Method for transmission of unicast control in broadcast/multicast transmission time intervals
First Claim
1. A method for a Node B to schedule a data transmission from a User Equipment (UE) wherein said scheduling occurs in a multicast/broadcast Transmission Time Interval (TTI), said method comprising:
- receiving a unicast control signaling by an user Equipment (UE);
multiplexing said unicast control signaling with multicast/broadcast data in said multicast/broadcast TTI;
dynamically transmitting, from said Node B said multicast/broadcast transmission time intervals (TTI) said unicast signaling comprising only unicast control signaling and unicast pilot signaling; and
dynamically transmitting from said UE unicast data signaling in a TTI in response to the reception of said unicast control signaling in said multicast/broadcast TTI.
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Accused Products
Abstract
Embodiments of the invention provide methods for maximizing the bandwidth utilization in the uplink of a communication system supporting time division multiplexing between unicast and multicast/broadcast communication modes during transmission time intervals in the downlink of a communication system. This is accomplished by multiplexing at least unicast control signaling for UL scheduling assignments in TTIs supporting the multicast/broadcast communication mode. Moreover, multiplexing of unicast control signaling can also be accomplished by splitting a symbol of the multicast/broadcast TTI into two shorter symbols with the first of these two shorter symbols carrying at least unicast control signaling and the second of these shorter symbols carrying multicast/broadcast signaling.
17 Citations
23 Claims
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1. A method for a Node B to schedule a data transmission from a User Equipment (UE) wherein said scheduling occurs in a multicast/broadcast Transmission Time Interval (TTI), said method comprising:
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receiving a unicast control signaling by an user Equipment (UE); multiplexing said unicast control signaling with multicast/broadcast data in said multicast/broadcast TTI; dynamically transmitting, from said Node B said multicast/broadcast transmission time intervals (TTI) said unicast signaling comprising only unicast control signaling and unicast pilot signaling; and dynamically transmitting from said UE unicast data signaling in a TTI in response to the reception of said unicast control signaling in said multicast/broadcast TTI. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for a Node B to schedule a data transmission from a User Equipment (UE) wherein said scheduling occurs in a broadcast/multicast Transmission Time Interval (TTI), said method comprising:
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partitioning the multicast/broadcast TTI in two consecutive sets of symbols with the first set of symbols is placed prior to the second set of symbols; dynamically transmitting, from said Node B, unicast signaling in said first set of symbols of said multicast/broadcast TTI, said unicast signaling comprising only unicast control signaling and unicast pilot signaling; dynamically transmitting, from said Node B, multicast/broadcast signaling in said second set of symbols of said multicast/broadcast TTI, said multicast/broadcast signaling comprising only multicast/broadcast data signaling and multicast/broadcast pilot signaling; and dynamically transmitting, from said UE, unicast data signaling in a TTI in response to the reception of said unicast control signaling in said broadcast/multicast TTI, wherein said unicast control signaling is transmitted with priority to multicast/broadcast signaling at the beginning of said multicast/broadcast TTI. - View Dependent Claims (11, 12, 13, 14, 15, 16)
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17. In a communication system supporting a unicast communication mode and a multicast/broadcast communication mode wherein unicast control transmission time intervals (TTIs) are multiplexed with multicast/broadcast data in multicast/broadcast TTIs through time division multiplexing, a method to perform signal transmissions during said multicast/broadcast transmission time intervals, said method comprising:
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receiving unicast signaling, by at least one UE; multiplexing said unicast control signaling with multicast/broadcast data in said multicast/broadcast TTI; dynamically transmitting, from said Node B in response to said receiving unicast control signaling, unicast signaling in said multicast/broadcast transmission time intervals (TTI) said unicast signaling comprising only unicast control signaling and unicast pilot signaling; and dynamically transmitting from said UE unicast data signaling in a TTI in response to the reception of said unicast control signaling in said broadcast/multicast TTI. - View Dependent Claims (18, 19, 20, 21, 22, 23)
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Specification