Open AccessAchievable Rate Enhancement Based on Multi-Packet Indexing in Packet-Level Index Modulation
Author(s) -
Riku Yamabe,
Mikihiko Nishiara,
Osamu Takyu,
Koichi Adachi
Publication year - 2021
Publication title -
ieee access
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.587
H-Index - 127
ISSN - 2169-3536
DOI - 10.1109/access.2021.3128168
Subject(s) - aerospace , bioengineering , communication, networking and broadcast technologies , components, circuits, devices and systems , computing and processing , engineered materials, dielectrics and plasmas , engineering profession , fields, waves and electromagnetics , general topics for engineers , geoscience , nuclear engineering , photonics and electrooptics , power, energy and industry applications , robotics and control systems , signal processing and analysis , transportation
The low-power wide area (LPWA) limits the access duration defined by the duty cycle (DC) to avoid mutual interference among the systems. Packet-level index modulation (PLIM) uses the frequency channel and the transmission timing of a packet as an information-bearing index. LPWA with PLIM can increase the number of information bits without changing the wireless communication standards despite adherence to the DC limits. However, there is still a gap between the achievable rate and the channel capacity. Multi-packet indexing determines an information-bearing index based on multiple packets. Thus, it can exploit the channel more efficiently, which results in an increased achievable rate. This study derives a mathematical formula for the achievable rate of PLIM with multi-packet indexing and clarifies the rate enhancement brought by it.