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Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

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Re: Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

#5

Post by rektide »

if only there were some good flows for attaching sound input / outputs & input devices over wifi

there are some technical means. one could use usb-ip[1] to bridge peripherals, for example. but few rise to the status of "flows", good well paved paths.

[1] http://usbip.sourceforge.net/

Re: Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

#6

Post by tracerbulletx »

I just got a new router today to try the VR streaming from Desktop PC to my Quest 2 and it works flawlessly. Pretty exciting if it can do that it can probably do anything else. The part I don't know is what the energy use tradeoffs are. I know wifi6 is supposed to be lower energy cost?

Re: Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

#7

Post by jnurmine »

I hope not. For one thing, Bluetooth consumes less battery.

Also, when the topic of Bluetooth comes up, many people complain that they have Bluetooth issues. Sadly, some manufacturers do not care about interoperability. Maybe I'm just lucky but I don't even recall when I would've had issues with Bluetooth. I use several devices practically every day (car, headphones, speakers).

Re: Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

#8

Post by dinero_rojo »

jnurmine wrote: post #7

I hope not. For one thing, Bluetooth consumes less battery. Also, when the topic of Bluetooth comes up, many people complain that they have Bluetooth issues. Sadly, some manufacturers do not care about interoperability. Maybe I'm just lucky but I don't even recall when I would've had issues with Bluetooth. I use several devices practically every day (car, headphones, speakers).

At least read the abstract before commenting, man...

Re: Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

#9

Post by SV_BubbleTime »

callesgg wrote: post #4

I can see a reason to abandon BLE. Bluetooth is generally a bit problematic maybe due to is complexity. but “Bluetooth low energy” is perfect for what it is (a super slow short range wireless communication implementation).

The problem with BLE is they make huge Bluetooth standards but forget the things people will actually want.

Their first revision was 20-23 byte packets. The first thing anyone looks for when doing BLE is “how to send larger data”. BLE 4.2 and packet length extension helped this but it’s still pretty rough because you aren’t promised any specific MTU size by spec, just hope you can the packet size you need on connection.

I have a BLE product in the wild, but the amount of work I did to get around packet limitations was probably not worth it all said and done.

BLE is good for event based data transfer of flags and small data, but you outgrow that pretty damn quickly.

Re: Wi-LE: Can WiFi replace Bluetooth? (2019) [pdf]

#10

Post by jnurmine »

dinero_rojo wrote: post #8
jnurmine wrote: post #7

I hope not. For one thing, Bluetooth consumes less battery. Also, when the topic of Bluetooth comes up, many people complain that they have Bluetooth issues. Sadly, some manufacturers do not care about interoperability. Maybe I'm just lucky but I don't even recall when I would've had issues with Bluetooth. I use several devices practically every day (car, headphones, speakers).

At least read the abstract before commenting, man...

I did, man.

Table 1.

  Wi-Le Energy/packet: 84 uJ
  Wi-Le Idle current: 2.5 uA

  BLE Energy/packet: 71 uJ
  BLE Idle current: 1.1 uA
You can see this from Figure 4 as well.

So, like I wrote, Bluetooth consumes less battery.

In addition there are unsolved issues, which are likely to add to the overall consumption.

Edit: formatting

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