Constellation map mapping method and device

A mapping method and constellation diagram technology, applied in the field of constellation diagram mapping methods and devices, can solve problems such as uneven bit reliability and affecting link performance, and achieve the effects of solving link performance degradation, balancing reliability, and enhancing performance
CN101753256AActive Publication Date: 2010-06-23ZTE CORP
0 Cites 11 Cited by

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
ZTE CORP
Publication Date
2010-06-23

Smart Images

  • Figure 1
    Figure 1
  • Figure 2
    Figure 2
  • Figure 3
    Figure 3
Patent Text Reader

Abstract

The invention discloses a constellation map mapping method and a device. The method comprises the following steps: using a part of bits of a bit sequence to be mapped as a first bit sequence, mapping every m bits in the first bit sequence as a constellation point of a constellation map in a sequence from front to back, mapping the bit positioned in the first preset position onto the first preset bit of the corresponding constellation point for every m bits, mapping the bit positioned in the second preset position onto the second preset bit of the corresponding to constellation point (the reliability of the first preset bit is higher than that of the second preset bit), using the other part of bits of the bit sequence to be mapped as a second bit sequence, mapping every m bits in the second bit sequence as a constellation point of the constellation map in a sequence from front to back, mapping the bit positioned in the first preset position onto the second preset bit of the corresponding constellation point for every m bits, and mapping the bit positioned in the second preset position onto the first preset bit of the corresponding constellation point. The reliability of the code letter bits is furthest balanced.
Need to check novelty before this filing date? Find Prior Art

Description

technical field

[0001] The present invention relates to the communication field, in particular to a method and device for mapping a constellation map. Background technique

[0002] figure 1 shows the structure of a digital communication system such as figure 1 As shown, a digital communication system consists of a transmitter, a channel, and a receiver. The transmitter usually includes a source, a source coder, a channel coder, and a modulator, and the receiver usually includes a demodulator, channel decoder, etc. In the communication process between the transmitter and the receiver, the transmitter sends data to the receiver through the channel, and there is usually a noise source in the channel.

[0003] In a digital communication system, the channel coding link (including channel coding, modulation and demodulation, etc.) is a key part of the physical layer of the entire digital communication. The processing status of the channel coding link determines the effectiveness...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to View More