91results about "Power management" patented technology

A radio communication apparatus includes a receiving section, a power supply section and a control section. The receiving section receives a radio signal when electric power is supplied, and the radio signal has a preamble field for storing a preamble pattern. The power supply section supplies the electrical power to the receiving section and stopping the supply of the electrical power in response to a supply stop signal. The control section generates the supply stop signal when presence of the preamble pattern can not be detected from the radio signal received by the receiving section, in a state in which a frame synchronization is established.

The present invention provides a method for handling scheduling information report in a user equipment (UE) of a wireless communication system. The method includes steps of triggering a Buffer Status Report (BSR), which is a Regular BSR, and a Power Headroom Report (PHR); and performing resource allocation when having uplink resource allocated for new transmission, wherein resource allocation priority of a MAC control element of the BSR is higher than that of the PHR.

A mobile communication system with a packet switching function which enables sharing of radio resources among mobile stations, wherein a mobile station which has generated a request for communication quality assurance periodically sends a packet for requesting preferential use of a radio channel in order to prevent timeout of the state transition timer, timeout of which would cancel radio channel assignment to the mobile station and bring it into a dormant state if a certain period elapses without transmission or reception of a signal, so that it can remain in the active state and hold the radio channel continuously. In addition, when the mobile station requesting communication quality assurance moves from one cell to another or requests radio channel assignment, the base station controller controls the radio base station so that the mobile station can be assigned a radio channel by sending a priority request packet.

A system and method for reducing sensor redundancy in sensor-equipped devices includes identifying, via a master device, at least one device within an area. The at least one device is queried to determine at least one of a device status or application status for the at least one device. A configuration of one or more sensors within the at least one device based at least in part on the querying is determined. The one or more sensors within the at least one device is configured to balance quality of service across the master device and the at least one device, based at least in part on the determining.

A radio link (RL) parameter updating method of a high speed downlink packet access (HSDPA) system in a mobile communication system is disclosed. According to a radio channel situation of a terminal, an RL parameter applied to transmission and reception of control information between the terminal and a base station is dynamically controlled. For this purpose, the RL parameter updating method includes: a step in which the base station determines whether to update an HSDPA related parameter and transmits the parameter update information to the RNC to trigger updating of the RL parameter; and a step in which the RNC updates the HSDPA related parameter and transmits it to the terminal. The parameter update information is delivered through an RL parameter update response message, and the RNC is a serving RNC.

The invention discloses a positioning method and a positioning device based on Bluetooth. The method comprises the following steps of: transmitting a power setting instruction to target Bluetooth equipment, wherein the power corresponding to the instruction reduces gradually; obtaining a power threshold value when the target Bluetooth equipment is out of connection; and matching a preset communication distance mapping table according to the power threshold value, if matching, taking the corresponding distance value as the communication distance corresponding to the target Bluetooth equipment. By obtaining the communication distance from the target Bluetooth equipment, the identification error range of the position of the Bluetooth equipment is greatly reduced and the positioning precision is effectively improved.

CSIT error considerate delay-sensitive user access systems are provided in a multi-user OFDMA environment comprises a user delay sensitivity tracking component, a CSIT estimating component, a system queue state tracking component and a cross layer scheduling component. The techniques assume heterogeneous users with respect to delay and assume that CSIT information includes error, and optimally allocates broadcast resources, e.g., power, subcarriers and data rate, based on such assumptions.

The present invention is applicable to the technical field of mobile terminals, and provides a mobile phone and a power saving method for the mobile phone in the sleep mode. By adding a three-dimensional spatial acceleration sensor inside the mobile phone, the acceleration information of the three-dimensional space of the mobile phone in the sleep mode is collected and calculated. And judging the state of the mobile phone in the sleep mode, according to the different state of the mobile phone, adjust the wake-up interval value of the mobile phone state, so that the mobile phone standby time is different with the change of the wake-up interval value set; the sensor used in the present invention The price is low, the software and hardware design of the system is simple, and the three-dimensional spatial acceleration sensor is used to judge the static time of the mobile phone, which can optimize the standby current of the mobile phone in sleep mode and achieve the effect of prolonging the standby time of the mobile phone, which has broad market prospects.

In a mobile communication system in which a plurality of component carriers are used, transmitting and receiving control information of HARQ effectively is realized. In a mobile communication system in which a base station apparatus (100) sets a plurality of downlink component carriers for a mobile station apparatus (200), the base station apparatus (100) transmits a downlink transport block to the mobile station apparatus (200) on one or a plurality of downlink component carriers among the plurality of downlink component carriers, and the mobile station apparatus transmits, to the base station apparatus (100), control information of HARQ for the downlink transport block on any one of physical uplink control channel resources corresponding to the one or plurality of downlink component carriers on which the downlink transport block has been transmitted.

The invention discloses a method and device for controlling uplink power. The method comprises the steps of: calculating downlink path loss of a mobile station in a service cell; calculating path loss of the mobile station to an adjacent cell; calculating path compensating transmitting power of the mobile station according to the downlink path loss of the mobile station in the service cell and the path loss of the mobile station to the adjacent cell; and obtaining basic open loop transmitting power of the mobile station according to the path compensating transmitting power of the mobile station. According to the technical scheme provided by the invention, the system frequency spectrum efficiency and the cell edge user frequency spectrum efficiency can be simply and effectively combined.

A method for uplink (UL) transmission from a user equipment (UE) to a base station (BS) includes selecting, with the UE, a transmission resource used for the UL transmission from multiple transmission resources of the UE, based on selection information or determination in the UE, and transmitting, from the UE to the BS, a UL signal or a UL channel using the selected transmission resource. The selection information indicates a transmission resource designated by the BS. The selecting selects a plurality of transmission resources used for the UL transmission. The transmitting transmits a plurality of UL signals or a plurality of UL channels using the plurality of transmission resources. A method of transmit power control (TPC), the method comprising: performing, with a user equipment (UE), different TPC for each transmission resources of the UE.

The present invention relates to a method and apparatus for determining radio link failure between the UE and the eNB in a wireless communication system. Particularly, the present invention provides a method and apparatus for determining radio link failure efficiently in such a way that the UE measures the radio link quality of the anchor carrier, the radio link qualities of the aggregated carriers, and the radio link quality of neighbor cells in order, and determines whether the radio link quality fulfills a predetermined condition.

The present invention relates to a method of automatic networking on the basis of the position and the time, and a system of automatic networking at a mobile terminal on the basis of the position and the time. The system provided by the invention comprises an obtainment unit, a determination unit and an opening unit. The obtainment unit is configured to obtain information of positions and time; the determination unit is configured to determine whether the distance between a current position and a preset position is less than or equal to a preset distance threshold or not, if yes, the distance between a current position and a preset position is less than or equal to a preset distance threshold, it is determined whether the time interval between a current time and a preset time is less than or equal to a preset duration threshold or not; and the opening unit is configured to open an WIFI automatic connection function if the time interval between a current time and a preset time is less than or equal to a preset duration threshold. Thus, the method of automatic networking on the basis of the position and the time and the system of automatic networking at a mobile terminal on the basis of the position and the time are able to open a WIFI automatic connection function at a special position and time, are energy and power saving, convenient and practical.

The embodiment of the invention relates to the technical field of communication, and discloses an incoming phonecall switching method and a communication terminal. The method comprises the following steps: detecting whether the communication terminal is at using state or mobile state; if the communication terminal is at using state or mobile state, sending a control instruction to a bound terminal of the communication terminal to switch the incoming phonecall or message of the bound terminal to the communication terminal. Through the embodiment of the invention, the incoming phonecall can be switched timely, and the waiting time for switching the incoming phone call is shortened.

An infrastructure equipment transmitting/receiving data to/from one or more communications devices in a wireless communications network, includes a transmitter, receiver, and controller controlling the transmitter and receiver to provide a wireless access interface providing communications resources arranged in time divided units of a system bandwidth providing plural blocks of communications resources, and one or more narrowband carriers. Each carrier provides, within a carrier frequency bandwidth, communications resources for allocation to narrow band communications devices, the carrier bandwidth being less than and within the system bandwidth, signals being transmitted to the narrowband communications devices via the narrow band carriers with a first power. The controller controls the transmitter to transmit signals on a down-link of a narrowband carrier to a narrow-band communications device with an increased power, power of the signals being increased to a greater second power to reduce a time of communicating a high priority message.

Requirements on measurement time to perform measurements that require the User Equipment to tune its receiver to other frequencies are configured in different ways and depending on the length of the OFF time periods and the measurements to be performed, so as to fulfill various requirements on measurement time while allowing autonomous reselection to CSG in CELL FACH. Accordingly, a User Equipment, UE, performs measurements of a plurality of measurement types. The UE performs a measurement of a first measurement type on at least one Closed Subscriber Group, CSG, cell; at least one of a measurement of a second type on at least one carrier frequency of lower or equal priority compared to that of the serving carrier frequency; and a third measurement type on at least one carrier frequency of higher priority compared to that of the serving carrier frequency. In the performed measurements: (a) the at least one of a measurement of the second and the third measurement type is performed during a required time such that first pre-defined requirements for the at least one of a measurement of the second and third measurement type are met, the required time forming part of a time available for measurements, and (b) the measurement of the first measurement type is performed during a remaining time, during which the at least one of a measurement of the second measurement type and a measurementof the third measurement type is not performed wherein the required time and the remaining time form different parts of the time available for measurements (e.g. periods of receiver OFF time of a Discontinuous Reception, DRX, cycle) which are configured by a network node. The application is directed to a User Equipment, a network node and corresponding methods.

This invention relates to a communication system (200), user equipment (201,211) and method of performing a conference call. The communication system (200) employs discontinuous transmission and has a plurality of user equipment (201, 211, 213, 215) and a fixed network (205, 207, 208). It further comprises a speech metric processor (225) for determining if speech is originating at the user equipment. The system also comprises a silence descriptor frame generator (229) which generate silence descriptor frames if no speech is originating and a conference call processor (231) for determining if a call involving the user equipment is a conference call. Furthermore the communication system comprises means (229, 239) for suppressing silence descriptor information of the silence descriptor frames if the call is a conference call. The invention is applicable to cellular mobile radio communication systems such as UMTS.

This application relates to techniques that adjust the sleep states of a computing device based on user proximity detection procedures. The technique includes detecting a first pattern, using a first subset of sensors of one or more sensors coupled to the computing device, to determine if the object is proximate to the computing device. Provided the first pattern is not indicative of the object being proximate to the computing device, the technique detects a second pattern, using a second subset of sensors of the one or more sensors, to determine if the object is proximate to the computing device. Furthermore, provided either the first pattern or the second pattern is indicative of the object being proximate to the computing device and provided a first portion of a computer system within the computing device is operating within a low-power sleep state, the technique causes the first portion to enter into a high-power sleep state.

A communication terminal has an EVDO radio control section which performs radio communication control based on an EVDO communication system, and a data communication control section which releases a data link and requests the EVDO radio control section to release a communication session if a power-off command is entered. The EVDO radio control section releases the communication session in response to the communication session release request made by the data communication control section. When the EVDO radio control section releases the communication session based on a command for a power-off processing, the EVDO radio control section maintains the communication session released. When the EVDO radio control section releases the communication session based on any command other than the command of the power-off processing, the EVDO radio control section performs the reconnection processing of the communication session.

The present invention relates to a power control method and device. The method comprises: a base station separately determining, according to terminal types of n currently scheduled terminals, error vector magnitude (EVM) index adjustment parameters of the n terminals; processing signals to be transmitted of the n terminals according to the EVM index adjustment parameters of the n terminals so as to obtain output signals, and determining the total power change of the output signals with respect to the signals to be transmitted; and dynamically controlling a power voltage of a power amplifier according to the total power change of the output signals with respect to the signals to be transmitted. By means of the power control method and device provided in embodiments of the present invention, different processing is performed on signals of different terminals, the balance between the total power of an OFDM system, the EVM, and the efficiency of the power amplifier is achieved, and system performance of the OFDM system is improved.

A method for measuring a carrier in a deactivated state. The method includes receiving a configuration mode that does not take effect immediately by a user terminal (UE). If a deactivation control signal for a carrier is received by the UE or if a carrier timer of the UE expires, then the method includes switching the carrier from an activated state to a deactivated state, and measuring the carrier in deactivated state by the UE. Alternatively, if an activation control signal for a carrier in the deactivated state that is being measured is received by the UE, the method includes terminating measurement of the carrier in the deactivated state by the UE. Through controllable deactivated carrier measurement, the UE reduces battery power consumption and improves system performance. Embodiments also include an apparatus for measuring a carrier in deactivated state, a base station, and computer-readable storage medium for

The invention discloses a mobile communication base station energy efficiency evaluation method and a mobile communication base station energy efficiency evaluation system. The method comprises the following steps: acquiring the energy efficiency data of a base station, wherein the energy efficiency data comprises an energy consumption coefficient, a temperature coefficient and a base station operation parameter; and analyzing the energy consumption coefficient, the temperature coefficient and the base station operation parameter and acquiring an energy efficiency index. In the invention, a theoretical basis is provided for the energy conservation and emission reduction of the base station; meanwhile, accordingly, mobile operators can select optimal energy-saving base station and energy-saving technique according to environments per se to improve the operation efficiency and reduce the energy consumption of the base station.

The invention provides a data sending method and device, a data receiving method and device, an access point and a station. The data sending method comprises the steps of sending a first wireless signal for waking up one or more stations to the one or more stations on a first wireless channel, wherein the first wireless signal is used for informing the one or more stations of a mode for sending athird wireless signal on a second wireless channel, and the third wireless signal is used for identifying that the one or more stations are wakened up; receiving the third wireless signal sent by theone or more stations on the second wireless channel; and sending data to the one or more stations on the second wireless channel. Through application of the methods, the devices, the access point andthe station, the problem that a wakeup signal cannot be responded rapidly and efficiently when the station enters a power saving or sleep state in related technologies can be solved.

The invention discloses an energy efficiency joint optimization method in MU-MIMO wireless energy/data transmission. The method takes the uplink/downlink work switching point and the base station sending power into consideration, and comprises the following steps: a user terminal firstly receives the energy sent from a base station, and then sends the data by using the energy to the base station. The optimization target of the method is the maximum system energy efficiency, the maximum system energy efficiency represents that the system can perform the most data transmission by using the least energy, and shows the optimization of the system. In the system energy efficiency optimization process, the problem is subjected to equivalence by using the Lagrangian duality theory, and then the problem is resolved by using an iteration algorithm based on the Dinkelbach algorithm, thereby acquiring the optimal energy efficiency.

The invention discloses a data transmission method and device and belongs to the technical field of terminals. The method is applied to a mobile terminal. The mobile terminal comprises an application processor AP system and a baseband processor BP system. The method comprises the steps that when the AP system is in a sleep state, data is cached whenever the BP system receives the data sent by network equipment; when at least one data which is determined to be cached by the BP system meets preset transmission conditions, the AP system is awakened, and at least one data is sent to the AP system. When the AP system is in the sleep state, data is cached at first rather immediately awakening the AP system to send the data whenever the data sent by the network equipment is received, the AP system is awakened after the at least one cached data meets the preset transmission conditions, the cached data is sent to the AP system, the AP system awakening frequency is reduced, and power consumption and electric quantity of the mobile terminal are saved.

A User Equipment (UE) and a method for enhancing uplink transmission handling in Discontinuous Reception (DRX) mode of the UE are provided. The method includes of receiving, by the UE, an uplink data transmission request in the DRX mode; computing a first transition time and a first Scheduling Request (SR) transition time; calculating a second transition time; determining if the second transition time is less than a third transition time; computing a wakeup transition time, if the second transition time is not less than the third transition time; and enhancing uplink transmission time by triggering a wakeup procedure for the UE at a fourth transition time.

The invention discloses a method and device for monitoring and transmitting downstream data. The method comprises steps of starting a timer and adopting a first non-continuous reception DRX monitoring cycle to monitor downstream scheduling data transmitted by a base station after the timer is determined to be timeout, wherein the duration of the first DRX monitoring cycle is in units of minutes or hours. After a fact that the timer is overtime is determined, the first DRX monitoring cycle which is in units of minutes or hours is adopted to monitor the downstream data. As a result, the method and device of the invention either save electricity consumption or monitor the downstream scheduling data.