# \#collision **URL:** https://forums.digi.com/tag/collision/1211.md [Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md) --- ## [Deployed mesh network seems to be dropping messages](https://forums.digi.com/t/deployed-mesh-network-seems-to-be-dropping-messages/22925)
**Author:** [@Prolucid\_David](https://forums.digi.com/u/Prolucid_David)\ **Replies:** 2\ **Last updated:** [February 1, 2022, 4:10pm UTC](https://forums.digi.com/t/deployed-mesh-network-seems-to-be-dropping-messages/22925 "2022-02-01T16:10:05Z")
We are troubleshooting a deployed IoT application that is installed in a variety of sites like high-rises and closely clustered buildings. The IoT devices monitor values like temperature and publish this data through a m… --- ## [How CSMA/CA works on XBee?](https://forums.digi.com/t/how-csma-ca-works-on-xbee/16182)
**Author:** [@gizemneb](https://forums.digi.com/u/gizemneb)\ **Replies:** 1\ **Last updated:** [February 1, 2016, 4:30am UTC](https://forums.digi.com/t/how-csma-ca-works-on-xbee/16182 "2016-02-01T04:30:13Z")
I’m trying to implement S-MAC protocol on waspmote xbee sensors and i know it has its own CSMA/CA. So first of all I need to understand the basic of xBee collision avoidance. Two senders set up in api mode in libraries a… --- ## [Congestion with many XBee Pros in close proximity to each other](https://forums.digi.com/t/congestion-with-many-xbee-pros-in-close-proximity-to-each-other/16130)
**Author:** [@jbd](https://forums.digi.com/u/jbd)\ **Replies:** 1\ **Last updated:** [January 22, 2016, 8:49am UTC](https://forums.digi.com/t/congestion-with-many-xbee-pros-in-close-proximity-to-each-other/16130 "2016-01-22T08:49:55Z")
I’ve got about a 70 XBP24 (XBee Pro 802.15.4) units that I would like to deploy on some moving objects (think ATV’s and horses). They will be using the API to communicate to each other (this is many-to-many, but not usi… --- ## [Collision on coordinator when "End devices" sending simultaneously](https://forums.digi.com/t/collision-on-coordinator-when-end-devices-sending-simultaneously/15454)
**Author:** [@Rolland](https://forums.digi.com/u/Rolland)\ **Replies:** 2\ **Last updated:** [September 28, 2015, 1:58pm UTC](https://forums.digi.com/t/collision-on-coordinator-when-end-devices-sending-simultaneously/15454 "2015-09-28T13:58:13Z")
Dear, I’m a newbie, I’m using 10 items of S2C modules ( Mode API: ATAP=2), 1 coordinator, 1 router, and 8 end devices. The problem is when the “gateway (coordinator)” recieve data from more than one “End devices” at the… --- ## [Xbee collision](https://forums.digi.com/t/xbee-collision/13561)
**Author:** [@kabriolin](https://forums.digi.com/u/kabriolin)\ **Replies:** 4\ **Last updated:** [January 5, 2015, 8:45am UTC](https://forums.digi.com/t/xbee-collision/13561 "2015-01-05T08:45:44Z")
Hi, I’m currently facing a problem: I’ve 2 Xbee serie 1 connected to X-CTU, in API mode 1 with RN = 3. Each of them sent 1000 frames to the other with 100ms between each. So on the 2 sides, at the end, I should receiv… --- ## [how to configure XBEE to avoid the data collision](https://forums.digi.com/t/how-to-configure-xbee-to-avoid-the-data-collision/12686)
**Author:** [@saina110](https://forums.digi.com/u/saina110)\ **Replies:** 1\ **Last updated:** [March 24, 2014, 2:01pm UTC](https://forums.digi.com/t/how-to-configure-xbee-to-avoid-the-data-collision/12686 "2014-03-24T14:01:42Z")
Hello professors, I am using XBEE to achieve the data transformation. I plan to use two routers and one coordinator. Each router will send the relevant data to the coordinator in a required time. Previously, I configure…