53results about How to "Reduce the number of blind detections" patented technology

The invention discloses a method for detecting PDCCH in a carrier aggregation system. The method comprises the following steps that: a terminal detects the PDCCH which belongs to the terminal from one carrier in the carrier aggregation system, then determines position information of the detected PDCCH, and finally detects the PDCCH which belongs to the terminal from the carrier which corresponds to the position information. Due to the adoption of the method, the terminal does not need to blindly detect each carrier, so the number of blind detection is reduced. The invention also discloses a method and equipment for indicating the physical downlink control channel (PDCCH) in the carrier aggregation system, and the equipment and the system for detecting the PDCCH.

The present invention relates to a method of the transmitting and controlling signaling, comprising the following steps: the network distributes resource blocks for all user devices; the network sends the current information relative to the resource blocks on the public controlling channel and the network sends marks of the user device and other controlling signaling on other channels. Adopting the present invention can effectively reduce the times of the blind inspections of the user devices, thereby reducing the complexity for the user device receiving the controlling channels and reducing the probability of the occurring of the mistake inspections.

The invention provides a design and a test method for a descending control channel in an LTE-Advanced system, particularly a descending control channel assignment method for a base station and a descending control channel blind test method for user equipment. PDCCH index information is introduced to a general DCI format according to the invention, which is used for the blind test on basal carrierfrequency, the user equipment realizes the rapid effective blind test course through the PDCCH index information, and the frequency of the blind test and the required power consumption are effectively reduced.

The invention discloses a blind detection method, a user device blindly detects a control channel on a branch carrier in a first branch carrier set in a time transmission unit that needs to carry out control channel blind detection, wherein the first branch carrier set comprises a branch carrier selected from each type of branch carrier; and when the first branch carrier set includes at least one branch carrier which detects the control channel of the user device, the user device acquires control channel parameters of the control channel of the branch carrier which corresponds to the branch carrier that detects the control channel according to the control channel parameters and the control channel parameter mapping relation and carries out the blind detection on the control channel on the corresponding branch carrier according to the acquired control channel parameters. The invention simultaneously discloses blind detection device and system. The invention can realize the reduction of the blind detection frequency by narrowing the possible range of the blind detection.

The invention provides a blind detection method, which comprises the following steps: receiving a carrier which carries a physical downlink control channel (PDCCH), and acquiring a carrier indicator field (CIF) corresponding to the carrier from the carrier, wherein the CIF comprises three bits in all; determining the number N of downlink control information (DCI) needed to be detected according to the values of a second bit and a third bit of the acquired CIF; and carrying out blind detection, and ending the process of blind detection after N DCI is detected. With the adoption of the method provided by the invention, the error detection probability and the battery loss can be lowered.

The application discloses a beam selection method and equipment. The method comprises the following steps that: a terminal receives first beam configuration information transmitted by first network equipment, wherein the first beam configuration information is used for indicating a service beam, and the service beam is a downlink transmission beam on the side of the first network equipment configured by the first network equipment for the terminal; and the terminal receives downlink data transmitted by the first network equipment through the service beam. Therefore, after the first network equipment configures the service beam for the terminal, the first network equipment transmits downlink scheduling information and data to the terminal through the service beam, so that the terminal no longer needs to monitor scheduling information on other beams, thereby reducing the number of blind detection of the scheduling information and lowering the energy consumption of the terminal.

The invention discloses a scheduling information transmission method, user equipment and a base station. The method includes: generating random numbers corresponding to the user equipment according to preset rules; and when presence of the random numbers in pre-configured scheduling intervals is confirmed, subjecting control channels of the user equipment, in specific search space, to blind detection so as to obtain scheduling information of the user equipment. The user equipment comprises a generation module and a detection module. The base station comprises a generation module and a first transmitting module. Before detection or transmission of the control channels, whether the detection or transmission conditions are satisfied is determined, format of the control channels is determined and the position of the control channels is determined. Therefore, the times of blind detection of the control channels by the user equipment can be effectively reduced, electric quantity of the user equipment is reduced, energy consumption is lowered and user experience is improved further.

The invention provides a control information detection method, a control information sending method and equipment. The detection method comprises the following steps that terminal equipment determinesa first search space and a second search space, wherein the first search space is part of the second search space; the terminal equipment detects at least one first type of DCI in the first search space; and the terminal equipment detects at least one second type of DCI in the second search space, wherein the first type of DCI is used for scheduling data transmission with a first time length, thesecond type of DCI is used for scheduling data transmission with a second time length, and the first time length is smaller than the second time length. Through adoption of the method or the equipment in the embodiments of the invention, the search space of the data transmission with the low time delay requirement is small, and the blind detection frequency is small, so that the scheduling information can be quickly acquired, and the data processing speed is increased.

The invention discloses a channel resource indicating method. The method comprises the steps that the channel resource indicating information of an ePDCCH is obtained; the channel resource indicating information is transmitted to user equipment; the channel resource indicating information comprises resource indicating fields of y bits; the resource indicating fields are used for indicating the position of resources used by the ePDCCH; y is a positive integer. The invention further discloses a base station and the user equipment. The channel resource indicating method and device can reduce the cost of control commands used for indicating the ePDCCH, and the power consumption of the user equipment is saved.

The embodiment of the invention provides a method and system for acquiring a blind detection parameter, and related devices. The method comprises the following steps that: a communication signal or acommunication channel is detected to obtain a detection result; a blind detection parameter corresponding to the detection result is obtained, wherein the communication signal includes a wake-up signal or a sleep signal and the communication channel includes a wake-up channel or a sleep channel. Therefore, blind detection parameters can be flexibly obtained through the communication signal or thecommunication channel, so that the number of times of blind detection is reduced and the power consumption of the user terminal is saved.

The invention provides a communication method in a base station and a corresponding base station. The method comprises steps: the base station and the user equipment communicate on multiple service cells, and a search space sharing indicator is configured for multiple cells; the base station sends a physical downlink control channel PDCCH/an enhanced physical downlink control channel EPDCCH based on user equipment specific search space to the user equipment, wherein in a condition in which the user equipment is configured with a carrier indication field CIF or an enhanced carrier indication field ECIF and is configured with the shared search space, the position of a candidate bit of a control channel element CCE of the PDCCH/an enhanced control channel element ECCE of the EPDCCH which needs to be detected by each service cell configured to be the shared search space in the entire search space is decided by the cell identifier of another service cell configured to share the search space with the service cell. Correspondingly, the invention also provides a communication method in the user equipment and corresponding user equipment.

The invention relates to an uplink resource authorization method. The method includes the following steps that: a terminal receives configuration information from a network device, wherein the configuration information contains the information of first uplink resources and second uplink resources; and the terminal searches for a downlink control channel in a search space so as to obtain authorization information, the search space includes a first control channel candidate set when the downlink control channel carries the authorization information of a first (or second) uplink resource, and includes a second control channel candidate set when the downlink control channel carries the authorization information of the second (or first) uplink resource and/or the authorization information of downlink resources, wherein the first control channel candidate set and the second control channel candidate set are identical, or the first control channel candidate set deviates with respect to the second control channel candidate set, and the number of control channel candidates in the first control channel candidate set is smaller than the number of control channel candidates in the second control channel candidate set. According to the method, the search space is shared or the number of control channel candidates when the downlink control channel carries the authorization information of theuplink resources is reduced, and therefore, the number of the times of blind detection of the terminal can be decreased.

The application discloses a data receiving method that can be applied to Internet of Vehicles, for example, a V2X, LTE-V, V2V and the like. A first terminal device can receive first control information from a second terminal device, then receive second control information from the second terminal device according to the first control information, and further receive data sent by the second terminal device according to the first control information and the second control information. Therefore, the second control information and the data can be received by detecting the first control information with fewer blind detection times, so that the receiving efficiency of the second control information and the data is improved.

The invention discloses a method for indicating a mobile terminal to control channel information and a method for controlling channel blind detection. The method for controlling channel bland detection comprises the steps: ensuring a modulating method of a next time slot mobile terminal service channel by a node B; numbering a control channel unit CCE which corresponds to the mobile terminal service channel; numbering the corresponding control channel unit with the same modulating method of the mobile terminal service channel into the same continuous control channel unit range; indicating control channel unit ranges and corresponding modulating methods of the service channel; and carrying out the blind detection sequentially in the control channel unit ranges by the mobile terminal according to the indication. The method can decrease the blind detection time, the blind diction time and the control signaling overhead of the mobile terminal and reduce the treating processes and the power consumption of the mobile terminal.

Embodiments of the invention relate to an indication method, a base station and eMBB UE. The influence on the eMBB service performance of the eMBB UE can be avoided. The method includes sending a priority indication message to the eMBB UE, wherein the priority indication message is used for transmitting eMBB resources occupied by other services before indicating the eMBB UE.

The invention provides an information detection method, an information transmission method, an information processing method, an information receiving method, a terminal and network equipment. The detection method comprises the following steps of: detecting; under the condition that N pieces of downlink control information scheduled for the target service and in a preset format are detected, stopping detecting the downlink control information scheduled for the target service in the time unit, or stopping detecting the downlink control information scheduled for the target service in other preset formats in the time unit. According to the embodiments of the present invention, on one hand, by limiting the number and/or format of downlink control information detected by a terminal, the numberof blind detection times of the terminal in a time unit is reduced on the premise of not exceeding the maximum number of blind detection times supported by the terminal, so as to reduce the terminal complexity, improve the terminal processing time and reduce the terminal processing power consumption; and on the other hand, the embodiment of the invention allows the terminal to report the downlinkcontrol information detection capability information so as to assist the network equipment in judging the scheduling of the terminal and improve the performance of the terminal.

The embodiment of the invention provides a method, device and system for configuring search space, relates to the field of communication, and is used for realizing that a PDCCH carrying uplink and downlink ratio information can be normally sent, so that user equipment UE can timely obtain the uplink and downlink ratio information of a base station, thereby ensuring that the UE can complete data transmission according to the uplink and downlink ratio information and improving the user experience. The method comprises the following steps that: a base station configures a first sub-frame set, andsub-frames in the first sub-frame set are downlink sub-frames or special sub-frames; The base station configures a first common search space (CSS) on subframes in the first subframe set; And the basestation sends a physical layer downlink control channel (PDCCH) carrying uplink and downlink ratio information to user equipment (UE), the PDCCH being a PDCCH in the first CSS. The invention is suitable for the scene of transmitting the uplink and downlink ratio information.