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Bit allocation for encoding and decoding

A coding and bit technology, applied in the field of bit allocation, which can solve the problems of complex storage space calculation and heavy resources, etc.

Pending Publication Date: 2019-09-17
QUALCOMM INC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, these techniques may require large amounts of storage space and / or may be computationally complex or resource heavy

Method used

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  • Bit allocation for encoding and decoding
  • Bit allocation for encoding and decoding
  • Bit allocation for encoding and decoding

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Embodiment Construction

[0073] An encoder may include multiple channel instances (eg, encoding branches) each loaded with bits to be encoded. For example, information vectors (e.g., including information and non-information (e.g., redundant or frozen bits)) can be loaded or assigned to one or more channel instances of the encoder's channel (e.g., in Hadamard (Ada code) transformation before or after). Each channel instance may be associated with a reliability metric, which may relate to, for example, capacity, reliability, information rate, and the like. The reliability metric may indicate the likelihood that bits loaded into a given channel instance for transmission will be successfully decoded at the receiver. Therefore, to increase the probability of successful decoding, a proportional number of information bits in an information vector are loaded into channel instances associated with favorable (e.g., high) reliability metrics (e.g., at multiple stages of channel polarization After ), a proport...

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Abstract

Methods, systems, and devices for encoding and decoding are described. To encode a vector, an encoder allocates information bits of the vector to channel instances of a channel that are separated into groups. The groups may vary in size and allocation of the information bits is based on a base sequence of a given length. During decoding, a decoder assigns different bit types to channels instances by dividing a codeword into a plurality of groups and assigning bit types to channel instances of the plurality of groups using the base sequence.

Description

[0001] cross reference [0002] This patent application requires the International Patent Application No.PCT / CN2017 / 071363 filed by JIANG et al. on January 17, 2017, entitled "BIT ALLOCATIONFOR ENCODING AND DECODING", and JIANG et al. on January 9, 2017 Priority to U.S. Provisional Patent Application No. 62 / 444,368, entitled "BITALLOCATION FOR ENCODING AND DECODING," filed on , both of which are assigned to the assignee of the present application. technical field [0003] Certain aspects of the present disclosure relate generally to encoding by an encoder and / or decoding by a decoder, and more particularly to bit allocation for encoding and / or decoding. Background technique [0004] Wireless communication systems are widely deployed to provide various types of communication content such as voice, video, packet data, messaging, broadcast, and so on. These systems are capable of supporting communication with multiple users by sharing available system resources (eg, time, freq...

Claims

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Application Information

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IPC IPC(8): H03M13/00H03M13/37
CPCH04L1/0057H04L1/0056H04L1/0061H04L1/0059H04L1/0064H04L1/0041H04L1/0045H04L1/1607H04L1/1812H04L1/1819H04L1/0068H04L1/1867H04L1/1829H03M13/13H04L1/0009
Inventor 蒋靖G·萨奇斯杨阳S·库得卡尔J·B·索里阿加H·桑卡尔许昌龙魏超
Owner QUALCOMM INC
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