TRANSMITTAL OF HEARTBEAT SIGNAL AT A LOWER LEVEL THAN HEARTBEAT REQUEST
申请公布号:IL159262(D0)
申请号:IL20020159262
申请日期:2002.06.13
申请公布日期:2004.06.01
分类号:H04J11/00;H04B1/707;H04B7/005;H04B7/208;H04B7/216;H04B7/26;H04J3/00;H04L1/00;H04L1/16;H04L1/18;H04L7/06;H04L12/28;H04L25/14;H04L27/26;H04Q11/04;H04W28/04;H04W52/28;H04W52/50;H04W72/04;H04W74/04;H04W84/14
主分类号:H04J11/00
摘要:A communication system, such as a wireless CDMA system, detects markers with fewer errors by having filed units (55) transmit the markers at different power levels (e.g., 9dB for one marker and 11 dB for another marker). The difference in power levels of the markers allows the base station (110) to identify the request markers using alternative criteria with a low probability of error, where the alternative criteria may include comparing the markers to respective energy level thresholds, monitoring occupancy of time slots, occupancy of mutually exclusive code channels, or combinations thereof. For example, in one particular embodiment, a request marker, which is generally a high priority marker, is transmitted with higher power, which improves the probability of detection and reduces the probability of false detection of the request marker. A field unit transmits an indication requesting the assignment of traffic channels for data transmission. The indication is transmitted in assigned time slots and different indications are associated with different energy levels.
ADVERTISEMENT DISTRIBUTION/ERASURE SYSTEM AND PROGRAM
AUTOMATIC TELLER MACHINE AND ONLINE SYSTEM EQUIPPED WITH THE SAME
BUSINESS FORM PROCESSING SYSTEM
BETTING TICKET ISSUING DEVICE, BETTING TICKET ISSUING METHOD AND BETTING TICKET ISSUING PROGRAM
ATTENDANCE DATA COLLECTION SYSTEM
LIGHT EMITTING DIODE CHIP AND CHIP TYPE LIGHT EMITTING ELEMENT COMPRISING IT
LIGHT-EMITTING DEVICE AND ITS MANUFACTURING METHOD
POWER OUTPUT DEVICE OF HYBRID VEHICLE
LIGHT SOURCE DEVICE, AND PROJECTOR
FLUORESCENT LAMP, PACKAGING CONTAINER, AND LIGHTING FIXTURE
EXPLOSION-PROOF TYPE LAMINATED DISPLAY DEVICE
ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD FOR DRIVING THE SAME
ELECTRODE FOR MEASURING HYDROGEN PEROXIDE AND OXIDASE SUBSTRATE
FOOD PACKAGED IN EDIBLE CONTAINER
SEMICONDUCTOR DEVICE OR DISPLAY DEVICE OR DRIVING METHOD OF DISPLAY DEVICE
GLUING ASSISTANT FOR COVERING FOR TABLE-TENNIS RACKET, GLUING METHOD AND GLUE