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    • 95. 发明专利
    • DE60132027T2
    • 2008-12-04
    • DE60132027
    • 2001-11-16
    • QUALCOMM INC
    • HOLTZMAN JACK MSARKAR SANDIPSAIFUDDIN AHMED
    • H04L1/00H04B7/005H04B7/26H04L1/16H04L1/18H04W52/22H04W52/28H04W52/48
    • The present invention relates to wireless voice and data communication systems. More particularly, the present invention relates to novel and improved methods and apparatus for transmitting data traffic on a communication channel. One such method comprises the steps of packaging a data payload into a plurality of subpackets; transmitting a first subpacket to a remote station; if the channel conditions are optimal, transmitting a remaining portion of the plurality of subpackets to the remote station; and if the channel conditions are not optimal within a predetermined time duration, then transmitting a remaining portion of the plurality of subpackets during unfavorable channel conditions. The apparatus may comprise means for packaging a data payload into a plurality of subpackets; means for transmitting a plurality of subpackets to a remote station; means for deciding, after the means for transmitting a plurality of subpackets has transmitted a first subpacket, whether: if the channel conditions are optimal, to transmit a remaining portion of the plurality of subpackets to the remote station; and if the channel conditions are not optimal within a predetermined time duration, then to transmit a remaining portion of the plurality of subpackets during unfavorable channel conditions. The information contained in this facsimile is confidential and is intended for the named addressee only. If the reader of the message is not the intended recipient, you must not copy, distribute or take any action in reliance on it. If you have received this facsimile in error, please notify us immediately and return the original to the sender by mail.
    • 96. 发明专利
    • DE69937643T2
    • 2008-10-30
    • DE69937643
    • 1999-08-17
    • QUALCOMM INC
    • LUNDBY STEIN ATIEDEMANN EDWARD GHOLTZMAN JACK MTERASAWA DAISUKE
    • H04B1/707H04B1/7097H04B7/005H04L27/26
    • A method for limiting peak transmit power in a CDMA communication system by transmitting a first communication signal having a first high transmit power region, and transmitting a second communication signal having a second high transmit power region. A first and a second communication signal are time offset to prevent the first and second high transmit power regions from occurring simultaneously. Time shifting only a portion of the first and second communication signals is also taught. The first and second communication signals can also include respective first and second low transmit power regions. The time offset can be selected to align one of the first and second high transmit power regions with one of the first and second low transmit power regions. The total transmit power signal can be determined and the time offset can be selected to minimize a peak level of the total transmit power signal. The communication signals are separated into a plurality of portions and portions of the first and second communication signals are time offset to re-order the sequence of transmission of the plurality of portions.