System and method for multi-user multiplexing
First Claim
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1. A relay node for operating in a wireless communication network including an access node, wherein the relay node is configured to communicate wirelessly with the access node, the relay node comprising:
- a processor configured to;
receive a first plurality of medium access control layer (MAC) packet data units (PDUs) from a plurality of user agents;
multiplex the first plurality of MAC PDUs to form a first MAC PDU;
transmit the first MAC PDU to the access node;
receive a second MAC PDU from the access node;
demultiplex the second MAC PDU into a second plurality of MAC PDUs;
transmit one or more of the second plurality of MAC PDUs to corresponding one or more of the plurality of user agents;
generate a single buffer status report (BSR) for multiple user agents based upon a total amount of data for uplink transmission; and
transmit the single BSR to the access node,wherein the processor is further configured to monitor only one radio network temporary identifier (RNTI) for a scheduling grant, and wherein the RNTI corresponds to the relay node.
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Abstract
A relay node is described herein, the relay node comprising a network connectivity device configured to receive a plurality of medium access control layer (MAC) packet data units (PDUs) from a plurality of user agents; a processor configured to multiplex the plurality of MAC PDUs to form a Super-MAC PDU; and wherein the network connectivity device is further configured to transmit the Super-MAC PDU to an access node.
158 Citations
29 Claims
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1. A relay node for operating in a wireless communication network including an access node, wherein the relay node is configured to communicate wirelessly with the access node, the relay node comprising:
a processor configured to; receive a first plurality of medium access control layer (MAC) packet data units (PDUs) from a plurality of user agents; multiplex the first plurality of MAC PDUs to form a first MAC PDU; transmit the first MAC PDU to the access node; receive a second MAC PDU from the access node; demultiplex the second MAC PDU into a second plurality of MAC PDUs; transmit one or more of the second plurality of MAC PDUs to corresponding one or more of the plurality of user agents; generate a single buffer status report (BSR) for multiple user agents based upon a total amount of data for uplink transmission; and transmit the single BSR to the access node, wherein the processor is further configured to monitor only one radio network temporary identifier (RNTI) for a scheduling grant, and wherein the RNTI corresponds to the relay node. - View Dependent Claims (2, 3, 4, 5, 6)
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7. A method implemented in a relay node, the method comprising:
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receiving a first plurality of medium access control layer (MAC) packet data units (PDUs) from a plurality of user agents; multiplexing the first plurality of MAC PDUs to form a first MAC PDU; transmitting the first MAC PDU to an access node; receiving a second MAC PDU from the access node; demultiplexing the second MAC PDU into a second plurality of MAC PDUs; transmitting one or more of the second plurality of MAC PDUs to corresponding one or more of the plurality of user agents; generating a single buffer status report (BSR) for multiple user agents based upon a total amount of data for uplink transmission; transmitting the single BSR to the access node; and receiving an indication of a grant on a physical control channel using one relay node identification ID (RNID). - View Dependent Claims (8, 9, 10, 11, 12, 13)
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14. An access node comprising:
a processor configured to; multiplex a first plurality of medium access control layer (MAC) packet data units (PDUs) into a first MAC PDU, wherein the first plurality of MAC PDUs are related to a plurality of user agents camped on a relay node; and demultiplex a second MAC PDU received from the relay node, the second MAC PDU comprising a second plurality of MAC PDUs related to the plurality of user agents camped on the relay node; and transmit a single physical downlink control channel (PDCCH) grant to the relay node, and not transmit PDCCH grants for the plurality of user agents camped on the relay node. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21)
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22. A method implemented in an access node, the method comprising:
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multiplexing a plurality of medium access control layer (MAC) packet data units (PDUs) into a first MAC PDU, wherein the plurality of MAC PDUs are related to a plurality of user agents; transmitting the first MAC PDU to a relay node; receiving a second MAC PDU from the relay node; and demultiplexing the second MAC PDU; and transmitting a single physical downlink control channel (PDCCH) grant to the relay node, and not transmitting PDCCH grants for the plurality of user agents camped on the relay node. - View Dependent Claims (23, 24, 25, 26, 27, 28, 29)
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Specification