Radio transceiver communicating in a plurality of frequency bands
View Patent ↗The present invention relates generally to computer devices utilizing removable radio frequency communication devices used for transmitting and receiving information and more particularly to an improved apparatus for connecting an appropriate antenna to the radio frequency communication device using an attenna cap, and to an improved method and apparatus for connecting a communication card device such as radio or modem to an appropriate antenna or telephone line.
1. A spread spectrum cellular phone with a first antenna and a second antenna, comprising:
radio circuitry configured to communicate in a particular cellular frequency band and in a second frequency band that is not the particular cellular frequency band, the radio circuitry supporting cellular phone communications and wireless local area network communications, the radio circuitry being operatively coupled to the first antenna and to the second antenna; and
a processor operatively coupled to the first antenna and the second antenna, the processor being configured to select at least one of the first antenna and the second antenna.
2. The cellular phone according to claim 1 ,
wherein the first antenna is adapted for use in the particular cellular frequency band, and
wherein the second antenna is adapted for use in the second frequency band.
3. The cellular phone according to claim 1 , wherein the first antenna and the second antenna provide spatial diversity.
4. The cellular phone according to claim 1 , wherein the first antenna and the second antenna provide polarization diversity.
5. The cellular phone according to claim 1 , wherein the first antenna and the second antenna provide antenna diversity.
6. The cellular phone according to claim 1 , comprising:
a switch operatively coupled to the first antenna and to the second antenna,
wherein the processor switches the switch to select at least one of the first antenna and the second antenna.
7. The cellular phone according to claim 1 , wherein radio circuitry is configured to perform frequency hopping.
8. The cellular phone according to claim 1 ,
wherein the radio circuitry communicates in the particular cellular frequency band over at least the first antenna, and
wherein the radio circuitry communicates in the second frequency band over at least the second antenna.
9. The cellular phone according to claim 1 , wherein the radio circuitry comprises one or more wireless local area network transceivers.
10. The cellular phone according to claim 9 , wherein the radio circuitry comprises one or more cellular phone transceivers.
11. A spread spectrum cellular phone with a first antenna and a second antenna, comprising:
radio circuitry configured to communicate in a first frequency band and in a second frequency band that is not the first frequency band, the first frequency band being a particular cellular frequency band, the second frequency band being a wireless local area network communications frequency band, the radio circuitry being operatively coupled to the first antenna and to the second antenna; and
a processor operatively coupled to the first antenna and the second antenna, the processor being configured to select at least one of the first antenna and the second antenna.
12. The cellular phone according to claim 11 ,
wherein the first antenna is adapted for use in the particular cellular frequency band, and
wherein the second antenna is adapted for use in the second frequency band.
13. The cellular phone according to claim 11 , wherein the first antenna and the second antenna provide spatial diversity.
14. The cellular phone according to claim 11 , wherein the first antenna and the second antenna provide polarization diversity.
15. The cellular phone according to claim 11 , wherein the first antenna and the second antenna provide antenna diversity.
16. The cellular phone according to claim 11 , comprising:
a switch operatively coupled to the first antenna and to the second antenna,
wherein the processor switches the switch to select at least one of the first antenna and the second antenna.
17. The cellular phone according to claim 11 , wherein radio circuitry is configured to perform frequency hopping.
18. The cellular phone according to claim 11 ,
wherein the radio circuitry communicates in the particular cellular frequency band over at least the first antenna, and
wherein the radio circuitry communicates in the second frequency band over at least the second antenna.
19. The cellular phone according to claim 11 , wherein the radio circuitry comprises one or more wireless local area network transceivers.
20. The cellular phone according to claim 19 , wherein the radio circuitry comprises one or more cellular phone transceivers.