Abstract
Techniques for performing codeword level scrambling for a MIMO transmission are described. A transmitter station may perform channel encoding for multiple data streams being sent simultaneously for a MIMO transmission. The channel encoding may include forward error correction (FEC) encoding and/or rate matching. The transmitter station may perform scrambling for the multiple data streams with different scrambling codes after the channel encoding. The transmitter station may also perform channel interleaving symbol mapping and spatial processing for the multiple data streams after the channel encoding. A receiver station may receive the MIMO transmission perform descrambling for the multiple data streams with the different scrambling codes and then perform channel decoding for the multiple data streams. The scrambling may allow the receiver station to isolate each data stream by performing the complementary descrambling and to obtain randomized interference from the remaining data stream(s) which may improve performance.
| Technology | Declaration Information | Specification Information | Explicitly Disclosed | Patent Type | |||||
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| Declaration Date | Declaration Reference | Declaring Company | Specification Information | ||||||
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| 5G | 10/12/2021 | ISLD-202112-088 | QUALCOMM INC | No | Family Member | ||||
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