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Permissible operating mode determination in a dual-mode radio
| Details |
Inventors: Haartsen, Jacobus;
Assignee: Telefonaktiebolaget LM Ericsson (publ) (Stockholm, SE)
Primary Examiner: Trost; William
Assistant Examiner: Rampuria; Sharad
Attorney, Agent or Firm: Burns, Doane, Swecker & Mathis, L.L.P.
It is determined whether a first kind of communication link, such as a high speed link, can be supported between a first unit and a second unit, wherein the first kind of communication link does not support a transmission range above a first maximum value. This is done by using a second kind of communication link, such as a low speed link, to determine a propagation loss value between the first unit and the second unit, wherein the second kind of communication link supports the transmission range above the first maximum value. Then, the propagation loss value is used to determine whether the first kind of communication link can be supported between the first unit and the second unit. The first and second units can be a master and slave in a piconet. Alternatively, they can both be slaves in a piconet. |
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DETAILED DESCRIPTION The various features of the invention will now be described with respect to the figures, in which like parts are identified with the same reference characters.
As used herein, the terms "master" and "slave" refer to electronic equipment, including portable radio communication equipment.
The term "portable radio communication equipment" includes all mobile radio terminal equipment such as mobile telephones, pagers, communicators (i.
e.
, electronic organizers, smartphones and the like).
The term "portable radio communication equipment" also refers to any other type of electronic equipment that includes radio communication equipment, such as PDAs and laptop computers equipped with BLUETOOTH.
TM.
-compliant communication equipment.
The various aspects of the invention will now be described in greater detail in connection with a number of exemplary embodiments.
To facilitate an understanding of the invention, many aspects of the invention are described in terms of sequences of actions to be performed by elements of a system.
It will be recognized that in each of the embodiments, the various actions could be performed by specialized circuits (e.
g.
, discrete logic gates interconnected to perform a specialized function), by program instructions being executed by one or more processors, or by a combination of both.
Moreover, the invention can additionally be considered to be embodied entirely within any form of computer readable storage medium having stored therein an appropriate set of computer instructions that would cause a processor to carry out the techniques described herein.
Thus, the various aspects of the invention may be embodied in many different forms, and all such forms are contemplated to be within the scope of the invention.
For each of the various aspects of the invention, any such form of embodiment may be referred to herein as "logic configured to" perform a described action, or alternatively as "logic that" performs a described action.
The invention enables a system to utilize dual-mode radios that can communicate either at high data rates covering only short distances, or at low data rates covering longer distances
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