157 results about "Received signal code power" patented technology

A method for controlling transmission power of a physical random access channel in a mobile communication terminal. The mobile communication terminal sets initial transmission power according to received signal code power when a preamble of the physical random access channel is transmitted to a mobile communication network. A wireless channel environment is identified on the basis of a value of the received signal code power when the preamble must be retransmitted. According to the identified wireless channel environment, transmission power used in a previous preamble is variably increased and retransmission power is set.

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.

A method and apparatus for reselecting a cell in the network with the hierarchical cell structure, are provided. According to an embodiment, the method includes measuring a received signal code power of each of a current serving cell and adjacent cells; and designating the current serving cell as a candidate cell for a next serving cell in a cell reselection process, if the received signal code power of the current serving cell is the strongest of all the cells.

A method for determining whether to perform IFHO (inter-frequency handover) of a UF apparatus from one cell to another and from one carrier frequency to another in a TD-CDMA telecommunications network (including e.g. a TD-SCDMA network)—based separately on coverage and capacity, using one decision metric for coverage (e.g. based on received signal code power for each candidate cell and each candidate carrier frequency) and a different decision metric for capacity (e.g. based on a quantity proportional to the received signal code power and inversely proportional to the difference between a received signal strength indicator and the received signal code power). Corresponding equipment and a computer program product is also provided. In deciding whether IFHO is needed based on capacity, a threshold for received signal code power may be used in addition to the metric for capacity.

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.

According to an aspect of the present disclosure, there may be provided a method in a wireless cellular telecommunications device camped on a serving cell, the device storing a parameter obtained by decoding system information of a first cell. The method comprises: measuring an attribute of a signal received from a candidate cell; and, evaluating the candidate cell for re-selection based on the measured attribute according to a priority-based re-selection algorithm irrespective of the stored parameter. The parameter indicates a minimum required received signal code power. A device and computer readable medium are also provided.

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 determining cell throughput, which aims at solving the problem that the evaluation on the network performance of an HSUPA (High Speed Uplink Packet Access) system is inaccurate because the cell throughput is determined according to the static parameters and the throughput of the HSUPA system is determined according to the determined cell throughput in the prior art. The method comprises the following steps of: measuring the current RSCP (Received Signal Code Power) value of a P-CCPCH (Primary Common Control Physical Channel) of each cell in the HSUPA system; and determining the throughput of each cell, wherein, for each cell, the E-DCH (Enhanced Dedicated Channel) signal to noise ratio of the cell is determined according to the RSCP value of the P-CCPCH of the cell and adjacent cells, and the throughput of the cell is determined according to the determined signal to noise ratio and the corresponding relationship between the preset cell signal to noise ratio and the cell throughput. When the technical scheme of the invention is adopted, the accuracy of the evaluation on the network performance of the HSUPA system can be improved. The invention is more favorable for the network planning and optimization.

The invention discloses a method, a system and a device for switching networks of a mobile terminal, aiming at solving the problem that the method for switching networks of mobile terminal affects the efficiency of the mobile terminal in a current packet domain service in the prior art. The method comprises the following steps: a network side device judges that PCCPCH (primary common control Physical Channel) RSCP (received signal code power) reported by the mobile terminal is less than a signal power valve value and the current service of the mobile terminal is a packet domain service, the network sides judges whether to inform the mobile terminal of switching networks from a 3G (The 3rd Generation Telecommunication) communication network to a 2G (The 2rd Generation Telecommunication) communication network based on the current experience quality metric of the mobile terminal. In the embodiment of the invention, when the mobile terminal executes a pocket domain service at present, the network side device judges whether to inform the mobile terminal of switching networks according to the PCCPCH RSCP and the current experience quality metric of the mobile terminal, so that the mobile terminal is capable of accurately switching networks and the efficiency of the mobile terminal in the packet domain service is improved.

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 number of measurements being performed in a telecommunications system can be reduced by performing a predetermined measurement in Cell A and in co-located Cell B, step 1, for example a received signal code power (RSCP) measurement. The difference between the two signals is determined, and stored for future reference, step 3. Once the difference value has been established, the mobile station no longer needs to perform measurements on both Cell A and Cell B. Instead, if a subsequent measurement is made on Cell A, step 5, the network can estimate the measurement for Cell B based on the difference signal previously determined, step 7.

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 user subdistrict switching access method under the high speed environment. The method includes the following steps: obtaining the received signal code power (RSCP) received by a primary common control physical channel (PCCPCH) of the subdistrict and the adjacent subdistrict, the angle (AOA) between a subdistrict uplink signal channel and an antenna, and the moving direction of user equipment (UE); determining the subdistrict switching access according to the decision mode of the RSCP received by the PCCPCH and the UE moving direction; or determining the subdistrict switching access according to the decision mode of the AOA and the UE moving direction; or determining the subdistrict switching access according to the decision results of the two decision modes. The invention also discloses a user subdistrict access system under the high speed environment. The user call is better realized under the high speed environment by adopting the method and the system.

The invention discloses a method for acquiring a wireless channel parameter. The method comprises the following steps of: presetting a sampling frequency and a sampling period which is used for measuring a serving cell and a same-frequency neighbor cell and reselecting a cell in the idle state; sampling a primary common control physical channel received signal code power (PCCPCH RSCP) signal which is received within the sampling period so as to acquire a sample; computing an average value of the acquired samples within the sampling period; and according to a preset smooth correlative time window algorithm strategy, calculating the wireless channel parameter. The invention also discloses a device for acquiring the wireless channel parameter. By the invention, reselecting switching frequency is reduced, power consumption of user equipment (UE) is reduced and a user experience is improved.

The invention discloses a radio resource management method and a radio network controller (RNC), wherein the method comprises the steps that: a network side acquires measurement information of current user equipment (UE) under space division state, wherein the measurement information comprises received signal code power (RSCP) of uplink specific channels corresponding to different partitions; the network side determines that the difference value between the most powerful RSCP and the second powerful RSCP in the measurement information is smaller than a set threshold, and determines a partition to which the second powerful RSCP corresponds as a target partition when the duration during which the difference value is smaller than the set threshold exceeds a predetermined duration; and the network side acquires a home partition of UE which spatially divides the resource with the current UE, and regulates the resource allocation when determining that the degree of isolation between the home partition and the target partition does not meet the demand of space division. The method of the invention, before the UE changes the home partition thereof, performs prejudgment and pretreatment in advance on whether interference is formed after movement, thereby avoiding the strong interference caused by the reason that the demand of space division after movement is not met and further guaranteeing normal operation of businesses and excellent experience of users.

A method and system for cell identification for uplink interference avoidance that includes a network device and mobile device in a communications network. Inter-frequency measurements are performed by a mobile device on a downlink carrier currently not used by the mobile device. A result of the inter-frequency measurements is compared with another value. Second measurements are initiated on the downlink carrier currently not used by the mobile device based on the comparison. A cell is identified based on the second measurements. The inter-frequency measurements may include receive 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.

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 utility model discloses a pilot channel transmitting power adjustment method which consists of the received signal code power RSCP value and the signal-to-interference Ec / Io value of the currently measured pilot channel, which are reported by a network profile receiving mobile platform; the transmitting power value of the pilot channel to be required is decided by the network profile according to the received RSCP value and the Ec / Io value; according to the transmitting power value of the pilot channel to be required, the transmitting power of the pilot channel is adjusted. The invention also provides a corresponding device. The method or the device of the invention can determine the transmitting power of the pilot channel of a base station with precision, thereby controlling the communication area of the control mobile platform and guaranteeing the community communication quality of the mobile platform in a mobile range.

The invention discloses a method for completing TD neighbor measurement based on a GSM idle frame, comprising the following steps: A. searching TD system timing with the GSM idle frame; B. according to the TD system timing, computing the observation time difference OTD of a subdistrict to be measured; and C. receiving the midamble correlative data of the subdistrict with the idle frame, and computing the receiving signal code power of the subdistrict under a frequency point. Based on the measurement request of a protocol, the method analyzes GSM multiframe structure, gives a specific realizing method for measuring the TD neighbor under a GSM / GPRS connection state based on an Idle frame with the idle frame appointed by the protocol, and effectively meets a real-time requirement, namely, the TD measurement is completed within 3s.

The invention discloses a method, a device and a system for testing the coverage performance of a network. The method comprises the following steps of: acquiring an initial time division-synchronous code division multiple access (TD-SCDMA) origination received signal code power level value and TD-to-second-generation (2G) network voice service switching frequency; computing and generating a weak-field origination ratio according to the initial TD-SCDMA origination received signal code power level value; judging whether the weak-field origination ratio exceeds a preset weak-field origination threshold value or not, and computing and generating a TD-to-2G network voice service switching frequency ratio according to the TD-to-2G network voice service switching frequency if the weak-field origination ratio does not exceed the preset weak-field origination threshold value; and judging whether the TD-to-2G network voice service switching frequency ratio exceeds a preset switching frequency threshold value or not, and determining that the network coverage performance of a base station is low if the TD-to-2G network voice service switching frequency ratio exceeds the preset switching frequency threshold value. By the method, the device and the system provided by the embodiment of the invention for testing the coverage performance of the TD-SCDMA network, the coverage performance of a TD network can be comprehensively reflected without the influence of the switching frequency, and manpower and material resources can be saved.

The invention discloses a method for ensuring a mobile terminal to reside in a network and the mobile terminal. The method comprises the following steps of: searching a time division-synchronization code division multiple access (TD-SCDMA) frequency band, and if a primary common control physical channel (PCCPCH) received signal code power (RSCP) is greater than the minimum level, selecting to reside in a TD-SCDMA network; and measuring signals broadcast by the TD-SCDMA network in a plurality of long term evolution (LTE) networks adjacent to the TD-SCDMA network and selecting to reside in the optimal LTE network. By the method for ensuring the mobile terminal to reside in the network, the mobile terminal can simultaneously support network standards of the second generation (2G), the third generation (3G) and the fourth generation (4G) and can simultaneously reside in two networks with different standards, so that the full utilization of network resources is realized.

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.

The number of measurements being performed in a telecommunications system can be reduced by performing a predetermined measurement in Cell A and in co-located Cell B, step 1, for example a received signal code power (RSCP) measurement. The difference between the two signals is determined, and stored for future reference, step 3. Once the difference value has been established, the mobile station no longer needs to perform measurements on both Cell A and Cell B. Instead, if a subsequent measurement is made on Cell A, step 5, the network can estimate the measurement for Cell B based on the difference signal previously determined, step 7.