A system and method in a radio telecommunications network for correlating speech quality over an air interface link with a plurality of radio quality parameters. The system includes a mobile switching center (MSC) for recording uplink radio quality information from the air interface link, a mobile test tool for recording downlink radio quality information from the air interface link, a parser for parsing the radio quality information into the plurality of radio quality parameters, and a memory for storing the parsed radio quality information. A digital audio tape (DAT) recorder or personal computer (PC) is electronically connected to a mobile station for recording a speech conversation from the air interface link simultaneously with the recording of the radio quality information. A DAT-link interface is utilized to interface the DAT recorder with a playback unit and with a synchronizer/controller which synchronizes the stored radio quality information and the stored speech conversation. The radio quality parameters are presented to the operator in graphical form on a visual display while the speech conversation is simultaneously presented to the operator in audio form. The operator enters a subjective evaluation of the speech quality of the speech conversation, and the evaluation is correlated with the radio quality parameters and displayed on the visual display.

A traffic management system reads TT files obtained from mobile services switching centers, and processes information included in the records of the files, and on the basis of the information procedures a hierarchical graphic representation on a map display. The highest level represents the operator's entire service area, and the lowest level a cell. On each level, traffic intensity is displayed with grades of color, i.e., the more traffic the stronger the color. The display is updated automatically as the MSC provides the TT data. The system monitors traffic load in the cells. If the traffic load in any of the cells exceeds a preset level, the system automatically transmits a command to the MSC to change the logic size of the cell or add a TRX unit, if such is available.

A method of measuring radio path quality values (SQ) in a digital mobile telephone network (PLMN) comprising at least one mobile station (MS). In the method, co-ordinates (XY) of a measuring point are determined and transmitted to the mobile telephone network (PLMN). A mobile test device (TS) measures the radio path quality values (SQ) from a downlink transmission path. The mobile telephone network (PLMN) measures the radio path quality values (SQ) from an uplink transmission path. According to the invention, the mobile test device (TS) sends the results from said measurements to the mobile telephone network (PLMN) essentially without delay. The mobile telephone network (PLMN) receives the measurement results (SQ) sent by the mobile test device (TS) and combines them with its own measurement results (SQ) and with the co-ordinates (XY) of the measuring point essentially without delay. The mobile telephone network (PLMN, OMC) has access to the combined measurement results (SQ, XY) as soon as possible, whereby the measurement results can be used for instance for controlling the location of the test device (TS).

A system for measuring electric field strength of radio waves transmitted from cell station and arriving at an arbitrary measuring location is provided that includes a tuner unit, cell station ID (CS-ID) demodulator unit, signal level (or electric field strength) detector (RSSI detector), memory unit, display unit, and controller (CPU). CS-ID codes included in radio waves from cell stations and transmitted to an arbitrary measuring location are detected by the demodulator unit, and electric field strength (RSSI) data of the received radio waves are detected by the RSSI detector. All sets of the CS-ID and RSSI data are stored at addresses in the memory unit corresponding to each of the measuring locations, and the stored sets of the CS-ID data and RSSI data are read from the memory unit and displayed on the display unit in association with information indicative of the measuring location.

A system and method are disclosed for determining a level of quality of a communications medium having an indeterminate delay. The communications medium communicatively couples a transmitting station and a receiving station. The transmitting station transmits over the communications medium a measurement sequence including a synchronization sequence followed by a measurement sample. The transmitted measurement sample has a predetermined beginning point, which is identified by the transmitted synchronization sequence. The receiving station receives over the communications medium the measurement sequence including the synchronization sequence followed by the measurement sample. The receiving station determines from the received synchronization sequence the beginning point of the received measurement sample. The transmitted measurement sample and the received measurement sample are then compared according to respective beginning points to determine the level of quality of the communications medium.