The financial details of the deal was not disclosed by the company.
"Ericsson, Hewlett-Packard and Aruba Networks, an HP company, are joining forces to drive innovation in mobile networking," Ericsson said in a statement.
The two companies have also signed bilateral resale agreements, which allows Ericsson to offer Aruba's enterprise wi-fi and connectivity solutions along with its portfolio of mobility solutions and also let HP to resell Ericsson's indoor small cell solutions.
The Swedish telecom equipment maker also said that there is a growing need to maximise the benefits of licensed and unlicensed spectrum operating together in the enterprise.
"HP and Ericsson already have a successful track record working together. With the addition of Aruba Networks, HP has leap-frogged competitors, combining end-to-end enterprise solutions and global reach with innovation and market share," Ericsson Senior Vice President and Head of Business Unit Radio Arun Bansal said.