50results about How to "Lower Coverage Costs" patented technology

An antenna device, a wireless cellular network, and a method of capacity expansion are provided. The antenna device includes: a contact element adapted to connect a base station to receive input signals from the base station; an amplitude and phase allocating element adapted to allocate the input signals received by the contact element according to designed amplitudes and phases; an antenna element comprising an array of antennas comprising an even number of columns, and adapted to receive and transmit the input signals allocated with the amplitudes and phases. An array of antennas comprising an even number of columns has been adopted, and a feed network construction of the antenna system has been improved, so that through adjusting amplitudes and phases of original signals from a base station, a smooth capacity expansion of the network can be achieved without adjusting antenna directivities, thus reducing the workload and complexity for capacity expansion.

The invention discloses a wireless communication system realizing multipath different-address information source access. The wireless communication system comprises a main access unit, a plurality of slave access units respectively connected with the main access unit, at least one expansion unit connected with the main access unit, and at least one far-end unit connected with the expansion units, wherein the main access unit and the slave access units respectively support a plurality of communication standards of different service providers; in a down link, the slave access units respectively add corresponding communication standard labels to received radiofrequency signals and send the radiofrequency signals to the main access unit through an optical fiber; the main access unit adds corresponding communication standard labels to received radiofrequency signals, converts the radiofrequency signals and the optical signals from the slave access units together into microwave signals and sends the microwave signals to each corresponding expansion unit; the expansion units respectively carry out data processing on the received microwave signals and send the microwave signals to the each corresponding far-end unit through optical fibers; and the far-end units respectively process the received optical signals so as to convert the optical signals into radiofrequency signals of the corresponding communication standards, thereby enabling the radiofrequency signals to be sent to users.

The invention is concerned with antenna device of base station. It relates to left tie-in and right tie-in and it connects with base station through left and right tie-ins. Range phase allocation network distributes signal of base station to each unit of antenna array as designed range and phase. The antenna of even antenna array sends and accepts signal. It also opens a kind of networking and enlarging capability method of antenna device. Left and right tie-ins connect with base station by a divider and the power of signal to base station are deuced by this divider, during the networking process. During the enlarging of network, two ways of import signal of base station enter into antenna device through left and right tin-ins. During the enlarging process, this invention carried smooth enlarging and reduces the workload and complexity without increasing amount of address of base station and adjusting direction of antenna. It increases the cover range of base station during networkingand reduces amount of base station and cover cost.

The invention provides a method and a system for laying of indoor antennas. The method includes confirming an initial value of antenna quantity; obtaining the optimal laying position point scheme of the antennas of current antenna quantity by utilizing the multi-target evolutionary algorithms; and regulating the antennal quantity, obtaining the optimal laying position point scheme of the antennas of different antenna quantity, finding the optimal laying position point scheme having minimum antennal quantity, and obtaining the finial laying scheme of the indoor antennas. The method and the system can reduce achieving complexity of the laying of the indoor antennas, improves a covering effect, and reduces equipment cost.

The invention discloses a wireless communication system realizing access in multiple communication modes. The wireless communication system realizing access in multiple communication modes comprises multiple access units which are sequenced one by one based on the priority, at least an extension unit connected with the access unit with the highest priority, and at least a remote-end unit connected with the extension unit, wherein each access unit supports multiple communication modes of different operators; in a downlink, each access unit forwards received radio frequency signals which are added with a corresponding communication model label and optical signals with a communication mode label sent by the access unit with the priority one level lower to the access unit with the priority one level higher, and the access unit with the highest priority finally converts the received radio frequency signals which are added with the corresponding communication mode label and the optical signals received from the access unit into microwave signals and transmits the microwave signals to each corresponding extension unit; each extension unit after performing data treatment on the received microwave signals transmits the processed microwave signals to each remote-end unit through an optical fiber; each remote-end unit processes received optical signals, converts the optical signals into radio frequency signals in the corresponding communication mode and transmits the radio frequency signals to a user.

The method includes steps: (1) network side sets up threshold value of position for mobile station; and informing the set up threshold value of position to mobile station; (2) mobile station monitorsand determines whether own position reaches to the threshold value of position in step (1) in real time; when reaching the threshold value of position, mobile station makes report to network side; (3)after receiving report in step (2), network side switches mobile station between adjacent cells. Based on accurate position, the invention makes mobile station switch between adjacent cells.