Advancements in Wireless Personal Area Networks (WPANs)

 
July 2023
 
V. Kristem, et al
 
1
 
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks
Project: IEEE P802.15 Working Group for Wireless Personal Area Networks
(WPANs)
(WPANs)
 
Submission Title:
 
 
4ab Device(s) and feature sets
Date Submitted:
 
 
July, 2023
Source:
 
 
Vinod Kristem, Xiliang Luo, Alexander Krebs, 
Moche Cohen
 
(Apple), Riku Pirhonen, Frank
Leong, Wolfgang Kuchler, Pablo Corbalan Pelegrin (NXP), Mingyu Lee (Samsung), Chenchen Liu, Bin
Qian, Lei Huang, David Yang (Huawei), Billy Verso, Carl Murray, Jarek Niewczas (Qorvo), Carlos Aldana,
Kangjin Yoon, Claudio da Silva, Guoqing Li (Meta), Bin Tian, Pooria Pakrooh, Steve Shellhammer,
Koorosh Akhavan (Qualcomm), Tushar Patel (LitePoint), James Yee, Li Ma, Li-Hsiang Sun (MediaTek)
Address
: 
 
One Apple Park Way, Cupertino, CA 95104, USA
E-Mails
:
 
vkristem@apple.com
Abstract:
 
Further thoughts on defining the 4ab device(s)
Purpose:   
 
To advance the discussions on 4ab devices and help converge on the feature sets
Notice:
 
This document has been prepared to assist the IEEE P802.15.  It is offered as a basis for
discussion and is not binding on the contributing individual(s) or organization(s). The material in this
document is subject to change in form and content after further study. The contributor(s) reserve(s) the right
to add, amend or withdraw material contained herein.
Release:
 
The contributor acknowledges and accepts that this contribution becomes the property of IEEE
and may be made publicly available by P802.15.
 
doc.: 
15-23-0308-03-04ab
 
2
 
V. Kristem, et al
 
July 2023
 
doc.: 
15-23-0308-03-04ab
 
Introduction
 
Many new interesting features proposed in 4ab for enhanced ranging,
low latency data streaming, sensing, …
Large feature set, with 10’s of config. parameters per feature
Several 100’s of possible parameter sets!!!
 
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Very challenging and might not be meaningful
 
[1] proposed the idea of defining the 4ab devices
Features and the parameter sets to be defined per device category
Simplifies parameter set definition, inter-operability, and testing burden
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V. Kristem, et al
 
Slide 3
 
July 2023
 
doc.: 
15-23-0308-03-04ab
 
[1] 15-23-0177-00-04ab, “Some thoughts on 4ab device categories”, 
Vinod Kristem, Xiliang Luo, 
Moche Cohen (Apple)
 
4ab Devices
 
Good to define a minimal feature set common across the 4ab device(s)
4ab device(s) could be defined as enhancements of minimal feature set
Simplifies inter-operability between the 4ab device(s)
 
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V. Kristem, et al
 
Slide 4
 
July 2023
 
doc.: 
15-23-0308-03-04ab
 
Sensing features
 
Minimal 4ab feature set: Basic Building Block
 
V. Kristem, et al
 
Slide 5
 
July 2023
 
doc.: 
15-23-0308-03-04ab
 
62.4 Mbps with
4z HPRF PHR
 
Simple and effective features, without significant design changes to 4z
62.4 Mbps enhances low-latency data transfer
Simultaneously supporting 4z ranging
1.95 Mbps enables higher link budget for ranging and other uses
Improve the achieved range for in-band data on top of 4z
Provides co-existence with millions of existing 4z devices on the field
 
1.95 Mbps with
4z HPRF PHR
 
Mandatory Features
 
K = 7 BCC
 
HRP-ERDEV
 
Minimal 4ab feature set: Mandatory data rates
 
July 2023
 
V. Kristem, et al
 
Slide 6
 
doc.: 
15-23-0308-03-04ab
 
Additional mandatory data rates and encoding:
 
62.4 Mbps with
4z HPRF PHR
 
1.95 Mbps with
4z HPRF PHR
 
K = 7 BCC
 
HRP-ERDEV
 
Mandatory Features
 
Minimal 4ab feature set: packet configurations
 
July 2023
 
V. Kristem, et al
 
Slide 7
 
doc.: 
15-23-0308-03-04ab
 
62.4 Mbps with
4z HPRF PHR
 
1.95 Mbps with
4z HPRF PHR
 
K = 7 BCC
 
HRP-ERDEV
 
Mandatory Features
 
Mandatory packet types:
 
Way forward
 
 
We agree that the following minimal feature set is
mandatory in 4ab
1.
HRP-ERDEV
2.
1.95 Mbps with 4z HPRF PHR
3.
62.4 Mbps with 4z HPRF PHR
4.
K = 7 BCC
 
 
 
 
July 2023
 
V. Kristem, et al
 
Slide 8
 
doc.: 
15-23-0308-03-04ab
 
(Advanced) 4ab Device(s)
 
June 2023
 
V. Kristem, et al
 
Slide 9
 
doc.: 
15-23-0308-02-04ab
 
Minimal 4ab feature set
 
June 2023
 
V. Kristem, et al
 
Slide 10
 
doc.: 
15-23-0308-02-04ab
 
Additional mandatory data rates and encoding:
 
62.4 Mbps with
4z HPRF PHR
 
1.95 Mbps with
4z HPRF PHR
 
K = 7 BCC
 
HRP-ERDEV
 
Mandatory Features
 
Mandatory packet types:
 
ERPDEV
 
ERPDEV: Enhanced Ranging Plus Device
 
Advanced 4ab devices
 
V. Kristem, et al
 
Slide 11
 
June 2023
 
doc.: 
15-23-0308-02-04ab
 
ERPDEV : Enhanced Ranging Plus Device
ARDEV  : Advanced Ranging Device
LLDDEV
1
: Low Latency Data Device
SDEV   : Sensing Device
 
HRP-ARDEV
 
HRP-SDEV
 
HRP-LLDDEV
1
 
Mandated features
(TBD)
 
Note 1: 
LLDDEV name is yet to be agreed upon and subject to change
 
Mandatory Features
 
Dynamic PHR
 
Minimal 4ab
feature set
 
Minimal 4ab
feature set
 
MMS
(
NBA and/or UWB SHR
)
 
ERPDEV
 
ERPDEV
 
ERPDEV
 
Way forward on 4ab devices
 
We agree on defining three advanced 4ab devices
1.
Advanced ranging device (HRP-ARDEV) with the following mandatory
features
Minimal 4ab feature Set
MMS
Atleast one of 
NB O-QPSK and UWB SHR for initial sync
2.
Low latency data device (HRP-LLDDEV)
1 
with the following mandatory
features
Minimal 4ab feature Set
Dynamic PHR
3.
Sensing device (HRP-SDEV)
We agree that 
one
 advanced 4ab device shall be at least
one of HRP-ARDEV or HRP-LLDDEV
1
 or HRP-SDEV
 
 
 
 
 
June 2023
 
V. Kristem, et al
 
Slide 12
 
doc.: 
15-23-0308-02-04ab
 
Note 1: 
LLDDEV name is yet to be agreed upon and subject to change
 
Parameter sets for 4ab device(s)
 
July 2023
 
V. Kristem, et al
 
Slide 13
 
doc.: 
15-23-0308-03-04ab
 
July 2023
 
V. Kristem, et al
 
Slide 14
 
doc.: 
15-23-0308-03-04ab
 
Recommended parameter sets for ERPDEV
 
Operating parameter sets for legacy 4z data rates
Reuse tables 15-15 (BPRF) and 15-16 (HPRF) from IEEE 802.15.4z-2020 spec.
Operating parameter sets for additional 4ab data rates
Table from contribution 15-23-0307-00-04ab
 
 
 
 
 
July 2023
 
V. Kristem, et al
 
Slide 15
 
doc.: 
15-23-0308-03-04ab
 
Recommended parameter sets for ARDEV
 
 
 
 
 
 
 
 
 
 
 
ERPDEV Operating parameter sets (slide 14)
Operating parameter sets for MMS with NBA as anchor provided in
contribution 15-23-0315-01-04ab
Operating parameter sets for MMS with UWB SHR as anchor need more
discussion
 
 
 
 
HRP-ARDEV
 
Mandatory Features
 
MMS
(
NBA and/or UWB SHR
)
 
ERPDEV
 
July 2023
 
V. Kristem, et al
 
Slide 16
 
doc.: 
15-23-0308-03-04ab
 
Recommended parameter sets for LLDDEV
 
 
 
 
 
 
 
 
 
 
 
ERPDEV Operating parameter sets (slide 14)
Operating parameter sets for Dynamic PHR packet type need further
discussion
Option1 (Simplicity): Reuse the Sync, SFD, PSDU rate combinations defined in slide14
Option2 (Flexibility): All possible Sync, SFD, PSDU rate combinations
Option3: Define additional entries
 
 
 
 
HRP-LLDDEV
1
 
Dynamic PHR
 
Minimal 4ab
feature set
 
ERPDEV
 
Mandatory packet types:
PHR2
 
ERPDEV
 
Dynamic
PHR
 
Note 1: 
LLDDEV name is yet to be agreed upon and subject to change. One alternative is EMDEV (Enhanced Modulation Device)
 
Mandatory Features
 
LDPC
 
124.8 Mbps
 
Optional Features
Slide Note
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This document dated July 2023 discusses the definition and features of 4ab devices in the IEEE P802.15 Working Group for Wireless Personal Area Networks. It addresses safeguards for high throughput data use cases, interference mitigation techniques, coexistence improvement, device categories, enhanced ranging capabilities, improved link budget, additional channels, accuracy improvements, reduced complexity, and more.


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  1. July 2023 doc.: 15-23-0308-03-04ab Project: IEEE P802.15 Working Group for Wireless Personal Area Networks (WPANs) Submission Title: Date Submitted: Source: Leong, Wolfgang Kuchler, Pablo Corbalan Pelegrin (NXP), Mingyu Lee (Samsung), Chenchen Liu, Bin Qian, Lei Huang, David Yang (Huawei), Billy Verso, Carl Murray, Jarek Niewczas (Qorvo), Carlos Aldana, Kangjin Yoon, Claudio da Silva, Guoqing Li (Meta), Bin Tian, Pooria Pakrooh, Steve Shellhammer, Koorosh Akhavan (Qualcomm), Tushar Patel (LitePoint), James Yee, Li Ma, Li-Hsiang Sun (MediaTek) Address: One Apple Park Way, Cupertino, CA 95104, USA E-Mails: vkristem@apple.com Abstract: Further thoughts on defining the 4ab device(s) 4ab Device(s) and feature sets July, 2023 Vinod Kristem, Xiliang Luo, Alexander Krebs, Moche Cohen (Apple), Riku Pirhonen, Frank Purpose: To advance the discussions on 4ab devices and help converge on the feature sets Notice: discussion and is not binding on the contributing individual(s) or organization(s). The material in this document is subject to change in form and content after further study. The contributor(s) reserve(s) the right to add, amend or withdraw material contained herein. Release: The contributor acknowledges and accepts that this contribution becomes the property of IEEE and may be made publicly available by P802.15. This document has been prepared to assist the IEEE P802.15. It is offered as a basis for Submission 1 V. Kristem, et al

  2. July 2023 doc.: 15-23-0308-03-04ab PAR Objective Proposed Solution (how addressed) Safeguards so that the high throughput data use cases will not cause significant disruption to low duty-cycle ranging use cases Defines device categories Interference mitigation techniques to support higher density and higher traffic use cases Other coexistence improvement Defines device categories Defines device categories Backward compatibility with enhanced ranging capable devices (ERDEVs) Improved link budget and/or reduced air-time Defines device categories Defines device categories Additional channels and operating frequencies Defines device categories Improvements to accuracy / precision / reliability and interoperability for high-integrity ranging Reduced complexity and power consumption Defines device categories Defines device categories Hybrid operation with narrowband signaling to assist UWB Defines device categories Enhanced native discovery and connection setup mechanisms Defines device categories Sensing capabilities to support presence detection and environment mapping Low-power low-latency streaming Defines device categories Defines device categories Higher data-rate streaming allowing at least 50 Mbit/s of throughput Support for peer-to-peer, peer-to-multi-peer, and station-to- infrastructure protocols Infrastructure synchronization mechanisms Defines device categories Defines device categories Defines device categories Submission 2 V. Kristem, et al

  3. July 2023 doc.: 15-23-0308-03-04ab Introduction Many new interesting features proposed in 4ab for enhanced ranging, low latency data streaming, sensing, Large feature set, with 10 s of config. parameters per feature Several 100 s of possible parameter sets!!! Single 4ab device support all of them ? Very challenging and might not be meaningful [1] proposed the idea of defining the 4ab devices Features and the parameter sets to be defined per device category Simplifies parameter set definition, inter-operability, and testing burden Vendor can target for the specific 4ab device(s) of interest This contribution further develop the ideas by defining the minimal feature set for a 4ab device [1] 15-23-0177-00-04ab, Some thoughts on 4ab device categories , Vinod Kristem, Xiliang Luo, Moche Cohen (Apple) Submission Slide 3 V. Kristem, et al

  4. July 2023 doc.: 15-23-0308-03-04ab 4ab Devices Good to define a minimal feature set common across the 4ab device(s) 4ab device(s) could be defined as enhancements of minimal feature set Simplifies inter-operability between the 4ab device(s) One illustration of 4ab device(s) for ranging, low latency data and sensing Sensing Ranging Minimal feature set Sensing features Ranging features Low latency data features Low-latency Data Submission Slide 4 V. Kristem, et al

  5. July 2023 doc.: 15-23-0308-03-04ab Minimal 4ab feature set: Basic Building Block K = 7 BCC 1.95 Mbps with 4z HPRF PHR HRP-ERDEV 62.4 Mbps with 4z HPRF PHR Mandatory Features Simple and effective features, without significant design changes to 4z 62.4 Mbps enhances low-latency data transfer Simultaneously supporting 4z ranging 1.95 Mbps enables higher link budget for ranging and other uses Improve the achieved range for in-band data on top of 4z Provides co-existence with millions of existing 4z devices on the field Submission Slide 5 V. Kristem, et al

  6. July 2023 doc.: 15-23-0308-03-04ab Minimal 4ab feature set: Mandatory data rates K = 7 BCC 1.95 Mbps with 4z HPRF PHR HRP-ERDEV 62.4 Mbps with 4z HPRF PHR Mandatory Features Additional mandatory data rates and encoding: PSDU bit rate (Mb/s) PSDU encoding PHR bit rate (Mb/s) PHR encoding Comments K=7 BCC K=7 BCC 1.95 7.8 K=7 BCC K=7 BCC New in 4ab 1.95 (4ab) 7.8 (4z) Already defined in 4z. Uses K=7 BCC instead of RS & K=3 BCC defined for 6.8 and 27.2 Mb/s in 4z. New in 4ab K=7 BCC 31.2 K=7 BCC 31.2 (4z) K=7 BCC 62.4 K=7 BCC 62.4 (4ab) Submission Slide 6 V. Kristem, et al

  7. July 2023 doc.: 15-23-0308-03-04ab Minimal 4ab feature set: packet configurations K = 7 BCC 1.95 Mbps with 4z HPRF PHR HRP-ERDEV 62.4 Mbps with 4z HPRF PHR Mandatory Features Mandatory packet types: SYNC SFD PHR PHY Payload SYNC SFD STS PHR PHY Payload SYNC SFD STS Submission Slide 7 V. Kristem, et al

  8. July 2023 doc.: 15-23-0308-03-04ab Way forward We agree that the following minimal feature set is mandatory in 4ab 1. HRP-ERDEV 2. 1.95 Mbps with 4z HPRF PHR 3. 62.4 Mbps with 4z HPRF PHR 4. K = 7 BCC Submission Slide 8 V. Kristem, et al

  9. June 2023 doc.: 15-23-0308-02-04ab (Advanced) 4ab Device(s) Submission Slide 9 V. Kristem, et al

  10. June 2023 doc.: 15-23-0308-02-04ab Minimal 4ab feature set Additional mandatory data rates and encoding: K = 7 BCC PSDU bit rate (Mb/s) 1.95 (4ab) 7.8 (4z) 31.2 (4z) 62.4 (4ab) PSDU encoding PHR bit rate (Mb/s) PHR encoding 1.95 Mbps with 4z HPRF PHR K=7 BCC K=7 BCC K=7 BCC K=7 BCC 1.95 7.8 31.2 62.4 K=7 BCC K=7 BCC K=7 BCC K=7 BCC HRP-ERDEV 62.4 Mbps with 4z HPRF PHR ERPDEV Mandatory Features ERPDEV: Enhanced Ranging Plus Device Mandatory packet types: SYNC SFD PHR PHY Payload SYNC SFD STS PHR PHY Payload SYNC SFD STS Submission Slide 10 V. Kristem, et al

  11. June 2023 doc.: 15-23-0308-02-04ab Advanced 4ab devices HRP-ARDEV HRP-LLDDEV1 Minimal 4ab feature set Minimal 4ab feature set MMS (NBA and/or UWB SHR) Dynamic PHR ERPDEV ERPDEV HRP-SDEV Mandatory Features ERPDEV : Enhanced Ranging Plus Device ARDEV : Advanced Ranging Device LLDDEV1: Low Latency Data Device SDEV : Sensing Device Minimal 4ab feature set Mandated features (TBD) ERPDEV Note 1: LLDDEV name is yet to be agreed upon and subject to change Submission Slide 11 V. Kristem, et al

  12. June 2023 doc.: 15-23-0308-02-04ab Way forward on 4ab devices We agree on defining three advanced 4ab devices 1. Advanced ranging device (HRP-ARDEV) with the following mandatory features Minimal 4ab feature Set MMS Atleast one of NB O-QPSK and UWB SHR for initial sync 2. Low latency data device (HRP-LLDDEV)1 with the following mandatory features Minimal 4ab feature Set Dynamic PHR 3. Sensing device (HRP-SDEV) We agree that one advanced 4ab device shall be at least one of HRP-ARDEV or HRP-LLDDEV1 or HRP-SDEV Note 1: LLDDEV name is yet to be agreed upon and subject to change Submission Slide 12 V. Kristem, et al

  13. July 2023 doc.: 15-23-0308-03-04ab Parameter sets for 4ab device(s) Submission Slide 13 V. Kristem, et al

  14. July 2023 Recommended parameter sets for ERPDEV Operating parameter sets for legacy 4z data rates Reuse tables 15-15 (BPRF) and 15-16 (HPRF) from IEEE 802.15.4z-2020 spec. Operating parameter sets for additional 4ab data rates Table from contribution 15-23-0307-00-04ab doc.: 15-23-0308-03-04ab Sync PSR SFD# Table SFD length #STS segments STS Segment length (in 512 chips) Data Rate (Mb/s) STS Set # Comments Configuration 1 64 2 8 0 n/a For transmission and reception Config 0 (SHR, PHR, Data) 2 128 3 16 0 n/a For transmission only 1.95 3 64 2 8 1 64 For transmission and reception Config 1 (SHR, STS, PHR, Data) 4 128 3 16 1 128 For transmission only 5 32 2 8 0 n/a For transmission and reception Config 0 (SHR, PHR, Data) 6 64 2 8 0 n/a For transmission and reception 7.8 7 32 2 8 1 32 Config 1 For transmission and reception (SHR, STS, PHR, Data) 8 64 2 8 1 64 For transmission and reception Config 0 For transmission and reception (SHR, PHR, Data) 9 32 2 8 0 n/a 31.2 Config 1 (SHR, STS, PHR, Data) For transmission and reception 10 32 2 8 1 32 Config 0 11 32 1 4 0 n/a For transmission and reception (SHR, PHR, Data) 62.4 Config 1 12 32 1 4 1 32 (SHR, STS, PHR, Data) For transmission and reception Submission Slide 14 V. Kristem, et al

  15. July 2023 Recommended parameter sets for ARDEV doc.: 15-23-0308-03-04ab HRP-ARDEV Minimal 4ab feature set MMS (NBA and/or UWB SHR) ERPDEV Mandatory Features ERPDEV Operating parameter sets (slide 14) Operating parameter sets for MMS with NBA as anchor provided in contribution 15-23-0315-01-04ab Operating parameter sets for MMS with UWB SHR as anchor need more discussion Submission Slide 15 V. Kristem, et al

  16. July 2023 Recommended parameter sets for LLDDEV doc.: 15-23-0308-03-04ab Mandatory packet types: ERPDEV HRP-LLDDEV1 SYNC SFD PHR PHY Payload Dynamic PHR SYNC SFD STS PHR PHY Payload Minimal 4ab feature set SYNC SFD STS ERPDEV Dynamic PHR SYNC SFD PHR1 PHR2 PHY Payload 124.8 Mbps LDPC Mandatory Features Optional Features ERPDEV Operating parameter sets (slide 14) Operating parameter sets for Dynamic PHR packet type need further discussion Option1 (Simplicity): Reuse the Sync, SFD, PSDU rate combinations defined in slide14 Option2 (Flexibility): All possible Sync, SFD, PSDU rate combinations Option3: Define additional entries Note 1: LLDDEV name is yet to be agreed upon and subject to change. One alternative is EMDEV (Enhanced Modulation Device) Submission Slide 16 V. Kristem, et al

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