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Methods assigning resources for dedicated scheduling requests using MAC messages and related wireless terminals and base stations

  • US 9,775,168 B2
  • Filed: 05/19/2015
  • Issued: 09/26/2017
  • Est. Priority Date: 05/19/2015
  • Status: Active Grant
First Claim
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1. A method of operating a base station of a radio access network (RAN), the method comprising:

  • transmitting a Medium Access Control (MAC) message from a node of the RAN to a wireless terminal, wherein the MAC message includes a Control Element (CE) defining a first assignment of resources for dedicated scheduling requests (D-SRs) available for the wireless terminal to transmit dedicated scheduling requests to the node, wherein the CE includes a code frequency domain index field with a code frequency domain index identifying one of a plurality of code frequency domain resources available for the wireless terminal to transmit dedicated scheduling requests and a first time domain index field with a first time domain index identifying one of a first plurality of time domain resources available for the wireless terminal to transmit dedicated scheduling requests; and

    after transmitting the MAC message, transmitting a Radio Resource Control (RRC) message from the node of the RAN to the wireless terminal, wherein the RRC message includes a second time domain index field larger than the first time domain index field with a second time domain index identifying one of a second plurality of time domain resources available for the wireless terminal to transmit dedicated scheduling requests, and wherein the first plurality of time domain resources is different than the second plurality of time domain resources.

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