Abstract: A system, method and computer readable medium are provided for segmenting a cache that is shared by multiple processors. According to the method, a first segment of the cache is allocated to a first processor and a second segment of the cache is allocated to a second processor. An execution time of at least one task on the first processor is monitored. If the execution time of the at least one task is greater than an allowed execution time minus a predetermined margin, the size of the first segment of the cache that is allocated to the first processor is increased. In one preferred method, if the execution time of the at least one task is significantly less than the allowed execution time minus the predetermined margin, the size of the first segment of the cache that is allocated to the first processor is decreased.

Abstract: The invention relates to a system and method for use in wireless packet data mode communications for facilitating communications between one or more remote devices and a base target device. The invention provides a high priority access channel (406) that can be utilized by specifically enabled packet data capable remote units (102), to perform random access channel request from a base station (106) when there is overloading on the standard communication channel (404).

Abstract: A TDMA communication system (100) includes a plurality of subscriber units (107, 108) and has a sequentially numbered frame structure including first and second subslots used for transmissions by the subscriber units. The second subslot overlaps with an optimum time period (304, 318) for making a signal quality measurement of a neighbor cell. A fixed portion of the communication system communicates (402) a first control value to a first subscriber unit; and the first subscriber unit transmits (404) during the first subslot (326) in even-numbered frames (324) and during the second subslot (312) in odd-numbered frames (314), in response to the first control value, thereby allowing neighbor cell signal quality measurements during the optimum time period in alternate frames.

Abstract: Access noise in a spread spectrum communication system (100) is reduced by broadcasting a resource indicator message (116) from a base station (102) and is received by mobile stations (104) in the serving area (103) of the base station. The resource indicator message indicates which resources are supported (202) by the base station, as well as their present availability (204, 206, 208, 210). If a desired resource is not presently available (408), mobile stations will avoid requesting access to that resource (410). When the resource becomes available, access noise can be controlled by having mobile stations wait a randomly selected period of time (414).

Abstract: In time divisioned, multi-frequency communication air interfaces it is common for a control channel to be defined on a first frequency while traffic channels are carried on other frequencies. A mobile communication device maintains the automatic gain control (AGC) settings for a first frequency while engaged on a second frequency by adjusting the AGC of the first frequency to correspond with changes in the AGC setting for the second frequency before attempting to access the first frequency again. Since, in the communication system, the two signals are transmitted from the same point, the changes in signal level will typically be similar enough that the mobile communication device will not have to perform a new AGC determination when switching back to the first frequency.

Abstract: A multi-mode mobile communication device capable of communicating with more than one mobile communication system simultaneously has a timer (400) for arbitrating between transmit events of two communication systems. The mobile communication device assigns a priority to each of the two communication systems, and when a transmit event conflict arises, it is resolved in favor of the system having the higher priority. The timer includes a delta timer (426) for timing the duration of transmit events. If the mobile communication device is engaged in a transmit event in one system, and a transmit event arises in the second system, the mobile communication device checks the delta timer. If the timer is not zeroed, the mobile communication device then checks priority of the events, and transmits whichever event has priority.

Abstract: A percussive sound contains both harmonic and non-harmonic frequency spectral content. To reproduce a particular percussive sound, such as the sound of a drum or cymbal or hand clap, for example, the harmonic and non-harmonic content are determined empirically. Also, and tendency of the harmonic content to change over time, and the temporal aspects of attack, sustain, and decay are likewise determined empirically. These attributes are represented in the invention in a percussive sound file which includes a harmonic content profile (502), noise shape filter (504), Doppler shift profile (506), and a time wave shaping profile (508). The harmonic content profile is used by an FM generator (114) to generate a frequency modulated signal (116). The noise shape profile is used by a noise generator (134) to generate and shape the non-harmonic spectral content. While the sound is being generated, the Doppler shift profile is used to adjust the base frequency of the FM signal.

Abstract: A transceiver (107) operates in a TDMA communication system (100) with a primary server (102) and at least one other potential server (103). The transceiver (107) has defined transmit slots and defined receive slots for communication with the primary server. Mandatory transmit slots are identified from among the defined transmit slots according to a particular specification. The transceiver schedules signal quality measurements for the potential server based at least in part on the particular specification for identifying mandatory transmit slots (400).