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AR# 35915

LogiCORE LTE UL Channel Decoder v2.0 - Release Notes/README for LogiCORE LTE UL Channel Decoder v2.0 rev1 Patch for core not accepting data while output FIFO is empty

Description

This Answer Record contains the Release Notes for the LTE UL Channel Decoder v2.0 patch which deals with the inability of the core to accept input data for a single block, wait for all results to be extracted before starting the next input block.

Solution


When presenting input data for a single block, waiting for all results to be extracted before starting the next input block, the core quickly stops accepting new blocks. The output status indicators indicate that the output FIFOs are empty, yet the core does not allow new data to be written.
For the core to accept input data, you need to install the patch described below:  
  1. Before you install this patch, ensure that you have the following installed on your machine:
    NOTE: If you need any of the service packs, libraries, or IP Updates, you can obtain them from the Download Center at:
    http://www.xilinx.com/xlnx/xil_sw_updates_home.jsp
    • ISE 12.1
  2. Download the LTE UL Channel Decoder v2.0 rev1 patch from: 
    http://www.xilinx.com/txpatches/pub/swhelp/coregen/ar35915_lte_ul_channel_decoder_v2_0_rev1.zip
  3. Extract  the "ar35915_lte_ul_channel_decoder_v2_0_rev1.zip" to a temporary directory to read the "ar35915_lte_ul_channel_decoder_v2_0_rev1_readme.txt" file for more information on whether to extract the ZIP file to the %XILINX% installation directory, or use the MYXILINX environmental variable. 

Patch Fixes
Issue: The core cannot accept any more input data even though the output FIFOs are empty.
Symptom: The core does not accept any more data. 
For a detailed list of LogiCORE LTE UL Channel Decoder Release Notes and Known Issues, see (Xilinx Answer 31422).

Linked Answer Records

Master Answer Records

Answer Number Answer Title Version Found Version Resolved
31422 LogiCORE LTE UL Channel Decoder - Release Notes and Known Issues N/A N/A

Associated Answer Records

Answer Number Answer Title Version Found Version Resolved
35914 LogiCORE LTE UL Channel Decoder v2.0 - Why does the core stop accepting data even when output FIFOs are empty? N/A N/A
AR# 35915
Date Created 07/08/2010
Last Updated 05/26/2014
Status Archive
Type Known Issues
IP
  • 3GPP LTE UL Channel Decoder