first radio communication system broadcast from a base station in the first radio communication system, a step where the transmitting station in the second radio communication system calculates predicted interference power caused in a receiving station in the first radio communication system by the second radio communication system signal transmitted using the shared frequency band, and a step where the base station in the first radio communication system increases an allowable interference level of a first radio communication system signal transmitted using the shared frequency band based on the predicted interference power broadcast from the transmitting station in the second radio communication system.
Owner:NTT DOCOMO INC

Method for combination of multichannel MAC protocol and TDMA in IOV

The invention discloses a method for combination of a multichannel MAC (Media Access Control) protocol and TDMA (Time Division Media Access) in IOV (Internet of Vehicles), which overcomes the problems of low time slot utilization rate of a control channel CCH and a service channel SCH and high expense of channels in the prior art. The specific thought of the method is as follows: firstly , setting channel initialization; then, by a roadside unit RSU, negotiating time slot with a node, updating the time slot length of the control channel CCH based on a feedback condition of the node, and maintaining time slot distribution of two channel lists; and finally switching to the service channel SCH for data transmission. According to the method for combination of the multichannel MAC protocol and the TDMA in the IOV, as the roadside unit RSU controls the time slot length of the control channel CCH and the time slot distribution, the problems of low utilization rate of the channel and high channel expense under the condition of a varying vehicle density can be avoided efficiently, the throughput of the channel is increased , and the channel expense is reduced.
Owner:XIDIAN UNIV

Signal transmission method and device and user equipment

The invention provides a signal transmission method and device and user equipment. The signal transmission method comprises the steps of determining a time-domain symbol position or a candidate time-domain symbol position used for transmitting a sounding reference signal (SRS) on an unlicensed carrier according to a predetermined corresponding relation between the number of symbols and the time-domain symbol position or the candidate time-domain symbol position; and transmitting the SRS at the determined time-domain symbol position or the candidate time-domain symbol position. According to the invention, a problem of how to improve the transmission opportunity of the SRS in the related art can be solved, and an effect of effectively improving the transmission opportunity of the SRS is achieved.
Owner:ZTE CORP

LTE unlicensed frequency band network LAA and WiFi coexistence method and system

The invention provides an LTE unlicensed band network LAA and WiFi coexistence method and coexistence system, and provides a power-based LAA and WiFi coexistence method and coexistence system, which are used for overcoming the problem that the LAA and WiFi coexistence network capacity cannot meet the communication requirement. The LAA and WiFi coexistence method includes that Firstly, the channelstate is judged; when no idle channel exists, the LAA sends SR signaling to the central controller, the central controller collects, gathers and processes channel information between the LAA and theWiFi AC, controls the weight to be redistributed and transferred to achieve load balancing, and the LAA BS is'started 'in the channel balancing process to conduct data transmission in a power multiplexing mode. According to the invention, information of different users is transmitted through different powers on the same channel at the same time aiming at an LAA'opening 'time period, and the different powers are distributed to the different users, so that coexistence of a heterogeneous network is realized, the network performance is improved with relatively low complexity, the LAA system throughput and transmission efficiency are improved, and the spectrum utilization rate is improved.
Owner:BEIJING JIAOTONG UNIV

Wireless communication apparatus and wireless communication method

ActiveUS20160174165A1Suppress interferencePreventing reduction of transmission opportunityPower managementNetwork topologiesFar distanceInformation transfer
To suitably perform information transfer, while suppressing interference to other terminal stations, and preventing a reduction of a transmission opportunity of other terminal stations.A terminal station estimates a distance of another terminal station (within a receivable range), from an MCS or RSSI, for example, and controls a transmission power of itself, in accordance with a value weighted with respect to distance. For example, in the case where it is estimated that a number of terminal stations with a far distance has increased, from the value weighted with respect to distance, a transmission power of itself is lowered. As a result of this, transmission by multi-hop is explicitly performed, and it is possible to suppress electric wave interference of a multi-hop destination.
Owner:SONY CORP

Information transmission indication method, network equipment and terminal

The invention provides an information transmission indication method, network equipment and a terminal, and relates to the technical field of communication. The information transmission indication method is applied to network equipment and comprises the steps that configuration information of target information is sent through a physical broadcast channel PBCH, wherein the configuration information comprises indication information of at least one resource for receiving the target information, the target information comprises a first synchronization signal block SSB and / or residual minimum system information RMSI, and the at least one resource comprises a spectrum resource of a preset bandwidth. According to the scheme, an indication for the receiving of at least one resource of SSB and / orRMSI is provided for a terminal, so as to increase the transmission opportunity of the SSB and / or the RMSI, avoid the problem that a user cannot quickly obtain the SSB and / or the RMSI due to the factthat network equipment cannot obtain the channel transmission opportunity and cannot transmit the SSB and / or the RMSI, and guarantee the effectiveness of network communication.
Owner:VIVO MOBILE COMM CO LTD

Method for determining resource distribution priority and device thereof

The invention discloses a method for determining a resource distribution priority and a device thereof. The method comprises the following steps: obtaining an objective transmission time-delay value of an accepted real-time service in the current resource distribution time interval; judging whether the actual transmission time-delay value of the real-time service in the current resource distribution time interval is more than the obtained objective transmission time-delay value; if yes, determining an adjustment parameter for adjusting the resource distribution priority of the real-time service based on the actual transmission time-delay value and the objective transmission time-delay value of the real-time service; and adjusting the resource distribution priority of the real-time service based on the determined adjustment parameter. By adopting the technical scheme, larger transmission opportunity can be given to the real-time service with better channel condition.
Owner:CHINA MOBILE COMM GRP CO LTD

Method for selecting and grouping users in multi-antenna system, and communication device

ActiveCN102196369AIncrease transmission opportunitiesImprove system throughput and spectral efficiencyBroadcast service distributionMulti antennaUser group
The invention relates to the technical field of communication, and provides a method for selecting and grouping users in a multi-antenna system. The method comprises the following steps of: receiving access link channel state information by a control node, wherein the access link channel state information is transmitted by at least two users; determining scheduling priorities of at least two users according to the access link channel state information, and selecting the user with the highest scheduling priority as a reference user in a user group; determining a spatial character value between the reference user and the user of the at least two users except for the reference user; determining a grouping function value of the user of the at least two users except for the reference user according to the spatial character value and the scheduling priority of the user of the at least two users except for the reference user; and determining the group of the user according to the grouping function value of the user of the at least two users except for the reference user. According to the scheme provided by the embodiment of the invention, channel orthogonality and throughput among users are fully considered, transmission chance of the users is improved, and system throughput and spectrum efficiency are greatly promoted.
Owner:HUAWEI TECH CO LTD +1

Method and device in user equipment and base station used for wireless communication

The invention discloses a method and a device in user equipment and a base station used for wireless communication. The user equipment monitors the first type of wireless signals in a first time-frequency resource pool and a second time-frequency resource pool respectively; wherein the first time resource pool and the second time resource pool are located in a first sub-band and a second sub-bandrespectively; wherein the first time-frequency resource pool comprises Q1 first time-frequency resource sub-pools; wherein the Q1 first time-frequency resource sub-pools are in one-to-one correspondence with Q1 second time-frequency resource sub-pools, and whether any first time-frequency resource sub-pool in the Q1 first time-frequency resource sub-pools is occupied or not is used for determiningwhether the second time-frequency resource sub-pool comprises a corresponding second time-frequency resource sub-pool or not. According to the method and the device, the user equipment is designed tomonitor the first type of wireless signals on the plurality of sub-bands, and the monitoring mode is determined according to whether the resources are occupied or not, so that the signal performanceperiodically sent on the unlicensed spectrum is improved.
Owner:SHANGHAI LANGBO COMM TECH CO LTD

Method and device for updating or modifying NAV (network allocation vector)

The invention discloses a method and device for updating or modifying a NAV (network allocation vector), and relates to the field of information, and the transmission opportunity of SR (spatial reuse) data can be improved. The method comprises the following steps: a node of a first link firstly monitors physical layer convergence process protocol data unit PPDU for node sending in an overlay basic service set OBSS, wherein the node in the OBSS comprises a sending end node of a second link and a receiving end node of the second link, wherein the first link is a spatial reuse link, and the second link is the link in communicating; and then the network allocation vector NAV is updated or modified according to the PPDU, and / or the receiving power of the PPDU. The method disclosed by the invention is suitable for the NAV updating or modification through the sending end node of the SR link and the receiving end node of the SR link.
Owner:HUAWEI TECH CO LTD

Method and apparatus for transmitting duplicated mac pdu in wireless communication system

A method for transmitting a medium access control (MAC) protocol data unit (PDU) by a user equipment (UE) in a wireless communication system is disclosed. The method comprises steps of receiving information about a first grant and a second grant; generating the MAC PDU for the first grant; storing the MAC PDU in a first Hybrid automatic repeat request (HARQ) buffer associated with the first grant and a second HARQ buffer associated with the second grant; performing listen before talk (LBT) procedure for the first grant and the second grant; and transmitting the MAC PDU on a grant for which the LBT succeeds firstly among the first grant and the second grant.
Owner:LG ELECTRONICS INC

Wireless communication system and wireless communication method

A format that includes a BSSID of a transmitting station within a preamble of the frame is an HE format, and a format that does not include a BSSID within the preamble but includes a BSSID in a MAC header is a Non-HE format; and a wireless station in the BSS includes a control part which checks a format of a frame received at a predetermined receiver sensitivity or above, and continues demodulation of the received frame if the format is HE format and the BSSID in the received frame is consistent with its own BSS, and stops the demodulation of the received frame if the HE format and the BSSID in the received frame is not consistent with its own BSS.
Owner:NIPPON TELEGRAPH & TELEPHONE CORP

Wireless communication control method, wireless communication system, and management server

Provided is a wireless communication control method, in which a management server manages line selection of an unlicensed band / licensed band of a UE and manages parameters of the unlicensed band, including a control step of excluding the UE that uses the licensed band from an optimization target in an unlicensed band system and optimizing the parameters of the unlicensed band in consideration of existence of an STA and the UE that uses the unlicensed band, which is caused by the management server. Furthermore, a pattern when a total of a communication capacity in the unlicensed band and a communication capacity in the licensed band after the optimization of the parameters of the unlicensed band becomes high is adopted for the line selection of the UE, and the parameters of the unlicensed band after the optimization of the line selection are set for an AP, the STA, and the UE of the unlicensed band.
Owner:NIPPON TELEGRAPH & TELEPHONE CORP

Method and device for wireless communication in a first node and base station

The disclosure provides a method and a device in a User Equipment (UE) and base station for wireless communication. In one embodiment, the user equipment performs a first listening in a first time domain resource of a first frequency domain resource, transmits a second wireless signal in a second time domain resource of the first frequency domain resource, performs a first supplementary listening in a third time domain resource of the first frequency domain resource, and transmits a first wireless signal in a fourth time domain resource of the first frequency domain resource; wherein the first supplementary listening includes decrementing a first counter based on the first listening. This disclosure can increase the transmission opportunity, thereby improving transmission efficiency and spectrum utilization.
Owner:HONOR DEVICE CO LTD

Radio station, transmitting station, and frequency band sharing method

The invention has a step where a transmitting station in a second radio communication system determines whether transmission of a second radio communication system signal using a shared frequency band is possible or not based on load information of a first radio communication system broadcast from a base station in the first radio communication system, a step where the transmitting station in the second radio communication system calculates predicted interference power caused in a receiving station in the first radio communication system by the second radio communication system signal transmitted using the shared frequency band, and a step where the base station in the first radio communication system increases an allowable interference level of a first radio communication system signal transmitted using the shared frequency band based on the predicted interference power broadcast from the transmitting station in the second radio communication system.
Owner:NTT DOCOMO INC

Method for transmitting data, method for HARQ-ACK transmission method for transmitting OFDM symbol, base station, UE, and computer medium

The invention provides a method for data transmission. The method comprises the following steps: sending information of frequency domain resources of at least one sub-band for executing carrier monitoring to UE; performing carrier monitoring on the at least one sub-band; allocating idle resources in one or more sub-frequency bands to the UE; and transmitting control information indicating the resources allocated to the UE to the UE. The invention also provides a method for HARQ-ACK transmission, a method for transmitting OFDM symbols, a corresponding base station, UE and a computer readable medium.
Owner:BEIJING SAMSUNG TELECOM R&D CENT +1

Method and apparatus in node used for wireless communication

The invention discloses a method and an apparatus in a node used for wireless communication. The method comprises the steps that: the first node receives the first signaling and the second signaling; a first channel sensing operation is performed on the first sub-band; and a first wireless signal is sent in the first time-frequency resource group of the first sub-band, or it is abandoned to send the first wireless signal in the first time-frequency resource group of the first sub-band, wherein the first signaling is used for determining a first reference signal resource group, and the first signaling is non-unicast; the second signaling indicates a second reference signal resource group, when the first time-frequency resource group belongs to a first time window in the time domain, the first reference signal resource group and the second reference signal resource group are jointly used for determining the type of the first channel sensing operation from a first candidate type set. Through the method provided by the invention, the type of the channel sensing operation can be determined according to the spatial parameters of the wireless signal, thereby facilitating increasing the transmission opportunity and reducing the overhead.
Owner:SHANGHAI LANGBO COMM TECH CO LTD

Information transmission method, terminal equipment and network equipment

The embodiment of the invention provides an information transmission method, terminal equipment and network equipment. The method comprises the steps that terminal equipment receives first indicationinformation sent by network equipment and determines a target comb tooth group from a current candidate set according to the first indication information; furthermore, the information is sent to the network equipment through a target comb tooth group, wherein the current candidate set comprises a first candidate set, the first candidate set comprises at least two first comb tooth groups, each first comb tooth group comprises at least one first comb tooth, and each first comb tooth comprises one RB in each first RBG in at least two first RBGs in a first bandwidth. Therefore, the method not onlycan be suitable for information transmission of different bandwidths, but also can improve the transmitting power of the information through a comb-tooth-shaped resource allocation mode, thereby improving the transmission opportunity and transmission performance of the information.
Owner:HUAWEI TECH CO LTD

Method and device used in user equipment and base station for wireless communication

The invention discloses a method and a device in user equipment and a base station used for wireless communication. The user equipment receives a first broadcast signal on the first sub-band, and receives a second broadcast signal on a second sub-band; the first broadcast signal comprises a first type of synchronization signal and a first type of information block; a third broadcast signal transmitted on the second sub-band comprises a first type of synchronization signal and a first type of information block; only the first type information block included in the first broadcast signal in the first type information block included in the first broadcast signal and the first type information block included in the third broadcast signal is applied to the second broadcast signal. According to the application, the second broadcast signal is transmitted on the second sub-band through the design, and transmission of part of broadcast signals corresponding to one frequency band on the other frequency band is realized, so that the flexibility of broadcast signal transmission is improved, and the overall performance of the system is improved.
Owner:SHANGHAI LANGBO COMM TECH CO LTD

Sounding reference signal sending method and device, sounding reference signal receiving method and device, UE and base station

ActiveCN111740812AEasy transferSolve the problem of low transmission opportunitiesSignal allocationConnection managementSounding reference signalCarrier signal
The invention discloses sounding reference signal sending and receiving methods and devices, UE and a base station, and the sending method comprises the steps: determining a resource for sending a sounding reference signal SRS on an unlicensed carrier; and sending the SRS according to the determined resource, thereby solving the problem of less transmission opportunities of transmitting the SRS onthe unlicensed carrier in related technologies, and further achieving the effect of improving the transmission opportunities of transmitting the SRS on the unlicensed carrier.
Owner:ZTE CORP

Method and apparatus in node used for wireless communication

The invention discloses a method and an apparatus in a node used for wireless communication. The node sends a first signal, a first reference signal and a second reference signal on a first channel; the small-scale fading channel parameter experienced by the second reference signal is used for deducing the small-scale fading channel parameter experienced by the first signal; the first reference signal is associated to at least one antenna port of the second reference signal, a first modulation coding scheme is used for determining the density of the first reference signal in a time domain, and the first modulation coding scheme is different from a modulation coding scheme of the first signal. According to the method and the device, the reference modulation coding mode of the phase tracking reference signal during resource mapping is decorrelated with the modulation coding mode adopted by the data, so that the mapping of the uplink transmission phase tracking reference signal based on non-scheduling is more easily obtained by the base station side, and the overall performance of the system is further improved.
Owner:SHANGHAI LANGBO COMM TECH CO LTD

Method and device for wireless communication in a first node and base station

The disclosure provides a method and a device in a User Equipment (UE) and base station for wireless communication. In one embodiment, the user equipment performs a first listening in a first time domain resource of a first frequency domain resource, transmits a second wireless signal in a second time domain resource of the first frequency domain resource, performs a first supplementary listening in a third time domain resource of the first frequency domain resource, and transmits a first wireless signal in a fourth time domain resource of the first frequency domain resource; wherein the first supplementary listening includes decrementing a first counter based on the first listening. This disclosure can increase the transmission opportunity, thereby improving transmission efficiency and spectrum utilization.
Owner:HONOR DEVICE CO LTD

Communication method and device based on physical direct communication data channel, and storage medium

The invention relates to a communication method and device of a physical direct communication data channel and a storage medium. The communication method based on the physical direct communication data channel is applied to a terminal and comprises the steps that the physical direct communication data channel is determined, and the physical direct communication data channel comprises a plurality of sending starting positions of direct communication signals; the direct communication signals are transmitted on the unlicensed frequency band based on the plurality of transmission starting positions. According to the present disclosure, based on the plurality of start sending positions, the direct communication signals are sent on the unlicensed frequency band, so that the transmission opportunity that a physical direct connection communication data channel can be performed after LBT succeeds can be increased.
Owner:BEIJING XIAOMI MOBILE SOFTWARE CO LTD

Wireless communication system and wireless communication method

A format that includes a BSSID of a transmitting station within a preamble of the frame is an HE format, and a format that does not include a BSSID within the preamble but includes a BSSID in a MAC header is a Non-HE format; and a wireless station in the BSS includes a control part which checks a format of a frame received at a predetermined receiver sensitivity or above, and continues demodulation of the received frame if the format is HE format and the BSSID in the received frame is consistent with its own BSS, and stops the demodulation of the received frame if the HE format and the BSSID in the received frame is not consistent with its own BSS.
Owner:NIPPON TELEGRAPH & TELEPHONE CORP

Method and device used in user equipment and base station for wireless communication

The present application discloses a method and a device used in a wireless communication user equipment and a base station. The user equipment monitors the first type of wireless signal in the first time-frequency resource pool and the second time-frequency resource pool respectively; the first time resource pool and the second time resource pool are respectively located in the first sub-frequency band and the second time-frequency resource pool sub-band; the first time-frequency resource pool includes Q1 first time-frequency resource subpools, and the Q1 first time-frequency resource subpools are in one-to-one correspondence with Q1 second time-frequency resource subpools, and the Q1 Whether any first time-frequency resource subpool in the first time-frequency resource subpools is occupied is used to determine whether the second time-frequency resource pool includes a corresponding second time-frequency resource subpool. The present application designs the user equipment to monitor the first type of wireless signal on multiple sub-bands, and determines the monitoring method according to whether the resource is occupied, thereby improving the performance of the signal periodically sent on the unlicensed spectrum.
Owner:HONOR DEVICE CO LTD
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