Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band
The growing demand for high-speed data transfer and ultralow latency in wireless networks-on-chips (WiNoC) has spurred exploration into innovative communication paradigms. Recent advancements highlight the potential of the terahertz (THz) band, a largely untapped frequency range, for enabling ultraf...
Saved in:
| Main Authors: | , |
|---|---|
| Format: | Article |
| Language: | English |
| Published: |
MDPI AG
2025-01-01
|
| Series: | Micromachines |
| Subjects: | |
| Online Access: | https://www.mdpi.com/2072-666X/16/1/70 |
| Tags: |
Add Tag
No Tags, Be the first to tag this record!
|
| _version_ | 1832587916992315392 |
|---|---|
| author | Pankaj Singh Sung-Yoon Jung |
| author_facet | Pankaj Singh Sung-Yoon Jung |
| author_sort | Pankaj Singh |
| collection | DOAJ |
| description | The growing demand for high-speed data transfer and ultralow latency in wireless networks-on-chips (WiNoC) has spurred exploration into innovative communication paradigms. Recent advancements highlight the potential of the terahertz (THz) band, a largely untapped frequency range, for enabling ultrafast tera-bit-per-second links in chip multiprocessors. However, the ultrashort duration of THz pulses, often in the femtosecond range, makes synchronization a critical challenge, as even minor timing errors can cause significant data loss. This study introduces a preamble-aided noncoherent synchronization scheme for time-of-arrival (ToA) estimation in pulse-based WiNoC communication operating in the THz band (0.02–0.8 THz). The scheme transmits the preamble, a known sequence of THz pulses, at the beginning of each symbol, allowing the energy-detection receiver to collect and analyze the energy of the preamble across multiple integrators. The integrator with maximum energy output is then used to estimate the symbol’s ToA. A preamble design based on maximum pulse energy constraints is also presented. Performance evaluations demonstrate a synchronization probability exceeding <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>0.98</mn></mrow></semantics></math></inline-formula> for distances under 10 mm at a signal-to-noise ratio of 20 dB, with a normalized mean squared error below <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mn>10</mn><mrow><mo>−</mo><mn>2</mn></mrow></msup></semantics></math></inline-formula>. This scheme enhances synchronization reliability, supporting energy-efficient, high-performance WiNoCs for future multicore systems. |
| format | Article |
| id | doaj-art-52d47a9fe54544809f738b951661455f |
| institution | Kabale University |
| issn | 2072-666X |
| language | English |
| publishDate | 2025-01-01 |
| publisher | MDPI AG |
| record_format | Article |
| series | Micromachines |
| spelling | doaj-art-52d47a9fe54544809f738b951661455f2025-01-24T13:42:01ZengMDPI AGMicromachines2072-666X2025-01-011617010.3390/mi16010070Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz BandPankaj Singh0Sung-Yoon Jung1Department of Electronic Engineering, Yeungnam University, Gyeongsan 38541, Republic of KoreaDepartment of Electronic Engineering, Yeungnam University, Gyeongsan 38541, Republic of KoreaThe growing demand for high-speed data transfer and ultralow latency in wireless networks-on-chips (WiNoC) has spurred exploration into innovative communication paradigms. Recent advancements highlight the potential of the terahertz (THz) band, a largely untapped frequency range, for enabling ultrafast tera-bit-per-second links in chip multiprocessors. However, the ultrashort duration of THz pulses, often in the femtosecond range, makes synchronization a critical challenge, as even minor timing errors can cause significant data loss. This study introduces a preamble-aided noncoherent synchronization scheme for time-of-arrival (ToA) estimation in pulse-based WiNoC communication operating in the THz band (0.02–0.8 THz). The scheme transmits the preamble, a known sequence of THz pulses, at the beginning of each symbol, allowing the energy-detection receiver to collect and analyze the energy of the preamble across multiple integrators. The integrator with maximum energy output is then used to estimate the symbol’s ToA. A preamble design based on maximum pulse energy constraints is also presented. Performance evaluations demonstrate a synchronization probability exceeding <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><mrow><mn>0.98</mn></mrow></semantics></math></inline-formula> for distances under 10 mm at a signal-to-noise ratio of 20 dB, with a normalized mean squared error below <inline-formula><math xmlns="http://www.w3.org/1998/Math/MathML" display="inline"><semantics><msup><mn>10</mn><mrow><mo>−</mo><mn>2</mn></mrow></msup></semantics></math></inline-formula>. This scheme enhances synchronization reliability, supporting energy-efficient, high-performance WiNoCs for future multicore systems.https://www.mdpi.com/2072-666X/16/1/70THz channel modelingchip multiprocessorgrapheneiWISE architectureintra-chip wireless interconnectnoncoherent detection |
| spellingShingle | Pankaj Singh Sung-Yoon Jung Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band Micromachines THz channel modeling chip multiprocessor graphene iWISE architecture intra-chip wireless interconnect noncoherent detection |
| title | Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band |
| title_full | Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band |
| title_fullStr | Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band |
| title_full_unstemmed | Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band |
| title_short | Preamble Design and Noncoherent ToA Estimation for Pulse-Based Wireless Networks-on-Chip Communications in the Terahertz Band |
| title_sort | preamble design and noncoherent toa estimation for pulse based wireless networks on chip communications in the terahertz band |
| topic | THz channel modeling chip multiprocessor graphene iWISE architecture intra-chip wireless interconnect noncoherent detection |
| url | https://www.mdpi.com/2072-666X/16/1/70 |
| work_keys_str_mv | AT pankajsingh preambledesignandnoncoherenttoaestimationforpulsebasedwirelessnetworksonchipcommunicationsintheterahertzband AT sungyoonjung preambledesignandnoncoherenttoaestimationforpulsebasedwirelessnetworksonchipcommunicationsintheterahertzband |