Abstract:
Embodiments of the present invention provide a communication system and management method thereof. The communication system includes: a radio transceiving layer, including a radio transceiving node combination, where the radio transceiving node combination includes at least one type of the following: a macro cell RRU, a Pico cell RRU, and a Pico cell BRU; a local computing layer, including a local computing node, connected to a radio transceiving node in one or multiple neighboring radio transceiving node combinations and configured to execute all communication processing or a first part of communication processing of a cell corresponding to the local computing node; a centralized computing layer, including a centralized computing node, connected to the local computing node in the local computing layer and configured to execute a second part of communication processing, where the all communication processing includes the first part and second part of communication processing.
Abstract:
The present embodiments relate to the field of communications, and discloses a signal processing method and apparatus, which can implement self-interference cancellation when in-phase quadrature (IQ) imbalance exists in a communications system. An embodiment is acquiring, a digital baseband reference signal, a self-interference reference signal, and a frequency-domain baseband signal. The method also includes obtaining, according to the digital baseband reference signal, a basic reference signal and an image reference signal that are image to each other and estimating an estimated value of a first comprehensive response and an estimated value of a second comprehensive response according to the basic reference signal, the image reference signal, and the self-interference reference signal. Additionally, the method includes calculating a self-interference signal according to the estimated value of the first comprehensive response, the estimated value of the second comprehensive response, the basic reference signal, and the image reference signal, so as to perform self-interference cancellation on the frequency-domain baseband signal.
Abstract:
Embodiments of the present invention disclose a transmission mode selecting method, an antenna TX/RX combination determining method, device, and system. The transmission mode selecting method includes: obtaining a first system capacity in a half-duplex transmission mode; obtaining a second system capacity in a full-duplex transmission mode, where the second system capacity is the maximum value among system capacities of a universal set of candidate antenna TX/RX combinations in the full-duplex transmission mode, or the maximum value among system capacities of a first subset of the candidate antenna TX/RX combinations in the full-duplex transmission mode, or a system capacity exceeding a system capacity threshold; and selecting a target transmission mode according to a comparison result between the first system capacity and the second system capacity, where the target transmission mode is a transmission mode corresponding to a larger value between the first system capacity and the second system capacity.
Abstract:
A method, a micro base station, and a communications system for creating a microcell are disclosed in the present application. The method includes: configuring, by a micro base station, beam width and beam directions of high-gain directional antennas according to location information about hotspot areas in at least two macrocells; and using, by the micro base station, at least two beams formed by the high-gain directional antennas to form microcell coverage over the hotspot areas in the at least two macrocells. In the embodiments of the present application, the location of the micro base station may be kept unchanged when locations of hotspot areas in a plurality of macrocells change, and by adjusting the beam width and beam directions of high-gain directional antennas, the micro base station can provide microcell coverage over the changed hotspot areas, thereby making the networking flexible and reducing the network maintenance cost.
Abstract:
Embodiments of the present invention provide a pointing interaction method, apparatus, and system. The method includes: obtaining a hand image and an arm image; determining spatial coordinates of a fingertip according to the hand image, and determining spatial coordinates of an arm key portion according to the arm image; and performing converged calculation on the spatial coordinates of the fingertip and the spatial coordinates of the arm key portion, to determine two-dimensional coordinates, on a display screen, of an intersection point between fingertip pointing and the display screen. Therefore, the pointing interaction apparatus can implement high-precision pointing only by using the spatial coordinates of the fingertip and the spatial coordinates of the arm key portion, and the pointing has good realtimeness.
Abstract:
Embodiments of the present invention relate to a terminal scheduling method, a station, and a terminal. The method includes: sending, by a first station, a first notification message to a first terminal that is also in a first service set, where the first notification message is used to instruct the first terminal to send a sounding signal; receiving, by the first station, mutual interference information sent by a second terminal, where the mutual interference information includes a signal parameter value used to represent that signal interference is generated between the second terminal and the first terminal and identifier information used to determine the first terminal that sends the sounding signal, and the mutual interference information is sent if the second terminal obtains the sounding signal by means of listening; and performing, by the first station, scheduling processing on the first terminal and the second terminal according to the signal parameter value and the identifier information.
Abstract:
The present invention provides a method and an apparatus for handling full-duplex interference. One method includes: obtaining an interference degree that is caused when a site device performs full-duplex transmission with at least two UEs; and determining, according to the interference degree, a UE allowed to transmit uplink and downlink signals on the same time and frequency resource among the at least two UEs. In embodiments of the present invention, a UE allowed to transmit uplink and downlink signals on the same time and frequency resource may be classified according to an interference degree that is caused when a site device performs full-duplex transmission with at least two UEs, thereby preventing the interference problem in the scenario of point-to-multipoint full-duplex communication as much as possible.
Abstract:
Embodiments of the present invention disclose a transmission mode selecting method, an antenna TX/RX combination determining method, device, and system. The transmission mode selecting method includes: obtaining a first system capacity in a half-duplex transmission mode; obtaining a second system capacity in a full-duplex transmission mode, where the second system capacity is the maximum value among system capacities of a universal set of candidate antenna TX/RX combinations in the full-duplex transmission mode, or the maximum value among system capacities of a first subset of the candidate antenna TX/RX combinations in the full-duplex transmission mode, or a system capacity exceeding a system capacity threshold; and selecting a target transmission mode according to a comparison result between the first system capacity and the second system capacity, where the target transmission mode is a transmission mode corresponding to a larger value between the first system capacity and the second system capacity.
Abstract:
A WLAN coordinated data transmission method, system, and relevant device are disclosed. The WLAN coordinated data transmission method includes: detecting, by an offloading scheduling controller, whether the number of MAC SDUs buffered in a MAC SDU queue of a mobile communication module exceeds a preset threshold, and, if so, packing a part of the MAC SDUs into a MAC PDU, and sending the MAC PDU to a coordination mode management module through an interface of the mobile communication module; sending, by the coordination mode management module, the MAC PDU containing the packed part of the MAC SDUs through an LLC protocol layer to a WLAN module for transmission; and packing, by the offloading scheduling controller, a remaining part of the MAC SDUs buffered in the MAC SDU queue into a MAC PDU, and transmitting the MAC PDU through the mobile communication module.
Abstract:
A method and a device for communication mode switching are provided in embodiment of the present disclosure. The method includes: acquiring at least one candidate communication mode for switching according to a preset channel quality condition, where the channel quality condition is met under the candidate communication mode for switching; evaluating each of the at least one candidate communication mode for switching according to a switch criterion and acquiring an evaluation value of each of the at least one candidate communication mode for switching; and ranking the evaluation value of the at least one candidate communication mode for switching in an ascending order or a descending order and switching a communication system from a current communication mode to a candidate communication mode for switching corresponding to an evaluation value ranked as the first.