157 results about "Received signal code power" patented technology

The invention relates to the technical filed of communication, and discloses a method and a device for realizing coverage measurement, the method comprises the following steps: acquiring measurement reports reported by each terminal, wherein the measurement reports comprise acquiring a received signal code power (RSCP); acquiring a TA (time advance) uplink transmitted by each terminal; respectively calculating the distance between each terminal and a base station according to the TA of each terminal; generating a cell power coverage profile which can indicate different distance between each terminal and a same base station according to the reported RSCP of each terminal and the calculated distance between each terminal and the base station. By adopting the method and the device for realizing coverage measurement, the coverage condition can be increased.

This invention discloses a quality evaluation of TD-SCDMA system assistant carrier frequency signals and the carrier frequency selection method. The network side emits reference channels on each auxiliary carrier frequency and broadcasts its frequency, the reference power of the reference channel and test control information containing test quantity as the assistant carrier frequency reference channel received signal code power, the mobile terminal starts the test process according to the system broadcast information or the test control order of the network side to test the received signal code power of the assistant carrier reference channel and reports the test result to the network side, which selects suitable carrier and allocates special resources for the mobile terminal.

The invention discloses a position information determining method and a position information determining device, which are used for quickly determining a position with relatively weak signal coverage in a room covered by outdoor signals. The position information determining method provided by the invention comprises the following steps of: acquiring a measurement report (MR) of user equipment (UE); and for the same UE, determining the position with relatively weak signal coverage in the room covered by the outdoor signals according to timing advance (TA) and primary common control physical channel (P-CCPCH) receiving signal code power (RSCP) in the MR.

The invention provides a method for a GSM/TD-SCDMA double-mode terminal working under a GSM mode to measure a TD-SCDMA network. The method comprises the steps as follows: A. under the idle state of GSM and under the service state of GSM, an idle frame and a latest time slot of a frame before the idle frame receive and store TD-SCDMA data; and B. the measurement on received signal strength instruction (RSSI) and received signal code power (RSCP) is carried out according to the stored TD-SCDMA data. The invention can measure the TD-SCDMA network, no matter GSM is under the service state or under the idle state, and therefore, when a TD-SCDMA network signal is stronger, the TD-SCDMA network is automatically switched to the TD-SCDMA mode.

The invention discloses a network coverage quality analytical method and a network coverage quality analytical system. The method and the system aim to resolve the problems that difficulty of analyzing the network coverage quality is large and the network coverage quality of a whole network cannot be analyzed in a background technology. The method includes the steps: determining each grid in a network coverage zone and obtaining the side lengths and central point coordinate values of each grid; obtaining each piece of telephone traffic information; according to the side lengths and the central point coordinate values of each grid and obtained coordinate values of the talking position of the each piece of telephone traffic information, judging a corresponding relation between the each piece of telephone traffic information and each grid; according to obtained receiving signal code power values of conversation of the each piece of telephone traffic information, judging a corresponding base station signal coverage grade of the grid of the each piece of telephone traffic information; according to the base station signal coverage grade of each grid, analyzing the network coverage quality of the network coverage area. The network coverage quality analytical method and the network coverage quality analytical system can intuitively analyze the network coverage quality of the whole network, and save labor power and material resources.

The invention discloses a method used to detect same frequency interference cell during reselection or switching. The method comprises the following steps: a terminal which resides in a home cell periodically detects the measurement result of the received signal code power in an adjacent cell; if the terminal needs to carry out cell reselection or judges according to a network side command that cell switching is needed to carry out, the terminal retains the up to date measurement result of the received signal code power (RSCP) in the home cell; finally, all cells in the home cell sequenced according to an RSCP value are taken as the adjacent cells used for reselecting or switching an object cell.

The invention discloses a method for cell handover in a TD-SCDMA (Time Division-Synchronous Code Division Multiple Access) system and a device for the cell handover in the TD-SCDMA system. The method comprises the following steps of: acquiring the RSCP (Received Signal Code Power) measured value of a current cell and the RSCP measured value of each neighbor cell of the current cell; selecting neighbor cells respectively with an RSCP measured value larger than that of the current cell as target cells to be handed over; determining the priority of each of the target cells to be handed over according to the size of the RSCP measured values corresponding to the target cells to be handed over; and determining handover target cells from the target cells to be handed over according to the priorities of the target cells to be handed over, and the size relationship among corresponding cell signal quality measured values and preset threshold values, and carrying out cell handover. In the invention, the RSCP measured values and the cell signal quality measured values are adopted to judge whether the neighbor cells of the current cell meet cell handover or not, thereby achieving the aim that the cell mistaken handover is avoided by using the cell signal quality measured values when the RSCP measured values are inaccurate or on the high side due to the fact that interference exists in a frequency point where the cell is located.

The invention provides a neighbor cell measurement method of a multi-mode terminal. The method comprises the following steps: A. measuring an neighbor cell carrier power RSSI of the neighbor cells at various frequency points, meanwhile, measuring a received signal code power (RSCP) of a pilot channel in a serving cell; B. comparing the RSCP of the pilot channel in the serving cell and the RSSI of the neighbor cells, ignoring the measurement of the RSCP of the pilot channel in the neighbor cells at one frequency point when the value of the RSSI at the frequency point added with a threshold is smaller than the RSCP of the pilot channel in the serving cell, otherwise, measuring the RSCP of the pilot channel in the neighbor cells at the frequency point. The invention further provides a neighbor cell measurement device of the multi-mode terminal. By the method and the device, a plurality of neighbor cells with weak signals are effectively eliminated by comparing the relationship between the RSCP of the pilot channel in the serving cells and the neighbor cell carrier power, and the limited idle time windows are used for the measurement of the potential target cells so as to realize the measurement among systems under a high-speed service.

The invention provides a method and a device for confirming distribution of user equipment. The method and the device for confirming the distribution of the user equipment are used for automatically identifying indoor signal covering state in each area, improving the identification efficiency and lowering labor cost and time cost. The method comprises that obtaining a measurement report (MR) uploaded by the user equipment (UE) with a geographic area to be analyzed in a preset time range, confirming a mean value of a primary common control physical channel received signal code power P-CCPCH RSCP of each UE and a mean value of the P-CCPCH RSCP of each geological raster in the preset time range according to the obtained MR, wherein the geological rasters are obtained by dividing the geographic area to be analyzed in advance. According to the mean value of the P-CCPCH RSCP of each UE and the mean value of the P-CCPCH RSCP of geological rasters of the UE, the number of UE which meet the preset requirement in each geological raster is confirmed.

The invention discloses a method and system for optimizing neighbor cell configuration. The method comprises the following steps: based on the existing neighbor cell configuration, trying neighbor cells in larger range in time intervals and batches, adding the tried neighbor cells and calling the tried neighbor cells candidate neighbor cells; when a candidate neighbor cell becomes effective, the candidate neighbor cells and the existing configured neighbor cells jointly forming configured neighbor cells, acquiring received signal code power (RSCP) measured value of measurable neighbor cells by user equipment (UE) in a cell A during cell handover and recording the target neighbor cell handed over each time in a period of time T; after processing all the batches of candidate neighbor cells,computing the RSCP mean value and handover frequency of each neighbor cell relative to the cell A according to all the obtained RSCP measured values and the information of the handed over target neighbor cells, comprehensively evaluating each neighbor cell according to the computation results and giving the neighbor cell configuration optimization suggestions based on the comprehensive evaluationresults. The reliability of the configured neighbor cell optimization scheme can be improved by using the invention.

The invention discloses determining method and device of neighbor cells. The method comprises the following steps of: dividing a main cell into grids; calculating the number proportion of main cell MRs (measurement reports) corresponding to the grids in an MR and determining the grids, the number proportions of which are larger than a proportion threshold value, to be main cell grids; calculating a difference value between an RSCP (received signal code power) average value of the main cell in the main cell grids and an RSCP average value of other cells beyond the main cell; and determining other cells the difference values of which are smaller than a difference value threshold value to be neighbor cells of the main cell. The method and the device can more accurately determine the neighbor cells of a cell.

A method and system for cell identification for uplink interference avoidance that includes a network device and a mobile device in a communications network. Inter-frequency measurements are performed by a mobile device on a downlink-carrier not currently used by the mobile device (S1). A result of the inter-frequency measurements is compared with another value (S2). Second measurements are initiated on the downlink carrier currently not used by the mobile device based on the comparison (S3). A cell is identified based on the second measurements (S4). The inter-frequency measurements may include received signal strength indicator (RSSI) measurements, received signal code power (RSCP) measurements, or average channel power-to-total signal power ratio (Ec/Io) measurements. The second measurements may include signal quality measurements.