Abstract:
A base station ( 103 ) assigns a set of mobile stations ( 101 ) to a group wherein the group will share a set of radio resources ( 770 ). A control field ( 1103 ) may be sent with a payload field ( 1105 ) wherein the control field ( 1103 ) and payload field ( 1105 ) are sent using a single Orthogonal Variable Spreading Factor or a single Walsh Code ( 1101 ) wherein various modulation and coding schemes may be applied to the control field ( 1103 ) and payload field ( 1105 ) such that different modulation and coding schemes may be used within the single channel. HARQ is handled by sending a single retransmission if a NACK message is received or no ACK/NACK message is received at all.
Abstract:
Embodiments include methods and apparatus associated with wireless multicast and/or broadcast services. A base station (102, FIG. 1) transmits data codes (504, 604, 702, FIGS. 5-7) within a radio frame (300, FIG. 3). The data codes are Code Division Multiple Access (CDMA) data codes, in an embodiment. The base station also transmits a Time Division Multiplexed (TDM) synchronization code (502, 608, 706, FIGS. 5-7), in an embodiment. The base station discontinuously transmits (1004, FIG. 10) a portion of a radio frame slot that is coincident in time with a duration of the TDM synchronization code, in various embodiments. The discontinuously transmitted portion of the radio frame slot may include Transport Format Combination Indicator (TFCI) bits (510, FIG. 5), pilot bits (710, FIG. 7), or data bits (612, FIG. 6), in various embodiments. A base station's transmissions may be synchronous in time and frequency with the transmissions of other base stations.
Abstract:
Embodiments include methods and apparatus associated with wireless multicast and/or broadcast services A base station transmits data codes within a radio frame The data codes are Code Division Multiple Access (CDMA) data codes, in an embodiment The base station also transmits a Time Division Multiplexed (TDM) synchronization code, in an embodiment The base station discontinuously transmits a portion of a radio frame slot that is coincident in time with a duration of the TDM synchronization code, in various embodiments The discontinuously transmitted portion of the radio frame slot may include Transport Format Combination Indicator (TFCI) bits, pilot bits, or data bits, in various embodiments A base station's transmissions may be synchronous in time and frequency with the transmissions of other base stations
Abstract:
A base station (103) assigns a set of mobile stations (101) to a group wherein the group will share a set of radio resources (770). A control field (1103) may be sent with a payload field (1105) wherein the control field (1103) and payload field (1105) are sent using a single Orthogonal Variable Spreading Factor or a single Walsh Code (1101) wherein various modulation and coding schemes may be applied to the control field (1103) and payload field (1105) such that different modulation and coding schemes may be used within the single channel. HARQ is handled by sending a single retransmission if a NACK message is received or no ACK/NACK message is received at all.
Abstract:
Embodiments include methods and apparatus associated with wireless multicast and/or broadcast services. A base station (102) transmits data codes (504, 604, 702) within a radio frame (300). The data codes are Code Division Multiple Access (CDMA) data codes, in an embodiment. The base station also transmits a Time Division Multiplexed (TDM) synchronization code (502, 608, 706), in an embodiment. The base station discontinuously transmits (1004) a portion of a radio frame slot that is coincident in time with a duration of the TDM synchronization code, in various embodiments. The discontinuously transmitted portion of the radio frame slot may include Transport Format Combination Indicator (TFCI) bits (510), pilot bits (710), or data bits (612), in various embodiments. A base station's transmissions may be synchronous in time and frequency with the transmissions of other base stations.