1. A semiconductor device comprising:
a sense amplifier;
a memory array having a plurality of DRAM memory cells, a plurality of word lines and a plurality of data lines;
a plurality of first drivers coupled to a plurality of first word lines, the plurality of first word lines being included in said plurality of word lines;
a plurality of second drivers coupled to a plurality of second word lines, the plurality of second word lines being included in said plurality of word lines;
a first line coupled to the plurality of first drivers and arranged to supply a first potential to the plurality of first drivers; and
a second line coupled to the plurality of second drivers and arranged to supply the first potential to the plurality of second drivers;
wherein said plurality of first drivers are formed on a first side of a substantially rectangular area where said memory array is formed,
wherein said plurality of second drivers are formed on a second side of said substantially rectangular area,
wherein said plurality of word lines cross a pair of data lines, said pair of data lines being two of said plurality of data lines which are coupled to said sense amplifier,
wherein first and second DRAM memory cells are located between said pair of data lines and coupled to said plurality of first word lines, the first and second DRAM memory cells being included in said plurality of DRAM memory cells,
wherein said first DRAM memory cells are coupled to one of said pair of data lines,
wherein said second DRAM memory cells are coupled to the other of said pair of data lines, and
wherein each of the plurality of memory cells is coupled to a corresponding one of the plurality of data lines via an oval contact.
2. The semiconductor device according to claim 1,
wherein the pair of data lines work as a pair for outputting information to said sense amplifier.
3. The semiconductor device according to claim 1,
wherein each of said plurality of DRAM memory cells has a transistor and a capacitor.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method for a mobile station in communication with a wireless telecommunications network, said method comprising:
said mobile station receiving at least one frequency listing from a base station in said wireless telecommunications network, said at least one frequency listing identifying a plurality of carrier frequencies;
said mobile station selecting a first carrier frequency in said plurality of carrier frequencies, for receiving messages from said base station; and
said mobile station selecting a second carrier frequency in said plurality of carrier frequencies, for transmitting messages to said base station, wherein said mobile station selects said second carrier frequency independently of said first carrier frequency.
2. The method of claim 1, further comprising:
said mobile station monitoring a paging channel at said first carrier frequency for messages from said base station.
3. The method of claim 1, further comprising:
said mobile station using an access channel at said second carrier frequency for transmitting a message to said base station.
4. The method of claim 1, wherein said mobile station selecting a first carrier frequency in said plurality of carrier frequencies comprises:
said mobile station selecting said first carrier frequency based on an identifier of said mobile station.
5. The method of claim 4, wherein said mobile station selecting said first carrier frequency based on an identifier of said mobile station comprises:
said mobile station applying a hashing algorithm to said identifier.
6. The method of claim 4, wherein said mobile station selecting a second carrier frequency in said plurality of carrier frequencies comprises:
said mobile station selecting said second carrier frequency based on said identifier of said mobile station.
7. The method of claim 6, wherein said mobile station selecting said second carrier frequency based on an identifier of said mobile station comprises:
said mobile station applying a hashing algorithm to said identifier.
8. The method of claim 4, wherein said identifier of said mobile station is a Mobile Directory Dumber (MDN), Mobile Identification Number (MIN), International Mobile Subscriber Identity (IMSI), or Electronic Serial Number (ESN).
9. The method of claim 1, wherein said at least one frequency listing identifies a first set of carrier frequencies in said plurality of carrier frequencies as being downlink carrier frequencies and identifies a second set of carrier frequencies in said plurality of carrier frequencies as being uplink carrier frequencies.
10. The method of claim 9, wherein said mobile station selecting a first carrier frequency in said plurality of carrier frequencies comprises said mobile station selecting said first carrier frequency from among said first set of carrier frequencies, and wherein said mobile station selecting a second carrier frequency in said plurality of carrier frequencies comprises said mobile station selecting said second carrier frequency from among said second set of carrier frequencies.
11. The method of claim 9, wherein said at least one frequency listing comprises:
a first frequency listing identifying said first set of carrier frequencies; and
a second frequency listing identifying said second set of carrier frequencies.
12. A method for a mobile station operating in a sector of a wireless telecommunications network, said method comprising:
before said mobile station begins transmitting to said sector, said mobile station receiving a frequency listing that identifies M downlink carrier frequencies and N uplink carrier frequencies available in said sector;
said mobile station selecting a downlink frequency from among said M available downlink frequencies; and
said mobile station selecting an uplink frequency from among said N available uplink frequencies, independently of said downlink frequency, wherein M and N are integers greater than one.
13. The method of claim 12, further comprising:
said mobile station using said downlink frequency to receive at least one communication from said sector.
14. The method of claim 12, further comprising:
said mobile station using said uplink frequency to transmit at least one communication to said sector.
15. The method of claim 12, wherein said mobile station selecting a downlink frequency from among said M available downlink frequencies comprises:
said mobile station using a downlink hashing algorithm to map an identifier of said mobile station to one of said M available downlink frequencies.
16. The method of claim 15, wherein said mobile station selecting an uplink frequency from among said N available uplink frequencies, independently of said downlink frequency, comprises:
said mobile station using an uplink hashing algorithm to map said identifier of said mobile station to one of said N available uplink frequencies.
17. The method of claim 12, wherein M is greater than N.
18. A mobile station, comprising:
a transceiver for transmitting and receiving communications; and
a controller, said controller being configured to:
(a) receive at least one frequency listing via said transceiver, said at least one frequency listing identifying a plurality of carrier frequencies;
(b) select a first carrier frequency in said plurality of carrier frequencies for receiving communications via said transceiver; and
(c) select a second carrier frequency in said plurality of carrier frequencies for transmitting communications via said transceiver, wherein said second carrier frequency is selected independently of said first carrier frequency.
19. The mobile station of claim 18, wherein said controller is configured to use at least one hashing algorithm to select said first and said second carrier frequencies based on an identifier of said mobile station.