摘要:
The present invention relates to a communication system having a digital to analog converter, a first input, a summation component, and a compensation unit. The converter is configured to receive a first. The first input is configured to receive a phase modulation signal. The compensation unit includes one or more inputs and is configured to measure amplitude samples of the first signal at a first of the one or more inputs and to generate a correction signal according to the one or more inputs. The correction signal at least partially accounts for estimated distortions of the phase modulation signal from the amplitude modulation path. The summation component is configured to receive the phase modulation signal and the correction signal and to generate a corrected phase modulation signal as a result.
摘要:
According to an aspect of this disclosure, a radio communication device is provided including: a first transceiver configured to transmit and receive at least one signal according to a Cellular Wide Area radio communication technology; a second transceiver configured to transmit and receive at least one signal according to a Short Range radio communication technology or a Metropolitan Area System radio communication technology; at least one filter coupled to the second receiver, the filter having a filtering characteristic; and a processor coupled to the first transceiver and configured to control the first transceiver to transmit signals with a transmission bandwidth that is set based on the filtering characteristic.
摘要:
A radio communication device is described having a first transceiver configured to transmit and receive signals in accordance with a Cellular Wide Area radio communication technology; a second transceiver configured to transmit and receive signals in accordance with a Short Range radio communication technology or a Metropolitan Area System radio communication technology; a first processor configured to control the first transceiver to transmit signals during a transmitting period, the transmitting period comprising a first time period, during which signals are transmitted, and a second time period, during which no signals are transmitted; and a second processor configured to control the second transceiver to transmit signals taking into account the transmitting period of the first transceiver such that the second transceiver transmits signals at least partially during the second time period.
摘要:
A method of managing a mobile station (e.g., IEEE 802.11 station) having a serving BSS, uses a station connection manger and initially maintains a default idle stable state with minimum power to receive incoming calls. While idle, the station periodically polls and scans a detected BSS (Access Point) to detect messages using DTIM (Delivery Traffic Indication Message). A null frame sent, triggers corresponding frame transmission at an Access Point. If the null frame is acknowledged, the station switches to the active state until end of packet exchange. With no null frame acknowledged, scanning is resumed to update a BSS list prior to joining a newly found BSS via authentication and association states. When no candidate BSS is found, a time out period is used before next polling. After the last message frame is transmitted, the station resumes the default idle state. The station manager conserves battery power in the station.
摘要:
A method for dynamic allocation of transmission resources to a plurality of communications between a base station and a plurality of mobile terminals includes generating a pseudo-random sequence and performing an allocation. Each resource includes a plurality of possible values, and an allocation controller associated with the base station, referred to as the fast allocation controller, is able to allocate to the communications only certain combinations of possible values, referred to as available resources. The fast allocation controller generates a pseudo-random sequence and performs the allocation by selecting at least one available resource for each communication according to a value of the pseudo-random sequence.
摘要:
A wireless network comprises at least one station (102) adapted to perform measurements of at least one given type in the network, and a Centralised Measurement Manager (CMM) unit (101) for handling measurements of said type. CMM unit sends a measurement request message (201) requesting that this station (102) perform a measurement of the given type, this request message comprising a triggering information (304, 501, 601-602). Upon reception of the measurement request message (201), the station performs (202) a measurement and obtains (203) corresponding measurement result. Then, it is decided (204) whether at least part of the measurement results is to be sent to the CMM unit based on the triggering information. If yes, the station sends the corresponding part of the measurement result to the CMM unit.
摘要:
The present invention relates to a method for use in controlling the emission power of a transceiver which is in communication with another transceiver via a communication system, said method including the steps of measuring the amplitude or the power of the signal received by said transceiver and of evaluating a power control command which is then used to command the emission power of said transceiver according to said control command signal. According to the invention, the method includes the steps of evaluating the fast fading duration of the received signal on basis of said amplitude or power measurement and of deducing the power control command from said fast fading duration.
摘要:
Embodiments of system, device, and method configurations for managing inter-radio access technology (inter-RAT) mobility of handovers between a UMTS Terrestrial Radio Access Network (UTRAN) or GSM EDGE Radio Access Network (GERAN) and an evolved UMTS Terrestrial Radio Access Network (E-UTRAN) to avoid scenarios of in-device coexistence (IDC) interference are disclosed herein. In one example, the existence and types of IDC interference with an E-UTRAN Long Term Evolution (LTE)/Long Term Evolution-Advanced (LTE-A) network are determined and communicated to the UTRAN/GERAN in an IDC indication signal. The IDC indication signal may communicate the existence and type of IDC interference occurring at user equipment, such as between licensed LTE/LTE-A and unlicensed industrial scientific medical (ISM) radio frequency bands. Accordingly, the UTRAN/GERAN may use information provided from the IDC indication signal to prevent a handover to the E-UTRAN that would result in IDC interference.
摘要:
A radio communication device is provided including a first transceiver; a second transceiver, a first determiner configured to determine an effect of a communication by the first transceiver on the throughput of a communication by the second transceiver, a second determiner configured to determine an effect of pausing the communication by the second transceiver during the communication by the first transceiver on the throughput of the communication by the second transceiver and a controller configured to control the second transceiver to pause communication during the communication by the first transceiver if the effect of the communication by the first transceiver on the throughput of the communication by the second transceiver is higher than the effect of pausing the communication by the second transceiver during the communication by the first transceiver on the throughput of the communication by the second transceiver.